BLITZDUCTOR XT – Protection Modules

Combined lightning current and surge arrester

Maximum discharge capacity for two-pole, three-pole or four-pole interfaces
Capable of carrying lightning currents up to 10 kA (10/350 µs)
Low voltage protection level, capable of protecting terminal equipment

With integrated LifeCheck monitoring

Arrester testing during operation
Detection of pre-damaged arresters
High signal availability thanks to preventive replacement of arresters

SPD consists of a protection module and a base part

Vibration and shock-tested for safe operation
All protection components integrated in the protection module
Two universal base parts with / without signal disconnection
Minimum space requirements, 4 single lines or 2 pairs over a width of 12 mm

Details

Two-part design with universal base part and application-specific protection module.

lorem ipsum — Two-part design with universal base part and application-specific protection module.

The module locking mechanism ensures that the module is vibration-proof and protected against polarity reversal.

All protection elements are integrated in the plug-in module and are monitored by means of LifeCheck.

EMC spring terminal (accessory) for permanent low-impedance shield contact.

BXT ML4 B 180

Space-savings four-pole lightning current arrester module with RFID LifeCheck feature for almost all applications. For use in connection with downstream Q surge arresters or combined lightning current and surge arresters with a lower or equal voltage level. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920310 BXT ML4 B 180

GTIN 4013364109124, Customs tariff No. (EU): 85363010, Gross weight: 31.60 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML4 B180 lightning current arrester module with LifeCheck
BLITZDUCTOR XT lightning current arrester module
SPD class type 1/P1
tested to EN 61643-21
and energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 180 V
Nominal current at 45 °C: 1.2 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 B 180
Part No.: 920310
or equivalent.

Certificates

Technical data

SPD class	H
Max. continuous operating voltage (d.c.) (U_C )	180 V
Nominal current at 45 °C (I_L )	1.2 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	0.4 ohm(s)
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	H
Nominal voltage (U_N )	180 V
Max. continuous operating voltage (d.c.) (U_C )	180 V
Max. continuous operating voltage (a.c.) (U_C )	127 V
Nominal current at 45 °C (I_L )	1.2 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 600 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 650 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	0.4 ohm(s)
Capacitance line-line (C)	≤ 16 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BE 5 – BE 180

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting four single lines sharing a common reference potential as well as unbalanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

7 Products

Part No. 920320 BXT ML4 BE 5

GTIN 4013364109032, Customs tariff No. (EU): 85363010, Gross weight: 31.00 g, PU: 1.00 pc(s)

Predecessor

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Additional information

CAD files

BLITZDUCTOR XT BE 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 5
Part No.: 920320
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	1.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 29 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 27 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 18 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 9 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	1.0 MHz
Capacitance line-line (C)	≤ 2.7 nF
Capacitance line-PG (C)	≤ 5.4 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920322 BXT ML4 BE 12

GTIN 4013364109049, Customs tariff No. (EU): 85363010, Gross weight: 30.70 g, PU: 1.00 pc(s)

Predecessor

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Additional information

CAD files

BLITZDUCTOR XT BE 12 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 15 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 12
Part No.: 920322
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	15 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	2.7 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	12 V
Max. continuous operating voltage (d.c.) (U_C )	15 V
Max. continuous operating voltage (a.c.) (U_C )	10.6 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 50 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 37 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 38 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 19 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	2.7 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 2.0 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920324 BXT ML4 BE 24

GTIN 4013364109056, Customs tariff No. (EU): 85363010, Gross weight: 45.00 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BE 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 24
Part No.: 920324
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	6.8 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 102 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 66 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 90 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 45 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	6.8 MHz
Capacitance line-line (C)	≤ 0.5 nF
Capacitance line-PG (C)	≤ 1.0 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920336 BXT ML4 BE 36

GTIN 4013364118539, Customs tariff No. (EU): 85363010, Gross weight: 47.50 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BE 36 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 45 V
Nominal current at 45 °C: 1.8 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 36
Part No.: 920336
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	45 V
Nominal current at 45 °C (I_L )	1.8 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	0.43 ohm(s)
Cut-off frequency line-PG (f_G )	3.8 MHz
Approvals	UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	36 V
Max. continuous operating voltage (d.c.) (U_C )	45 V
Max. continuous operating voltage (a.c.) (U_C )	31 V
Nominal current at 45 °C (I_L )	1.8 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 140 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 85 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 112 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 56 V
Series resistance per line	0.43 ohm(s)
Cut-off frequency line-PG (f_G )	3.8 MHz
Capacitance line-line (C)	≤ 0.8 nF
Capacitance line-PG (C)	≤ 1.6 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920325 BXT ML4 BE 48

