DKEX 250-4 rectangular duct fan

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. εx II 2G

• Certified according to ATEX
• Suitable for use in battery-charging rooms, fume cupboards and similar environments
• Integral thermistors (PTC *)
• Speed-controllable
• 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