Ma circuit breakers ndi zida zoyambira pamakina amagetsi, zomwe zimathandizira kuwongolera ma switch switch komanso chitetezo chodzidzimutsa. Amagwiritsidwa ntchito kwambiri pazochitika zonse, kuchokera ku magetsi apanyumba kupita ku ma gridi amphamvu kwambiri. Ntchito zawo zazikuluzikulu ndi chitetezo chochulukira / chachifupi / kutayikira, chitetezo cha zida, kukhazikika kwamagetsi, komanso kupewa moto ndi kugwedezeka kwamagetsi.
Kusintha kwakukulu / chitetezo cha nthambi m'mabokosi ogawa: Chitetezo chodziyimira pawokha pakuwunikira, zitsulo, zoziziritsa kukhosi, ndi mabwalo akhitchini / bafa; kuwonongeka kwamphamvu sikukhudza magetsi a nyumba yonse.
Chitetezo chotsalira (Mtengo wa Mtengo wa RCCB/ RCBO): Chitetezo ku kugwedezeka kwa magetsi m'malo achinyezi (zipinda zosambira, khitchini); chitetezo chachikulu cholowera kutayikira kumalimbitsa chitetezo chamunthu.
Kuzimitsidwa kwamagetsi panthawi yokonzanso/kukonza: Kuzimitsa pamanja kuti awone bwino mawaya ndi zida zamagetsi.
Kugawa kwakukulu kwa mphamvu ndi chitetezo cha nthambi m'ma workshops: Ma Frame circuit breakers (ACBs) amagwiritsidwa ntchito pamzere waukulu womwe ukubwera wa fakitale ndi mbali yotsika ya transformer;ma ma molded case circuit breakers (MCCBs)amagwiritsidwa ntchito pazigawo zamagetsi ndi kuwongolera magalimoto.
Chitetezo chagalimoto: Kuteteza mafani, mapampu, ma compressor, zida zamakina, ndi zina zambiri, kuti asachulukidwe, posungira, komanso kutayika kwa gawo.
Malo apadera: Zosaphulika (migodi ya malasha, zomera za mankhwala), kutentha kwakukulu / kusagwira kwa dzimbiri (zitsulo, kupanga zombo).
Dongosolo lachitetezo chamitundu ingapo: Kulumikizana kwa magawo atatu a switch yayikulu - zida zanthambi, kuwonetsetsa kudzipatula koyenera komanso kuchepetsa malo ozimitsa magetsi.