The Helios HQW EC 355 B is a powerful axial ventilation fan designed for a variety of applications. With an impressive airflow of 4200 m³/h and a speed of 1980 rpm, this fan provides efficient air circulation. It is equipped with an energy-saving EC external rotor motor that allows for stepless speed control. The robust construction made of galvanized steel sheet and powder-coated protective grille ensures durability and safety. Additionally, the fan is maintenance-free and offers excellent electromagnetic compatibility. The integrated temperature monitoring ensures safe operation, while the ability to control it through various systems allows for flexible adaptation to individual needs.

• High airflow of 4200 m³/h for efficient ventilation
• Energy-saving EC external rotor motor with stepless speed control
• Maintenance-free operation with excellent EMC
• Robust construction with galvanized steel sheet and powder-coated protective grille.