CJX2 (LC1) series of AC contactors (hereinafter referred to as the contactor), the SAND contactors in the French TE company LC1-D series on the improvement and become a complete alternative to imported products. It can completely replace the imported products. Mainly used for AC 50Hz (or 60Hz), voltage up to 660V, current up to 95A circuit, for long-distance connection and disconnection of circuits, frequent starting and control of AC motors, and can be used with the appropriate thermal relay to form an electromagnetic starter in order to protect the circuit of the possible operation of overload.