SUNON´S EC Axial Fan is a high-efficiency, brushless DC motor which is driven directly from an AC power supply. With only 4.4W, it reduces the power consumption by approximately 80% compared with the conventional AC Fans and by up to 35% compared to other competitor EC fans. It is dedicated to refrigerators, freezers, wine chillers, and any commercial refrigeration equipment. As an option, they are available with IP68 water and dust protection.EC (Electronic Commutation) technology is based on a DC motor that has an integrated AC to DC converter. Furthermore to lower power consumption, 70% less than with an AC shade pole motor, it also provides multi-speed control as well as a very low acoustic level, an excellent motor life, and high compactness.