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Re: Variac ratings
Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>
Or, use an extension shaft to set the variac a few inches back from the panel.
At 11:23 AM 12/16/2002 -0700, you wrote:
>Original poster: "Mccauley, Daniel H by way of Terry Fritz
><twftesla-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>
>
>
>I'm having some problems with a control system design right now. I have a
>very nice rack mount enclosure which I am using for the NST controller but
>unfornately, the two variacs which I was planning on using take up the
>entire rear space of the front panel so there is no room to put my voltage
>and current meters, other switches etc...
>
>I was planning on using:
>
>120V, 20A variac for mains power (15kV/60mA maximum)
>120V, 8.5A variac for SRSG Phase Controller
>
>My question, is can you push a variac for short periods of time. In
>example, can i push my 8.5A variac to say 12A for
>short periods of time.
>
>If so, I could just use two (2) 120V, 8.5A variacs on the front instead of
>that monster 20A variac which is rather large.
>
>Any help appreciated.
>Thanks
>
>Dan