Kab lus no sib zog sib piv cov thev naus laus zis tseem ceeb thiab kev siv cov xwm txheej ntawm Circuit Court breakers ntawm peb lub npe loj thoob ntiaj teb: Schneider, Siemens, thiab ABB. Los ntawm kev txheeb xyuas cov koob npe nrov xws li Masterpact MTZ, Compact NSX (Schneider), 3WL, 3VA (Siemens), thiab Emax 2, Tmax XT DC (ABB), qhov zoo ntawm txhua lub hom tau nthuav tawm los ntawm peb qhov ntev: kev tsis sib haum xeeb, kev ua haujlwm zoo, thiab cov ntawv thov raug: Schneider yog qhov zoo ntawm kev sib koom ua ke ntawm cov qauv siv digital thiab kev ua haujlwm siab. kev ua tau zoo, thiab ABB tau ua tiav hauv kev txawj ntse algorithms thiab DC thev naus laus zis. Txoj kev tshawb no tau taw qhia tias peb lub npe tseem ceeb tau txhawb nqa kev hloov pauv ntawm cov hluav taws xob hluav taws xob mus rau kev sib koom ua ke ntau dua, kev hloov pauv ib puag ncig, thiab kev txawj ntse los ntawm kev sib koom ua ke ntawm Is Taws Nem ntawm Yam, cov khoom siv tshiab, thiab kev hloov kho hluav taws xob, muab cov kev daws teeb meem rau kev siv hluav taws xob tshiab thiab cov kev xav tau ntawm cov phiaj xwm nyuaj.