The HELI KSW 355/4/60/35 Swivel Out is a powerful duct radial fan specifically designed for direct installation in rectangular duct systems. With a robust housing made of galvanized steel sheet and standardized duct flange profiles, this fan offers a space-saving design while being easy to service. The swiveling motor-impeller unit allows for simple maintenance and handling. The fan is equipped with a high-performance radial impeller featuring backward-curved blades made of plastic, ensuring vibration-free operation. The drive is provided by a maintenance-free single-phase alternating current external rotor motor, which guarantees quiet and efficient performance. The speed can be flexibly adjusted via a 5-step transformer or electronically, allowing for adaptation to various requirements. With a power connection at a pre-mounted terminal box, the HELI KSW 355/4/60/35 Swivel Out is a reliable choice for demanding ventilation applications.

• Backward-curved impeller blades for high efficiency
• Swiveling motor-impeller unit for easy maintenance
• Vibration-free operation through dynamic balancing according to quality class G 6.3
• Maintenance-free single-phase alternating current external rotor motor
• Speed control via 5-step transformer or steplessly electronically.