Will Dyson on Wed, 08 Jan 2003 01:50:30 -0500


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Re: UPS VA ratings (was: Re: [PLUG] equipment give-away on Wed evening)

gabriel rosenkoetter wrote: 
On Tue, Jan 07, 2003 at 03:54:07PM -0500, Jeff Abrahamson wrote:

I have two UPS'es (uninterruptible power supplies). They are 420 and
450 VA respectively. Remembering freshman calculus and root mean
squares, this means they are rated 300 and 320 W respectively.


Care to elaborate on that? I'm glad to admit my complete lack of
knowledge; I'd presumed those were model numbers. (I've got a pair
of 1100s, and it sounds like it was a good idea to go that large,
being as I've got a 450 W power supply in my IA32 machine...)

Remember that just because a power supply is rated for however many Watts, doesn't mean that it is actually drawing that much power. It is just that the manufacturer claims you can do so without it melting.

--
Will Dyson
"Back off man, I'm a scientist!" -Dr. Peter Venkman

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