Ike dị elu na-ekpo oke ọkụ KW bimetal thermal echebe
Anyị na-ebunye ihe nchekwa ọkụ dị iche iche dị, gụnyere bimetallic, thermistor, na ihe nchekwa ọkụ ọkụ. Ndị na-echebe Bimetallic nwere ọla abụọ dị iche iche nwere ọnụọgụ dị iche iche nke mgbasawanye thermal, nke na-ehulata na ọnụego dị iche iche mgbe ọkụ. Ndị na-echebe thermistor na-eji thermistor, nke bụ ihe mgbochi na-agbanwe nguzogide ya na okpomọkụ. Ndị na-echebe fuse thermal na-eji ihe fuse nke na-agbaze n'otu okpomọkụ, na-emeghe sekit eletrik.
Ihe nchekwa ọkụ bụ ngwaọrụ nchekwa eletrik nke a na-eji egbochi oke ọkụ nke akụrụngwa eletrik, dị ka moto ma ọ bụ mgbanwe. Ọ na-abụkarị obere mgba ọkụ na-enwe mmetụta okpomọkụ nke emebere iji mepee ma mebie sekit eletriki mgbe okpomọkụ nke ngwaọrụ ahụ ruru ọkwa ụfọdụ. Nke a na-enyere aka igbochi ngwaọrụ ahụ imebi n'ihi oke okpomọkụ.