Motor Speed Controller US-52 Key benefits - Precise speed control for AC induction motors with adjustable speed, making startup and process changes smooth and repeatable. - Compact and durable PVC housing with a 6 pin connector and 60 cm cable for easy installation and integration into existing machines. - Built in on off switch and green LED indicator for clear status and quick manual control. What it does and why you need it - Regulates motor speed to match process requirements and reduce mechanical stress during startup. - Prevents sudden high current draw by allowing start at zero speed, protecting the motor and drive system. - Fine tuning potentiometer lets you match torque and speed to the driven equipment for improved performance. Key specifications - Model: US-52. - Rated input: AC 220 V, 50 Hz. - Controller rated power: 400 W. - Motor compatibility: AC induction motors with adjustable speed. Applicable motor power range 6 to 250 W when no filter capacitor is used. - Connector: 6 pin plug type. - Cable length: 60 cm. - Housing material: PVC. - Indicators and controls: green LED indicator, 6 terminals, on off switch, speed adjustment knob, and side fine tuning potentiometer. Practical applications - Machine tools and grinders where controlled ramp up and stable speed are required. - Conveyor systems and packaging machines that need adjustable conveyor speed for handling different product sizes. - Textile, food processing, vending, and rubber machinery where precise motor speed improves product consistency and reduces waste. Installation and operation summary - Do not switch on without load. Always ensure a suitable load is connected before powering the controller. - Power must be turned off while wiring. Connect according to the wiring diagram and verify all connections are correct before switching on. - Mount the controller securely and set the speed knob to the minimum 0 position before applying power to avoid large inrush currents and potential damage. - After powering on, adjust the speed knob to the desired speed. - If torque or speed does not meet requirements, use the side fine tuning potentiometer to optimize performance. - To reverse motor rotation change the jumper wiring on the controller rear. Short COM and CW for clockwise rotation. Short COM and CCW for counterclockwise rotation. Do not change direction while the motor is still running. Wiring color guide - Black: main motor lead. - Red and white: auxiliary capacitor leads. - Blue and blue: feedback leads for speed control. - Green: earth ground. Important notes - US-52 is designed for AC induction motors with adjustable speed and is not suitable for use in the United States. - Follow the do not switch on without load instruction to avoid damage. - Switch off power when the controller is not required. Package contents - 1 x Motor Speed Controller US-52.