About Uninterruptible Power Supplies (UPS)

About UPS Sizing

How are UPS sizes determined?

UPS sizes are typically based on Volt Amps (VA). VA is determined by the following formulas:
  1. Amps x 120 (for domestic applications) = VA
  2. Amps x 220 (for international applications) = VA
  3. Watts x 1.4 = VA
Find the right UPS for your application at SizeMyUPS.com
Customer Quotes

"MINUTEMAN UPS has repeatedly proven to EDS that its products can eliminate power concerns in challenging situations."
--- Neil Youngblood, MCSE, System Administrator Advanced, EDS


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  • For an inexpensive, floor unit, [the PRO1100E] boasts lots of extras...the perfect choice for power backup on a budget. ---John Breeden II,
    Government Computer News, April 2004


    Read the full review
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