Features

EC-centrifugal in-line fan with sound insulated, flat casing. Casing in extended design from galvanised sheet steel. Acoustically lined with abrasive resistant over 50 mm thick mineral fibreboard. Spigots on intake and exhaust with twin-seal rubber gaskets fit into standard ducts supplied as standard. Service friendly (cleaning) through swing out motor and impeller unit. Impeller: Energy saving centrifugal impeller with backward curved blades from high quality polymers. Dynamically balanced. Low-noise level. Operated by an energy-saving, speed-controlled EC external rotor motor with IP54 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.