(500W)AC 220V 50/60Hz Single Phase AC Motor Speed Controller Electric Motor New

(Matching motor power: 300W; 400W; 500W (Optional ). Speed range: 90-1400r/min 50HZ, 90-1700r/min 60HZ. Relative humidity: <90%. 1) Select COM and CW short circuit, then the motor rotates clockwise;. 2) Select COM and CCW to short, then the motor rotates counterclockwise.

eBay