Alloy nickel ọla kọpa nwere obere nguzogide eletriki, ezigbo nguzogide okpomọkụ na nguzogide nchara, dị mfe nhazi na ịgbado ọkụ.
A na-eji ya emepụta ihe ndị dị mkpa dị na relay thermal overload, thermal circuit breaker dị ala, na ngwa eletriki. Ọ bụkwa ihe dị mkpa maka waya ọkụ eletrik.

Ngwa:
Enwere ike iji ya mee ihe na-ekpo ọkụ eletrik na ngwaọrụ voltaji dị ala, dị ka relay overload thermal, breaker sekit dị ala voltaji, na ihe ndị ọzọ.

Oke nha nha:
Waya: 0.05-10mm
Ribọn: 0.05*0.2-2.0*6.0mm
Eriri: 0.05*5.0-5.0*250mm
Usoro CuNi:CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44.
Aha ya bụkwa NC003, NC005, NC010, NC012, NC015, NC020, NC025, NC030, NC035, NC040, NC050.