Compact and Practical DC Motor Speed Controller for Car Cooling Fans 200A 1248V. The motor governor has a compact structure, with stable connection, easy installation and takes up little space, safe and reliable Brushed Motor Controller. The DC motor speed controller can also be used for DC lamp dimming or DC heater control, which has strong practicability Brushed Motor Controller. Can be used for DC brush motor, suitable for car cooling fan motor, automotive air conditioner motor, exhaust fan, treadmill motor, etc Brushed Motor Controller. Support bidirectional CW and CCW, use 0-5V potentiometer, speed regulation range is easy to operate, has a wide application range Brushed Motor Controller. DC brush motor speed regulator, the working voltage range is 12-48V, the maximum rated current is 100A, and the current is 200A Brushed Motor Controller. Item Type: DC Motor Speed Regulator. Output Voltage: Linear under load. Continuous Current: Within 100A is recommended. CW and CCW: Bidirectional. Speed Regulation Mode: Potentiometer 0-5V. Support Motor: DC Brush. Part Name:DC Motor Speed Regulator. Color:As picture showns. DC Motor Speed Regulator. 0-100 digital display is the percentage of speed, not the actual speed of the motor. The input voltage must be positive and negative, and 220V household electricity cannot be input. The input voltage should be equal to the rated voltage of the motor (within 12-48V). Such as motor rated voltage 12V input 12V motor 36V input 36V. Also, the each additional item means exactly the the same color and size. Just follow the Guest Checkout instructions.