Vacuum interrupter yomwe imadziwikanso kuti vacuum switch chubu, ndiye gawo loyambira lamagetsi apamwamba kwambiri.Ntchito yake yayikulu ndikudula ma arc kudzera pakutchinjiriza kwa vacuum mumagetsi apamwamba kwambiri ndikuletsa magetsi mwachangu kuti mupewe ngozi ndi ngozi.Amagwiritsidwa ntchito kwambiri pamagetsi amagetsi otumizira ndi kuwongolera kugawa, amagwiritsidwanso ntchito muzitsulo, migodi, mafuta, mafakitale amafuta, njanji, kuwulutsa, kulumikizana, mafakitale apamwamba kwambiri opangira magetsi.Amadziwika ndi kupulumutsa mphamvu, kupulumutsa zinthu, kuteteza moto, umboni wa kuphulika, mawu ang'onoang'ono, moyo wautali, mtengo wotsika wokonza, ntchito yodalirika komanso yosawononga.Chosokoneza cha vacuum chikhoza kugawidwa m'mitundu ingapo, imodzi ya ophwanya dera ndi ina ya kusintha kwa katundu, kwa contactor, kwa recloser.