Overview
The Belimo FSTF230.1 US is a spring-return fire and smoke damper actuator designed for operation of smoke and combination fire and smoke dampers in HVAC systems.
Features
- Mechanical spring-return fail-safe mechanism
- Meets UL555 and UL555S testing requirements when assembled with approved dampers
- Coldweld clamp mounting onto damper axle shaft or jackshaft
- Reversible fail-safe rotation with clockwise or counter-clockwise mounting options
Specifications
- Actuator Type: Spring return
- Voltage: AC 230 V
- Control Type: On/Off
- Torque: 18 in-lb [2 Nm]
- Running Time (Motor): 75 s @ 250°F [121°C]
- Running Time (Fail-safe): <25 s
- Degree of Protection: IP42, NEMA 2, UL Enclosure Type 2
Applications
- Fire and smoke damper operation in commercial ventilation and air-conditioning systems
- Emergency isolation of air circulation during life safety events



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