vacuum circuit breaker

[′vak·yəm ′sər·kət ‚brā·kər] (electricity) A circuit breaker in which a pair of contacts is hermetically sealed in a vacuum envelope; the contacts are separated by using a bellows to move one of them; an arc is produced by metallic vapor boiled from the electrodes, and is extinguished when the vapor particles condense on solid surfaces.

vacuum circuit breaker

An electrical circuit breaker in which the contacts that perform switching and interrupting functions are enclosed in a vacuum.

单词	vacuum circuit breaker
释义	vacuum circuit breaker vacuum circuit breaker [′vak·yəm ′sər·kət ‚brā·kər] (electricity) A circuit breaker in which a pair of contacts is hermetically sealed in a vacuum envelope; the contacts are separated by using a bellows to move one of them; an arc is produced by metallic vapor boiled from the electrodes, and is extinguished when the vapor particles condense on solid surfaces. vacuum circuit breaker An electrical circuit breaker in which the contacts that perform switching and interrupting functions are enclosed in a vacuum. AcronymsSeeVCB
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