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Old 03-21-2011, 11:25 AM
Dennis Hetland Dennis Hetland is offline
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Join Date: Sep 2009
Location: Salem, OR
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Exactly what you want is not common so it's likely to cost a lot, but a 480v to 240/120v is common. If you put 240v to the primary of a 480v transformer you'll get 120/60v out of the secondary. If the load on your secondary is 200 amps you'll draw 50 amps from your panel to you primary.(If the secondary is wired for 60v).
A 50KVA 4 to 1 stepdown transformer rated for 480volts on the the primary should work for you.
I should point out that while I have installed transformers I have not built a moly furnace yet. I think it would be worth the money to pay someone like Cheyenne Malcolm for some advice. Especially if you don't have a lot of experience with electrical installations. I'm sure he could tell you where to get the best transformer for your money.
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