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I want to know what must the CT ratio be on a load of 300A
is a 3PH nutral to earh installation?
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Answer Posted / a.p.nanjappa
Load current is 300A. The equipment shall withstand the
starting current -which is around -5-8xIn.It is preferable
to select 1ooo-1200A/1A OR 5A.
WE ADOPT THIS THUMB RULE for our protection setting& co-
ordination.
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