1.Internatonal standard: IEC 2.Authoritative certificate:CCC, CE,EU, TUV & ROHS 3.Rated Voltage:48V,Rated current:100-400A 1.ApplicationGSZ2-Y series magnetic keep DC contactor is mainly used in DC working voltage is up to 48V, working current is 100A-400A circuit, for making and breaking ciruit. The product is mainly used in communication power supply, uninterrupted power supply system,also can ...