1)The MCCB complies with standard of IEC947-2, GB14048.2, GB14048.4 and so on. 2)Professional manufacturer. KPM6(ABB) series moulded case circuit breaker Application KPM6(ABB) series moulded case circuit breaker. It is applicable circuit of AC 50Hz or 60Hz,rated insulation voltage 660V, rated operating voltage under AC660V, 690/250V(DC), rated operting current 1215A-1250A, for distribute energy ...