Mainly used in AC 50Hz or 60Hz, rated 230V, rated current to 32A for overload and short-circuit protection as well as for unfreq DZ30-32 high breaking capacity mini circuit breaker: DZ30-32 series mini circuit breaker is mainly used in AC 50HZ or 60HZ, rated 230V, rated current to 32A for overload and short-circuit protection as well as for unfrequented switching under normal case, especially ...