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Im designing APFCR Panel for 600 KVAR.I need to calculate
the full current so that i can choose the capacity of
isolator/Breaker.Kindly suggest with formula.

Im designing APFCR Panel for 600 KVAR.I need to calculate the full current so that i can choose th..

600 kvar/kv x 1.73 So if the voltage = 400 volts the
amperage = 600/0.40 x 1.73 = 867 amps. Your breaker would
be determined by your local code. USA would be
867 x 1.35 = 1170 or a 1200 amp breaker.

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