8:1 Ultra-Wide Input Non-Isolated POL Converters TRACO Power 8:1 Ultra-Wide Input Non-Isolated Point-of-Load (POL) Converters offer an 8 to 1, ultra-wide 9VDC to 72VDC input voltage range that covers a majority of the standard DC bus and battery voltages. These non-isolated POL converters deliver up to 94% efficiency and feature excellent line/load regulation with low standby current while providing protection against short circuits, overvoltage, and over-temperature.