CJX2-□□series contactor is suitable for using in the circuit up to the rated voltage 600V AC 50Hz or 60Hz,DC voltage 220V ratedcurrent 150A,for making and breaking and frequent starting, controlling the AC motor which is combined with the auxiliary contactgroup, air delayer,machine interlocking device and etc.It is combined into the delay contactor, mechanical interlock contactor,switchover capacitor contactor, star-delta starter, with the thermal JR28 relay; it is combined into the electromagnetic starter.