Vacuum interrupter(VI) yeMedium-voltage(MV) Vacuum circuit-breaker(VCB) inonyanya kushandiswa kugadzira substation uye magetsi grid zvivako muchikamu chemagetsi maficha ehukuru hwekuchinjisa simba, yakakwirira insulating mazinga, yakasimba arc-kudzima kugona uye hupenyu hurefu, etc. Vacuum circuit breaker inofananidzwa nayo ine zvakanakira kugadzirisa zviri nyore, hapana njodzi yekuputika, hapana kusvibiswa uye yakaderera ruzha, nezvimwewo, uye inogona kushandiswa zvakanyanya mumagetsi emagetsi, mechanical, metallurgical, kemikari uye dhipatimendi remugodhi, nezvimwewo, kutonga nekudzivirira kutapurirana uye kugovera.