Conforms to IEC 61643-11, Available in Type 2 and Type 1+2, Type 2 : Protection against indirect lightning and switching surges- Maximum Discharge Current - Imax up to 70kA, Type 1+2 : Protection against direct and indirect lightning surges- Maximum Discharge Current - Imax up to 100kA
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.