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4hv.org :: Forums :: Sale and Trade
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wanted: 240v variac

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IamSmooth
Tue Apr 06 2010, 02:01AM Print
IamSmooth Registered Member #190 Joined: Fri Feb 17 2006, 12:00AM
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Posts: 1567
Anyone have a 240v input variac with a current rating of 40A or more?
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HV Enthusiast
Tue Apr 06 2010, 05:06PM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
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Posts: 3068
You're not going to find something with that current rating.

The maximum 240vac variac size is typically 28A. This is the industry standard and used in all the giant 3-phase variac stacks, etc...

That said, I do have a 240/280VAC, 28A powerstat variac if you're interested. I have a 3-stack for free (pick-up only), or a powerstat single with knob, although this would be a sale item.

A single 28A variac could be run at 40A for short durations though.
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IamSmooth
Tue Apr 06 2010, 06:03PM
IamSmooth Registered Member #190 Joined: Fri Feb 17 2006, 12:00AM
Location:
Posts: 1567
While free is tempting, I don't have three phase.

I have a 240/20@ unit right now. I wonder how much of a difference the 8A will make. How much for the unit and shipping? When you say "short duration", how long are we talking about?
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