Description
Silent-box duct fan – quiet and high-performance ventilation
The Silent-box duct fan delivers powerful airflow while operating whisper-quiet, making it ideal for noise-sensitive environments such as offices, schools, hospitality venues, and residential buildings. Its robust, sound-insulated casing ensures minimal noise without compromising performance.
Equipped with a reliable external rotor motor (IP44), the fan is easily adjustable via a transformer controller. Models are designed for round duct installations, providing air capacities up to 5,000 m³/h. The 450 model is also available in 400V, 3-phase (50 Hz) configuration for higher demand installations.
Technical specifications:
- Dimensions: Ø125 to Ø400 mm
- Capacity: up to 5,000 m³/h
- Pressure: up to 600 Pa
- Motor: External rotor motor, IP44
- Control: Transformer controller
- Extra: Model 450 available in 400V/3-phase
Applications:
- Noise-sensitive spaces such as offices and meeting rooms
- Hospitality, schools, and residential buildings
- Integration into round ventilation ducts
- Supply and exhaust ventilation with low noise
Benefits:
- Extremely quiet operation thanks to sound-insulated Silent-box casing
- Flexible use across various installations
- Easy speed adjustment via standard transformer controller
- Compact design and easy installation
- 3-phase motor version available for higher capacity requirements
Looking for a quiet duct fan with high airflow capacity? Contact us for technical advice or a tailored quote for the Silent-box model.
