DKEX 250-4 Centrifugal (ATEX)

Product Code: 19964

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

Voltage
400
V

Frequency
50
Hz

Phase
3
~

Input power (P1)
900
W

Current
1.8
A

Max. airflow
0.66
m³/s

R.p.m.
1355
r.p.m.

Min. static back pressure
145
Pa

Weight
17.5
kg

Temperature data

Temperature range, ambient and duct
-60
°C

Protection / Classification

Insulation class
F

Enclosure class, motor
IP44
IP

Certificate
SP 12ATEX3165X

Default group

Sound pressure level at 3 m
58.9
dB