Olu tshintsho lwe-isolator lulungele ukusetyenziswa kwisekethe ye-AC 50Hz, umbane olinganisiweyo ukuya kuthi ga kwi-400V,
kwaye ngezantsi ireyithwe ngoku ukuya kuthi ga kwi-100A. Ziyimpawu zomyalelo ocacileyo we
isimo sokwaphuka, ixesha elide lokusebenzisa ubomi, kwaye lisetyenziselwa amandla angasebenzi rhoqo ekulayisheni.
Iyahambelana nemigangatho ye-IEC60947-3, GBI4048,3etc.