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Small green circuit board with soldered components and wire leads

Ruth's sister

Ruth's sister BL02 15A internal power cable

SKU CH-BFG9-KWD7B

Controls three-phase brushless motors up to 15 A with forward/reverse operation across 5 V to 36 V supplies

  • Three-phase brushless control enables sensorless motor operation
  • 15 A rating supports high-current BLDC applications
  • Wide 5 V to 36 V input suits varied DC power sources
  • Forward and reverse function adds directional flexibility

Internal BLDC motor controller

This internal power cable is a three-phase brushless sensorless motor controller rated for 15 A continuous current. It accepts DC input voltages of 5 V, 6 V, 9 V, 12 V and 36 V and provides forward and reverse rotation for compatible fans or pumps. The unit suits builders integrating custom cooling loops or voltage-controlled fan arrays.

Thermals and power draw

Operating at its 15 A rating the controller draws up to 12 W at 12 V input and up to 36 W at 36 V input. Heat output scales with load and supply voltage, so adequate airflow around the board is required during sustained operation. Acoustic noise is determined by the attached motor rather than the controller itself.

How it compares

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

Price $12.99
Cheaper than about 60% 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 is the BL02 15A controller wired into a three-phase brushless motor?

Connect the three motor phase wires to the controller's output terminals and the DC supply to the input terminals matching your voltage from 5 V to 36 V; the step often missed is securing the phase order so the sensorless start-up detects rotor position correctly.

What maintenance or replacement will the BL02 15A need over time?

The unit has no user-serviceable parts; plan to replace the controller if the 15 A rating is exceeded, if input voltage drifts outside the 5 V to 36 V range, or if the violent fan modulation feature causes thermal stress that degrades the power stage.

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