Features Adjustable Speed and Direction: The DC motor speed controller comes with high current and large torsion, support CW and CCW, you can adjust the speed and rotation direction of the motor. Technical Parameters: The maximum current of the regulator is 40A, the limit power is 2000W, and the control frequency is 25KHz. DC10-50V Input: Power requirements DC10-50V, wide operating voltage range, the wiring type is the barrier type terminal block. Linear Speed Regulation: The speed regulation type is current regulation, the speed regulation method adopts potentiometer (linear), and the speed regulation duty cycle range is 0‑100%. PCB Material: The DC motor speed controller adopts good quality PCB materials, with reliability and miniaturization, good maintenance and interchangeability. Specification: Item Type: DC Motor Controller Material: PCB Input Voltage: DC10-50V Output Voltage: Linear under load Output Limit Current: 40A (20A for long term use, pay attention to keep the module unobstructed for heat dissipation) Limit Power: 2000W Speed Regulation Type: Flow regulation Speed Regulation Mode: Potentiometer (linear) Speed Regulation Duty Cycle Range: 0-100% Control Frequency: 25KHz Wiring Type: Barrier terminal block Package List: 1 x DC Motor Controller Note: Pay attention to the correct operation. Package List 1 x DC Motor Controller