AL7 mini circuit breaker is used in the single phase residual current of AC 50Hz/60Hz, rated voltage 230V or below for protecting electron circuit from overload and short circuit. This product has advantages of high breaking capacity, small volume, width is only 18mm. Zero and live wire are cut off at the same time, preventing the person and fire danger. It is the idealest distribution protective switch in the civil residence field at present. This product conforms to the requirement of IEC 60898 and GB10963 standards.