Watch out that some automatic transfer switches assume half voltage is good enough, that’s actually a failure mode we see a lot on commercial power.
From: AF <af-boun...@af.afmug.com> On Behalf Of Matt Sent: Tuesday, November 27, 2018 5:46 PM To: af@af.afmug.com Subject: Re: [AFMUG] Local Generator On the same subject in our NOC we have a APC AP7723 AC transfer switch. Has two AC inputs and if one fails automatically switches to the other. Handy when doing maintenance on the UPS system. Would like something like that for when we use a generator at a remote site we can plug one input into generator and other into AC power. The idea is that hopefully when the generator runs out of fuel power might be back on and save an urgent trip to switch over. Was thinking there should be something cheaper and smaller than the APC unit? This only applies to our small sites and rare extended outage. Most our main sites have a ~50 gallon propane tank and small generac with transfer switch. On Tue, Nov 27, 2018 at 8:20 AM Mike Hammett <af...@ics-il.net <mailto:af...@ics-il.net> > wrote: What's a good generator likely to be in-stock locally? Mine has gone missing. It doesn't need to be big. A couple hundred watts is more than enough. It just needs to produce clean power for a UPS to ingest. ----- Mike Hammett <http://www.ics-il.com/> Intelligent Computing Solutions <https://www.facebook.com/ICSIL> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> <https://www.linkedin.com/company/intelligent-computing-solutions> <https://twitter.com/ICSIL> <http://www.midwest-ix.com/> Midwest Internet Exchange <https://www.facebook.com/mdwestix> <https://www.linkedin.com/company/midwest-internet-exchange> <https://twitter.com/mdwestix> <http://www.thebrotherswisp.com/> The Brothers WISP <https://www.facebook.com/thebrotherswisp> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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