The RSD-30H-12 is a 30W enclosed-type DC-DC reliable railway converter designed for demanding applications. It operates over a wide 4:1 input voltage range from 40VDC to 160VDC, delivering a regulated 12VDC output at up to 2.5A. Key features include a typical efficiency of 89%, 4KVDC input-output isolation, and a built-in constant current limiting circuit for overload protection. This converter is capable of working in temperatures from -40°C to +70°C and is compliant with EN50155 railway standards. Common applications include bus, tram, metro systems, and other transportation or industrial systems requiring a robust power supply in harsh environments.