GTIN 4013364109063, Customs tariff No. (EU): 85363010, Gross weight: 31.20 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BE 48 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 54 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 48
Part No.: 920325
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	54 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	8.7 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	54 V
Max. continuous operating voltage (a.c.) (U_C )	38.1 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 160 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 95 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 140 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 70 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	8.7 MHz
Capacitance line-line (C)	≤ 0.35 nF
Capacitance line-PG (C)	≤ 0.7 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920326 BXT ML4 BE 60

GTIN 4013364109070, Customs tariff No. (EU): 85363010, Gross weight: 31.00 g, PU: 1.00 pc(s)

Predecessor

Images

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CAD files

BLITZDUCTOR XT BE 60 combined arrester module with LifeCheck
BLITZDUCTOR SP surge arrester module
SPD class: type 2/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 70 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 60
Part No.: 920326
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	70 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	9.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	60 V
Max. continuous operating voltage (d.c.) (U_C )	70 V
Max. continuous operating voltage (a.c.) (U_C )	49.5 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 220 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 125 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 180 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 90 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	9.0 MHz
Capacitance line-line (C)	≤ 250 pF
Capacitance line-PG (C)	≤ 500 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920327 BXT ML4 BE 180

GTIN 4013364109087, Customs tariff No. (EU): 85363010, Gross weight: 31.30 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BE 180 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P2
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 180 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE 180
Part No.: 920327
or equivalent.

Certificates

Technical data

SPD class	L
Max. continuous operating voltage (d.c.) (U_C )	180 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	25.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	L
Nominal voltage (U_N )	180 V
Max. continuous operating voltage (d.c.) (U_C )	180 V
Max. continuous operating voltage (a.c.) (U_C )	127 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 520 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 300 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 500 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 250 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	25.0 MHz
Capacitance line-line (C)	≤ 120 pF
Capacitance line-PG (C)	≤ 240 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BD 5 – BD 180

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting two pairs of unearthed balanced interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

6 Products

Part No. 920340 BXT ML4 BD 5

GTIN 4013364108967, Customs tariff No. (EU): 85363010, Gross weight: 30.10 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BD 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 5
Part No.: 920340
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 25 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 9 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Capacitance line-line (C)	≤ 5.4 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920342 BXT ML4 BD 12

GTIN 4013364108974, Customs tariff No. (EU): 85363010, Gross weight: 30.30 g, PU: 1.00 pc(s)

Predecessor

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Additional information

CAD files

BLITZDUCTOR XT BD 12 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 15 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 12
Part No.: 920342
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	15 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	2.8 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	12 V
Max. continuous operating voltage (d.c.) (U_C )	15 V
Max. continuous operating voltage (a.c.) (U_C )	10.6 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 26 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 19 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	2.8 MHz
Capacitance line-line (C)	≤ 2.0 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920344 BXT ML4 BD 24

GTIN 4013364108981, Customs tariff No. (EU): 85363010, Gross weight: 45.30 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BD 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 24
Part No.: 920344
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	7.8 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 52 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	7.8 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920345 BXT ML4 BD 48

GTIN 4013364108998, Customs tariff No. (EU): 85363010, Gross weight: 30.50 g, PU: 1.00 pc(s)

Predecessor

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Additional information

CAD files

BLITZDUCTOR XT BD 48 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 54 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 48
Part No.: 920345
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	54 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	8.7 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	54 V
Max. continuous operating voltage (a.c.) (U_C )	38.1 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 80 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 70 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	8.7 MHz
Capacitance line-line (C)	≤ 0.7 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920346 BXT ML4 BD 60

GTIN 4013364109001, Customs tariff No. (EU): 85363010, Gross weight: 30.70 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BD 60 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 70 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 60
Part No.: 920346
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	70 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	11.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	60 V
Max. continuous operating voltage (d.c.) (U_C )	70 V
Max. continuous operating voltage (a.c.) (U_C )	49.5 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 110 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 90 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	11.0 MHz
Capacitance line-line (C)	≤ 500 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920347 BXT ML4 BD 180

GTIN 4013364109018, Customs tariff No. (EU): 85363010, Gross weight: 30.50 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BD 180 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 180 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD 180
Part No.: 920347
or equivalent.

Certificates

Technical data

SPD class	L
Max. continuous operating voltage (d.c.) (U_C )	180 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	25.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	L
Nominal voltage (U_N )	180 V
Max. continuous operating voltage (d.c.) (U_C )	180 V
Max. continuous operating voltage (a.c.) (U_C )	127 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 270 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 250 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	25.0 MHz
Capacitance line-line (C)	≤ 240 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BPD 24

Space-saving combined arrester module with RFID LifeCheck for protecting two pairs in 24 V d.c. systems. Can also be used for systems with earthed negative poles. Integrated PTC resistors allow to reliably reset the arrester after the system circuit has been affected by short-circuit currents up to 40 A.

