EC shaded-pole motor are designed with advanced electronic control unit. The electronic control technology increase the motor efficiency greatly, while it maintains the similar external dimensions as the original YZF Shaded-pole motor. The accessories such as grid, fan blades, flange and bracket are the same as original YZF series, therefore EC motor could completely replace YZF series without any changes. Compare with previous products, EC motor could be 70% more efficient, reduce the electric consumption greatly. Meanwhile, with help from electric control technology, the heating of EC motor it self is very low, it could help the entire refrigeration system works more efficient and stable.