Belimo FSNF120-FC Fire & Smoke Actuator Spring Return 120V On/Off


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Product Information

Product Description

The Belimo FSNF120-FC is a fire and smoke actuator designed for use in HVAC systems to control smoke and fire dampers. This 120-volt model features a spring return mechanism ensuring reliable operation even during power interruptions. Ideal for applications requiring compliance with UL555 and UL555S standards.

  • Compact design facilitates easy installation and maintenance.
  • Comes with a flexible conduit connection and a 1m cable.
  • Durable construction offers extended operational life and reliability.

Product Highlights

Equipped with a fail-safe spring return function that automatically returns the damper to the closed position if power is lost. Provides 70 in-lb torque over temperatures ranging from 32 to 350 degrees Fahrenheit.

Product Information

Standard Information

  • Brand: Belimo
  • MPN: FSNF120-FC

Technical Specifications

  • Actuator Type: Spring return
  • Angle of Rotation: 95 degrees
  • Control Type: On/Off
  • Degree of Protection: IP40 NEMA1
  • Direction of Rotation (Fail-Safe): Reversible with cw/ccw mounting
  • Electrical Connection: cable
  • Running Time (Fail-safe): 15s
  • Running Time (Motor): 15s / 90s
  • Safety Function: Yes


What Our Customers Are Saying

Thank you for having all these small crazy little parts! I can only imagine the organization of all of this! You are appreciated!

-Kimberly Erhart 

Love this website, prompt call back and had the necessary information that I was inquiring about. And had the part as well.

-John Crowe 

I found exactly what I needed to replace the compressor of my home HVAC unit, thank you for your service and I will definitely do business with your company again.

-Valerio Tigno 

So far so good! Customer service great and site is very well laid out and easy to use. So far every part I've needed has been i stock. Thanks Voomi.

-Casey Conrad 

Glad I found your website. Saved a bunch of money on this order and will use again in future for my HVAC business.

-Gary Zitzmann 

Safety Information: Proposition 65

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