• RB 40-20/15-1 Rectangular Duct Heater, 400x200mm, 15kW Electric Heater, 3-Phase 400V, Stainless Steel Element, Overheat Protection
  • RB 40-20/15-1 Rectangular Duct Heater, 400x200mm, 15kW Electric Heater, 3-Phase 400V, Stainless Steel Element, Overheat Protection

RB 40-20/15-1 Rectangular Duct Heater, 400x200mm, 15kW Electric Heater, 3-Phase 400V, Stainless Steel Element, Overheat Protection

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Description
  • High-Performance Heating Output: Powerful 15kW electric duct heater designed for efficient air heating in rectangular ventilation systems, ensuring consistent and reliable temperature control
  • Durable Construction: Built with robust Aluzinc-coated sheet steel housing and high-quality stainless steel heating elements for long-lasting performance and corrosion resistance
  • Advanced Safety Features: مجهز with integral overheating protection and manual reset function to ensure safe operation and prevent system damage
  • Optimized Airflow Compatibility: Requires a minimum airflow velocity of 1.5 m/s, delivering stable heating performance with a maximum output air temperature of 40°C
  • Flexible System Integration: Compatible with room thermostats or TTC controllers, making it ideal for commercial and industrial HVAC applications

The Systemair RB 40-20/15-1 rectangular duct heater is a high-efficiency electric heating solution designed for use in ventilation systems requiring reliable and controlled air heating. Featuring a durable Aluzinc-coated steel casing and stainless steel heating elements, this unit ensures long-term performance and resistance to wear. With a мощный 15kW output and 400V 3-phase power supply, it delivers consistent heating while maintaining safety through its built-in overheating protection with manual reset. Designed for optimal airflow conditions with a minimum velocity of 1.5 m/s, the heater supports a maximum outlet temperature of 40°C, making it suitable for a wide range of commercial and industrial HVAC applications.


  • Product Name: RB 40-20/15-1 Rectangular Duct Heater
  • Brand: Systemair
  • Product Code: 9628
  • Power Output: 15 kW
  • Voltage: 400V / 3-Phase
  • Current: 22 A
  • Dimensions: 400 mm x 200 mm
  • Material: Aluzinc-coated sheet steel (housing), Stainless steel (heating element)
  • Colour: Metallic Silver / Grey
  • Minimum Airflow: 0.125 m³/s
  • Minimum Air Velocity: 1.5 m/s
  • Maximum Output Air Temperature: 40°C
  • Weight: 12.5 kg

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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