1.GXB1-125 circuit breaker suitable for AC50Hz, rated working voltage up to 400V, rated current up to 125A line, remote control of the line to breaker off or close operation, at the same time to the line plays a role of overload and short circuit protection, can also be used as the line infrequent operation conversation. Widely used in remote control and engineering filed matching use, control line between open and break. 2.You can switch between active and passive mode, support electric and manual switches. 3.Signal control circuit breaker, it can be controlled by wire and the remote switch logic state (125A high current,overload,short circuit,isolation protection) can be customized.