CuNi2 resistance alloy ndi mtundu wa copper nickel binary alloy.Imakhala ndi kutentha kocheperako komanso kutentha kwake kokwanira ndi 250 ° C.Aloyiyi imagwiritsidwa ntchito makamaka popanga otsika ma voltage circuit breaker, bulangeti lamagetsi lotsika kutentha, cutout yotentha ndi zida zina zamagetsi zotsika.Ndipo amagwiritsidwanso ntchito popanga kutenthachingwekwa bulangeti yamagetsi yakunyumba.