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Low pressure axial fans (duct installation)

HRFW 355/4

HRFW 355/4

High efficiency axial fan 1-ph., 230 V, 50 Hz, TK speed controllable

Ref.-No. 00205

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, AC condenser motor, with built-in thermal contacts. Speed controllable by voltage reduction. Maintenance free with low-noise sealed for life ball bearings. Reversible.

Technical Data

General Information
Ref.-No.:00205
Type:HRFW 355/4
Flow rate free-blowing:2850 m³/h
Speed control:TRAFO / ELECTRIC
RPM:1345 min-1
Number of poles:4
Voltage:230 V , 1 W , 50 ph
Rated current (FLC) uncontrolled:0.6 A
Nominal power:130 W
Max. air flow temperature (uncontrolled):40 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:355
Weight:14 kg
Wiring diagram no.:965
Acoustic data
Case breakout 51 dB(A) in 4 m