DC Circuit Breakers (DC MCB) siv sijhawm ntev heev yog li koj yuav tsum kuaj xyuas koj lwm yam kev xaiv ua ntej txiav txim siab tias qhov teeb meem no yog qhov yuam kev.Lub breaker yuav tsum tau hloov yog tias nws mus ncig yooj yim heev, tsis taug kev thaum nws yuav tsum, tsis tuaj yeem rov pib dua, kub rau qhov kov, lossis zoo li tsis hnov tsw hlawv....
Nyeem ntxiv