ACUPWR AUC-550 550-Watt 110-120 Volts/60 Hz to 220-240 Volts/50 Hz Step Up Voltage Transformer/Converter for Regrigerators/Coolers/Freezers Refrigeration/cooler/freezer model converts voltage from 110-120 volts to 220-240 volts and keeps motor at RPM equivalent of 50 Hz Made for models with up to 15 cubic feet and 750-watt loads; ideal for Sub-Zero and Viking models Features Type B plug and Schuko Type F receptacle Rated for 550 watts of power output but can handle up to 20-percent beyond stated rating, and features thermal protection for automatic shutdown when overloaded Made in the US using premium components; comes with lifetime warranty plus up to $10,000 damage coverage