• DHA 400E4 Sileo Axial Roof Fan– Direct Driven, Single Phase, 3,550m³/h, Galvanized Steel & Aluminium, RAL 7010
  • DHA 400E4 Sileo Axial Roof Fan– Direct Driven, Single Phase, 3,550m³/h, Galvanized Steel & Aluminium, RAL 7010

DHA 400E4 Sileo Axial Roof Fan– Direct Driven, Single Phase, 3,550m³/h, Galvanized Steel & Aluminium, RAL 7010

Regular price £1,083.71
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Description
  • High-Performance Axial Roof Fan: Delivers up to 3,550 m³/h of airflow for efficient supply air applications.
  • Durable Construction: Galvanized steel casing and base with powder-coated RAL 7010 finish; seawater-resistant aluminium cowl.
  • Advanced Impeller Design: Bionic-shaped composite blades optimize airflow while minimizing energy consumption.
  • Motor Protection & Control: External rotor motor with voltage-reduction speed control; integral thermal contacts for safe operation.
  • Quick Delivery Options: Usually stocked overseas with 2–3 weeks delivery; UK stock available in 3–4 days.

The DHA 400E4 Sileo Axial Roof Fan is designed for efficient supply air applications, combining high performance with durability. Its casing and base frame are crafted from galvanized steel with a powder-coated RAL 7010 finish, while the cowl is made from seawater-resistant aluminium, ensuring long-lasting corrosion resistance. The bionic-shaped impeller blades are manufactured from high-efficiency composite material, maximizing airflow at 3,550 m³/h. Equipped with a single-phase external rotor motor, the fan allows voltage-reduction speed control and motor protection via integral thermal contacts. Ideal for commercial and industrial roof installations, it delivers quiet, reliable ventilation.


  • Weight: 18 kg
  • Material: Galvanized steel (casing & base), Seawater-resistant aluminium (cowl), High-efficiency composite (impeller)
  • Voltage: Single phase 230V, 50 Hz
  • Dimensions (L×W×H): 600 × 600 × 450 mm
  • Colour: RAL 7010 grey
  • Airflow Capacity: 3,550 m³/h
  • Motor Type: External rotor, speed controllable via voltage reduction
  • Motor Protection: Integral thermal contacts with external leads for connection to protection switch
  • Product Code: 34500

Delivery time: 3-5 working days.


Your purchase includes a 1-year Veralis warranty, offering complete assurance in the quality and longevity of your product. From internal components to craftsmanship and performance, every part of your device is protected. Should you experience any issue during everyday use, our dedicated support team will provide quick and reliable assistance, ensuring you receive a seamless solution with minimal disruption to your comfort.



  • 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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