For a certain load i need 100kw load ,In that case what
rating mccb should i use?
Answer Posted / rajat
for 100 kw means 100000watt
use formula p= vi
100000= 230xi
i=100000/230= 430 amp
we always use current rating of the mccb is 1.5 times of full load current so we can use 430x1.5= 645 amp
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