MCB circuit breaker can be divided into B, C, D, Z, K class according to different tripping characteristics.
For IT loads, the () level tripping characteristics should be used.
A . B
B . C
C . D
D . Z
Answer: B
MCB circuit breaker can be divided into B, C, D, Z, K class according to different tripping characteristics.
For IT loads, the () level tripping characteristics should be used.
A . B
B . C
C . D
D . Z
Answer: B