[rescue] UPS rescue, now what?

[Steven Hill]

> Of course 16A is the absolute maximum, but that is what you would want
> to plan for anyway.  Transformers are oftem rated in VoltAmps, just as
> easy as it sounds, 16x250=4000 VA.  That's a good sized transformer.
> Current wise it is also simple math, if you want 16 Amps out the high
> side you will have to put in a little better than 32 amps at 117 Volts,
> otherwise known as it's own breaker in the panel.  Are you in any
> situation to do a little wiring?  It would be significantly cheaper to
> run a 220V line in most cases.


With the caveat that for your calculation you have assumed the
transformer to be a resistive load.

A good faq was posted here a few months ago.

S.

-- 
Steven Hill
Systems Administrator

www.matrixnetsystems.com