MINMAX Railway DC-DC Converter family with power ranging from 10 to 75W which are designed to meet stringent requirements and harsh environment testing which is specifically design for railway applications. Railway approval DC-DC converter family available for railway input voltage with 24V, 48V, 72V, 110VDC and tight regulation for 5V, 12V, 15V, 24 VDC output voltage. In accordance to EN50155 approval, railway DC-DC Converter family conform to railway input voltage range and transient requirement, vibration and thermal shock test meets EN61373, cooling, dry and damp heat test meets IEC/EN 60068-2, railway EMC standard EN50121-3-2 and complies also with railway approval EN50155 (IEC60571). Advanced circuit topology provides a very high efficiency up to 92% which allow baseplate temperature up to 105? and very high I/O isolation up to 3000VAC with reinforced insulation. Further features include overload, overvoltage, short circuit protection, remote ON/OFF, output trim, output sensing and complies specifically fire protection test meets EN45545-2 in order to ensure system safety.