Uru ngwaahịa

1. The shei etiti nwere a elu 1P + N okpukpu abụọ breakpoint (18 modulus 40a) na a elu na-agbaji ikike (6ka)
2.Ọ nwere ọnọdụ kọntaktị na-egosi windo ma nwee nchekwa dị elu.
3.current-limiting contact system magnetik fụọ arc extinguishing ngwaọrụ. zere ngwaahịa na akụrụngwa iji nagide nnukwu mkpirisi mkpirisi ugbu a, melite arc extinguishing ngwaahịa ike iji hụ na nkwalite nke imebi ikike.
4. A na-eme ka shei na igodo ọrụ nke PA nylon na-ebubata ya na nnukwu ọkụ ọkụ, nnukwu okpomọkụ na-eguzogide na mmetụta nkwụsị.
5. Ọdịdị ya bụ akwụkwọ akụkọ, nhazi ya bụ ihe ezi uche dị na ya, ma nwee ọtụtụ nchebe patent.
6. Ngwaahịa ọ bụghị naanị nwere oke ibu, obere sekit, ọrụ nchebe ntanye.