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Rectangular green circuit board with terminal blocks and a toggle switch

Ruth's sister

Ruth's sister 70A DC motor speed controller 12V-60V reversible PWM forward reverse switch

SKU CH-5CXW-T62SF

Controls DC motors from 12V to 60V with 70A reversible PWM switching

  • Handles high-current motors up to 70A
  • Operates across a wide 12V to 60V range
  • Reversible PWM control for forward and reverse motion
  • Compact internal power cable design for easy integration

70A PWM motor controller 12V–60V

This reversible DC motor speed controller handles continuous currents up to 70 A across a 12 V to 60 V supply range. Pulse-width modulation provides smooth speed adjustment while a forward-reverse switch changes rotation direction instantly. The unit suits robotics, electric vehicles and industrial equipment that demand bidirectional control.

Sustained-load behaviour

At the rated 70 A the MOSFETs dissipate significant heat, so adequate airflow or a heatsink is essential for continuous operation. Voltage drop across the power leads increases with cable length and current, reducing effective motor voltage under heavy load. The PWM frequency remains fixed, so very low-speed running may exhibit torque ripple. Buyers who need closed-loop speed regulation or current limiting should add external sensing circuitry.

How it compares

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

Price $25.99
Pricier than about 68% 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 or noise does the 70A controller produce when running continuously?

The unit uses PWM control without a built-in fan, so heat depends on load and airflow in your enclosure; at lower currents it stays cool, while sustained 70A operation will need adequate ventilation.

What power source and motor must I already have to use this 12V-60V reversible controller?

You need a DC supply between 12V and 60V that can deliver the required current, plus a brushed DC motor rated for the same voltage range and up to 70A.

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