Copper nickel alloy, ine yakaderera electric resistance, yakanaka inodzivirira kupisa uye isingadzivirirwe nekuora, iri nyore kugadzirwa uye inotungamira yakakwenenzverwa.Iyo inoshandiswa kugadzira iyo yakakosha zvikamu mu thermal overload relay, yakaderera kupikisa thermal circuit breaker, uye midziyo yemagetsi.Ichowo chinhu chakakosha chemagetsi ekupisa tambo.Zvakafanana ne's type cupronickel.Kuwanda kweNickel,kunobva kwawedzera kuchena kwesirivha.