... standard: IEC 2.Authoritative certificate:CCC, CE,EU, TUV & ROHS 3.Rated voltage:144V,DC current:400A 1.ApplicationGSZ1 series ... 100A,200A,400A DC circuit,for making orbreaking the circuit .Product is mainly used for control electric car,low voltage converter,engineering ... -acting,contact for double breakpoint bridge contact;The main circuit wiring should match circular or peep mouth cold-pressed ...