1.Internatonal standard: IEC 2.Authoritative certificate:CCC, CE,EU, TUV & ROHS 3.Voltage:AC240/415V,current:0.5-50A 1.ApplicationGSB3-50 series circuit breaker for equipment is suitable for rated current for 0.5A-50A, rated voltage for AC 240/415V(50/60HZ) or DC 80V and the following system,widely used in railway signal power screen and for civilian,computer peripherals,industrial automation ...