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circuit breaker vacuum

Advantages and disadvantages of vacuum circuit breakers ...· Vacuum circuit breakers are mostly used in high-voltage switchgear, which refers to a circuit breaker that uses vacuum as an arc extinguishing and insulating medium to open and close current in a vacuum vessel. Since the advent of vacuum circuit breakers in the early 1960s, with the improvement of various key processes and the development of new arc extinguishing chambers and operating ...

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