Q. The breaking capacity of a circuit breaker in MVA (3 phase) is given by (Solved)
1. Rated service voltage x rated symmetrical current
2. 1.1 x rated service voltage x rated symmetrical current
3. (2)1/2 x rated service voltage x rated symmetrical current
4. (3)1/2x rated service voltage x rated symmetrical current.
- d. (3)1/2x rated service voltage x rated symmetrical current.