parts is parts???

Discussion in 'Electrical Forum discussion & Blog' started by jimbo, Apr 25, 2012.

  1. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    I was looking on line at a small UPS battery backup. It is rated at 550 VA / 330 watts. Now watts is volts time amps, and I know that power factor may enter into the equation...but why is VA so much different than the watts on that guy??
  2. DonL

    DonL Jack of all trades Master of one

    Mar 30, 2011
    Rocket Scientist
    Houston, TX

    Most are made to shut the system down and not rated for continuous duty.

    People like big numbers. And efficiency plays into it.

    This is a good bang for the buck;
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  4. LLigetfa

    LLigetfa DIYer, not in the trades

    Feb 6, 2011
    Information Technology
    NW Ontario, Canada
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