DC Motor Speed Controller (PWM)

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  1. Speed control of a ventilation fan with an idle adjusted speed increasing progressively with increase temperature.
  2. A  manual speed control of using potentiometer.
  3. External from other device supplying 0-10VDC control voltage directly proportional ( 0=zero speed 10VDC = maximus speed of the DC motor)

This controller can be used only with DC brush motors.


  • DC Input Voltage:                            12-32V
  • Maximum Current                           50A
  • Output                                                 PWM 0- 32 Maximum