WRB6 series miniature circuit breaker is suitable for AC 50/60Hz, rated working voltage not exceeding 400V, rated current not exceeding 125A in the line, for overload and short circuit protection, but also can be used to turn on and off electrical devices and lighting circuits infrequently under normal circumstances. It is especially suitable for industrial and commercial lighting and power distribution systems. The circuit breaker conforms to GB/T 10963.1-2005 standard.