DKEX 250-4 Centrifugal (230V/3~) (ATEX)
Product Code: 19965
Details• Certified according to ATEX
• Suitable for use in battery-charging rooms, fume cupboards and similar environments
• Integral thermistors (PTC *)
• Speed-controllable
DKEX fans can be installed in any position, and their compact design makes them easy to install.
These fans have impellers with forward-curved blades and external rotor motors. The casing is manufactured from galvanised sheet steel with a copper inlet cone. To protect the motor from overheating, integral thermistors (PTC) are fitted with external leads which must be connected to the U-EK230E motor protection relay.
Explosion proof versions comply with EN 50014, 50019, EN 1127-1 and EN 13463-1. Improved safety in accordance with EEx e II T3. ?x II 2G
* Positive Temperature Coefficient
Nominal data
Frequency
50
Hz
Voltage
230
V
Phase
3
~
Input power (P1)
900
W
Current
3.1
A
Max. airflow
0.66
m³/s
R.p.m.
1355
r.p.m.
Min. static back pressure
145
Pa
Weight
15
kg
Temperature data
Temperature range, ambient and duct
-60
°C
Sound data
Sound pressure level at 3 m
58.9
dB
Protection / Classification
Insulation class
F
Enclosure class, motor
IP44
IP
Certificate
SP 12ATEX3165X
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