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Green rectangular PWM speed controller board with screw terminals and adjustment knob

Ruth's sister

Ruth's sister DC12-36V 100W PWM speed controller internal power cable

SKU CH-98PN-MNG7B

Adjusts DC motor speed from zero to full power across a 12 to 36 volt range with up to 100 watts of control

  • Adjust motor speed smoothly from 0 to 100% with PWM control
  • Operate on a wide 12 to 36 volt DC input range
  • Deliver up to 100 watts of power to your DC motor
  • Handle up to 3 amps of input current for reliable performance

PWM speed controller for DC motors

This internal power cable integrates a PWM drive module that adjusts DC motor speed from zero to one hundred percent. It accepts an input range of twelve to thirty-six volts and supports up to one hundred watts at three amps. The unit suits builders who need variable-speed control for cooling or motion projects inside a chassis.

Sustained-load behaviour

Continuous operation at the rated three-amp limit keeps the module within its hundred-watt ceiling without thermal shutdown. Voltage drops across long cable runs are not compensated, so the motor sees the actual rail voltage under load. Buyers who require closed-loop feedback or current limiting beyond the basic PWM duty cycle should look elsewhere.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 92% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the DC12-36V 100W PWM controller generate when running a motor continuously at full 100W load?

The module is rated for 100W maximum output with a 3A input limit. Continuous full-load operation will produce noticeable heat; ensure adequate airflow inside the case and consider a heatsink on the MOSFETs if the enclosure is tight.

What power source and motor do I need to have on hand before installing this internal PWM speed controller?

You need a DC power supply between 12V and 36V capable of at least 3A, plus a compatible brushed DC motor rated within the 100W limit. The controller connects inline between the supply and motor via its screw terminals.

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