VARD 355/4/2

VARD 355/4/2

IN-LINE MIXED-FLOW FAN 355 MM 3 PH, POLE SWITCHING DAHLANDER

Ref.-No. 06779

Features

High pressure in-line mixed-flow fan, cylindrical duct with flanges on both ends, direct driven. Cylindrical pre-galvanised sheet-steel casing with a rolled flange at both ends Dimensions and flange fixing holes to DIN 24155, page 2. With guide vanes for improved performance. Mixed flow impeller with 8 spatially curved blades from galvanised steel. Dynamically balanced to class G 6.3 VDI 20060 and DIN ISO 1940. 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.:06779
Type:VARD 355/4/2
Flow rate free-blowing:7500 m³/h
Air noise level max. (LWA):95 dB(A)
Speed control:TRAFO / ELECTRIC
RPM:1465 / 2870 min-1
Number of poles:4 / 2
Voltage:400 / 400 V , 3 ph , 50 Hz
Rated current (FLC) uncontrolled:1.35 / 5.5 A
Nominal power:0.48 / 3.11 kW
Max. air flow temperature (uncontrolled):40 °C
IP protection category:55
Insulation class:F
PRODUCT_DETAILPAGE_wheel_diameter:355 mm
Weight:29 kg
Wiring diagram no.:471
Acoustic data
Sound in-duct 75 dB(A) in 4 m