Sontuec Worder Watchler Circleker Yachigawo (MCCB) ndi chipangizo choteteza magetsi omwe amagwiritsa ntchito kuteteza mabwalo ndi zida zopitilira muyeso, mabwalo afupiafupi, ndi zolakwika zina zamagetsi. Ndizodalirika ndipo imatha kupirira zinthu zapamwamba poyerekeza ndi ophwanya simiyari otchuka (MCB). Zochita zowonongeka zakale zimagwiritsidwa ntchito m'mafakitale, kugwiritsa ntchito zamalonda, komanso zazikulu zomwe zimakhala ndi zomwe zili ndi zotsogola komanso zotsogola zapamwamba zimafunikira.
Zopangidwa kwambiri: zopangidwa kuti zikane mafakitale owopsa.
Kusinthasintha: Zosintha zosinthika zosinthika zimalola kutengera kusintha kwa ntchito zosiyanasiyana.
Kudalirika: kumapereka chitetezo chodalirika kwa mabwalo apamwamba kwambiri.
Chitetezo: chimapereka cholakwa msanga ngati cholakwa, kuchepetsa kuwonongeka ndi chiwopsezo cha moto.