AW 420 D4-2-EX Explosion Proof Axial Fan - ATEX

AW 420 D4-2-EX Explosion Proof Axial Fan - ATEX

The AW - EX fans have speed controllable external rotor motors. The fans have a square plate for wall mounting and are painted in standard black. The casing and impeller is manufactured from sheet steel. To protect the motor from overheating, integral thermistors are fitted with external leads which must be connected to the U-EK230E motor protection relay.

• Certified according to ATEX
• Speed-controllable
• Integral thermal contact
• Explosion proof
The AW-Ex fan motor is approved according to ATEX. Useful for Zone 1 and 2; temperature class T1, T2, or T3. Ignition protection "e".

Technical parameters
Nominal data
Voltage (Nominal) 400 V
Frequency 50 Hz
Phase(s) 3~
Input power 536 W
Input current 0.943 A
Impeller speed 1,269 r.p.m.
Air flow max 1.295 m³/s
Temperature of transported air max 40 °C
Max temperature of transported air, when speed controlled 40 °C

Sound Data
Sound pressure level at 3m (20m² Sabin) 69 dB(A)

Protection/Classification
Enclosure class, motor IP44
Insulation class F
Explosion proof marking II 2G c Ex e IIB T4
Certificate ZELM 05ATEX0279X

Data according to ErP
ErP ready Not ErP relevant
Controller and Sensors
Ambient and duct temperature -20 to 40 °C

Dimensions and weights
Weight 11.8 kg

Others
Motor type AC