alex at nac
Sep 24, 2002, 8:35 PM
Post #4 of 4
Re: [nsp] Question on UPS Power requirements
[In reply to]
I'll take some more detailed pics if folks are curious.
On 24 Sep 2002, Robert E. Seastrom wrote:
> Something that no shop should be without is a decent clamp-on ammeter.
> I have a Fluke 337, but you should look at the entire line to see
> what's right for you. Available from places like Graybar and Grainger...
> line card:
> Bear in mind in using it that you can't just clamp it around a power
> supply cable and expect it to do the right thing -- you should clamp
> it around the hot conductor only (this will typically require making a
> special extension cable).
> Once you know how many amps you're drawing (and have double-checked to
> make sure that the switching power supply in the 6509 is
> powerfactor-corrected), you can get a general idea of how long a
> typical UPS will last. The 16 amp rating is a maximum, as you already
> "Kerpal.Abdar"<kerpal.abdar [at] earthlink> writes:
> > Hi all. Sorry for the post but perhaps someone
> > can help me out. We have a
> > 6509 with what I believe is a 1800 watt p/s, 16
> > amp but we only have half of
> > the slots filled. My question is.......When
> > figuring the calculation to size
> > an APC UPS, can I assume my power requirement
> > for the 6509 is about half the
> > stated rating (since I am only using about half
> > the slots)?
> > Is the 1800 watt, 16 amp the maximum at full
> > load?
> > Kerpal
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-- Alex Rubenstein, AR97, K2AHR, alex [at] nac, latency, Al Reuben --
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