- High Efficiency & Quiet Operation: Backward-curved impeller blades provide maximum airflow of 925 m³/h with minimal noise (47.2 dB(A)).
- Durable & Safe: Galvanised steel casing with integral thermal contacts and electrical reset protects the motor from overheating.
- Easy Maintenance: Motor and impeller are mounted on the access cover for quick and simple servicing.
- Versatile Installation: Can be installed in any position; compatible with DS flexible connections.
- Speed-Controlled & Reliable: 230 V, 107 W external rotor motor ensures smooth operation and long-lasting performance.
The RS 40-20 M Sileo rectangular duct fan is designed for efficient and quiet ventilation in residential, commercial, or industrial spaces. Featuring backward-curved impellers and a maintenance-free external rotor motor, this fan delivers a maximum airflow of 925 m³/h while ensuring low noise operation at just 47.2 dB(A). The motor and impeller are mounted on the access cover for easy servicing, and the fan includes integral thermal contacts with electrical reset to protect against overheating. Its galvanised steel casing ensures durability, and it can be installed in any position with flexible DS connections for seamless integration. With speed-controllable operation, reliable performance, and compact design, this fan is ideal for a wide range of ventilation needs.
