BUYISI 400W AC motor speed controller Speed precision regulator 220V micro motor speed

Features *> This motor speed controller is suitable for AC 220/240V 50/60HZ motor. *> Speed regulation range is 90-1400r/min 50Hz 90-1700r/min 60Hz. *> Suitable for packaging printing food electronics instrumentation equipment clothing industry production line for speed control drive device. *> The controller uses high quality electronic circuit and integrated components for durability. *> It has small size high precision wide speed controlling range and long service life. *Optional power: 400W Method of use: 1. Turn off the power connect it according to the wiring diagram and make sure the connection is correct. 2. Fix the controller well and set the speed to the lowest 0 so as to avoid sudden large current and permanent damage when starting the power supply. 3. Then turn on the power and adjust the speed knob to the desired position. Please turn off the power when not needed. 4. The governor is connected to the motor. If the torque or speed is found to be inconsistent with the requirements please adjust the fine-tuning potentiometer on the side of the product. 5. To change the running direction of the motor simply replace the jumper lines of CCW and CW on the back of the controller. 6. Select COM and CW short connection then the motor will rotate clockwise. 7. Select COM and CCW short connection then the motor do counterclockwise rotation. The package includes: 1 * 400W motor governor