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  1. desertsheik

    45kva transformer, 380 primary to 208 secondary

    I have a 3 phase 45kva transformer, the primary side will be 3 phase 380 and the secondary side will be 3 phase 208. What is the formula for figuring the amps on the primary side and the formula for the secondary side.I want to install a disconnect on the primary side. This is a 50 hz system and...

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