1 Product

Part No. 920314 BXT ML4 BPD 24

GTIN 4013364261396, Customs tariff No. (EU): 85363010, Gross weight: 39.66 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BPD 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting two pairs in 24 V d.c. systems
Can also be used for systems with earthed negative pole
With integrated PTC resistors for overcurrent protection up to 40 A
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 70 °C: 0.1 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BPD 24
Part No.: 920314
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 70 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	typ. 10 ohm(s)
Cut-off frequency line-line (f_G )	4 MHz
Approvals	SIL

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 70 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 55 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 650 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	typ. 10 ohm(s)
Cut-off frequency line-line (f_G )	4 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 15 pF
Operating temperature range (T_U )	-40 °C ... +70 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL

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BXT ML4 BC 5 / 24

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting up to four unearthed single lines sharing a common reference potential. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

2 Products

Part No. 920350 BXT ML4 BC 5

GTIN 4013364109131, Customs tariff No. (EU): 85363010, Gross weight: 30.60 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BXT ML4 BC 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four unearthed single cores sharing a reference potential
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BC 5
Part No.: 920350
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 25 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 9 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Capacitance line-line (C)	≤ 5.4 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920354 BXT ML4 BC 24

GTIN 4013364109148, Customs tariff No. (EU): 85363010, Gross weight: 30.90 g, PU: 1.00 pc(s)

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Additional information

CAD files

BLITZDUCTOR XT BXT ML4 BC 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
for protecting four unearthed single cores sharing a reference potential
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BC 24
Part No.: 920354
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	5.7 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 55 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	5.7 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BE C 12 / 24

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting two pairs of balanced interfaces with diode protective circuit at the input, current loops (TTY) and optocoupler inputs. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

2 Products

Part No. 920362 BXT ML4 BE C 12

GTIN 4013364120587, Customs tariff No. (EU): 85363010, Gross weight: 31.20 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML4 BE C 12 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1, four-pole
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protection of balanced interfaces with
diode protection circuit at the input,
current loops and optocoupler inputs
With integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 15 V
Nominal current at 80 °C: 0.1 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE C 12
Part No.: 920362
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	15 V
Nominal current at 80 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	13.8 ohm(s)
Cut-off frequency line-PG (f_G )	0.85 MHz
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	12 V
Max. continuous operating voltage (d.c.) (U_C )	15 V
Max. continuous operating voltage (a.c.) (U_C )	10.6 V
Nominal current at 80 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 30 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 35 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 19 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 19 V
Series resistance per line	13.8 ohm(s)
Cut-off frequency line-PG (f_G )	0.85 MHz
Capacitance line-line (C)	≤ 3.2 nF
Capacitance line-PG (C)	≤ 3.2 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920364 BXT ML4 BE C 24

GTIN 4013364109155, Customs tariff No. (EU): 85363010, Gross weight: 31.70 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML4 BE C 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1, four-pole,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protection of balanced interfaces with
diode protection circuit at the input,
current loops and optocoupler inputs
With integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 80 °C: 0.1 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE C 24
Part No.: 920364
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 80 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	28.8 ohm(s)
Cut-off frequency line-PG (f_G )	1.7 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 80 °C (I_L )	0.1 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 52 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 66 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 45 V
Series resistance per line	28.8 ohm(s)
Cut-off frequency line-PG (f_G )	1.7 MHz
Capacitance line-line (C)	≤ 1.5 nF
Capacitance line-PG (C)	≤ 1.5 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BE HF 5

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting four single lines sharing a common reference potential as well as high-frequency transmissions without galvanic isolation. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920370 BXT ML4 BE HF 5

GTIN 4013364109117, Customs tariff No. (EU): 85363010, Gross weight: 31.00 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML4 BE HF 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 pairs
Suitable for high data rates
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE HF 5
Part No.: 920370
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	100.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 26 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 40 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 11 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 11 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	100.0 MHz
Capacitance line-line (C)	≤ 20 pF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BD HF 5 / 24

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting two pairs of unearthed high-frequency bus systems or two-wire video transmission systems. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

2 Products

Part No. 920371 BXT ML4 BD HF 5

GTIN 4013364109094, Customs tariff No. (EU): 85363010, Gross weight: 30.80 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML4 BD HF 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 pairs
Suitable for high data rates
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD HF 5
Part No.: 920371
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 25 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 11 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920375 BXT ML4 BD HF 24

