DEHNconnect SD2 Ex (i)
- For protecting intrinsically safe measuring and control circuits and bus systems (Ex (i))
- Maximum impulse current carrying capability Imax up to 20 kA (8/20 µs)
- Low voltage protection level, capable of protecting terminal equipment
- Approvals: ATEX, IECEx
- Disconnection module for disconnecting the signal circuit for maintenance work
- Module fixing and mechanical ejector
- Module in "parked" position after disconnection
- Terminal block with integrated surge protection (width of 6 mm)
- Fast conductor connection without tools thanks to direct plug-in technology
- Can be used with jumper bar (accessory)
Details
DCO SD2 MD EX
Surge arrester with energy-coordinated low-capacitance protective circuit and disconnection module for disconnecting signal circuits. For protecting one pair in intrinsically safe measuring circuits and bus systems, meets FISCO requirements. Self-capacitance and self-inductance negligibly small. Insulation strength > 500 V to earth.
1 Product
Part No. 917960 DCO SD2 MD EX 24
GTIN 4013364150638, Customs tariff No. (EU): 85363010, Gross weight: 43.10 g, PU: 1.00 Stk
PredecessorTechnical data
SPD class | T |
Max. continuous operating voltage (d.c.) (UC ) | 33 V |
Max. input current according to EN 60079-11 (Ii ) | 0.5 A |
D1 Lightning impulse current (10/350 µs) per line (Iimp ) | 1 kA |
C2 Total nominal discharge current (8/20 µs) (In ) | 10 kA |
Cut-off frequency line-line (fG ) | 5.8 MHz |
Approvals | UL, CSA, ATEX, IECEx, CSA & USA Hazloc, SIL |
*) For more detailed information, please visit www.dehn-international.com. |