The Helios RR EC 125 is a powerful radial duct fan designed for direct installation in duct systems. With a housing made of galvanized steel and round connection flanges compatible with standard ducts, this fan offers a robust and durable solution for ventilation. The radial impeller with backward-curved plastic blades ensures a high airflow rate of up to 539 m³/h and high efficiency. The energy-saving EC external rotor motor is speed controllable and operates quietly, making it ideal for applications where a low noise level is required. The integrated electronic temperature monitoring ensures reliable operation, while the stepless speed control allows for flexible adjustment to specific requirements. The fan is maintenance-free and interference-free, making it a practical choice for various ventilation applications.

• Energy-saving, speed-controllable EC external rotor motor
• Integrated electronic temperature monitoring
• Stepless speed control with potentiometer or universal control system
• Quiet operation and high efficiency
• Maintenance-free and interference-free with ball bearings.