3P+N 40kA lightning surge protection device This surge protective device( hereinafter referred to as SPD) are suitable for AC 50/60Hz, rated voltage up to 380v IT,TT,TN-C, TN-S,TN-C-S and other power supply system, it protect to indirect and direct lightning effect or other transient over voltage SPD design according with GB18802.1/IEC61643-1 standard. Specification details: Model PQ2-40 Poles 4P Max. continious working voltage(Uc) 420V AC(can customized) Nominal discharge current(In) 20kA Max.discharge current(In) 40kA Voltage protection level(Up) 1.8kV Matched circuit breaker/Fuse 32A Response time
