HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I DO MY SETTINGS FOR

HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I
DO MY SETTINGS FOR
OVERLOAD,SHORTCIRCUIT,GROUNGFAULT,INSTANTANEOUS TRIP
FUNCTION IN MY 4000A CIRCUIT BREAKER?

Question Posted / karani

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HAI,I HAVE 6,60KW MOTOR FEEDERS IN MY MCC PANEL.HOW CAN I DO MY SETTINGS FOR OVERLOAD,SHORTCIRC..

Answer / k.prakashchandra

Set OCR at 110 % of rated current, ground fault at 10-20 %
of OCR,inst trip at 2 to 6 times the OCR and SC(inst) at 8
times the OCR.

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