rail car. US $5000-$500000/ Set. 1 Set (Min. Order) CN Henan Province Modern Crane Co.,Perfect Transfer Cart 7 YRS. 93.3%. Contact Supplier. Step-down transformer control cabinet ground single-phase (three phase) AC 380V step-down to the individual (three phase) 36V safe voltage. The walking track (track trolley line feed) fed to give flat car, and then by car