I-alloy ye-nickel ye-Copper inokumelana nombane okuphantsi, ukumelana nokushisa okulungileyo kunye nokunyanzeliswa kwe-corrosion, kulula ukusetyenzwa kunye ne-lead welded.Isetyenziselwa ukwenza amacandelo abalulekileyo kwi-thermal overload relay, i-thermal resistance resistanceumephuli wojikelezo, kunye nezixhobo zombane.Kwakhona yinto ebalulekileyo kwikhebula lokufudumeza kombane.