High-voltage vacuum circuit breakers to have a good arc characteristics, suitable for frequent operation, no maintenance cycle length advantage in today's urban and rural power grids in China's power industry, power transformers, metallurgy, railway electrification, and mining and other industries has been widely used by the using an almost universal praise.
The use of vacuum mcb circuit breaker main advantage is the vacuum interrupter, but it is not long maintenance cycle characteristics does not mean the repair and maintenance-free. Overall, for the vacuum circuit breakers, circuit breakers is only one component elements, such as the actuator, transmission, insulation, etc., remain to ensure the technical performance of the vacuum circuit breaker important part. For the normal maintenance of the various components in order to meet the use of a vacuum circuit breaker is necessary effect.
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