Belimo FSAF24A Fire Smoke Damper Actuator in-lb Spring Return - 180 24V

The Belimo FSAF24A is a spring return fire and smoke damper actuator designed for life safety applications in HVAC systems. This UL-certified actuator provides reliable failsafe operation during fire emergencies, automatically returning dampers to their safe position when power is lost.

Key Specifications:

• Torque rating: 180 in-lb (20 Nm) for positive damper closure
• Power supply: 24 VAC/DC
• Control type: On/Off (2-position)
• Spring return operation for failsafe positioning
• UL listed for fire and smoke damper applications
• Running time: approximately 150 seconds for 95° rotation
• Electrical connection: 18" plenum-rated cable leads
• Operating temperature range: -22°F to 140°F (-30°C to 60°C)

Features & Benefits:

• Spring return mechanism ensures damper closes during power failure or fire alarm activation
• High torque output overcomes damper resistance and ensures positive seating
• UL 873 and UL 555/555S certified for life safety compliance
• Manual override allows for testing and commissioning without power
• Durable metal housing withstands harsh mechanical room environments
• Position indication for visual verification of damper status

The FSAF24A is ideal for use with fire dampers, smoke dampers, and combination fire/smoke dampers in commercial buildings, hospitals, schools, and other facilities requiring code-compliant life safety systems. This actuator integrates seamlessly with building fire alarm and HVAC control systems.