Designed for UPS uninterruptible power supplies, frequency converter cabinets, electroplating rectifier power, machine-tool spindle drives, large air compressors, smelting auxiliary power, high-power PV rectification and energy-storage converter front-end rectification. Three-phase AC input rectified to DC, insulated metal baseplate, suitable for heavy-duty industrial power conversion and 24-hour non-stop operation; large heat-sink required. This model is rated 36A / 400V, a ultra-high-power class device suitable for low-voltage circuits.