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Low pressure axial fans (duct installation)

HRFD 315/4/4

HRFD 315/4/4

High efficiency axial fan 3-ph., 2 speed, Y/?- motor air flow direction "B"

Ref.-No. 01462

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. 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 star/delta switching. Maintenance free, low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:01462
Type:HRFD 315/4/4
Flow rate free-blowing:1980 m³/h
RPM:1040/1280 min-1
Number of poles:4 / 4
Voltage:400 / 400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.11/0.22 A
Nominal power:56/87 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):60 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:315
Weight:10 kg
Wiring diagram no.:520
Acoustic data
Case breakout 50 dB(A) in 4 m