Features of Surge Protection Devices:- Standard: IEC 61643-11 / EN 61643-11, Type 1, Photovoltaic surge protection, With Remote signaling contact, Integrated SPD health indicator, Backup Fuse Rating 125A gL/gG, Protecton Level 1.5-2.5kV.
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.