Kungani ngezinye izikhathi kusetshenziswa i-VCB esikhundleni se-ACB?
Okokuqala, ama-vacuum circuit breaker asebenza kahle kakhulu ekuphatheni imithwalo kagesi ephezulu kanye nokuphula amaza amakhulu e-short-circuit. Okwesibili, athembekile kakhulu, adinga ukulungiswa okuncane, aqinisekisa ukuhlinzekwa kwamandla okungaphazamiseki. Ngaphezu kwalokho, i-vacuum circuit...
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