PM3 MBA Series


PM3 mba Series

The PowerMax PM3 mba Series lower tray converters take 110Vac power to 12Vdc power to charge a battery and/or power 12V equipment. With our state of the art 3 Stage Smart Charging and adjustable power supply modes, the PowerMax AC to DC power converter is engineered with the user and variable environmental conditions in mind. They will fully charge and maintain any battery type while providing very clean DC power. Ideal for use in an RV to replace the Lower Section Converter tray in a Power Distribution Center.

The PowerMax mba series is an exact replacement for ANY WFCO 8900 Series MBA and other brands of Lower Tray Converters








  • An exact replacement for the WFCO 8900 mainboard converter including the WF 8955 mba
  • Available in 35, 45, 55, 60 and 75 Amps
  • Built-in 3 Stage Charging and single output modes
  • Works with all Battery Types including Lithium, Lead Acid, AGM
  • Output voltage adjustable from 13.0 Vdc to 16.5 Vdc
  • Reliable, Safe and Clean AC/DC power
  • 2-year warranty
  • Reverse Polarity, Overload and Thermal Protection
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35 Amp, 45 Amp, 55 Amp, 60 Amp, 75 Amp

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