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WTDQ DZ47-63 C63 Kumena Inzira Ntoya (3P)
Imashini ntoya yamashanyarazi ni ibikoresho byamashanyarazi bikoreshwa mugucunga ibyagezweho kandi bikunze gukoreshwa murugo, mubucuruzi, ninganda. Umuyoboro wagenwe hamwe na pole numero ya 3P bivuga ubushobozi burenze urugero bwumuzenguruko wumuzunguruko, aribwo buryo ntarengwa bushobora kwihanganira mugihe umuyaga uri mukuzunguruka urenze umuyaga wagenwe.
3P bivuga uburyo bwo kumena inzitizi na fuse byahujwe kugirango bigire igice kigizwe na switch nyamukuru hamwe nibindi bikoresho birinda (fuse). Ubu bwoko bwumuzunguruko burashobora gutanga imikorere irinda umutekano kuko ntabwo igabanya umuzunguruko gusa, ahubwo ihita ihita mugihe habaye amakosa yo kurinda ibikoresho byamashanyarazi kwangirika kwinshi.