... MOV, Pluggable,Modular design IEC61643-1 1pc/pkg Combination arrestor, protection set for TT, TN and IT system· DGM-type surge ... DC voltage of the circuit and equipment of the Surge Protection.SPD has a phase to phase(L-L),phase to ... (KA)20Max.discharge current 8/20μs Imax(KA)40Voltage protection level Up(KV)1.2Response time ns≤25Housing materialPBT,antiflamingVaristorZnOOperatiing ...