... 60Hz)2. Efficiency rate of up to 70% - results in cooler motor operation3. Thermoplastic motor housing, Class IP65 certified4. Maintenance-free ... the user up to 65 percent in energy usage for Light Commercial Ventilation Units, Bottle Coolers, Vending Machines, Ice Machines, ... business, Automobiles, Renewable Energy Equipment, etc. 0-10V variable speed beverage cooler EC fan motor for refrigerator