VDD 400/4

VDD 400/4

Centrifugal roof fan, vertical discharge 3-PH,400V,4-pole, AC, speed controllable

Ref.-No. 07342

Features

Centrifugal roof fan with vertical discharge, with efficiency optimized aluminium casing and new developed high performance centrifugal impeller Casing from seawater-resistant aluminium with integrated protection guard. Motor support and base plate with inlet cone from galvanised steel. Base plate with threaded bolts for connection of intake air accessories (hole pattern to DIN 24155, page 3). Bird guard according to DIN EN ISO 13857 on the outlet as standard. High efficiency backward curved centrifugal impeller made from polymers. Dynamically balanced to DIN ISO 1940-1. Speed controllable, totally enclosed, three phase external rotor motor, protection to IP 54. Ball bearing mounted with impregnated windings. Maintenance free and radio suppressed.

Technical Data

General Information
Ref.-No.:07342
Type:VDD 400/4
Flow rate free-blowing:5590 m³/h
Speed control:TRAFO / FREQUENCY
RPM:1375 min-1
Number of poles:4
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:1.55/1.62 A
Nominal power:765 W
Max. air flow temperature (controlled):55 °C
Max. air flow temperature (uncontrolled):60 °C
IP protection category:54
Insulation class:F
PRODUCT_DETAILPAGE_wheel_diameter:400
Weight:28 kg
Wiring diagram no.:1129
Acoustic data
Case breakout 54 dB(A) in 4 m