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For protecting low-voltage consumer installations against surges. For installation in conformity with the lightning protection zone concept at the boundaries from 0_B– 1 and higher.

DEHNguard SE CI with integrated backup fuse

Arrester backup fuse integrated in the protection module
For use in case of higher rated voltages
Energy coordination with other arresters of the Red/Line product family
High discharge capacity
High reliability due to ""Thermo Dynamic Control"" SPD device monitoring
Easy replacement of protection modules without tools due to module locking system with module release button
Vibration and shock-tested according to EN 60068-2

DEHNguard SE CI 440 FM

Pluggable single-pole surge arrester comprising a base part and plug-in protection module; with integrated backup fuse and remote signalling contact for monitoring unit (floating changeover contact).

Part No. 952920

DG SE CI 440 FM

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DEHNguard SE CI WE 440 FM

Pluggable single-pole surge arrester with a rated varistor voltage U_mov= 750 V a.c.; comprising a base part and a plug-in protection modulel; with integrated backup fuse and remote signalling contact for monitoring unit (floating changeover contact).

Part No. 952923

DG SE CI WE 440 FM

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SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (AC) (U_C)	440 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (I_n)	12.5 kA
Voltage protection level (U_P)	≤ 2 kV
Max. mains-side overcurrent protection	not required
Type of remote signalling contact	changeover contact

SPD according to EN 61643-11 / IEC 61643-11	type 2 / class II
Max. continuous operating voltage (AC) (U_C)	440 V (50 / 60 Hz)
Rated varistor voltage (a.c.) (U_mov)	750 V
Nominal discharge current (8/20 µs) (I_n)	12.5 kA
Voltage protection level (U_P)	≤ 3 kV
Max. mains-side overcurrent protection	not required
Type of remote signalling contact	changeover contact