MBD 400/4/4 TK

MBD 400/4/4 TK

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

Ref.-No. 05955

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.:05955
Type:MBD 400/4/4 TK
Flow rate free-blowing:3440 m³/h
Air noise level max. (LWA):78 dB(A)
Speed control:TRAFO / ELECTRIC / FREQUENCY
RPM:1180 / 1410 min-1
Number of poles:4
Voltage:400 / 400 V , 3 ph , 50 Hz
Rated current (FLC) uncontrolled:0.71 / 1 A
Nominal power:0.41 / 0.5 kW
Max. air flow temperature (controlled):60 °C
Max. air flow temperature (uncontrolled):100 °C
Sound insulated:
IP protection category:55
Connect diameter:400 mm
Weight:82 kg
Wiring diagram no.:520
Acoustic data
Sound in-duct 69 dB(A) in 1 m
Case breakout 50 dB(A) in 1 m