VS1-12 fa'asologa fa'amaufa'ailoga fa'amaufa'ailoga vacuum vacuum vacuum vacuum i totonu o se fa'aoga eletise maualuga i totonu mo le tolu-vaega eletise fa'atasi ai ma le fua fa'atatau o le 12kV ma le tele o le 50 Hz.E fa'aaogaina e fai ma puipuiga ma fa'atonu mea faigaluega ona o le vacuum circuit breaker.O fa'amanuiaga fa'apitoa e fa'apitoa mo fa'agaioiga masani e mana'omia ai le fa'avasegaina o le taimi nei po'o le tele o ala pupuu.
VS1-24 fa'asologa fa'amaufa'ailoga fa'amaufa'ailoga vacuum vacuum vacuum vacuum i totonu o lo'o fa'apipi'iina fa'amau, fa'aaoga tele mo sui fa'amau.E mafai ona fa'aogaina le va'ava'a fa'atasi po'o le fa'aogaina o le paoa mama, pusa transformer po'o le tele o fa'aoga e leai se paoa.