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Low pressure axial fans (wall installation)

HQD 250/4

HQD 250/4

High efficiency axial fan 3-ph., 400 V, 50 Hz, TK speed controllable, with guard

Ref.-No. 01115

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 with built-in thermal contacts, maintenance-free, speed controllable by voltage reduction, with low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:01115
Type:HQD 250/4
Flow rate free-blowing:950 m³/h
Speed control:TRAFO / FREQUENCY
RPM:1390 min-1
Number of poles:4
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.15 A
Nominal power:55 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):60 °C
IP protection category:54
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:250
Weight:6.5 kg
Wiring diagram no.:469
Acoustic data
Case breakout 44 dB(A) in 4 m