Technical Data; Aw-Ex Axial Fan Series - SystemAir AW 355 D4-2-EX Montage- Und Betriebsanleitung

5.3

Technical data

Temperature range [°C]
ambient and material
Voltage / current strength
Protection class
Sound pressure at [dB(A)]
Dimensions
Weight
Rotor diameter
Integrated posistor
(PTC ))
1
Table 4: Technical data of the EX fans
Positive temperature coeffi cient
1)
NOTE
Further technical data can be found in the data sheet of your EX fan.
5.4

AW-EX axial fan series

5.4.1 Types
AW 355 D4-2-EX
AW 420 D4-2-EX
AW 550 D6-2-EX
AW 650 D6-2-EX
5.4.2 Description
• Ignition protection class „Ex e" (increased safety)
• Motor protection by posistor in combination with a suitable motor protection device with EC test type certifi cation
•
2-phased operation thanks to D/Y switching
Fans of the AW-EX series have a voltage-variable external rotor motor with fi nished wire (65 cm). To make wall fi tting
possible, they have been attached to a square wall panel.
Housing and axial rotor are made of galvanised and powder-coated sheet steel (RAL9005).
The fans of the AW-EX series can be used for temperature classes T1, T2 and T3 AW-EX355 and 420 also T4). They
convey explosion-capable gases in Zone 1 and Zone 2 as well as groups IIA and IIB.
46
AW-EX AXCBF-EX
-20 °C ... +40 °C -20 °C ... max.
60 °C
3 m 3 m
62 ... 72 44 ... 82
AXC-EX RVK-EX
-20 °C ... max. -20 °C ... +40 °C -20 °C ... +40 °C
60 °C
see name plate
see name plate
3 m 3 m
47 ... 99 41
see data sheet
see name plate
see name plate
yes
DVEX
4 m/10 m
44...57/36...49