Belimo FSNF120-FC Fire & Smoke Damper Actuator 70 in-lb Spring Return 120V

The Belimo FSNF120-FC is a UL-certified fire and smoke damper actuator designed for critical life safety applications in commercial HVAC systems. This spring return actuator provides reliable 2-position on/off control with 70 in-lb of torque, making it suitable for dampers up to approximately 12 square feet.

Key Features:

• 70 in-lb (8 Nm) torque for positive damper sealing
• Spring return mechanism ensures fail-safe operation during power loss
• 120V AC power supply with low power consumption
• 2-position on/off control for simple, reliable operation
• UL listed for fire and smoke damper applications per UL 873
• Includes factory-installed 1-meter (3.3 ft) cable for quick installation
• Fast 90-second nominal running time for rapid response
• Durable metal housing designed for high-temperature environments
• Visual position indicator for easy status verification
• Manual override feature for testing and maintenance

Belimo's FSNF series actuators are specifically engineered to meet stringent fire safety codes and provide dependable performance when it matters most. The spring return design ensures the damper closes automatically during fire or smoke detection events, helping to contain smoke and prevent fire spread through ductwork. Ideal for use in commercial buildings, hospitals, schools, and other facilities requiring code-compliant fire/smoke damper control.