This 750W AUC750 Step-Up Cooling Device from ACUPWR allows you to use your 220-240V/50 Hz motor in the United States and Canada on native 110-120V/60 Hz electrical power. The AUC750 is designed for heavy-duty motors like those found in refrigerators or other kitchen appliances, and it can temporarily operate at 120% of its stated wattage to help protect your equipment in the event of a power surge.