Features

EC Centrifugal fan with sound-absorbing casing. Casing made from galvanised sheet steel with spigots which fit standard duct sizes. Acoustically lined with abrasive resistant 50 mm thick mineral fibreboard. Removable lid. Easy access to motor scroll and impeller set. Motor and impeller retractable. Impeller: Energy-saving forward curved centrifugal impeller, housed within an aerodynamically shaped scroll from galvanised sheet steel. Dynamically balanced for low noise operation. Operated by an energy-saving, speed-controlled EC external rotor motor with IP44 protection and maximum efficiency. Maintenance-free and radio interference-free, ball bearing mounted. Integrated electronic temperature monitoring for EC motor and electronics. Standard with internal potentiometer for setting any fan speed between min. and max. speed. Stepless speed control with external potentiometer or stepless speed control with universal control system EUR-EC. Connection via standard terminal box (IP54) mounted on extended cable.