Subject: Re: variac
Date: Wed, 3 Apr 1996 13:13:23 -0500
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In a message dated 96-04-01 20:18:25 EST, you write:
> 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?
Yes, you should be proud. It is a great variac. I just happen to have my
new Powerstat catalog on my desk. Their address is 383 Middle Street
Bristol, CT 06010. Phone number is 203-585-4500.