Part No. 972147 DG ME DC Y 1000 FM

GTIN 4013364519817, Customs tariff No. (EU): 85363030, Gross weight: 530.49 g, PU: 1.00 pc(s)

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DEHNguard ME DC Y 1000 FM combined arrester, type 1+2
3-pole, modular, pluggable combined arrester
for DC applications, width of 4 DIN modules
Mechanical operating / fault state indication
Type 1+2 arrester analogous to EN 61643-11 Y circuit
consisting of leakage-current-free varistor gas discharge tube technology
Especially suitable for use in DC power circuits up to 1000 V
DC switching device DCD
Max. continuous operating voltage: 1000 V DC
Lightning impulse current 5kA (10/350µs)
Nominal discharge current: 12.5 kA (8/20µs)
Floating remote signalling contact as changeover contact
Vibration and shock-tested according to EN 60068

Brand: DEHN
Type: DG ME DC Y 1000 FM
Part No.: 972147
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD analogous to EN 61643-11 / IEC 61643-11	type 1 + type 2 / class I + class II
Max. continuous operating voltage (d.c.) (U_C )	1000 V
Lightning impulse current (10/350 µs) (I_imp )	5 kA
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level [DC+ -> DC-] (U_P )	< 3,75 kV
Voltage protection level [(DC+/DC-) --> PE] (U_P )	< 2,5 kV
Max. short circuit withstand capability (I_SCCR )	500 A / 170 ms
Type of remote signalling contact	changeover contact

SPD analogous to EN 61643-11 / IEC 61643-11	type 1 + type 2 / class I + class II
Nominal voltage (d.c.) (U_N )	900 V
Max. continuous operating voltage (d.c.) (U_C )	1000 V
Lightning impulse current (10/350 µs) (I_imp )	5 kA
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level [DC+ -> DC-] (U_P )	< 3,75 kV
Voltage protection level [(DC+/DC-) --> PE] (U_P )	< 2,5 kV
Max. short circuit withstand capability (I_SCCR )	500 A / 170 ms
Temporary overvoltage (TOV) [DC+ -> DC-] (U_T) – characteristic	1000 V (U_TOV = U_C)
Temporary overvoltage (TOV) [DC+/- -> PE] (U_T) – Characteristic	1000 V / 10 sec. – withstand
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	4 module(s), DIN 43880
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm² solid / flexible
Extended technical data:	-------------------------------
– Use in DC battery storage systems up to I_SCCR	≤ 100 kA (t ≤ 7,5 ms)
– Backup fuse for DC battery storage systems up to I_SCCR	Bussman HLS 2000Vdc / 200 A 2+/A173 DST aR, manufacturer's Part No.: 170M2040
– Backup fuse for DC battery storage systems up to I_SCCR	Mersen Protistor D122SD20C200QF 200A 2000V DC aR
– Non-response up to 1250 V DC	yes

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Part No. 972110 DG SE DC 60

GTIN 4013364158504, Customs tariff No. (EU): 85363030, Gross weight: 160.00 g, PU: 1.00 pc(s)

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DEHNguard SE DC 60 surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 60 V d.c.
Voltage protection level: <= 0.5 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 60
Part No.: 972110
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	60 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 0.5 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	60 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 0.5 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	70 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	120 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP 20
Capacity	1.5 module(s), DIN 43880
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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Part No. 972120 DG SE DC 242

GTIN 4013364158528, Customs tariff No. (EU): 85363030, Gross weight: 170.00 g, PU: 1.00 pc(s)

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DEHNguard SE DC 242 surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 242 V d.c.
Voltage protection level: <= 1.25 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 242
Part No.: 972120
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	242 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 1.25 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	220 V
Max. continuous operating voltage (d.c.) (U_C )	242 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 1.25 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	320 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	484 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm²solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DINs rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	yes
– Max. continuous operating voltage (a.c.) (U_C )	255 V

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Part No. 972130 DG SE DC 550

GTIN 4013364158627, Customs tariff No. (EU): 85363030, Gross weight: 184.00 g, PU: 1.00 pc(s)

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DEHNguard SE DC 550 surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 550 V d.c.
Voltage protection level: <= 2.0 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 550
Part No.: 972130
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	550 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2.0 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	200 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	500 V
Max. continuous operating voltage (d.c.) (U_C )	550 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2.0 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	200 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	726 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	1100 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm²flexible
For mounting on	35 mm DINs rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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Part No. 972140 DG SE DC 900

GTIN 4013364158641, Customs tariff No. (EU): 85363030, Gross weight: 190.00 g, PU: 1.00 pc(s)

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DEHNguard SE DC 900 surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Type 2 SPD according to EN 61643-11
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 900 V d.c.
Voltage protection level: <= 3.0 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 900
Part No.: 972140
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	900 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3.0 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	100 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	80 A gPV

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	750 V
Max. continuous operating voltage (d.c.) (U_C )	900 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3.0 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	100 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	80 A gPV
Temporary overvoltage (TOV) DC (U_T) – characteristic	1089 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	1800 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DINs rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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Part No. 972115 DG SE DC 60 FM

GTIN 4013364158511, Customs tariff No. (EU): 85363030, Gross weight: 164.00 g, PU: 1.00 pc(s)