GTIN 4013364109100, Customs tariff No. (EU): 85363010, Gross weight: 31.00 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML4 BD HF 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 pairs
Suitable for high data rates
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BD HF 24
Part No.: 920375
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 65 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 47 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML4 MY 110 / 250

Space-saving surge arrester module with RFID LifeCheck for protecting four lines of stranded signal interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

2 Products

Part No. 920388 BXT ML4 MY 110

GTIN 4013364137370, Customs tariff No. (EU): 85363010, Gross weight: 34.70 g, PU: 1.00 pc(s)

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BLITZDUCTOR XT BXT ML4 MY 110 combined arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2/P2,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 galvanically isolated balanced interfaces
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Nominal current at 80 °C: 3.0 A

Brand: DEHN
Type: BXT ML4 MY 110
Part No.: 920388
or equivalent.

Certificates

Technical data

SPD class	U
Max. continuous operating voltage (d.c.) line-line (U_C )	170 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	85 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	4.5 MHz
Approvals	SIL
*⁾For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	U
Nominal voltage (U_N )	110 V
Max. continuous operating voltage (d.c.) line-line (U_C )	170 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	85 V
Max. continuous operating voltage (a.c.) line-line (U_C )	120 V
Max. continuous operating voltage (a.c.) line-PG (U_C )	60 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	2.5 kA
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 300 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 700 V
Cut-off frequency line-line (f_G )	4.5 MHz
Capacitance line-line (C)	≤ 1.5 nF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
*⁾For more detailed information, please visit www.dehn-international.com.

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Part No. 920389 BXT ML4 MY 250

GTIN 4013364118447, Customs tariff No. (EU): 85363010, Gross weight: 36.70 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML4 MY 250 combined arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2/P3,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 galvanically isolated balanced interfaces
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Nominal current at 80 °C: 3.0 A

Brand: DEHN
Type: BXT ML4 MY 250
Part No.: 920389
or equivalent.

Certificates

Technical data

SPD class	V
Max. continuous operating voltage (d.c.) line-line (U_C )	620 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	320 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
Cut-off frequency line-line (f_G )	20.0 MHz
Approvals	SIL
*⁾For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	V
Nominal voltage (U_N )	250 V
Max. continuous operating voltage (d.c.) line-line (U_C )	620 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	320 V
Max. continuous operating voltage (a.c.) line-line (U_C )	500 V
Max. continuous operating voltage (a.c.) line-PG (U_C )	250 V
Nominal current at 80 °C (I_L )	3.0 A
Total lightning impulse current (10/350 µs)	1.2 kA
Lightning impulse current (10/350 µs) per line	0.3 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	10 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	2.5 kA
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 1100 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	20.0 MHz
Capacitance line-line (C)	≤ 300 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
*⁾For more detailed information, please visit www.dehn-international.com.

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BXT ML4 BE BD 24

Space-saving surge arrester module with RFID LifeCheck for protecting two single lines with common reference potential as well as unbalanced interfaces and one pair of unearthed balanced interfaces. LifeCheck detects thermal or electrical overload after which the arrester has to be replaced. The status is indicated contactlessly by DEHNrecord LC / MCM.

1 Product

Part No. 920334 BXT ML4 BE BD 24

GTIN 4013364152229, Customs tariff No. (EU): 85363010, Gross weight: 29.59 g, PU: 1.00 pc(s)

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CAD files

Combined arrester module with LifeCheck BLITZDUCTOR XT BXT ML4 BE BD 24
Protection module of SPD class Type 1 / P1 BLITZDUCTOR XT,
tested acc. to EN 61643-21 and energy-coordinated
acc. to IEC 61643-22 for protecting two single lines
with common reference potential as well as unbalanced
interfaces and one pair of unearthed
balanced interfaces. With integrated LifeCheck
for contactless checking of arrester. Pluggable
into base part BXT BAS / BSP BAS 4.
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML4 BE BD 24
Part No.: 920334
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line 1-line 2 at I_impD1 (U_P )	≤ 102 V
Voltage protection level line 1,2-PG at I_impD1 (U_P )	≤ 66 V
Voltage protection level line 3-line 4 at I_impD1 (U_P )	≤ 52 V
Voltage protection level line 3,4-PG at I_impD1 (U_P )	< 550 V
Voltage protection level line 1-line 2 at 1 kV/µs C3 (U_P )	≤ 90 V
Voltage protection level line 1,2-PG at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line 3-line 4 at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line 3,4-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance line 1, 2	1.8 ohm(s)
Series resistance line 3,4	1.0 ohm(s)
Cut-off frequency line 1,2 (f_G )	6.8 MHz
Cut-off frequency line 3,4 (f_G )	7.8 MHz
Capacitance line 1-line 2 (C)	≤ 0.5 pF
Capacitance line 1,2-PG / line 3-line 4 (C)	≤ 1.0 nF
Capacitance line 3,4-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21

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BXT ML2 BD 180

Space-saving combined arrester module with RFID LifeCheck for protecting 1 pair of unearthed symmetrical interfaces. If LifeCheck detects thermal and electrical overloads after which the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.

