The DEHNvenCI is a single-pole combined lightning current and surge arrester with an integrated backup fuse that complies with type 1 and type 2 according to EN 61643-11 standards. It offers maximum availability due to RADAX FLOW follow current limitation and is capable of protecting terminal equipment. It is designed to guard low-voltage consumer’s installations against surges and even direct lightning strikes. It can be installed following the lightning protection zone concept at the boundaries from 0A – 2. It safely operates at an AC nominal voltage of 230V with a maximum continuous voltage of 255V. It can handle a lightning impulse current of 25kA and a 1.5kV safety level.
Specifications
System configuration DC : No
System configuration IT : No
System configuration TN : Yes
System configuration TN-C : Yes
System configuration TN-C-S : Yes
System configuration TN-S : Yes
System configuration TT : Yes
System configuration other : No
Number of poles : 1
Lightning impulse current (10/350 µs) (kA) : 25
Max. continuous voltage AC (V) : 255
Nominal voltage AC (V) : 230
Voltage protection level (kV) : 1.5
Follow current extinguishing capability (kA) : 50
Specific energy (W/R) (kJ/Ohm) : 156.25
Mounting method : DIN rail (top hat rail) 35 mm
Construction size : 2 modular spacing
Max. conductor cross section solid (solid, stranded) (mm²) : 50
Max. conductor cross section flexible (fine-strand) (mm²) : 35
Remote signalling : Yes
Signalling at the device : Optic
Test class : Type 1 + 2
Integrated backup fuse : Yes
Energy-coordinated protection effect with regard to the terminal equipment : Yes
Voltage switching spark gap technology : Yes
Overcurrent protected voltage tapping : No
Degree of protection (IP) : IP20
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