• KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V
  • KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V

KTEX 50-25-4 ATEX Rectangular Duct Fan – 3-Phase, Explosion-Proof, 250x500mm Connections, 1,800 m³/h, Galvanised Steel, 400V

Regular price £1,240.49
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Description
  • Explosion-Proof & ATEX Certified: Compliant with EN 50014, EN 50019, EN 1127-1, EN 13463-1, and EEx e II T3 for safe operation in hazardous areas.
  • High Efficiency & Reliable Motor: External rotor motor with integral PTC thermistors ensures maintenance-free, long-lasting performance.
  • Flexible Installation: Can be mounted in any position with easy connection using DS flexible connectors.
  • Robust Build: Galvanised steel casing with copper inlet cone for durability and corrosion resistance.
  • Optimal Performance: Max airflow of 1,800 m³/h, low noise operation (56.5 dB(A)), and speed controllable for precision ventilation.

The KTEX 50-25-4 ATEX Rectangular Duct Fan is a versatile and reliable solution for industrial ventilation in potentially explosive environments. Designed for flexible installation in any position, it features a galvanised steel casing with a copper inlet cone and forward-curved impellers driven by a maintenance-free external rotor motor. Integral thermistors (PTC) provide motor protection and must be connected to the U-EK230E relay. Certified to ATEX standards (II 2G Ex e IIB+H? Gb), this fan offers enhanced safety, high airflow efficiency of 1,800 m³/h, and quiet operation at 56.5 dB(A). Ideal for duct systems requiring robust, speed-controllable, and long-lasting performance.


  • Material: Galvanised Steel casing, Copper inlet cone
  • Colour: Silver (galvanised finish)
  • Voltage: 400 V, 3 Phase
  • Frequency: 50 Hz
  • Power Input (P1): 490 W
  • Current: 0.85 A
  • Max Airflow: 1,800 m³/h (0.426 m³/s)
  • R.P.M.: 1,290
  • Min Static Pressure: 90 Pa
  • Temperature Range: -60 °C ambient and duct
  • Sound Pressure Level: 56.5 dB(A) at 3 m
  • Insulation Class: F
  • Motor Enclosure: IP44
  • Weight: 17.6 kg
  • Dimensions: 250 x 500 mm connection size
  • Product Code: 19402



  • 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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