The Belimo AF24-SR US Spring Return Damper Actuator is a dependable HVAC actuator designed for automatic control of air dampers. It combines a rugged direct-coupled mechanism with a built-in spring return for fail-safe positioning if power is lost. Operating on 24 V AC/DC and capable of modulating control input, this actuator delivers smooth movement, precise positioning, and reliable performance in commercial and industrial ventilation systems.

Highlights

• Spring return design automatically returns the damper to a safe position when power is removed
• 24 V AC/DC operation for compatibility with standard HVAC control systems
• Modulating control responds to DC 2-10 V control signals for smooth positioning
• Robust construction built for long-term performance in mechanical environments
• Adjustable rotation angle up to approximately 95° for precise damper movement
• Direct-coupled mounting eliminates linkage requirements for easier installation

Specifications