1 Product

Part No. 920247 BXT ML2 BD 180

GTIN 4013364116078, Customs tariff No. (EU): 85363010, Gross weight: 49.60 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML2 BD 180 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P2,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 180 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 5 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD 180
Part No.: 920247
or equivalent.

Certificates

Technical data

SPD class	L
Max. continuous operating voltage (d.c.) (U_C )	180 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	25.0 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	L
Nominal voltage (U_N )	180 V
Max. continuous operating voltage (d.c.) (U_C )	180 V
Max. continuous operating voltage (a.c.) (U_C )	127 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	5 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 270 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 250 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-line (f_G )	25.0 MHz
Capacitance line-line (C)	≤ 240 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 BD S 5 – BD S 48

Space-saving combined arrester module with RFID LifeCheck for protecting 1 pair of unearthed symmetrical interfaces, either direct or indirect shield earthing If LifeCheck detects thermal and electrical overloads after which the arrester has to be replaced. This status is indicated contactlessly by DEHNrecord LC / SCM / MCM.

4 Products

Part No. 920240 BXT ML2 BD S 5

GTIN 4013364118348, Customs tariff No. (EU): 85363010, Gross weight: 27.50 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML2 BD S 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD S 5
Part No.: 920240
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 25 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 9 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	1.0 MHz
Capacitance line-line (C)	≤ 5.4 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920242 BXT ML2 BD S 12

GTIN 4013364118362, Customs tariff No. (EU): 85363010, Gross weight: 27.60 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BD S 12 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 15 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD S 12
Part No.: 920242
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	15 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	2.8 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	12 V
Max. continuous operating voltage (d.c.) (U_C )	15 V
Max. continuous operating voltage (a.c.) (U_C )	10.6 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 26 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 19 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	2.8 MHz
Capacitance line-line (C)	≤ 2.0 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920244 BXT ML2 BD S 24

GTIN 4013364117792, Customs tariff No. (EU): 85363010, Gross weight: 27.80 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML2 BD S 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD S 24
Part No.: 920244
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	7.8 MHz
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 52 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 45 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	7.8 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920245 BXT ML2 BD S 48

GTIN 4013364118386, Customs tariff No. (EU): 85363010, Gross weight: 43.20 g, PU: 1.00 pc(s)

Predecessor

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Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BD S 48 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 54 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD S 48
Part No.: 920245
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	54 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	8.7 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	54 V
Max. continuous operating voltage (a.c.) (U_C )	38.1 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 80 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 70 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	8.7 MHz
Capacitance line-line (C)	≤ 0.7 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 BE S 5 – BE S 48

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting two single lines sharing a common reference potential as well as unbalanced interfaces, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

5 Products

Part No. 920220 BXT ML2 BE S 5

GTIN 4013364118331, Customs tariff No. (EU): 85363010, Gross weight: 43.40 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT BXT ML2 BE S 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE S 5
Part No.: 920220
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	1.0 MHz
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 29 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 27 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 18 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 9 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	1.0 MHz
Capacitance line-line (C)	≤ 2.7 nF
Capacitance line-PG (C)	≤ 5.4 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920222 BXT ML2 BE S 12

GTIN 4013364118355, Customs tariff No. (EU): 85363010, Gross weight: 27.90 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BE S 12 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 15 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE S 12
Part No.: 920222
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	15 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	2.7 MHz
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	12 V
Max. continuous operating voltage (d.c.) (U_C )	15 V
Max. continuous operating voltage (a.c.) (U_C )	10.6 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 50 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 37 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 38 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 19 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	2.7 MHz
Capacitance line-line (C)	≤ 1.0 nF
Capacitance line-PG (C)	≤ 2.0 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920224 BXT ML2 BE S 24

GTIN 4013364117785, Customs tariff No. (EU): 85363010, Gross weight: 44.00 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BE S 24 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 33 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE S 24
Part No.: 920224
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	33 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	6.8 MHz
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	33 V
Max. continuous operating voltage (a.c.) (U_C )	23.3 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 102 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 66 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 90 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 45 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	6.8 MHz
Capacitance line-line (C)	≤ 0.5 nF
Capacitance line-PG (C)	≤ 1.0 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920226 BXT ML2 BE S 36

