During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip W

During Starter Panel Com missing I Found The Main Incomer
40Amp MCB 10KA Trip When Motor Change Star To Delta
Motor Rating 20HP
BUT When We Use Same MCB To Other Motor It Does Not trip
Or
What Is Necessaries for Star Delta Starter MCB SFU MPCB OR
MCCB And What are The Breaking Capacity of MCCB in the Motor
above 15HP

Question Posted / ravinder singh

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