Quick view SIEMENS, 3 Pole+N,... Surge arrester Type 2 requirement class C, UC:350V/260V (L-N/N-PE) Pluggable protective modules 4-pole, 3+1 circuit for TN-S and TT AC systems, Rated Discharge Surge Current In=20kA , SC capacity with backup fuse=25kA.
Quick view SIEMENS, 1 Pole+N, 240V AC,... Lightning arresters, Type 1 requirement class B, UC 350V Pluggable protective modules 4-pole, 3+1 circuit for TN-S and TT systems with remote display.