MBD 355/4/4 TK

MBD 355/4/4 TK

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

Ref.-No. 05947

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.:05947
Type:MBD 355/4/4 TK
Flow rate free-blowing:2850 m³/h
Speed control:TRAFO / ELECTRIC / FREQUENCY
RPM:1430/1240 min-1
Number of poles:4
Voltage:400 / 400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.63/0.45 A
Nominal power:300/260 W
Max. air flow temperature (controlled):60 °C
Max. air flow temperature (uncontrolled):100 °C
Sound insulated:
IP protection category:55
Connect diameter:400
Weight:73.5 kg
Wiring diagram no.:520
Acoustic data
Case breakout 42 dB(A) in 1 m