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Start by
Arun
08-19-2013 09:13 PM

How to select HRC fuse rating for transformer?

For 250KVA 11000/400V they used 31.5 Amps, if we upgrade to 500 KVA, same fuse can be used are we need to change the rating? 250KVA=HRC 31.5 AMPS? is there any formula?