Floor-standing fan EHN

IP55centrifugalcooling

Properties • flow rates up to 21,000 m³/h • size: 200 - 630 mm (impeller diameter) • casing made of galvanised sheet steel • casing position: LG or RD • IEC standard motor, IP55, thermal class F • backward 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 EHN ... types are produced with backward curved blades made entirely of aluminium. The inlet cones made of galvanised sheet steel 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.