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CAD files

DEHNguard SE DC 60 FM surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
With remote signalling contact
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 60 V d.c.
Voltage protection level: <= 0.5 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 60 FM
Part No.: 972115
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	60 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 0.5 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Type of remote signalling contact	changeover contact

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	48 V
Max. continuous operating voltage (d.c.) (U_C )	60 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 0.5 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	70 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	120 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm² solid / flexible
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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Part No. 972125 DG SE DC 242 FM

GTIN 4013364158610, Customs tariff No. (EU): 85363030, Gross weight: 174.00 g, PU: 1.00 pc(s)

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Additional information

CAD files

DEHNguard SE DC 242 FM surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
With remote signalling contact
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 242 V d.c.
Voltage protection level: <= 1.25 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 242 FM
Part No.: 972125
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	242 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 1.25 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Type of remote signalling contact	changeover contact

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	220 V
Max. continuous operating voltage (d.c.) (U_C )	242 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 1.25 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	300 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	320 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	484 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm² solid / flexible
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	yes
– Max. continuous operating voltage (a.c.) (U_C )	255 V

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Part No. 972135 DG SE DC 550 FM

GTIN 4013364158634, Customs tariff No. (EU): 85363030, Gross weight: 189.00 g, PU: 1.00 pc(s)

Images

Additional information

CAD files

DEHNguard SE DC 550 FM surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
With remote signalling contact
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 550 V d.c.
Voltage protection level: <= 2.0 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 550 FM
Part No.: 972135
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	550 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2.0 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	200 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Type of remote signalling contact	changeover contact

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	500 V
Max. continuous operating voltage (d.c.) (U_C )	550 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 2.0 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	200 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	35 A gG
Temporary overvoltage (TOV) DC (U_T) – characteristic	726 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	1100 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm² solid / flexible
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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Part No. 972145 DG SE DC 900 FM

GTIN 4013364158658, Customs tariff No. (EU): 85363030, Gross weight: 194.00 g, PU: 1.00 pc(s)

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DEHNguard SE DC 900 FM surge arrester
Modular and pluggable single-pole surge arrester
for d.c. applications, width: 1.5 modules
Fault indication
Type 2 SPD according to EN 61643-11
With remote signalling contact
Heavy-duty varistor technology
DCD d.c. switching device specifically for use in d.c. circuits
Max. continuous operating voltage: 900 V d.c.
Voltage protection level: <= 3.0 kV
Nominal discharge current: 12.5 kA
Short-circuit strength in case of
max. mains-side overcurrent protection (d.c.): 2000 A
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

Brand: DEHN
Type: DG SE DC 900 FM
Part No.: 972145
or equivalent.

Certificates

Direct Current-Disconnection

When using surge arresters in d.c. applications, disconnection must be reliably ensured even if there are no zero crossings. The specifically developed DC Disconnection (DCD) technology acts as a wedge similar to a blocking valve and interrupts the direct current. Consequently, the devices of the DEHNguard SE DC series are capable of safely interrupting direct currents, thus preventing fire damage caused by d.c. switching arcs.

Technical data

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (d.c.) (U_C )	900 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3.0 kV
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	100 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	80 A gPV
Type of remote signalling contact	changeover contact

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Energy coordination with terminal equipment (≤ 10 m)	type 2 + type 3
Nominal voltage (d.c.) (U_N )	750 V
Max. continuous operating voltage (d.c.) (U_C )	900 V
Nominal discharge current (8/20 µs) (I_n )	12.5 kA
Voltage protection level (U_P )	≤ 3.0 kV
Response time (t_A )	≤ 25 ns
Short-circuit withstand capability without backup fuse (d.c.) (I_SCCR )	100 A
Short-circuit withstand capability for max. mains-side overcurrent protection (d.c.) (I_SCCR )	25 kA
Max. mains-side overcurrent protection	80 A gPV
Temporary overvoltage (TOV) DC (U_T) – characteristic	1089 V / 5 sec. – withstand
Temporary overvoltage (TOV) DC, 2x U_C (U_T) – characteristic	1800 V / 120 min. – safe failure
Operating temperature range (T_U )	-40 °C ... +80 °C
Operating state / fault indication	green / red
Number of ports	1
Cross-sectional area (min.)	1.5 mm² solid / flexible
Cross-sectional area (max.)	35 mm² stranded / 25 mm² flexible
For mounting on	35 mm DIN rails acc. to EN 60715
Enclosure material	thermoplastic, red, UL 94 V-0
Place of installation	indoor installation
Degree of protection	IP20
Capacity	1.5 module(s), DIN 43880
Type of remote signalling contact	changeover contact
Switching capacity (a.c.)	250 V / 0.5 A
Switching capacity (d.c.)	250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals	max. 1.5 mm² solid / flexible
Extended technical data:	use for safety lighting systems
– d.c. and a.c. operation	no

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DEHNguard ME/SE DC ... (FM)

DEHNguard ME DC ... FM

Part No. 972147 DG ME DC Y 1000 FM

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Direct Current-Disconnection

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DEHNguard SE DC ...

Part No. 972110 DG SE DC 60

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Part No. 972120 DG SE DC 242

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Part No. 972130 DG SE DC 550

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Part No. 972140 DG SE DC 900

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DEHNguard SE DC ... FM

Part No. 972115 DG SE DC 60 FM

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Part No. 972125 DG SE DC 242 FM

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Part No. 972135 DG SE DC 550 FM