Overview
The Belimo FSAF24A-S US is a heavy-duty spring-return fire and smoke actuator designed for fail-safe operation on UL555S rated dampers.
Features
- True spring-return system delivers constant fail-safe torque
- Integrated dual SPDT auxiliary switches for remote status monitoring
- High-torque motor drives large fire and smoke damper assemblies
- Approved for high-temperature life safety environments
Specifications
- Torque: 180 in-lb [20 Nm]
- Nominal Voltage: AC/DC 24 V
- Control Signal: On/Off
- Auxiliary Switches: 2 x SPDT
- Fail-Safe: Spring Return
Applications
- Operation of UL555S rated fire and combination fire/smoke dampers
- Emergency smoke isolation and HVAC safety management



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