Written by 
Product Overview
Take full control of your DC motor and pump applications with the DC 9‑55V 40A 2000W PWM Motor Speed Regulator. Designed for high‑power environments, this versatile speed controller delivers smooth, precise PWM modulation across a wide voltage range (9V‑55V) and up to 40 A continuous current, making it the ideal solution for industrial pumps, electric vehicles, robotics, and DIY projects.
Key Highlights
- Wide Voltage Compatibility: Operates from 9 V to 55 V (9V, 12V, 24V, 36V, 48V options) to suit multiple battery packs and power supplies.
- High Power Capacity: Supports up to 2000 W (40 A) continuous load, perfect for demanding motor and pump applications.
- Precision PWM Control: Adjustable duty cycle provides fine‑tuned speed regulation for optimal performance and energy efficiency.
- Robust Protection Features: Over‑current, over‑temperature, under‑voltage, and short‑circuit protection safeguard both the controller and your motor.
- Easy Installation: Compact 150 mm × 100 mm housing with screw terminals and clear labeling for quick wiring.
- Thermal Management: Integrated heat sink and built‑in fan keep the unit cool under heavy loads.
- Universal Compatibility: Works with brushed DC motors, water pumps, fans, and other 9‑55 V motor types.
Technical Specifications
- Input Voltage: 9 V – 55 V DC
- Continuous Current: 40 A (max)
- Maximum Power: 2000 W
- PWM Frequency: 8 kHz – 20 kHz (adjustable)
- Operating Temperature: -20 °C to +60 °C
- Dimensions: 150 mm × 100 mm × 45 mm
- Weight: 0.85 kg
- Connector Type: Screw terminals (2 mm pitch) + optional barrel jack
- Safety Certifications: CE, RoHS
Why Choose This Speed Controller?
Whether you’re upgrading a water pump, building a high‑torque electric bike, or automating a robotic arm, this PWM speed regulator offers the reliability and flexibility you need. Its broad voltage range eliminates the need for multiple controllers, while the built‑in protections extend the lifespan of your motor and power source. Enjoy smoother operation, reduced energy consumption, and hassle‑free installation—all in a compact, rugged package.
Applications
- Industrial water and oil pumps
- Electric bicycles and scooters
- Robotics and automation systems
- DIY hobby projects and prototypes
- Solar‑powered motor drives
Package Includes
- 1 x DC 9‑55V 40A 2000W PWM Speed Regulator
- User manual with wiring diagram
- Mounting hardware (screws & brackets)
Upgrade your motor control today with the DC 9‑55V 40A 2000W PWM DC Motor Pump Speed Regulator – the trusted choice for high‑performance, reliable speed control.
Price: $ 5.26