2000W 40A PWM DC Motor Speed Controller 9-50V Adjustable
2000W 40A PWM DC Motor Speed Controller 9-50V Adjustable
2000W 40A Adjustable PWM DC Motor Speed Controller
Take precise command of your DC motors, fans, conveyors, and more with this heavy-duty PWM DC Motor Speed Controller. Operating over a wide voltage range of 10V–50V and handling up to 40A / 2000W, this industrial-grade regulator delivers smooth, stepless speed control for a huge variety of brushed DC motor applications — from automotive cooling fans and car wipers to production line conveyor belts and RC vehicles.
Key Features
- Wide Voltage Range: DC 10V–50V — compatible with 12V, 24V, 36V, and 48V systems
- High Power Capacity: Max 40A continuous current and up to 2000W output power
- Smooth PWM Regulation: 5–100% duty cycle at 200 Hz for virtually noise-free speed adjustment
- Ultra-Low Quiescent Draw: Only 0.025A standby current — minimal energy waste
- Extreme Temperature Rated: Operates reliably from -40°C to +85°C (-40°F to 185°F), including below-freezing environments
- Industrial-Grade Build: Housed in a rugged enclosure (105 × 55 × 40 mm) with a compact PCB (90 × 51 mm)
- Versatile Applications: Brushed DC motors, HHO systems, RC cars, fans, DC lamps (dimming), DC heaters (temperature adjustment), conveyor belts, treadmills, and multi-motor parallel control
Applications
- Automotive motors: car wipers, cooling fans, air-conditioning fan speed control
- Industrial conveyor belts and exhaust fan speed regulation
- Treadmills and exercise equipment motor control
- Multiple-computer parallel speed control setups
- DC lamp dimming and DC heater temperature adjustment
- RC cars and HHO generator systems
Specifications
| Working Voltage | DC 10V – 50V |
| Max Current | 40A |
| Output Power | 0.01W – 2000W (max) |
| Recommended Use | 12V/250W · 24V/350W · 36V/400W · 48V/500W |
| Quiescent Current | 0.025A |
| PWM Regulation Range | 5% – 100% |
| PWM Frequency | 200 Hz |
| PCB Size | 90 × 51 mm (3.5″ × 2″) |
| Case Size | 105 × 55 × 40 mm (4″ × 2.2″ × 1.6″) |
| Operating Temperature | -40°C to +85°C (-40°F to 185°F) |
What's in the Box
- 1 × DC Motor Speed Controller (with Extension Cord)
Made in Mainland China.
For guidance on safe electrical practices when working with DC motor controllers and power electronics, refer to the OSHA Electrical Safety guidelines.
Frequently Asked Questions
Q: What types of motors is this PWM DC Motor Speed Controller compatible with?
A: This controller is designed for brushed DC motors across a wide range of applications, including automotive fans, car wipers, HHO systems, RC car motors, conveyor belt motors, treadmill motors, electronic fans, and DC lamps or heaters requiring dimming or temperature adjustment.
Q: What voltage and current range does this speed controller support?
A: The controller operates on DC 10V–50V and handles a maximum continuous current of 40A. Recommended usage ranges are 12V/250W, 24V/350W, 36V/400W, and 48V/500W, with a maximum output of 2000W.
Q: Can this controller be used in cold or harsh environments?
A: Yes. This industrial-grade speed controller is rated for operation between -40°C and +85°C (-40°F to 185°F), making it suitable for below-freezing outdoor installations and high-heat industrial environments alike.
Q: How does PWM speed control work on this unit?
A: PWM (Pulse Width Modulation) regulates motor speed by rapidly switching power on and off at 200 Hz. The duty cycle is adjustable from 5% to 100%, giving you smooth, stepless speed control from near-stop to full speed with minimal heat generation and energy loss compared to resistive speed controllers.