1、Wide Voltage Range: The input voltage of the motor speed controller is DC10‑60V, suitable for 12V 24V 36V 48V and other common voltages. 2、PWM Control Method: The 1200W high power drive module uses PWM method to control the speed of the DC motor. 3、For DC Brushed Motor: The output limit current of the motor speed controller is 20A, which is suitable for DC brushed motors. 4、With Potentiometer: Equipped with a potentiometer, and the module has standard mount opening, which is safe and convenient to operate. 5、Convenient Wiring: Barrier terminal type is adopted, which is convenient and fast for wiring and does not take up space. Item Type: Motor Speed Controller Switch Input Voltage: DC10-60V Output Voltage: Linear at load Output Limit Current: 20A (use 10A for a long time, within 450W, pay attention to keep the module heat dissipation) Ultimate Power: 1200W Speed Regulation Type: Current regulation Speed Regulation Method: Potentiometer (linear) Speed Regulation Duty Cycle Range: 0-100% Control Frequency: 25KHZ Wiring Type: Barrier terminal block Knob Cord Length: Approx. 20cm / 7.9in Module Size: Approx. 77 x 45 x 28mm / 3 x 1.8 x 1.1in Motherboard Installation Size: Approx. 73 x 40mm / 2.9 x 1.6in Potentiometer Installation Hole: Approx. 7mm / 0.3in 1 x DC Motor Speed Controller 1 x Potentiometer 1 x Knob Cap