Sei dzimwe nguva VCB ichishandiswa pachinzvimbo cheACB?
Chekutanga, ma vacuum circuit breakers ane basa rakanaka pakubata magetsi akawanda uye kupwanya ma short-circuit currents makuru. Chechipiri, akavimbika zvikuru, anoda kugadziriswa kushoma, zvichiita kuti magetsi awane simba risingaperi. Pamusoro pezvo, vacuum circuit...
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