Answer / vikramsenareddy

while selecting the MCB u have to check:
1) Current Rating.
2) Response Time.
3) Manufacturer.
4) Type of MCB (mens single pole,double pole, three pole,
four pole). depends on application.
5) Cost.

Answer / dnyaneshwar

in addition to the above point below factors also taken
into account.
1. short circuit breaking capacity.

Answer / roushan.eee

in addition to the above point below factors also taken
into account.
time delay.
short circuit breaking capacity.
frequency
temperature response.

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