Overview
The Belimo FSAF24A-S.1 is an On/Off spring return fire and smoke damper actuator equipped with two auxiliary switches. Designed for life-safety applications, it provides fast, reliable fail-safe spring operation.
Features
- True spring return mechanism provides reliable fail-safe positioning
- Two built-in SPST auxiliary switches for damper position signaling
- Simple On/Off control for smoke and fire containment dampers
- Reversible rotation direction by CW/CCW mounting
- Qualified under UL555 and UL555S standards
Specifications
- Actuator Type: Spring return
- Torque: 180 in-lb [20 Nm]
- Voltage: AC/DC 24 V
- Control Type: On/Off
- Auxiliary Switches: 2 x SPST
- Angle of Rotation: 95°
- Degree of Protection: IP40, NEMA 1
Applications
- Operation of life-safety fire and smoke dampers in commercial buildings
- Emergency smoke isolation requiring end-point switch feedback



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