A DC fuse mudziyo wakagadzirirwa kuchengetedza maseketi emagetsi kubva mukukuvadzwa kunokonzerwa nekuwanda kwezvino, kazhinji kunobva mukuremerwa kana kupfupika kwedunhu.Imhando yemagetsi ekuchengetedza mudziyo unoshandiswa muDC (yakananga ikozvino) masisitimu emagetsi ekudzivirira kubva kune overcurrent uye mapfupi maseketi.
Mafiyuzi eDC akafanana nemafuse eAC, asi akagadzirirwa kuti ashandiswe mumaseketi eDC.Iwo anowanzo kugadzirwa nesimbi inofambisa kana alloy iyo yakagadzirirwa kunyunguduka uye kukanganisa dunhu kana ikozvino yadarika imwe nhanho.Iyo fuse ine tambo yakatetepa kana waya iyo inoshanda seye conductive element, iyo inobatwa panzvimbo nerutsigiro chimiro uye yakavharirwa mune inodzivirira casing.Kana iyo ikozvino inoyerera kuburikidza nefuse inodarika kukosha kwakayerwa, iyo conductive element inopisa uye inozonyungudika, ichityora dunhu uye kukanganisa kuyerera kwezvino.
Mafizi eDC anoshandiswa mumhando dzakasiyana siyana dzekushandisa, zvinosanganisira mota nendege magetsi masisitimu, solar panel, mabhatiri masisitimu, uye mamwe maDC emagetsi masisitimu.Iwo chinhu chakakosha chekuchengetedza chinobatsira kudzivirira pamoto wemagetsi uye dzimwe njodzi.