URF1D_FB-400(H)WR3 series is a high-performance product specifically designed for a variety of railway applications. The DC-DC converters feature 400W output power with no requirement for minimum load,wide input voltage from 66-160VDC, and allowing operating temperature as high as 100℃. Additional product features include input under-voltage protection,output over-current,over-voltage,short-circuit and over-temperature protection, remote On/Off control, remote sense compensation, output voltage trim adjustment. The products meet IEC/EN/UL62368/EN50155 standards and they are widely used in railway systems and associated equipment.