PWM 40A DC Motor Speed Controller, Manual, 10-50 VDC
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Prices updated: 13 Oct 2026
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About this product
A PWM DC motor speed control board rated for 40 A and an input of 10 to 50 VDC. It adjusts the speed of DC motors by changing the PWM duty cycle manually. It is suited to DC motor projects such as fans, pumps and small machines that need adjustable speed.
Specifications
- Rated current
- 40 A
- Input voltage
- 10-50 VDC
- Control method
- Manual PWM
- Motor type
- DC motor
Frequently asked questions
Can this controller be used with a brushless DC motor?
This is a PWM speed controller for DC motors. Brushless motors need a dedicated ESC or BLDC controller, so check the motor type before connecting.
How do I wire the motor and power supply?
Connect the DC supply within the 10 to 50 VDC range to the input terminals, observing polarity, and connect the motor to the output terminals. Keep the motor current within the 40 A rating and use wires thick enough for the load.
