Transformers

[TOM1187]

I have a 75KVA Transformer and I need to get 200 A on the secondary,side what is the calculation I need to do to get my primary breaker size?

 

[ptonsparky]

I have a 75KVA Transformer and I need to get 200 A on the secondary,side what is the calculation I need to do to get my primary breaker size?

You should include voltage somewhere.

 

[TOM1187]

You should include voltage somewhere.

480 primary 120/208 Secondary

 

[electrofelon]

Check out table 450.3(B).