Features

Roof fan with EC-technolgy Aerodynamically designed casing from high-quality polypropylene in grey, diagonal exhaust flow. Operation range from -30° to +60°C. Built-in guide vanes for optimum efficiency. For horizontal installation. Mixed flow impeller from aluminium, motor-impeller-unit dynamically balanced. Electronic commutated, DC-external rotor motor with ball bearings for permanent operation. High efficiency also with controlled operation. Maintenance-free and radio suppressed. Stepless control with speed potentiometer P..10 (accessories). In connection with the universal control system EUR EC (accessories), the fan can be used for differential pressure-, differential temperature- or flow velocity regulation.