Huawei
H12-411_V2.0 · Question #166
In the power supply and distribution system of a data center, for which purpose is a low-voltage circuit breaker with three-stage protection characteristics used? (Multiple choice)
The correct answer is B. Prevent main circuit overload caused by branch circuit short circuit D. Prevent main circuit breakage caused by branch short circuit. See the full explanation below for the reasoning.
Question
In the power supply and distribution system of a data center, for which purpose is a low-voltage circuit breaker with three-stage protection characteristics used? (Multiple choice)
Options
- APrevent branch short circuit caused by branch overload
- BPrevent main circuit overload caused by branch circuit short circuit
- CPrevent main circuit breakage caused by branch circuit breakage
- DPrevent main circuit breakage caused by branch short circuit
How the community answered
(20 responses)- A5% (1)
- B85% (17)
- C10% (2)
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