Menene Mai Kare Layi na Molded Case Circuit

Masu karya da'irar akwati da aka ƙera(MCCB) zai iya yanke wutar ta atomatik bayan wutar ta wuce saitin tafiya. Akwatin da aka ƙera yana nufin amfani da insulators na filastik a matsayin harsashin waje na na'urar don ware masu jagoranci da sassan ƙarfe da aka gina. Wutar da aka fi amfani da ita sune kamar haka: 16, 25, 30, 40, 50, 63, 80, 100, 125, 160, 200, 225, 250, 315, 350, 400, 500, 630A.
Ka'idar aiki:
Ana rufe manyan hanyoyin sadarwa na na'urar busar da wutar lantarki da hannu ko ta hanyar lantarki. Bayan an rufe manyan hanyoyin sadarwa, tsarin 'free tripping' yana kulle manyan hanyoyin sadarwa a matsayin da aka rufe. Ana haɗa na'urar busar da wutar lantarki da kuma na'urar busar da wutar lantarki a jere tare da babban da'irar, kuma na'urar busar da wutar lantarki ta ƙasa tana haɗe da wutar lantarki.
Idan aka samu ɗan gajeren da'ira ko kuma aka yi amfani da shi sosai a cikin da'irar, ana jawo armature na release overcurrent, wanda ke haifar da tsarin tursasawa kyauta kuma manyan hulɗar za su katse babban da'irar.
Idan da'irar ta cika da yawa, sinadarin zafi na sakin zafi zai yi zafi ya lanƙwasa zaren bimetallic, yana tura tsarin juyawa kyauta don aiki, kuma babban abin da ke hulɗa da shi zai katse babban da'irar.
Idan da'irar ba ta da ƙarfin lantarki, ana sakin armature na sakin wutar lantarki, wanda kuma ke kunna tsarin tuntuɓe kyauta kuma yana katse babban da'irar.
Idan aka danna maɓallin sakin shunt, ana jan armature na sakin shunt, tsarin juyawa kyauta yana aiki, kuma babban hulɗar yana katse babban da'irar.