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Three-phase version - Axial inline fan, in three-phase version.short description - Tube sleeve made of galvanised sheet steel, with flange on both sides. - 8-blade impellers made of glass fibre reinforced polyamide. - Flange holes in accordance with DIN EN 12220:1998 - To prevent vibration transmission to the duct system: Use elastic connecting pieces, feet and vibration dampers. - Fans fulfil the requirements of the European Ecodesign Regulation (EC) No. 327/2011 Directive 2009/125/EC. - Vibration-free operation due to dynamically balanced impeller and motor (shaft-rotor), in accordance with quality level 6.3, DIN ISO 1940, Part 1 - High efficiency on the ventilation side, low operating noise. - Increased durability thanks to high-quality materials such as low-noise ball bearings. - Fans are maintenance-free. - Can be installed in any position.flow direction - The flow direction is labelled. - Standard exhaust air operation, airflow direction via motor suction.three-phase motor - DZR series. - Asynchronous motor. - Not suitable for conveying water vapour-saturated air. - Rated voltage 400 V, 50 Hz. - High degree of protection IP 55. exception DZR ... D IP 54 - Speed controllable. Exception for type DZR 40/2 B. - Appliances can be switched in stages with an optional 5-step transformer. - Reversible. - Reversible operation: The volume flow is reduced by approx. 35 % if the direction of flow is abnormal. - Thermal overload protection as standard. Exception for type DZR 25/4 D and pole-changing axial tube fans available on request. - The connections are potential-free on terminals and must be connected to a full motor protection switch e.g. MV 25-1 or the control circuit of a contactor. - Pole-changing fans: Ensure overload protection with a full motor protection switch to be procured on site.Electrical connection - External terminal box with cable grommets.Safety instructions - The fan may only be put into operation if the contact protection of the impeller is guaranteed in accordance with DIN EN ISO 13857, e.g. with Maico protective grille SG.Article:DZR 30/4 B - Flow rate: 1800 m3/h - Speed: 1425 1/min - Impeller type: axial - Speed controllable: yes - Reversible: yes - Voltage type: three-phase current - Rated voltage: 400 V - Mains frequency: 50 Hz - Rated power: 80 W - INenn: 0.3 A - IMax: 0.33 A - Protection class: IP 55 - Thermal class: B - Pole-changing: no - Mains cable: 7 / 1.5 mm2 - Installation position: horizontal / vertical - Material: Sheet steel, galvanised - Colour: silver - Weight: 8.49 kg - Weight with packaging: 9.3 kg - Nominal diameter: 300 mm - Width: 380 mm - Height: 424 mm - Depth: 300 mm - Width with packaging: 520 mm - Height with packaging: 430 mm - Depth with packaging: 330 mm - Conveying medium temperature at nominal current: 60 °C - Conveying medium temperature at IMax: -20 °C to 60 °C - DC motor: false
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