CJX1 Series AC contactor is suitable for the circuit of AC 50 (or60)Hz, rated operating voltage to 690V, the rated current up to 400A when the usage category of AC-3, rated operating voltage is 380V, for remotely connecting and breaking the circuit, and it can be combined with JRS2 (3UA) into electromagnet starter to protect the circuit’s over load produced by operation. This product confirms to: GB14048.4, IEC60947-4-1, etc. standards