Belimo FSNF24-S-FC Fire Smoke Damper Actuator in-lb Spring Return - 70 24V

The Belimo FSNF24-S-FC is a UL-listed fire and smoke damper actuator designed for fail-safe operation in life safety applications. This spring return actuator provides 70 in-lb of torque and operates on 24V AC/DC power, making it ideal for controlling fire and smoke dampers in commercial HVAC systems.

Key Features:

• 70 in-lb (8 Nm) torque output for reliable damper operation
• Spring return mechanism ensures fail-safe positioning during power loss
• 24V AC/DC universal voltage for flexible installation
• On/Off control with 2 SPDT auxiliary switches for status feedback
• UL listed for fire and smoke damper applications (UL873)
• Factory-mounted 1 meter cable for quick installation
• 90-degree rotation in approximately 60 seconds
• Compact, durable housing designed for commercial building environments

Belimo fire and smoke actuators are engineered to meet stringent life safety codes and provide dependable performance when it matters most. The FSNF24-S-FC features a spring return design that automatically drives the damper to its fail-safe position in the event of power failure, ensuring occupant safety during fire emergencies. The dual SPDT switches provide valuable feedback for building automation systems to monitor damper position status.