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Low pressure axial fans (wall installation)

HQD 400/4/2

HQD 400/4/2

High efficiency axial fan 3-ph., pole-switching, Dahlander windings with safety guard guard

Ref.-No. 01139

Features

Square plate high efficiency axial fan with inlet cone, directly driven. Square mounting plate with drawn bell mouth inlet and duct in galvanised sheet-steel and finished with two coats of paint. Highly efficient, profiled impeller with 7 blades, dynamically balanced (Class G 6.3 to VDI 2060) and manufactured from impact resistant polymers. Suitable for -30°C to +60°C. Totally enclosed, 3-phase squirrel cage motor, 2-speed (pole switching with Dahlander windings). Maintenance free with low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:01139
Type:HQD 400/4/2
Flow rate free-blowing:8540 m³/h
RPM:1483/2940 min-1
Number of poles:4 / 2
Voltage:400 / 400 V , 3 W , 50 / 50 ph
Rated current (FLC) uncontrolled:1.12/4.03 A
Nominal power:285/1965 W
Max. air flow temperature (uncontrolled):40 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:400
Weight:23 kg
Wiring diagram no.:472
Acoustic data
Case breakout 71 dB(A) in 4 m