MBW EC 250

MBW EC 250

Megabox with EC-motor 1-PH 200-277V 50/60Hz controllable DN 250

Ref.-No. 05843

Features

Acoustically insulated EC-centrifugal fan with swing out motor and impeller unit and with motor out of the air stream. Acoustically lined double skinned galvanised steel casing with 30 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 2 sturdy mounting rails with 4 anti vibration mounts. Condensation drain and drip protection with the door opened as standard. Backward curved high output centrifugal impeller, made from galvanised steel, mounted directly to the motor shaft. High efficiency, low noise level. Dynamically balanced to DIN ISO 1940 Pt.1 - class 6.3. Energy-saving, speed controllable EC-internal rotor motor with highest efficiency, protection to IP 55. With ball bearings, maintenance-free and radio suppressed. Integrated electronic temperature monitoring for EC-motor and electronics. In the event that the maximum permitted motor temperature is exceeded an automatic speed reduction takes place. Stepless speed control with potentiometer or universal control system. Terminal box (IP 55) fitted externally on the motor.

Technical Data

General Information
Ref.-No.:05843
Type:MBW EC 250
Flow rate free-blowing:1900 m³/h
Air noise level max. (LWA):83 dB(A)
Speed control:ELECTRIC
RPM:3000 min-1
Voltage:230 V , 1 ph , 50 Hz
Rated current (FLC) uncontrolled:1.7 A
Max. air flow temperature (uncontrolled):100 °C
EC technology:
Sound insulated:
IP protection category:55
Insulation class:B
Connect diameter:250 mm
Weight:28 kg
Wiring diagram no.:985
Acoustic data
Sound in-duct 73 dB(A) in 1 m
Case breakout 56 dB(A) in 1 m