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Low pressure axial fans (duct installation)

HRFD 630/12/6

HRFD 630/12/6

High efficiency axial fan 3-ph., pole-switching, Dahlander windings air flow direction "B"

Ref.-No. 00410

Features

High efficiency axial fan with cylindrical duct with flanges on both ends, directly driven. Cylindrical duct in galvanised sheet steel covering impeller with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. Terminal box on outer casing. High efficiency impeller with 7 blades from impact resistant polymers, hub made from galvanised steel. Dynamically balanced to class G 6.3 VDI 2060. 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.:00410
Type:HRFD 630/12/6
Flow rate free-blowing:10470 m³/h
RPM:440/935 min-1
Number of poles:12 / 6
Voltage:400 / 400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.6/1.13 A
Nominal power:140/430 W
Max. air flow temperature (uncontrolled):60 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:630
Weight:35 kg
Wiring diagram no.:472
Acoustic data
Case breakout 55 dB(A) in 4 m