Lightning current arrestor, 1-pole NPE

MC 125-B/NPE: For use in TN-S and TT systems as N-PE discharge gap, Type 1 (Class B) IEC 61643, for interface 0 to 1 (LPZ) according to lightning protection zone concept to IEC 61312-1 and/or DIN V VDE V 0185 Part 4 for use as discharge gap between N and PE.

• VDE test mark
• Conforms to VDN Directive, 2nd Edition 2004
• Protection capability 125 kA 10/350 µs
• Including plug caps for identifying the connections
• Protection level • Enclosed, non-extinguishing discharge gap: can be used in normal commercial distributor housings

Application example: lightning arrestor in accordance with VDN Directive for pre-meter area.
Note: required as de-coupling length for overvoltage protection of 5 m of cable.

Connection options

MC 125-B NPE

Nominal voltageUN230
SPD to EN 61643-11Type 1
SPD to IEC 61643-11class I
Lightning protection zone LPZ0→1
Impulse discharge current (10/350)Iimp50
Total discharge current (10/350)Itotal125
Nominal discharge current (8/20)In50
Arrestor surge current (8/20) [total]ITotal 8/20125
Voltage protection levelUp
Response timetA
Follow current quenching capacity (eff) [N-PE]Ifi0,1
Maximum back-up fuse
Temperature rangeϑ-40-85
Division unit TE (17.5 mm)2
Protection ratingIP20
Connection cross-section rigid10-50
Connection cross-section, multi-wire10-35
Connection cross-section, flexible10-25