Helios Ventilatoren 3376 Duct extractor fan 400 V 32000 m³/h 630 mm

Fan with direct drive, air delivery direction from the impeller pressing via the motor. Suitable for horizontal and vertical installation positions. Installation possible under normal weather conditions and with the site-side protection from weather influences in the open. The penetration of rain water is impossible. Cylindrical tube as fan housing, made from steel plate with flange shaped on both sides, hole pattern according to DIN 24155 sheet 3. Flow-optimized guide wheel made of steel plate, installed for increasing the pressure, for highest efficiency and maximum increase of efficiency. Surface protection by powder coating in RAL 7015 (color: Grey). Housing terminal box made of plastic with customer-side cable screwing, on the outside of the fan housing mounted on a separate holder. Axial impeller with ten aerodynamically profiled blades made of aluminum casting. Impeller is attached directly on motor shaft. Vibration-free operation thanks to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Bucket can be adjusted continuously at a standstill. Three-phase current - standard motor, protection class IP 55, arranged directly in the air flow, PTC thermistor as a coil protection as standard.

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