VS1-12 jerin m-hantimi na cikin gida injin kewayawa mai watsewa shine na cikin gida high-voltage switchgear don tsarin wutar lantarki mai mataki uku tare da ƙimar ƙarfin lantarki na 12kV da mitar 50 Hz.Ana amfani da shi azaman kariya da na'urar sarrafawa saboda injin da'ira.Fa'idodi na musamman sun dace musamman don ayyuka akai-akai waɗanda ke buƙatar ƙididdigewa na halin yanzu ko igiyoyin gajerun kewayawa da yawa.
VS1-24 jerin m-hantimi na cikin gida injin da'ira breakers ana kayyade saka, yafi amfani ga kafaffen switchgear.Za'a iya amfani da na'urar kashe wutar lantarki ita kaɗai ko a cikin wutar lantarki ta zobe, injin taswira ko tsarin samar da wutar lantarki daban-daban.