• Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h
  • Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h
  • Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h
  • Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h
  • Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h
  • Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h

Systemair DKEX 250-4 ATEX Rectangular Duct Fan – Explosion Proof, 230V, Forward-Curved Blades, Galvanised Steel, 2,580 m³/h

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Description
  • Explosion-Proof ATEX Certification: Fully compliant with EN 50014, 50019, EN 1127-1, and EN 13463-1 for safe use in hazardous environments.
  • Durable Construction: Galvanised steel casing with copper inlet cone ensures long-lasting, reliable performance.
  • High-Efficiency Airflow: Forward-curved impeller blades deliver up to 2,580 m³/h for effective ventilation.
  • Motor Protection: Integral PTC thermistors prevent overheating when connected to the U-EK230E relay.
  • Versatile Industrial Use: Ideal for battery-charging rooms, fume cupboards, and other demanding applications.

The Systemair DKEX 250-4 ATEX rectangular duct fan is a compact, versatile, and explosion-proof solution designed for demanding environments such as battery-charging rooms and fume cupboards. Featuring a galvanised steel casing with a copper inlet cone and forward-curved impeller blades, this fan delivers a maximum airflow of 2,580 m³/h while ensuring safe operation with integral PTC thermistors connected to a U-EK230E motor protection relay. The external rotor motor allows for speed control, and the fan complies with EN 50014, 50019, EN 1127-1, and EN 13463-1 standards. Its robust design, ease of installation in any position, and high safety certification make it ideal for industrial applications requiring reliable, explosion-proof ventilation.


  • Brand: Systemair
  • Model: DKEX 250-4
  • Product Code: 19965
  • Voltage: 230V, 3-phase
  • Frequency: 50 Hz
  • Input Power (P1): 900 W
  • Current: 3.1 A
  • Max Airflow: 2,580 m³/h (0.66 m³/s)
  • R.p.m.: 1,355
  • Minimum Static Pressure: 145 Pa
  • Temperature Range (Ambient & Duct): -60°C
  • Motor Protection: Integral PTC thermistors
  • Insulation Class: F
  • Enclosure Class: IP44
  • Weight (approx.): 15 kg
  • Material: Galvanised sheet steel with copper inlet cone
  • Colour: Silver / Metallic
  • Sound Level (at 3m): 58.9 dB



  • Whisper-Quiet Operation

    Enjoy cleaner air and consistent comfort without any distracting noise.

  • Precision Airflow Engineering

    Enjoy clean, balanced comfort throughout your space.

  • Smart Energy Optimisation

    Our systems automatically adjust their output when needed

  • Built For Modern Living

    Beautiful to look at, effortless to use, and engineered to last.

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