1.Internatonal standard: IEC 2.Authoritative certificate:CCC, CE,UL, TUV & ROHS 3 ... 415VFrequency50/60HZ Convention thermal current100ARated operating current32A,63A,100APole1,2,3,4PRated Impulse Withstand voltage6000V Short-time with stand ... load operation2000he number of no-load operation10000wiring capacity50mm22. Production line Raw materials testing Plastic shell processing Coil winding processing ...