PMAC801A intelligent motor protection controller is a high-performance motor protection device integrating motor measurement, protection and control functions into one. It is applicable to the normal three-phase AC asynchronous motor with the rated voltage of AC380V or AC690V, and this product replaces the diverting device usually used by motor control center (MCC), thus significantly simplifying the motor structure of control circuit, improving the reliability and advancement of motor control and reducing overall application costs.