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The "five preventions" of high and low voltage switchgear are mainly reflected

  • Time of issue:2022-10-07
  • Views:0

The "five preventions" of high and low voltage switchgear are mainly reflected

(Summary description)1. After the vacuum circuit breaker trolley in the high and low voltage switch cabinet is closed at the test position, the trolley circuit breaker cannot enter the working position. (To prevent closing with load)

  • Time of issue:2022-10-07
  • Views:0
Information

The "five preventions" of high-voltage switchgear are mainly reflected

1. After the vacuum circuit breaker trolley in the high and low voltage switch cabinet is closed at the test position, the trolley circuit breaker cannot enter the working position. (To prevent closing with load)

2. When the grounding knife in the high and low voltage switchgear is in position, the trolley circuit breaker cannot be closed. (Prevent closing with ground wire)

3. When the vacuum circuit breaker in the high-voltage switch cabinet is closed, the back door of the cabinet is locked with the cabinet door by the machine on the grounding knife. (Prevent accidentally entering the live interval).

4. The vacuum circuit breaker in the high and low voltage switch cabinet is closed during operation, and the grounding knife cannot be put in. (Prevent live wire from hanging)

5. The vacuum circuit breaker in the high and low voltage switchgear cannot withdraw from the working position of the trolley circuit breaker when the operation is closed. (Prevent broaching brake with load)

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