Zombini izixhobo zombane ze-din rail kunye nezombane zokutshintsha zizixhobo zokuguqula umbane, kodwa zahlukile kakhulu kuyilo, ukusebenza kunye nokusetyenziswa.
Umbane we-din rail uguqula i-input alternating current ibe yi-direct current enobunzulu obuncitshisiweyo ngokusebenzisa iisekethe ezifana nokulungiswa, ukucoca kunye nokulawulwa kwe-voltage.