Floor-standing fan ERN

IP55centrifugalcooling

Properties • flow rates up to 11,000 m³/h • size: 200 - 450 mm (impeller diameter) • casing made of galvanised sheet steel • casing position: LG or RD • IEC standard motor, IP55, thermal class F • forward curved impellers • terminal box directly on motor, IP55 • motor protection through PTC thermistors Casing The casing is made of galvanised sheet steel. The side parts and the spiral plate are connected to each other by rivets. With size 200, the motors are flange-mounted directly. From size 225, the motors are mounted on a console. A plastic coating is available upon request. Impellers The impellers of the ERN... types with forward curved blades are manufactured from galvanised sheet steel. The inlet cones made of plastic are screwed into the casing. The impellers together with the impeller hub are dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11. Electrical connection The electrical connection is made through the terminal box on the motor in protection class IP55.