MB60 series molded case circuit breakers are suitable for distribution systems with AC 50/60Hz, rated current 16~630A, rated voltage AC400/690V, for distributing electrical energy and protecting lines and power supply equipment from overload, short circuit and other hazards. The series products adopt dual breakpoint technology, Icu=Ics=150kA; with smart molded case circuit breaker and leaky molded case circuit breaker optional, which can be widely used in rail transit, data communication, energy industry, public buildings and other key industries.