AC 220V 50/60Hz 300/400/500W AC Motor Speed Controller Electric Motor Speed
(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;. Matching motor power: 300W; 400W; 500W (Optional).