APPLICATION CJX2(LC1-D) series AC contactor is suitable for using in the circuits up to the rated voltage 660V AC 50Hz or 60Hz,rated current 95A,for making and breaking and frequent starting, controlling the AC motor. Combined with the auxiliary contact group, air delayer, machine interlocking device etc, it is combined into the delay contactor, mechanical interlocking contactor, star-delta starter, with the thermal relay, it is combined into the electromagnetic starter. CJX2(LC1-F) series AC Contactor is applicable to the circuits up to the rated voltage 1000V AC 50Hz or 60Hz, rated current up to 780A, for long distance breaking circuit and frequently starting or controlling the motor. It also can be used for the control of distribution circuits of rated current from 200A to 1600A.