400W AC 220V Forward and Reverse Motor Speed Controller Features: This motor speed controller is suitable for AC220V 50/60HZ motor. The speed regulation is 90-1400r/min 50HZ, 90-1700r/min 60HZ Suitable for packaging, printing, food, electronics, tank cleaning instrumentation tank instrumentation, medical equipment, textile and clothing industry production line speed control drive devices for The controller uses high-quality electronic system and integrated components to ensure durability. It has small size, high precision, wide speed control range and long service life .Technical data: Power supply: AC220V50/60hz Rated power: 400W Ambient temperature: - 10 ~ + 50 ; Relative humidity: 90%; Speed regulation range: 90-1400r/min 50HZ, 90-1700r/min 60HZ Weight: 295g Wiring methods: Black wire is the motormain wire, the red and white are the capacitor auxiliary wires, and the 2 blue wires are the speed control return wires, the green wire is the ground wire. Package includes: 1 x speed controller How to use: 1. Turn off the power, connect it according to the wiring diagram and make sure the connection is correct.2. Fix the controller and set the speed to the lowest "0" to avoid sudden large current and permanent damage when starting the power; 3. Then turn on the power and set the speed dial to the desired position. Please turn off the power when not needed; 4. The controller is connected to the engine. If the torque or speed is not as required, please adjust the tuning potentiometer on the side of the product5. To change the direction of the motor, simply replace the "CCW" and "CW" jumper lines on the back of the controller.6. Select COM and CW short connection, then the motor will rotate clockwise.7. Select a short connection of COM and CCW, then the motor rotates counterclockwise. (When changing direction, do not change direction until the motor stops working completely.)