Mndandanda wazinthuzi umapangidwa ndi kuyika nthawi imodzi-conductive magawo a dera la vacuum interrupter ndikusintha kupita ku epoxy resin material insulation.Kunja kwa vacuum interrupter sikukhudzidwa ndi chilengedwe chakunja.Kuthekera kwa kunja kwa kunja sikungakhudzidwe ndi fumbi, chinyezi, nyama yaing'ono, condensation ndi contamination.The mankhwala ali ndi ubwino zambiri, monga mkulu dielectric mphamvu, amphamvu nyengo kukana ntchito, kamodzi-ciecuit miniaturization, zolimba dongosolo, mkulu kudalirika ndi kukonza kwaulere.
