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Low pressure axial fans (wall installation)

HWW 250/4

HWW 250/4

High efficiency axial fan 1-ph., 230 V, 50 Hz, TK with safety guard, controllable

Ref.-No. 01001

Features

Circular plate high efficiency axial fan with inlet cone, directly driven. Circular mounting plate with drawn bell mouth inlet in galvanised sheet steel and finished with two coats of papyrus white paint. Motor with terminal box and motor side guard. 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.:01001
Type:HWW 250/4
Flow rate free-blowing:930 m³/h
Speed control:TRAFO / ELECTRIC
RPM:1300 min-1
Number of poles:4
Voltage:230 V , 1 W , 50 ph
Rated current (FLC) uncontrolled:0.15 A
Nominal power:36 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:8.5 kg
Wiring diagram no.:439
Acoustic data
Case breakout 44 dB(A) in 4 m