[nsp] Question on UPS Power requirements

[Alex Rubenstein]

Example:


http://gallery.nac.net/gallery/view_photo.php?set_albumName=album65&id=MVC_002F

(sorry, fuzzy).

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:
> http://www.fluke.com/Download/ElectricalPower/1629613_.pdf
>
> 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
> know...
>
>                                         ---Rob
>
>
> "Kerpal.Abdar"<kerpal.abdar@earthlink.net> 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@nac.net, latency, Al Reuben --
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