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BELIMO Fire and Smoke Actuator: Fire and Smoke Dampers, On/Off, Spring Return - Fire & Smoke Rated Actuators
BELIMOFire & Smoke Rated Actuators

BELIMO Fire and Smoke Actuator: Fire and Smoke Dampers, On/Off, Spring Return

The BELIMO FSNF120 is a fire and smoke actuator for fire and smoke dampers, featuring on/off spring return operation with a 95° stroke and CW/CCW shaft rotation. It operates on 120V AC input voltage, is hardwired…

SKU 3G-OTH-66966

Brand
BELIMO
Item
Fire and Smoke Actuator: Fire and Smoke Dampers, On/Off, Spring Return
Category
Fire & Smoke Rated Actuators
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Technical Specifications

BELIMO
Manufacturer Part Number
FSNF120
Type
On/Off, Spring Return, 70 in-lb, Hardwired
AC
120V
Input Voltage
120V AC
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible
View Full Spec Sheet

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BELIMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BELIMO FSNF120 is a fire and smoke actuator for fire and smoke dampers, featuring on/off spring return operation with a 95° stroke and CW/CCW shaft rotation. It operates on 120V AC input voltage, is hardwired, and is compatible with building automation systems.

Frequently Asked Questions

What is the BELIMO FSNF120 fire and smoke actuator used for?

The BELIMO FSNF120 is a fire and smoke actuator designed to control fire and smoke dampers in HVAC systems. It provides on/off spring return operation with a 95° stroke and 70 in-lb torque, ensuring dampers close reliably during fire events. It is compatible with building automation systems for integrated safety.

What are the specifications of the BELIMO FSNF120 actuator?

The BELIMO FSNF120 operates on 120V AC input voltage with hardwired electrical connection. It features on/off spring return, 70 in-lb torque, 95° stroke, and CW/CCW shaft rotation. It is building automation system compatible and does not include an auxiliary switch. The manufacturer part number is FSNF120.

Where to buy the BELIMO FSNF120 fire and smoke actuator worldwide?

3G Electric supplies the BELIMO FSNF120 fire and smoke actuator to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine BELIMO part.

How to install the BELIMO FSNF120 fire and smoke actuator?

Install the BELIMO FSNF120 by mounting it to the damper shaft per manufacturer guidelines, ensuring CW/CCW rotation matches damper direction. Connect 120V AC power via hardwired terminals and integrate with the building automation system. Always follow local fire codes and consult the installation manual for torque and stroke settings.

Used in

Common applications for BELIMO
Commercial HVAC damper control — Belimo GMB24-SR proportional actuator for modulating air volume in VAV systems
Hydronic zone temperature regulation — Belimo Z3075Q-J+CQB24-3 3-way zone valve for radiant floor heating loops
Smoke management systems — Belimo TFB24-SR spring return actuator for fire damper closure on power loss
Industrial ventilation balancing — Belimo NMB24-SR non-spring return actuator for large duct dampers in factories
Chilled water valve actuation — Belimo Z2075Q-K+CQB24-3 2-way zone valve for fan coil unit control
Multi-purpose damper control — Belimo LF24-MFT MFT actuator with configurable signal for retrofit projects

BELIMO Products

3G Electric supplies BELIMO fire & smoke rated actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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