I-vacuum circuit breaker yeyokuvelisa umbane kunye nezixhobo zombane njengeenjongo zokulawula umbane kunye neenjongo zokukhusela, ikwasetyenziselwa inkqubo yokusasaza kumashishini kunye nemigodi, umzi-mveliso weekhemikhali zepetroli, isinyithi, kunye noluntu. Imveliso inokuthembeka okuphezulu, ukugcinwa kwasimahla kunye neempawu zobomi obude, zilungele ukusebenza rhoqo, iimeko zokwaphula ngokuphindaphindiweyo, ezifana nesekhethi emfutshane yendawo.
