Phoenix Inverter VE.Direct NEMA GFCIProven reliability The full bridge plus toroidal transformer topology has proven its reliability over many years. The inverters are short circuit proof and protected against overheating, whether due to overload or high ambient temperature. High start up power Needed to start loads such as power converters for LED lamps, halogen lamps or electric tools. ECO mode When inECO mode, the inverter will switch to standby when the load decreases below a preset