Overview
The Belimo FSAF24A.1 is a two-position On/Off spring return actuator engineered for fire and smoke dampers. It delivers robust 180 in-lb torque to drive dampers to their fail-safe position upon power loss.
Features
- Spring return fail-safe action ensures immediate shutoff during emergencies
- Simple two-position On/Off control operation
- Reversible rotation direction via CW or CCW shaft mounting
- Durable construction designed for elevated ambient thermal conditions
- UL555 and UL555S listed for smoke and fire damper assemblies
Specifications
- Actuator Type: Spring return
- Torque: 180 in-lb [20 Nm]
- Voltage: AC/DC 24 V
- Control Type: On/Off
- Angle of Rotation: 95°
- Degree of Protection: IP40, NEMA 1
Applications
- Fire and smoke damper control in commercial HVAC ductwork
- Emergency air isolation in building life-safety systems



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