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ProGrade
ProGrade, Certified Electrical Contractor
Category: Electrical
Satisfied Customers: 419
Experience:  28+ years exp. - installation, troubleshooting, & repair of commercial, & residential electrical systems.
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I need a step down transformer. I need it to step down from

Customer Question

I need a step down transformer. I need it to step down from 480 to 208. I need to the 208 to be 200 amps. What size transformer do I need and how many amps do I feed it with.
Submitted: 1 year ago.
Category: Electrical
Expert:  ProGrade replied 1 year ago.
Hi, I'm Ken and I will be glad to help with your question. Thanks for using http://www.justanswer.com/home-improvement/expert-prograde
If there are not large motors, 75 kVA Transformer fed with minimum #3 Copper on 100A Breaker.

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