Iifusi zomzimba wesikwere zisisombululo esifanelekileyo kwiisicelo ezifuna uyilo oluncinci kunye nokusebenza okugqwesileyo kokuthembeka. Iifusi zomzimba wesikwere zineendlela ezahlukeneyo zokufakela, isitayile se-flush-end siye saba sisitayile se-fuse esikhawulezayo nesisebenzayo kakhulu ngenxa yokuguquguquka kokufakela. Esi sitayile sikwakhethwa kuba umthamo wangoku wokuthwala ngowona usebenzayo kuzo zonke iintlobo zefusi.
I-fuse yochungechunge lwe-580M yenziwe ngaphakathi kwi-100%, ineempawu zokukhusela ze-aR, kwaye isetyenziselwa ukukhusela inkqubo yamandla kwi-overload kunye ne-short-circuit. Olu luhlu lweemveliso lulingana nohlobo olufanayo lweemveliso: 170M, RSF, RS4, RS8, RSH, RSG, RST, kunye ne-RSM. Igcina iimpawu zokhuseleko zombane ezifanayo ne-fuse yangaphandle kwaye inokutshintshana ngemilinganiselo yokufakela. Yenye yezona zinto ziphambili igridi yamandla yaseTshayina enokuyenza ifumaneke kwindawo yayo.