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BELIMOFire & Smoke Rated Actuators

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

The BELIMO FSLF120-S US is a fire and smoke actuator for fire and smoke dampers, featuring an On/Off, Spring Return operation with a 95° stroke and CW/CCW shaft rotation. It is plenum rated, operates on 120V AC with…

SKU 3G-OTH-67160

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
FSLF120-S US
Type
On/Off, Spring Return, 30 in-lb
AC
120V
Power Rating
4W
Input Voltage
120V AC
Plenum Rating
Plenum Rated
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
BACnet IP
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 FSLF120-S US is a fire and smoke actuator for fire and smoke dampers, featuring an On/Off, Spring Return operation with a 95° stroke and CW/CCW shaft rotation. It is plenum rated, operates on 120V AC with a 4W power rating, and includes an auxiliary switch. This actuator is hardwired and compatible with BACnet IP building automation protocols.

Frequently Asked Questions

What is the BELIMO FSLF120-S US fire and smoke actuator used for?

The BELIMO FSLF120-S US is used to control fire and smoke dampers in HVAC systems. It provides On/Off, Spring Return operation with a 95° stroke, ensuring dampers close or open during fire events to contain smoke and flames in commercial buildings.

What are the specifications of the BELIMO FSLF120-S US actuator?

The BELIMO FSLF120-S US operates on 120V AC with 4W power, features a 30 in-lb spring return, 95° stroke, and CW/CCW shaft rotation. It is plenum rated, hardwired, includes an auxiliary switch, and supports BACnet IP building automation protocols.

Where to buy the BELIMO FSLF120-S US actuator worldwide?

You can source the BELIMO FSLF120-S US through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your fire and smoke damper applications.

How to install the BELIMO FSLF120-S US fire and smoke actuator?

Mount the BELIMO FSLF120-S US directly onto the damper shaft, ensuring CW/CCW rotation aligns with damper direction. Connect 120V AC power and BACnet IP wiring per the manual. Test spring return function to confirm fail-safe closure during power loss.

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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