MEAN WELL RQB60W12 Quarter-Brick Railway DC-DC Converters are encapsulated modules with a 12:1 ultra-wide input range of 14VDC to 160VDC, which covers the mainstream nominal voltages of global railway systems. These 60W units offer 5V / 12V / 24V / 48V / 54V single-output voltage, -40°C to +90°C operating temperature range, 2KVAC or 3KVDC input/output isolation, and full protections (overtemperature, overvoltage, overload, input undervoltage, and short-circuit). Additional features include international standard pins, high efficiency of up to 91.5%, EN 50155 compliance, and EN 45545-2 compliance with external circuits. MEAN WELL RQB60W12 Quarter-Brick Railway DC-DC Converters are ideal for bus, tram, metro, and railway systems, as well as telecom/datacom systems, wireless networks, and harsh environments, including vibrating, dusty, and extreme temperatures.