URF1D_HB-250WR3 series is a high-performance product specifically designed for a variety of railway applications. The DC-DC converters feature 250W output power with no requirement for minimum load, wide input voltage from 40-160VDC, and allowing operating temperature as high as 105℃. Additional product features include input under-voltage protection, output over-voltage, short-circuit, over-current and over-temperature protection, remote On/Off control, remote sense compensation, output voltage trim adjustment. The products meet EN50155 railway standards and are widely used in the centralized lighting, air conditioning and related in on-board equipment.