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variac
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To: tesla-at-grendel.objinc-dot-com
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Subject: variac
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From: David Euans <davide-at-mailhost.accesscom-dot-net>
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Date: Sun, 31 Mar 1996 20:39:47 +0000
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Hi,
I'm the proud? owner of an ancient looking 0-280 volt 28amp
Powerstat. It seems to work OK, but I've only tested it on a 120 volt
line and with a light load. On inspection, I see that the wiper
brushes are worn and in need of replacement. Does anyone have a
source for new brushes or the address of Superior Electric?
Can this transformer be operated at higher current levels than its 28
amp design spec? It has a 30 amp fuse, so this will obviously need to
go higher. I would like to operate it intermittantly at 40-45 amps.
Would forced air cooling help?