M202 motor protector, the main chip adopts the industrial-grade single-chip microcomputer of Microchip , with a built-in 10-bit A/D converter, which can directly measure the true effective value of the AC signal; Adopt industrial-grade anti-interference design and wide power input, and all input/output adopt electrical isolation; support a variety of motor start-up control modes and perfect protection functions. Even in the start-up stage of the motor, stalling pattern recognition and protection can be achieved for the motor; It is easy to use.