Industrial design, 200A high current, continuous running current can reach 100A.Wide working voltage: DC 10V-50V; Control power: 0.01-5000W.Positive reversal of motor control, pure silver contact relay can carry larger current.0-5V analog signal voltage controls rotation speed.With forced cooling fan to solve the heating problem of high current operation.Programmable design is perfect for feature development.Can be applied to wiper motor, etc., providing good motor speed adjustment.Applications:1. Various types of general- brush DC motor speed;2. Various types of vehicle motor speed adjustment (car fan speed, automatic fan speed, automatic wiper motor speed, car air conditioning fan speed);3. The production line belt speed, pipeline speed, treadmill speed, multiple computers in parallel fan speed control, electronic fan speed control;4. Various types of DC lamp dimmer, various types of DC heater thermostat, etc.Operating voltage:DC 10V-50VMax. current:200A (max. continuous current 100A)Control power:0.01-5000WStatic current:0.05APWM Duty Cycle:0%-100%PWM Frequency:15KHzControl voltage:0-5VOperating temperature:-20C to 40CColour:SilverMaterial:MetalSize:23.5x11.5x6.5cm/9.25x4.53x2.56inPackage Contents:1 * Speed ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.