RECOM Power RMD500-EW DC-DC Converter offers an input voltage range of 50.4VDC to 137.5VDC, 21A maximum output current rating, and up to 95% efficiency. This converter features baseplate mounting that permits a wide operating temperature for OT4+ST1&ST2 class from -40°C to +85°C without derating. RMD500-EW converter has input reverse polarity protection, inrush current limitation, and 10ms hold-up time. RECOM Power RMD500-EW DC-DC Converter is suitable for railway rolling stock and transportation applications.