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How long is the maintenance cycle of the vacuum circuit breaker?


Due to the characteristics of the vacuum circuit breaker, its vacuum arc chamber does not need to be overhauled and cannot be overhauled. Once it is damaged or its life is over, it can only be replaced.

 circuit breaker

However, the mechanism used in the vacuum circuit breaker includes

Including electromagnetic operating mechanism and spring operating mechanism (with the exception of permanent magnet mechanism).

The mechanism used in conventional circuit breakers does not need to be overhauled, and the vacuum mechanism still needs to be overhauled regularly. Therefore, the maintenance cycle of the vacuum circuit breaker depends on the operating mechanism. The major repair cycle is 4 to 6 years, and the minor repair cycle is once a year. Temporary maintenance is required when the following situations occur:

(1) When the equipment has defects that affect the safe operation.

(2) When the number of normal operations reaches 2 000 times.

(3) When replacing the vacuum interrupter.


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