MBD 355/2/2 TK

MBD 355/2/2 TK

MegaBox, 3 ph., Centrifugal fan, 2 speed for duct diameter 400

Ref.-No. 05948

Features

Acoustically insulated centrifugal fan with swing out motor and impeller unit with motor outside of air flow. Double skinned galvanised steel casing with 50 mm thick mineral fibreboard. Intake and exhaust spigots with twin-seal rubber gasket. Swing out motor and impeller unit for easy cleaning and maintenance including stable mounting rails with 4 anti-vibration mounts. High efficiency backward curved centrifugal impeller made from aluminium. Dynamically balanced to DIN 1940 and VDI 2060 class G 6.3. Totally enclosed, maintenance free 3-phase motor, two-speed (star/delta connection) with thermal contacts. Low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:05948
Type:MBD 355/2/2 TK
Flow rate free-blowing:5800 m³/h
Air noise level max. (LWA):94 dB(A)
Speed control:TRAFO / ELECTRIC / FREQUENCY
RPM:2840 / 2510 min-1
Number of poles:2 / 2
Voltage:400 / 400 V , 3 ph , 50 Hz
Rated current (FLC) uncontrolled:5 / 2.9 A
Nominal power:2.2 / 1.65 kW
Max. air flow temperature (controlled):60 °C
Max. air flow temperature (uncontrolled):100 °C
Sound insulated:
IP protection category:55
Insulation class:F
Connect diameter:400 mm
Weight:100 kg
Wiring diagram no.:520
Acoustic data
Sound in-duct 84 dB(A) in 1 m
Case breakout 66 dB(A) in 1 m