YDX mini circuit breaker is mainly suitable for overload and short circuit protection. It is especially used for illumination and distribution in industry and commerce, etc. It hasp leasing outlook & high breaking capacity, reliable performance., high inflammable resistance and shock resistance for long service life. It is within the circuit of AC 50Hz/60Hz, rated voltage of single pole up to 240V, two, three or four poles up to 415V. It can also be used for an unfrequent switchover of the circuit and illumination under normal condition.