HRFD 400/2/2

HRFD 400/2/2

Axial high performance fan with IEC-motor with IEC-motor, 2 speeds, star/delta

Ref.-No. 01474

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

Technical Data

General Information
Ref.-No.:01474
Type:HRFD 400/2/2
Flow rate free-blowing:8400 m³/h
Speed control:TRAFO / ELECTRIC
RPM:2890/2600 min-1
Number of poles:2 / 2
Voltage:400 / 400 V , 3 W , 50 / 50 ph
Rated current (FLC) uncontrolled:4.4/2.7 A
Nominal power:1920/1610 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):40 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:400
Weight:31.6 kg
Wiring diagram no.:520
Acoustic data
Case breakout 71 dB(A) in 4 m