Q.

The breaking capacity of a three phase circuit breaker is given by

A. Service line voltage * rated symmetrical current in amperes * 10-6 MVA
B. √3 * Service line voltage * rated symmetrical current in amperes * 10-6 MVA
C. 1.1* Service line voltage * rated symmetrical current in amperes * 10-6 MVA
D. √2 * Service line voltage * rated symmetrical current in amperes * 10-6 MVA
Answer» B. √3 * Service line voltage * rated symmetrical current in amperes * 10-6 MVA
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