Features:Wide operating voltage:DC 9-50V, 30A, max. power 1500W.Apply PWM modulation system to adjust motor speed from 0-100% randomly.Support 0-5V PLC signal voltage control to control motor speed cooperate with other modules.With brake to stop motor immediately, switch to control rotary direction, fan to dissipate heat.Stable in performance, high efficiency and low noise when working.Main Applications:1.Control motor speed of cars(eg. car cooling fan motor, car fan motor, car windshield wiper motor, air condition fan motor)2.Adjust speed of the conveyor of product lines, tube exhaust fan, treadmill, electric fan.3.Adjust temperature of DC heater, brightness of common DC bulb.