The CR193 MV vacuum contactor has a new generation electromagnetic operating mechanism and a high- performance vacuum interrupter, providing excellent electrical and mechanical performances. The product complies with the standards of GB, DL and IEC, and can be used in three-phase AC systems with rated voltages of12kV and below and rated frequencies of 50/60HZ, especially suitable for the control and protection of electrical equipment such as motors, transformers, capacitor banks and scenarios requiring frequent start-stop or switching.