MCB 1.CB,CE,KEMA,TSE,BVQI, CCC certificate 2.professional manufacture for 10 years 3.IEC60898 standard ... applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and ... ,4PRated current (A)6,10,16,20,25,32,40,50,63Rated voltage (V)230400Ambient temperature-5oC~+40oCType of instantaneous releaseCDCDRated ...