MY mini circuit breakers are mainly suitable for overload and short circuit protection especially used for illumination and distribution in industry and commerce，have beautiful outlook & high breaking capacity etc．Their frame and parts are made of plastics of light weight，reliable performance，high inflammable resistance and shock resistance for long service life．They are mainly used for overload and shout circuit protection within the circuit of AC 50/60Hz．rated voltage of singe pole up 240V，two，three or four poles up to 415V．suitable for an unfrequent switchover of the circuit and illumination under normal conditions．