Li-breaker tsa potoloho ea nyeoe e bōpiloeng(MCCB) ke disebediswa tse sireletsang tse sebediswang haholo ditsamaisong tsa kabo ya motlakase o tlase. Di sebediswa haholoholo ho fana ka tshireletso e feteletseng, ya potoloho e kgutshwane le e sa tsamaellaneng le motlakase bakeng sa mela le disebediswa, mme hape di na le mosebetsi wa ho arola mehlodi ya motlakase. Theko ya yona e susumetswa haholo ke mabaka a kang letshwao, hona jwale e lekantsweng, bokgoni ba ho robeha le tlhophiso ya tshebetso. Ka kakaretso, theko ya di-circuit breaker tsa lehae tse tlwaelehileng tse bopilweng e tloha ho 50 ho isa ho 1,000 yuan, tseo hara tsona dihlahiswa tse nang le bokgoni ba ka tlase ho 100A hangata di bitsang pakeng tsa 50 le 300 yuan. Theko ya di-specification tse kgolo tsa hona jwale (250A ho isa ho 800A) e ka ba 300 ho isa ho 3,000 yuan. Dihlahiswa tsa dihlahiswa tsa matjhaba tse kang Schneider Electric, ABB le Siemens di theko e boima haholo. Theko ya dihlahiswa tse ding tse bohlale e ka fihla ho dikete tse mmalwa tsa yuan.

Li-circuit breaker tse bōpiloeng li sebelisoa haholo-holo lifemeng tsa indasteri, mehahong ea khoebo, litsamaisong tsa kabo ea matla a bolulo, likhabote tsa kabo ea matla, litsamaisong tsa tlhahiso ea matla a photovoltaic le kaho ea meralo ea motheo, jj. Lefapheng la indasteri, e ka sebelisoa bakeng sa tšireletso ea lienjene tsa motlakase, lisebelisoa tsa tlhahiso le mela ea kabo. Lefapheng la kaho, hangata e sebelisoa e le switch e kholo kapa switch ea lekala la kabinete ea kabo ho netefatsa ts'ebetso e sireletsehileng le e tsitsitseng ea sistimi ea phepelo ea motlakase.