DZ47-63 high-breaking miniature circuit breaker (hereinafter referred to as circuit breaker) is suitable for protection power distributionlines with Ac 50Hz or 0Hz, rated working voltage 230/400v, rated current to 63A circuit,rated shor-circuit breaking capacity not exceeding6000A. As the ine is not connected frequently. With overload and short circuit protection. At the same time, it has powerful auxiliaryfunction modules, such as auxiliary contacts, alarm indication contacts, shunt release, undervoltage release, remote trip control and othermodules.