Systemair Revolution Fans -Max Air Flow 439m3/h
The Revolution range is simply a cut above the competition. Free running, double balanced axial impellor with matching guide veins, coupled to the powerful efficient German motors make these fans, more powerful and more efficient than any other fan in this class.
The EC version, uses state of the art EC technology. More powerful and over 50% more efficient than standard AC fans. No humming or buzzing at low speeds. These fans are the most efficient powerful duct fans of their size. They can be precisely controlled with an EC Controller.
The AC version offers greater air flow and performance under pressure than any other AC fans on the market. They can be controlled by Triac, Step transformers or frequency controller.