Ma voliyumu ovotera a vacuum interrupter kwa otsika voltage wosweka ndi ≤ 1500 V, omwe amagwiritsidwa ntchito makamaka m'magawo apadera ofunikira ndi zofunika kwambiri, monga: Pakugawidwa kwamagetsi amphepo ndi kupanga magetsi adzuwa, zomwe zimafunikira kugwira ntchito pafupipafupi komanso ntchito yayitali kwambiri. moyo;M'minda yamankhwala ndi migodi, imayenera kukhala ndi chitetezo ndi ntchito zosaphulika;Pankhani ya zombo zapamadzi, pamafunika kukhala ndi luso lotha kuswa mphamvu nthawi zambiri.Chosinthira mpweya chomwe chimagwiritsidwa ntchito kwambiri m'magawo awa sichingakwaniritse zofunikira, ndipo chopukutira chamagetsi chotsika chamagetsi ndiye chisankho chabwino kwambiri.