• KT 40-20-4 Centrifugal Rectangular Duct Fan– 1325 m³/h Airflow, Speed Controllable Ventilation Fan with Thermal Protection
  • KT 40-20-4 Centrifugal Rectangular Duct Fan– 1325 m³/h Airflow, Speed Controllable Ventilation Fan with Thermal Protection

KT 40-20-4 Centrifugal Rectangular Duct Fan– 1325 m³/h Airflow, Speed Controllable Ventilation Fan with Thermal Protection

Regular price £575.77
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Description
  • High Airflow Performance: Delivers powerful airflow up to 1325 m³/h, ideal for commercial and industrial ventilation systems
  • Durable Construction: Manufactured from high-quality galvanised steel for enhanced strength and corrosion resistance
  • Easy Maintenance Design: Swing-out motor and impeller assembly allows quick access for servicing and cleaning
  • Safe & Reliable Operation: Equipped with integral thermal contacts to protect the motor from overheating
  • Flexible Installation: Can be installed in any position with a pre-wired terminal box for quick and easy setup

The KT 40-20-4 Centrifugal Rectangular Duct Fan is a high-performance ventilation solution designed for efficient air movement in commercial and industrial duct systems. Featuring a forward-curved centrifugal impeller and a reliable external rotor motor, this fan delivers powerful airflow of up to 1325 m³/h while maintaining quiet and energy-efficient operation. The robust galvanised steel casing ensures long-lasting durability, while the swing-out motor and impeller assembly allow for quick and easy maintenance. Built with integral thermal contacts for motor protection and a pre-wired terminal box for hassle-free installation, this fan can be mounted in any position, making it a flexible and dependable choice for a wide range of HVAC applications.


  • Model: KT 40-20-4
  • Product Type: Centrifugal Rectangular Duct Fan
  • Airflow Capacity: 1325 m³/h
  • Voltage: 230V (Single Phase, Approx.)
  • Frequency: 50 Hz (Approx.)
  • Power Source: Electric
  • Material: Galvanised Steel
  • Colour: Silver / Metallic
  • Mounting Type: Inline Duct Installation (Any Position)
  • Motor Type: External Rotor Motor
  • Impeller Type: Forward-Curved Blades
  • Speed Control: Yes (Speed-controllable)
  • Thermal Protection: Integral Thermal Contacts
  • Terminal Box: Pre-wired, Integrated
  • Dimensions (L x W x H): 400 x 200 x 400 mm
  • Weight: 12.5 kg
  • Product Code: 1482

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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