Engine speed controller 230VAC 400W Complete and ready do use the speed controller module. This motor speed controller is suitable for AC230V 50/60Hz motor. Speed control range is 90-1400r/min Suitable do packaging, printing, food, electronics, instrumentation, medical equipment, clothing industry production line do speed adjustable drive equipment. The system works correctly with engines equipped with feedback. Usage: Turn off the power, connect them according to the connection scheme and make sure the connection is correct. Attach the controller well and set the speed to the lowest “0” value to avoid sudden high current and permanent damage during power start-up. Then turn on the power and set the speed knob to the desired position. Turn off the power when not needed. The controller is connected do of the engine. If it turns out that torque or speed are not in accordance with the requirements, adjust the tuning potentiometer on the side of the product. To change the direction of the engine, simply replace the “CCW” and “CW” connection cables on the back of the controller. Select the short combination of COM and CW, and then the motor will rotate clockwise. Select the short combination of COM and CCW, and then the motor will rotate in the opposite direction do clockwise (when changing direction, do not change direction until the engine stops completely). Technical data Motor Type: AC Motor Rated Power: 400 W. Power supply AC 230 V, 50/60 Hz Ambient temperature: -10 - 50 Relative humidity: 90% Speed control range: 90-1400r/min 50HZ, 90-1700r/min 60Hz Package Weight: 257g Product Size: 110x100x60 mm