MCB 1.CB,CE,KEMA,TSE,BVQI, CCC certificate 2.professional ... in double, three,four poles for protecting overload and short circuit, and rated current up to 63A. It can also beused ... voltage (V)230400Ambient temperature-5oC~+40oCType of instantaneous releaseCDCDRated short circuit breaking capacity Icn(kA)1-32A:650-63A:441-32A ...