AMD 900/8/4 7,5/29,5 kW

AMD 900/8/4 7,5/29,5 kW

Medium pressure axial fan 3-PH 400V 50 Hz pole switching Dahlander

Ref.-No. 03331

Features

Fan with direct drive, air flow direction B = pushing air over the motor. Suitable for horizontal and vertical installation. Installation outdoors under normal weather conditions and with on-site protection against effects of the weather possible. The penetration of rain water is to be excluded. Cylindrical casing as fan housing, made of sheet steel with flange formed on both sides, hole pattern according to DIN 24155 sheet 3. Flow-optimised guide wheel made of sheet steel, installed for pressure boosting, for highest performance and maximum efficiency. Surface protection by hot-dip galvanising. Plastic casing terminal box with customer-side cable gland, attached to the outside of the fan casing on a separate holder. Axial impeller with ten aerodynamically profiled blades from aluminium alloy. Impeller mounted directly on the motor shaft. Dynamically balanced to DIN ISO 1940-1, class 6.3 for low-vibration operation. The blades are adjustable at standstill. 3-phase AC standard motor, protection to IP 55, arranged directly in the air flow, standard winding protection by means of PTC.

Technical Data

General Information
Ref.-No.:03331
Type:AMD 900/8/4 7,5/29,5 kW
Flow rate free-blowing:73478 m³/h
RPM:720 / 1470 min-1
Number of poles:8 / 4
Voltage:400 / 400 V , 3 ph , 50 Hz
Rated current (FLC) uncontrolled:18.9 / 54.7 A
Nominal power:7.5 / 29 kW
Max. air flow temperature:60 °C
IP protection category:55
PRODUCT_DETAILPAGE_wheel_diameter:905 mm
Weight:440 kg
Wiring diagram no.:777