XP Power PBL500 Medical AC-DC Power Supplies are Class II AC-DC switching power supplies in a 4″ x 7″ x 1.56″ package size. The power supplies deliver 450W to 500W of continuous power with forced air cooling or 250W with convection cooling. The units are constructed on a U-channel for mechanical support and heat sinking. A cover and fan assembly can be added during manufacturing. XP Power PBL500 Medical AC-DC Power Supplies are designed for medical applications, including those needing BF Class-rated insulation with an operating altitude of up to 5000m.