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  • Jan 31, 2008, 11:50 AM
    alltime
    Electrical mesurements
    What does 40VA mean when is descrobes a plug-in transformer.
  • Jan 31, 2008, 12:56 PM
    conan1964
    This is the power rating of the transformer. At 20 Volts it is using 2 Amps or 40VA(20*2). It is using AC voltage, so the units are VA or volt-amps. In DC voltage, the rating would be in watts.

    Hope this helps.

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