[geeks] New lamps for ... er, large UPS for smaller

Phil Stracchino phil.stracchino at speakeasy.net
Mon Jun 20 09:08:05 CDT 2005


Mark G. Thomas wrote:
> You might consider just changing the plug or making an adapter pigtail.  
> So long as your 20A house receptacle has suitable gauge wire and is properly 
> protected by a 20A breaker or fuse, and so long as you do not plug more 
> than 20A worth of load into the UPS (allowing a couple Amps for UPS 
> charging current), I don't see a down-side to the UPS being rated 
> at a greater than required capacity.
> 
> Note that the UPS alone doesn't draw 30A, it is just capable of a (near) 
> 30A load, and has an internal 30A breaker.  I suppose if you want to
> be super conservative, you could replace the internal UPS breaker with 
> one rated 20A.

Hmmm.......   You have a point.

Anyone happen to know what the maximum charging current draw of an
SU3000 is?


-- 
 Phil Stracchino       phil.stracchino at speakeasy.net
    Renaissance Man, Unix generalist, Perl hacker
 Mobile: 408-592-8081         Landline: 603-886-3518



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