1,ADJUSTABLE SPEED AND DIRECTION: Come with high current and large torsion, support CW and CCW, you can adjust the speed and rotation direction of the motor 2,TECHNICAL PARAMETERS: The maximum current of the regulator is 40A, the limit power is 2000W, and the control frequency is 25KHz 3,DC10-50V INPUT: Power requirements DC10-50V, wide operating voltage range, the wiring type is the barrier type terminal block 4,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 percent 5,EXCELLENT PCB: Adopt good quality PCB materials, with reliability and miniaturization, good maintenance and interchangeability 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 percent Control Frequency: 25KHz Wiring Type: Barrier terminal block 1 x DC Motor Controller Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.