Conforms to IEC 61643 - 1, IEC 61643 - 11, 2P, 2 modules, Type 3 products-main protection, Protects electronic equipments against transient voltage surges caused by lightning or switching of motors, transformers etc.
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.