GTIN 4013364142121, Customs tariff No. (EU): 85363010, Gross weight: 30.10 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BE S 36 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 45 V
Nominal current at 45 °C: 1.8 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE S 36
Part No.: 920226
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	45 V
Nominal current at 45 °C (I_L )	1.8 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	0.43 ohm(s)
Cut-off frequency line-PG (f_G )	3.8 MHz
Approvals	UL 497B, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	36 V
Max. continuous operating voltage (d.c.) (U_C )	45 V
Max. continuous operating voltage (a.c.) (U_C )	31 V
Nominal current at 45 °C (I_L )	1.8 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 140 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 85 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 112 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 56 V
Series resistance per line	0.43 ohm(s)
Cut-off frequency line-PG (f_G )	3.8 MHz
Capacitance line-line (C)	≤ 0.8 nF
Capacitance line-PG (C)	≤ 1.6 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	UL 497B, SIL
SIL classification	up to SIL3 *⁾
*⁾ For more detailed information, please visit www.dehn-international.com.

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Part No. 920225 BXT ML2 BE S 48

GTIN 4013364118379, Customs tariff No. (EU): 85363010, Gross weight: 27.60 g, PU: 1.00 pc(s)

Predecessor

Images

Additional information

CAD files

BLITZDUCTOR XT BXT ML2 BE S 48 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 54 V
Nominal current at 45 °C: 0.75 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE S 48
Part No.: 920225
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	54 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	8.7 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	54 V
Max. continuous operating voltage (a.c.) (U_C )	38.1 V
Nominal current at 45 °C (I_L )	0.75 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 160 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 95 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 140 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 70 V
Series resistance per line	1.8 ohm(s)
Cut-off frequency line-PG (f_G )	8.7 MHz
Capacitance line-line (C)	≤ 0.35 nF
Capacitance line-PG (C)	≤ 0.7 nF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 BE HFS 5

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting one pair of high-frequency transmissions without galvanic isolation, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920270 BXT ML2 BE HFS 5

GTIN 4013364117549, Customs tariff No. (EU): 85363010, Gross weight: 28.60 g, PU: 1.00 pc(s)

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BLITZDUCTOR XT BXT ML2 BE HFS 5 comb. arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BE HFS 5
Part No.: 920270
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	100.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 26 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 40 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 11 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 11 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-PG (f_G )	100.0 MHz
Capacitance line-line (C)	≤ 20 pF
Capacitance line-PG (C)	≤ 30 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 BD HFS 5

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting one pair of unearthed high-frequency bus systems or video transmission systems, with direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920271 BXT ML2 BD HFS 5

GTIN 4013364117556, Customs tariff No. (EU): 85363010, Gross weight: 28.60 g, PU: 1.00 pc(s)

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BLITZDUCTOR XT BXT ML2 BD HFS 5 combined arrester module with LifeCheck
BLITZDUCTOR XT combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair
Suitable for hor high data rates, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 6.0 V
Nominal current at 45 °C: 1.0 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD HFS 5
Part No.: 920271
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	5 V
Max. continuous operating voltage (d.c.) (U_C )	6.0 V
Max. continuous operating voltage (a.c.) (U_C )	4.2 V
Nominal current at 45 °C (I_L )	1.0 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 25 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 11 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	1.0 ohm(s)
Cut-off frequency line-line (f_G )	100.0 MHz
Capacitance line-line (C)	≤ 25 pF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, UL 497B, ATEX, IECEx, CCC, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 B 180

Space-saving two-pole lightning current arrester module with RFID LifeCheck and shield earthing for almost all applications. For use in conjunction with downstream Q surge arresters or combined lightning current and surge arresters with a lower or equal voltage level. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920211 BXT ML2 B 180

GTIN 4013364120570, Customs tariff No. (EU): 85363010, Gross weight: 30.40 g, PU: 1.00 pc(s)

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BLITZDUCTOR XT BXT ML2 B 180 lightning current arrester module with LifeCheck
BLITZDUCTOR XT lightning current arrester module
SPD class: type 1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 single cores
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 180 V
Nominal current at 45 °C: 1.2 A
D1 Total lightning impulse current (10/350 µs): 10 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 B 180
Part No.: 920211
or equivalent.

