MXA066 PWM DC Motor Speed Controller, 30 Amp (MXA066)
Item #:
$26.99  $25.49
$24.99 (3 to 9 units)
$24.49 (10 to 49 units)
$23.99 (50 to 99 Units)
$23.99 (75 - 99)
$23.29 (100 and more )
Your Price:


The motor speed controller has a potentiometer that controls the pulse width modulation output and has a max. current load of 30 Amps. This circuit allows you to obtain low operational speeds for DC motors without sacrificing torque. Popular uses for this product are as a motor controller, HHO hydrogen electrolysis, DC light dimmers, LED lighting dimmers, and heating control.

Great for HHO Systems that save fuel in Gasoline Powered Cars and Trucks. 



  • LM324 Op-amp
  • 2 IRF1404 MOSFETs with heat sinks
  • Large spade connectors



  • MX033-66 Frequency Adjuster kit to change the operational frequency



Product Specifications 

Power supply

12/24 VDC (jumper provided)

Load voltage

12/24 VDC (30 Amps max.)

PCB dimensions

3.85” x 1.59” x 1.25”  (approx. 100mm x 40mm x 30mm)


Pulse Width Modulation

Motor speed range

0-100% adjustable

Operational frequency

100 Hz



Bakatronics LLC makes no claims or warranty as to the fitness or design of this product for the use in generating hydrogen, HHO gas or other applications. The purchaser is solely responsible for the design and application and assumes all risks. Bakatronics LLC shall not be liable for any damages to equipment or for any bodily harm. Our maximum liability is strictly limited to the purchase price of the MXA066 at the time of original sale. Bakatronics LLC also shall not be responsible for units damaged by improper hook up or overloading! It is the purchaser's responsibility to properly protect the unit from overloads. If Bakatronics LLC inspection determines a unit to be defective, Bakatronics LLC will repair, repair or refund the purchase price at our option. Bakatronics LLC reserve the right to refuse to sell units to anyone that in Bakatronics LLC opinion, is not using the unit properly. Final warranty lies with original manufacturer of the MXA066 module.

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