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Belimo Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 120V AC, Hardwired - Fail-Safe Actuators with Spring Return
BelimoFail-Safe Actuators with Spring Return

Belimo Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 120V AC, Hardwired

The BELIMO LF120-S is a fail-safe spring-return damper actuator with on/off control, delivering 35 in-lb of torque. It operates on 120V AC with a 5.5W power rating, features a 95° stroke with CW/CCW shaft rotation…

SKU 3G-OTH-67320

Also listed as: LF120S · LF120 S

Brand
Belimo
Item
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 120V AC, Hardwired
Category
Fail-Safe Actuators with Spring Return
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Belimo
Manufacturer Part Number
LF120-S
Type
On/Off, Spring Return, 35 in-lb, Hardwired, NEMA 2 / IP54
AC
120V
Power Rating
5.5W
Input Voltage
120V AC
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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

Product Description

The BELIMO LF120-S is a fail-safe spring-return damper actuator with on/off control, delivering 35 in-lb of torque. It operates on 120V AC with a 5.5W power rating, features a 95° stroke with CW/CCW shaft rotation, and includes an auxiliary switch. This hardwired actuator is NEMA 2 / IP54 rated and compatible with building automation systems.

Frequently Asked Questions

What is the BELIMO LF120-S actuator used for?

The BELIMO LF120-S is a fail-safe spring-return damper actuator used in HVAC systems to control air dampers in building automation. It provides on/off control with 35 in-lb torque, ensuring damper closure on power loss for safety and energy efficiency.

What are the specifications of the BELIMO LF120-S?

The BELIMO LF120-S operates on 120V AC with 5.5W power, delivers 35 in-lb torque, and has a 95° stroke with CW/CCW shaft rotation. It includes an auxiliary switch, is hardwired, and rated NEMA 2 / IP54 for indoor use in building automation systems.

Where to buy the BELIMO LF120-S worldwide?

You can source the BELIMO LF120-S from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your building automation projects.

How to install the BELIMO LF120-S spring return actuator?

Mount the BELIMO LF120-S directly onto the damper shaft using the provided bracket, ensuring the shaft rotates freely. Connect 120V AC power via hardwired terminals per the wiring diagram. Test the spring return by removing power to verify fail-safe closure.

Belimo Products

3G Electric supplies Belimo fail-safe actuators with spring return. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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