Product description for electric rail carriage The electric rail carriage, also called transfer carriage,rail handling carriage and electric transport carriage, is a kind of electric material handling equipment.Electric rail carriage characterized as simple structure, easy to maintain and operate heavy carrying capacity, be friendly to the environment, etc. Working principle for electric rail carriage This kind of electric rail carriage is powered by cable reel(cable drum) which is installed in the carriage. We are adopts the magnetic coupling cable reel, it can make sure that there is no force on the cable and the cable can be wound and released evenly (if the running distance is more than 50m, a cable arranger is needed to arrange the cable automatically. This electric rail carriage can application the working voltage from 220v-415v.