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Low pressure axial fans (wall installation)

HQD 250/4/2

HQD 250/4/2

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

Ref.-No. 01128

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 blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. 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.:01128
Type:HQD 250/4/2
Flow rate free-blowing:2110 m³/h
RPM:1430/2770 min-1
Number of poles:4 / 2
Voltage:400 / 400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.16/0.43 A
Nominal power:58/212 W
Max. air flow temperature (uncontrolled):60 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:250
Weight:8.5 kg
Wiring diagram no.:472
Acoustic data
Case breakout 55 dB(A) in 4 m