SystemAir DVEX Series Installation And Operating Instructions

5.3 Technical data
AW-EX AXCBF-EX AXC-EX RVK-EX DVEX
Temperature range [°C]
ambient and material
-20 °C ... +40 °C -20 °C ... max.
60 °C
-20 °C ... max.
60 °C
-20 °C ... +40 °C -20 °C ... +40 °C
Voltage / current strength see name plate
Protection class see name plate
Sound pressure at [dB(A)] 3 m
62 ... 72
3 m
44 ... 82
3 m
47 ... 99
3 m
41
4 m/10 m
44...57/36...49
Dimensions see data sheet
Weight see name plate
Rotor diameter see name plate
Integrated posistor
(PTC
1
))
yes
Table 4: Technical data of the EX fans
1)
Positive temperature coefcient
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 certication
• 2-phased operation thanks to D/Y switching
Fans of the AW-EX series have a voltage-variable external rotor motor with nished wire (65 cm). To make wall 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

SystemAir DVEX Series Specifications

General

Brand	SystemAir
Model	DVEX Series
Category	Fan
Language	English