Ma fuse a square body ndi njira yabwino kwambiri yogwiritsira ntchito zomwe zimafuna kapangidwe kakang'ono komanso magwiridwe antchito abwino kwambiri. Ma fuse a square body ali ndi njira zosiyanasiyana zoyikira, kalembedwe ka flush-end kakhala kachitidwe ka fuse yothamanga kwambiri komanso yotchuka chifukwa cha kusinthasintha kwake koyika. Kalembedwe aka kamasankhidwanso chifukwa mphamvu yonyamulira yomwe ilipo ndi yogwira ntchito kwambiri kuposa mitundu yonse ya fuse.
Fuse ya mndandanda wa 580M imapangidwa m'nyumba 100%, yokhala ndi mawonekedwe oteteza a aR, ndipo imagwiritsidwa ntchito kuteteza makina amagetsi ku overload ndi short-circuit. Mndandanda wazinthuzi ndi wofanana ndi mtundu womwewo wazinthu: 170M, RSF, RS4, RS8, RSH, RSG, RST, ndi RSM. Imasunga mawonekedwe ofanana amagetsi monga fuse yakunja ndipo imatha kusinthana miyeso yoyika. Ndi chimodzi mwazinthu zofunika kwambiri zomwe gridi yamagetsi yaku China ingathe kupangira malo.