
alex at nac
Sep 24, 2002, 8:35 PM
Post #4 of 4
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Re: [nsp] Question on UPS Power requirements
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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 [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 > > > > _______________________________________________ > > cisco-nsp mailing list real_name)s [at] puck > > http://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ > cisco-nsp mailing list real_name)s [at] puck > http://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Alex Rubenstein, AR97, K2AHR, alex [at] nac, latency, Al Reuben -- -- Net Access Corporation, 800-NET-ME-36, http://www.nac.net --
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