The HELI HRFW 450/4 axial high-performance fan from Helios is a powerful ventilation fan designed for use in various applications. With a cylindrical duct made of galvanized steel sheet and flanges on both sides, this fan offers a robust and durable construction. The directly driven fan is equipped with a high-performance impeller optimized with profiled plastic blades to ensure efficient air circulation. The dynamic balancing of the impeller ensures smooth operation, while the maintenance-free, enclosed single-phase AC capacitor motor provides reliable performance. The fan features integrated thermal contacts within the winding for added protection and allows for speed control through voltage reduction. The low-noise ball bearings with long-term lubrication contribute to the longevity and efficiency of the device. The HELI HRFW 450/4 is therefore a reliable choice for anyone seeking an effective ventilation solution.

• High-performance impeller with profiled blades for optimized aerodynamics
• Dynamically balanced for smooth operation
• Maintenance-free, enclosed single-phase AC capacitor motor
• Integrated thermal contacts for additional protection
• Reversible function for flexible applications.