Mtundu wa fuse wa mndandanda wa HR17BcholumikiziraNdi ntchito yonyamula katundu, yoyenera magetsi okwana 40A ~ 1600A, pali gulu limodzi, magulu awiri, magulu atatu, magulu anayi a mfundo. Ikhoza kuyikidwa pa busbar, ikhozanso kuyikidwa mu mbale yokhazikika; imapereka kapangidwe kapamwamba ndi kotsika kolowera ndi kutulutsa, ndi chipangizo choyambira cha mpeni ndi chipangizo chowongolera arc; ndipo chivundikiro cha switch chili ndi mabowo otseguka osadziwika bwino, switch yomangidwa mkati, switch yozindikira. Ikhoza kukhala chowunikira cha fuse chosankha, ingagwiritsidwenso ntchito ngati switch ya mpeni. switch yokhala ndi mawonekedwe okongola, yatsopano komanso yodulidwa, imakwaniritsa miyezo ya IEC60947-3, GB14048.3.