The 20A DC PWM Motor Speed Controller is an industrial-grade electronic regulator engineered for high-power applications. Operating on a wide voltage range from 9V up to 60V DC, this driver can effortlessly regulate high-current brushed DC motors, LED strip dimming arrays, or heating elements. Encased in a rugged aluminum chassis for optimal thermal dissipation, it features an integrated potentiometer with a long, flexible wire harness, allowing for easy panel-mounting in your project boxes or control panels.
High Efficiency Design: PWM duty cycle adjusts smoothly from 0% to 100% with very low heat generation, ensuring over 90% power efficiency.
Rugged Aluminum Enclosure: Protects internal circuitry from external debris while acting as a large surface-area heatsink.
Wide Voltage Range: Compatible with standard 12V, 24V, 36V, and 48V battery systems and industrial power supplies.
Panel-Mount Potentiometer: Includes a premium, detachable speed adjustment knob for easy dashboard integration.
Heavy-Duty Screw Terminals: Features thick barrier terminals to securely hold high-gauge wires handling up to 20 Amperes.
| Feature | Specification |
| Input Voltage Range | 9V to 60V DC |
| Output Voltage | Linear under load (Matches input percentage) |
| Continuous Current | 18 Amperes |
| Peak / Maximum Current | 20 Amperes |
| Speed Control Range | 0% to 100% (Smooth Regulation) |
| Control Frequency | 25 kHz (Eliminates high-pitch motor whining) |
| Potentiometer Cable Length | Approx. 20 cm |
| Dimensions | 77mm x 45mm x 28mm |
| Weight | ~75 grams |
The terminal blocks are clearly labeled on the back of the PCB:
Power + / Power : Connects to your DC Power Supply or Battery (9V 60V).
Motor + / Motor : Connects directly to your Brushed DC Motor or Actuator.
Note: Reverse polarity on the power lines will damage the module immediately. Double-check your input polarities before flipping the switch!
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