Iyi isolator switch yakakodzera kushandiswa mudunhu re AC 50Hz, yakayerwa voltage kusvika ku400V,
uye pazasi yakayerwa ikozvino kusvika ku100A. Iwo hunhu hwekunyorerwa pachena kwe
kutyora chimiro, kushandisa hupenyu kwenguva refu, uye kushandiswa kwesimba risingawanzo shanda mukurodha.
Iyo inoenderana nezviyero zveIEC60947-3, GBI4048,3 nezvimwe.