The current is distributed from 10A to 250A in the distribution network circuit to distribute power and protect the line and power equipment from overload, short circuit, under voltage and other faults. At the same time, it can also be used as infrequent starting and overload, short circuit and under voltage protection of the motor. The circuit breaker has the characteristics of small size, high breaking, short arcing, etc., and is an ideal product for users. The circuit breaker is mounted vertically (ie, vertically) and can also be mounted horizontally (horizontal). The product has an isolation function. Meet the standard: GB/T 14048.2.