DZ49-63 Series MIniature Circuit Breaker,MCB This mcb conforrms with the standard of IEC60947-2. AC 50Hz 230V/400V Up to 63A ... 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short circuit, and rated current up ... building anddwelling house. It conforms with the standards of IEC60898.2.Main Technical Parameter TypeDZ49-63Pole1P 2P, 3P, 4PRated current (A ...