1 PCS DC Motor Speed Controller Regulator DC 10V-50V 5000W 200A Silver C4R88176. 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, exhaust fan, etc. Providing good motor speed adjustment. Various types of general-purpose 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 exhaust fan speed, treadmill speed, multiple computers in parallel fan speed control, electronic fan speed control; 4. Various types of DC lamp dimmer types of DC heater thermostat, etc. Operating voltage:DC 10V-50V Max. Continuous current 100A Control power:0.01-5000W Static current:0.05A PWM Duty Cycle:0%-100% PWM Frequency:15KHz Control voltage:0-5V Operating temperature:-20°C to 40°C Colour:Silver Material:Metal Size:23.5×11.5×6.5cm/9.25×4.53×2.56in Package Contents: 1 Speed Controller.