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DKEX 250-4 3-Phase rectangular duct fan (ATEX). 2,580m³/h

SKU: 19964

Availability: In stock

Excl. VAT: £817.88 Incl. VAT: £981.46


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DKEX 250-4 3-Phase rectangular duct fan (ATEX). 2,580m³/h

DKEX 250-4 Centrifugal (ATEX)

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  • DKEX 250-4 Centrifugal (ATEX)
  • DKEX 250-4 Centrifugal (ATEX)


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

Additional Information

Delivery This item is usually stocked overseas and takes about 2 weeks to deliver. If in UK deliverable in 3-4 days. Enquire on 01729 824108
Brand Systemair
Warranty 1 year manufacturers warranty (UK only)


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