Wide Voltage Compatibility - This motor speed controller is designed for 12-60V DC brush motors, making it versatile for various applications requiring precise speed regulation. For PWM Speed Control with High Frequency - Features pulse-width modulation ( for PWM) for smooth speed adjustment at a high frequency of 15KHz, guarantee stable and efficient motor performance. High-Capacity & Reliable Design - Rated for 20A current with lasting electronic components, providing long-lasting operation and resistance to wear in industrial environments. Compact & Accurate Engineered - Its compact size, wide speed range, and high accurate make it best for applications in packaging, printing, food processing, electronics, and more. Forward & Reverse Function - Offers flexible motor control with optional forward and reverse rotation, enhancing usability in different production line setups. Part Name:DC brush motor speed controller Size:60x100x90mm Speed regulation mode: pulse width Pulse width frequency: 15KHz Input voltage: DC 12-60V Modulation output: 0-input voltage Rated current: 20A Output current:Less than 10A Maximum current: 20A Continuous current: 10A Speed adjustment range: 0%-100% Quiet current: 0.01A(standby state) Speed adjustment: potentiometer Directions: 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,easily replace the for jumper lines of "CW" on the back of the controller. 6. Select COM and CW short conn