Certificates

Technical data

SPD class	H
Max. continuous operating voltage (d.c.) (U_C )	180 V
Nominal current at 45 °C (I_L )	1.2 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	0.4 ohm(s)
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	H
Nominal voltage (U_N )	180 V
Max. continuous operating voltage (d.c.) (U_C )	180 V
Max. continuous operating voltage (a.c.) (U_C )	127 V
Nominal current at 45 °C (I_L )	1.2 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	10 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 600 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 650 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	0.4 ohm(s)
Capacitance line-line (C)	≤ 16 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	CSA, ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 BD DL S 15

Space-saving combined lightning current and surge arrester module with RFID LifeCheck for protecting one pair of unearthed balanced interfaces, which specifically fulfils the requirements of Dupline buses, direct or indirect shield earthing. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920243 BXT ML2 BD DL S 15

GTIN 4013364126732, Customs tariff No. (EU): 85363010, Gross weight: 28.30 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BXT ML2 BD DL S 15 combind arrester module with LifeCheck
Combined arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 pair of balanced interfaces
Ideally suited for Dupline busses, direct or indirect shield earthing
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Max. continuous operating voltage (d.c.): 17 V
Nominal current at 70 °C: 0.4 A
D1 Total lightning impulse current (10/350 µs): 9 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT ML2 BD DL S 15
Part No.: 920243
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	17 V
Nominal current at 70 °C (I_L )	0.4 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	2.2 ohm(s)
Cut-off frequency line-line (f_G )	2.7 MHz
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	M
Nominal voltage (U_N )	15 V
Max. continuous operating voltage (d.c.) (U_C )	17 V
Max. continuous operating voltage (a.c.) (U_C )	12 V
Nominal current at 70 °C (I_L )	0.4 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	9 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 30 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 550 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 24 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 550 V
Series resistance per line	2.2 ohm(s)
Cut-off frequency line-line (f_G )	2.7 MHz
Capacitance line-line (C)	≤ 1.9 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	ATEX, IECEx, CSA & USA Hazloc, SIL
SIL classification	up to SIL3 *⁾
ATEX approvals	DEKRA 11ATEX0089 X: II 3 G Ex nA IIC T4 Gc
IECEx approvals	DEK 11.0032X: Ex nA IIC T4 Gc
CSA & USA Hazloc approvals (1)	2516389: Class I Div. 2 GP A, B, C, D T4
CSA & USA Hazloc approvals (2)	2516389: Class I Zone 2, AEx nA IIC T4
China Compulsory Certification	CCC No. 2021312304001155
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 MY 250

Space-saving surge arrester module with RFID LifeCheck for protecting two lines of stranded signal interfaces up to 250 V a.c. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920289 BXT ML2 MY 250

GTIN 4013364135840, Customs tariff No. (EU): 85363010, Gross weight: 29.20 g, PU: 1.00 pc(s)

Predecessor

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CAD files

BLITZDUCTOR XT ML2 MY 250 surge arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2/P3,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 1 galvanically isolated balanced interface
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Nominal current at 80 °C: 3.0 A

Brand: DEHN
Type: BXT ML2 MY 250
Part No.: 920289
or equivalent.

Certificates

Technical data

SPD class	V
Max. continuous operating voltage (d.c.) line-line (U_C )	620 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	320 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	5 kA
Cut-off frequency line-line (f_G )	20.0 MHz
Approvals	SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	V
Nominal voltage (U_N )	250 V
Max. continuous operating voltage (d.c.) line-line (U_C )	620 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	320 V
Max. continuous operating voltage (a.c.) line-line (U_C )	500 V
Max. continuous operating voltage (a.c.) line-PG (U_C )	250 V
Nominal current at 80 °C (I_L )	3.0 A
Total lightning impulse current (10/350 µs)	0.6 kA
Lightning impulse current (10/350 µs) per line	0.3 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	5 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	2.5 kA
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 1100 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 1200 V
Cut-off frequency line-line (f_G )	20.0 MHz
Capacitance line-line (C)	≤ 300 pF
Capacitance line-PG (C)	≤ 16 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT ML2 MY E 110

Space-saving surge arrester module with RFID LifeCheck for protecting two pairs of stranded signal interfaces. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.

1 Product

Part No. 920288 BXT ML2 MY E 110

GTIN 4013364137363, Customs tariff No. (EU): 85363010, Gross weight: 31.60 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT ML2 MY E surge arrester module with LifeCheck
BLITZDUCTOR XT surge arrester module
SPD class: type 2/P2,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting 2 galvanically isolated balanced interfaces
Integrated LifeCheck for contactless arrester testing
Can be plugged into BXT BAS / BSP BAS 4 base parts
Nominal current at 80 °C: 3.0 A

Brand: DEHN
Type: BXT ML2 MY E 110
Part No.: 920288
or equivalent.

