The HELI SB EC 160 SILENTBOX duct fan from Helios is a highly advanced ventilation fan specifically designed for quiet operation. With a robust housing made of galvanized steel and a sound-absorbing inner lining, this fan provides an effective solution for air circulation in various applications. The fan is equipped with an energy-saving EC external rotor motor that allows for stepless speed control, enabling adjustments to different requirements. The design of the fan ensures easy maintenance, as the motor and impeller are easily accessible. With an airflow rate of up to 670 m³/h and a duct diameter of 160 mm, this fan is ideal for use in residential and commercial spaces where quiet and efficient ventilation is needed.

• Energy-efficient radial impeller with backward-curved blades for quiet operation
• Dynamically balanced for optimal performance and minimal vibrations
• Integrated electronic temperature monitoring for motor and electronics
• Maintenance-free operation thanks to ball-bearing construction
• Stepless speed control for flexible adaptation to ventilation needs.