RDD 450/6 EX

RDD 450/6 EX

Centrifugal roof fan, horizontal discharge 3-PH,400V,6-pole Explosion-proof

Ref.-No. 07391

Features

Horizontal discharge roof fan with efficiency-optimised aluminium casing and newly developed high-performance centrifugal impeller, explosion-proof according to ATEX. Casing made of seawater-resistant aluminium with integrated anti-intrusion protection. Motor support plate and base plate made of galvanised steel with inlet nozzle made of aluminium. Base plate with threaded screw for fastening accessories on the intake side (hole pattern according to DIN 24155, sheet 3). Protective grille on the discharge side as standard according to DIN EN ISO 13857. High efficiency backward curved centrifugal impeller made from aluminium. Dynamically balanced to DIN ISO 1940-1. Totally enclosed speed controllable 3 ph. external rotor motor IP 44. Ball bearing mounted with moisture protection. Maintenance-free and interference-free. Explosion-proof version according to ATEX.

Technical Data

General Information
Ref.-No.:07391
Type:RDD 450/6 EX
Flow rate free-blowing:5630 m³/h
Speed control:TRAFO
RPM:870 min-1
Number of poles:6
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:0.95/0.95 A
Nominal power:470 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):40 °C
Explosion proof:
IP protection category:44
PRODUCT_DETAILPAGE_wheel_diameter:450
Weight:39 kg
Wiring diagram no.:1157
Acoustic data
Case breakout 54 dB(A) in 4 m