140-8104, MEAN WELL, MEAN WELL RSD-30 DC-DC Converter, 12V dc/ 2.5A Output, 18 → 72 V dc Input, 30W, Chassis Mount, +70°C Max Temp MEAN WELL RSD-30 DC-DC Converter, 12V dc/ 2.5A Output, 18 → 72 V dc Input, 30W, Chassis Mount, +70°C Max Temp