Certificates

Technical data

SPD class	U
Max. continuous operating voltage (d.c.) line-line (U_C )	170 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	85 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	5 kA
Series resistance per line	0 ohm(s)
Cut-off frequency line-line (f_G )	4.5 MHz
Approvals	SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD monitoring system	LifeCheck
SPD class	U
Nominal voltage (U_N )	110 V
Max. continuous operating voltage (d.c.) line-line (U_C )	170 V
Max. continuous operating voltage (d.c.) line-PG (U_C )	85 V
Max. continuous operating voltage (a.c.) line-line (U_C )	120 V
Max. continuous operating voltage (a.c.) line-PG (U_C )	60 V
Nominal current at 80 °C (I_L )	3.0 A
C2 Total nominal discharge current (8/20 µs) (I_n )	5 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	2.5 kA
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 300 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 700 V
Series resistance per line	0 ohm(s)
Cut-off frequency line-line (f_G )	4.5 MHz
Capacitance line-line (C)	≤ 1.5 nF
Capacitance line-PG (C)	≤ 25 pF
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into	BXT BAS / BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
*⁾ For more detailed information, please visit www.dehn-international.com.

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BXT M2 BD HC5A 24

Space-saving combined lightning current and surge arrester module for protecting 1 pair of unearthed balanced interfaces. The module is adapted to interfaces with direct currents up to 5 A, e.g. for controlling motor-driven actuators with high starting and operating currents.

1 Product

Part No. 920296 BXT M2 BD HC5A 24

GTIN 4013364340015, Customs tariff No. (EU): 85363010, Gross weight: 28.00 g, PU: 1.00 pc(s)

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CAD files

BLITZDUCTOR XT BXT M2 BD HC5A 25 combined arrester module
BLITZDUCTOR XT combined surge arrester module
SPD class: type 1/P1,
tested acc. to EN 61643-21 and
energy-coordinated acc. to IEC 61643-22
For protecting one pair
Can be plugged into the BXT BAS / BSP BAS 4 base part
Max. continuous operating voltage (d.c.): 36 V
Nominal current: 5 A
D1 Total lightning impulse current (10/350 µs): 5 kA
D1 Lightning impulse current (10/350 µs) per line: 2.5 kA

Brand: DEHN
Type: BXT M2 BD HC5A 24
Part No.: 920296
or equivalent.

Certificates

Technical data

SPD class	M
Max. continuous operating voltage (d.c.) (U_C )	36 V
Nominal current (I_L )	5 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
Series resistance per line	0 ohm(s)
Cut-off frequency line-line (f_G )	1.56 MHz
Approvals	SIL
*⁾ For more detailed information, please visit www.dehn-international.com.

SPD class	M
Nominal voltage (U_N )	24 V
Max. continuous operating voltage (d.c.) (U_C )	36 V
Max. continuous operating voltage (a.c.) (U_C )	25.5 V
Nominal current (I_L )	5 A
D1 Total lightning impulse current (10/350 µs) (I_imp )	5 kA
D1 Lightning impulse current (10/350 µs) per line (I_imp )	2.5 kA
C2 Total nominal discharge current (8/20 µs) (I_n )	20 kA
C2 Nominal discharge current (8/20 µs) per line (I_n )	10 kA
Voltage protection level line-line for I_impD1 (U_P )	≤ 240 V
Voltage protection level line-PG for I_impD1 (U_P )	≤ 650 V
Voltage protection level line-line at 1 kV/µs C3 (U_P )	≤ 150 V
Voltage protection level line-PG at 1 kV/µs C3 (U_P )	≤ 600 V
Series resistance per line	0 ohm(s)
Cut-off frequency line-line (f_G )	1.56 MHz
Operating temperature range (T_U )	-40 °C ... +80 °C
Degree of protection (with plugged-in protection module)	IP 20
Pluggable into (up to I_L = 3 A)	BXT BAS base part
Pluggable into (up to I_L = 5 A)	BSP BAS 4 base part
Earthing via	BXT BAS / BSP BAS 4 base part
Enclosure material	polyamide PA 6.6
Colour	yellow
Test standards	IEC 61643-21 / EN 61643-21
Approvals	SIL
SIL classification	up to SIL3 *⁾
Extended technical data:	---------------------------------
– Max. discharge current (8/20 µs) [1/2 - PG], [1+2 - PG] (I_max )	20 kA
– Voltage protection level core-PG at 1 kV/µs C3 after being stressed with Imax (U_P )	< 600 V
*⁾ For more detailed information, please visit www.dehn-international.com.

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BLITZDUCTOR XT – Protection Modules

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BXT ML4 B 180

Part No. 920310 BXT ML4 B 180

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BXT ML4 BE 5 – BE 180

Part No. 920320 BXT ML4 BE 5

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Part No. 920322 BXT ML4 BE 12

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Part No. 920324 BXT ML4 BE 24

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Part No. 920336 BXT ML4 BE 36

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Part No. 920325 BXT ML4 BE 48

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Part No. 920326 BXT ML4 BE 60

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Part No. 920327 BXT ML4 BE 180

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