Vacuum circuit breaker ndeyekugadzira magetsi uye zvivakwa zvemagetsi sekutonga nekudzivirira, zvakare yekugovera sisitimu mumaindasitiri nemabhizinesi emigodhi, fekitori yemakemikari epeturu, simbi, uye nharaunda. Chigadzirwa chacho chine kuvimbika kwakanyanya, kuchengetedza kwemahara uye hupenyu hurefu hunhu, kunyanya yakakodzera kushanda nguva zhinji, kudzokorodza kutyora mamiriro, senge pfupi-dunhu ikozvino yenzvimbo.
