Amfani da sulfur hexafaluoride a matsayin matsakaicin kashe baka a cikin SF6 injin da'ira ya fara a farkon shekarun 1950. A cikin 1960s da 1970s, SF6 masu watsewar kewayawa an yi amfani da su sosai a cikin matsanancin ƙarfin lantarki da manyan tsarin wutar lantarki. A farkon shekarun 1980, an sami nasarar ɓullo da SF6 vacuum circuit breakers tare da 363 kV guda hutu, 550 kV biyu hutu, da kuma rated breaking igiyoyin na 80 da 100 kA. Ka'idar aiki Ka'idar aiki na sulfur hexafluoride SF6 vacuum circuit breaker yafi hada da budewa da rufe ayyuka: Buɗe aiki: Ƙaƙwalwar ciki na goyon baya ana sarrafa shi ta hanyar aikin bazara don cire sandar rufin, yana haifar da bututun ƙarfe don matsawa ƙasa da samar da arc ta hanyar rabuwa da babban lamba da madaidaicin lamba. Konewar baka yana haifar da babban zafin jiki, yana samar da iskar gas mai ƙarfi, wanda ke gudana cikin silinda mai matsa lamba don ƙara matsa lamba na ciki. Ana fitar da iskar gas mai tsananin ƙarfi daga maƙogwaro na maƙarƙashiyar tuntuɓar baka, tana kashe baka da cimma manufar gajeriyar kewayawa. Aiki na rufewa: Hannun crank na ciki na goyon baya yana sarrafawa ta hanyar tsarin aiki na bazara don cire sandar rufin, yana haifar da bututun ƙarfe ya tashi da sulfur hexafluoride gas don shigar da silinda mai matsa lamba, yana jiran aikin buɗewa na gaba. Tsarin tsarin sulfur hexafluoride SF6 vacuum circuit breaker yawanci ya ƙunshi sassa shida masu zuwa: Bangaren sarrafawa: alhakin tafiyar da halin yanzu. Arc extinguishing na'urar: amfani da SF6 gas don kashe baka. Sashin insulation: Samar da rufin lantarki. Na'urar haɗin haɗi: haɗin kayan aikin taimako. Gudanar da wutar lantarki da tsarin aiki: Sarrafa aikin na'urorin lantarki. Yanayin aikace-aikacen Sulfur hexafluoride SF6 injin kewayawa ana amfani da su a cikin matakan ƙarfin lantarki sama da 110kV, kuma ana amfani da su sosai a cikin matsanancin ƙarfin lantarki da manyan tsarin ƙarfin ƙarfin aiki saboda kyakkyawan rufin su da halayen kashe baka.
