Rees52 12v-40v 10a pwm dc motor speed controller w/ knob–high efficiency, high torque, low heat generating with reverse polarity protection, high current protection from left to right they are motor-, motor+, power-, power+ features: Control the speed of a dc motor with this controller high efficiency, high torque, low heat generating with reverse polarity protection, high current protection size approx. 73 x 60 x 27 mm material: Plastic, metal package including: 1 x rees52 speed controller.
Potentiometer you can adjust power supply output
High efficiency, small heating,widely used in the industrial production
The board can control motor speed to change between 10% to 100%
With Power supply reverse polarity protection and high current protection