MCB (miniature sekit breaker) ngwa nchọpụta ndụ eletrik bụ ngwaọrụ nyocha ọkachamara emebere maka ngwa eletriki dị ka MCB, RCCB (nke na-arụ ọrụ sekit nke na-arụ ọrụ ugbu a), RCBO (nke na-arụ ọrụ sekit nke na-arụ ọrụ ugbu a na nchebe overcurrent), wdg. Ọrụ ya gụnyere:
1. Ntinye ntinye ngwa ngwa 380V ± 10%, 50Hz; ±1Hz;
2. Ngwaahịa na ụdị shei dị iche iche nwere ike iji aka gbanwee ma ọ bụ gbanwee ya na otu pịa ma ọ bụ koodu nyocha; Ịgbanwe n'etiti ngwaahịa nke nkọwapụta dị iche iche chọrọ ngbanwe/nhazi nke ebu ma ọ bụ ihe ndozi.
3. Ụzọ nyocha: njide akwụkwọ ntuziaka, nyocha akpaka.
4. Enwere ike ịhazi ihe nleba anya nke ngwa ngwa dịka ụdị ngwaahịa.
5. Akụrụngwa nwere ọrụ ngosi ngosi dị ka mkpu mmejọ na nlekota nrụgide.
6. Enwere sistemụ arụmọrụ abụọ: ụdị China na ụdị Bekee.
7. A na-ebubata ngwa ngwa niile sitere na Italy, Sweden, Germany, Japan, United States, Taiwan, China na obodo na mpaghara ndị ọzọ.
8. Enwere ike ịkwado ngwaọrụ ahụ na ọrụ ndị dị ka "Smart Energy Analysis and Energy Management System" na "Intelligent Equipment Service Big Data Cloud Platform".
9. Inwe ikike ọgụgụ isi nke onwe na nke nwe.