PWM 40A DC MOTOR SPEED CONTROLLER ADJUSTABLE VARIABLE SWITCH HHO DRIVER 12V-24V-48V

The PWM 40A DC Motor Speed Controller Adjustable Variable Switch is a powerful electronic controller designed to regulate the speed of DC brush motors and control the power supplied to DC loads such as heaters, lamps, and fans. Using advanced PWM (Pulse Width Modulation) technology, the controller adjusts output power smoothly and efficiently while minimizing energy loss and heat generation. Supporting a wide operating voltage range from 10V to 50V DC , this controller can handle loads up to 2000W with a rated current of 40A . It is suitable for applications requiring precise speed or power control, including automotive cooling fans, conveyor systems, treadmills, ventilation systems, and DC heating elements. The board uses high-quality MOSFET field-effect transistors , dedicated drive ICs, and a 70?m thick copper PCB to ensure stable operation, high efficiency, and reliable PWM signal output. A built-in potentiometer allows easy adjustment of output duty cycle from 5% to 100% . Its compact design, low standby current, and durable protective structure make it suitable for both industrial and DIY electronics projects. Specifications Product Type: PWM DC Motor Speed Controller Operating Voltage: DC 10V – 50V Recommended Voltage Options: 12V / 24V / 36V / 48V Maximum Output Power: 2000W Rated Current: 40A Control Power Range: 0.01W – 2000W PWM Duty Cycle: 5% – 100% PWM Frequency: 12KHz Quiescent Current: 0.025A Working Temperature: -20°C to 40°C Speed Adjustment Method: Potentiometer PCB Type: 70?m Copper PCB Control Type: PWM Modulation Power Output Reference 12V: Up to 480W 24V: Up to 960W 36V: Up to 1440W 40V: Up to 1600W 50V: Up to 2000W Applications DC brush motor speed control Automotive cooling fan control Car windshield wiper motor control Conveyor belt speed adjustment Electric fan speed regulation Treadmill motor control Tube exhaust fan systems DC heater temperature control DC lamp brightness adjustment DIY automation projects Industrial motor control systems