how do we fix the rating of mcb required for a specific capacity of the electr

how do we fix the rating of mcb required for a specific
capacity of the electric motor

Question Posted / srinivas.b

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how do we fix the rating of mcb required for a specific capacity of the electric motor..

Answer / kali krishna

MCB Rating = 3* Full Load Current of that Motor, calculate the full load current by taking the hp Rating of that particular Motor.

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how do we fix the rating of mcb required for a specific capacity of the electric motor..

Answer / b soni

calculate the line currant of motor if it it 25A

phase cuurant = line currant/1.73

get the mcb of phace cuurant's rationg

25/1.73= 14A
get the mcb of 15A

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