Mini circuit breaker Gkd-65 midget circuit breaker is mainly suitable for overload and short circuit of Distribute circuit and equipment within the circuit of ac50hz, rated voltage up to 400v, Current up to 63a. It can also be used for an unfrequent switchover of the circuit. Main technical parameter: 1. Feature of over current tripper 2. When the ambient temperature is 30¦--35¦, the over-current tripper feature should In line with the characteristic of table 1. 3. Breaking capacity: complies with standard of ie60898, gb10963 and gb 10000a.