Description
The Belimo FSLF120-S-FC is a high-performance fire and smoke damper actuator engineered for life-safety HVAC applications. Designed to meet the demanding requirements of fire/smoke control systems, this actuator delivers dependable spring-return operation and straightforward on/off control — making it a trusted solution for commercial and industrial HVAC installations.
Key Features
- Rated for fire and smoke damper applications requiring reliable life-safety performance
- 120V AC supply voltage for compatibility with standard commercial control systems
- 35 lb-in (4 Nm) torque output for positive damper blade engagement
- Spring return (S/R) failsafe operation — damper returns to safe position on power loss
- On/Off control signal for simple, two-position damper operation
- Compact, low-profile form factor for easy installation in tight plenum spaces
- Direct-coupled design — no crank arm or linkage required
- Manual override for commissioning and maintenance convenience
- Visual position indicator for quick field verification
Specifications
- Brand: Belimo
- Model / SKU: FSLF120-S-FC
- Supply Voltage: 120V AC
- Torque: 35 lb-in
- Control Type: On/Off
- Actuator Action: Spring Return (Failsafe)
- Application: Fire/Smoke Damper
Application
The FSLF120-S-FC is ideal for use with fire/smoke combination dampers in air handling units, VAV systems, and duct distribution networks where code-compliant life-safety control is required. The spring-return mechanism ensures the damper moves to its failsafe position automatically upon loss of power, providing critical protection in emergency scenarios. Its on/off control interface integrates seamlessly with building automation systems and fire alarm panels.
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