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BelimoFail-Safe Actuators with Spring Return

Belimo Actuator: Dampers, Proportional, Spring Return, 35 in-lb, 24V AC/DC

The BELIMO LF24-SR US is a fail-safe spring-return damper actuator with a 2.5W power rating and 24V AC/DC input voltage. It features a 95° stroke degree, CW/CCW shaft rotation, and is plenum rated with hardwired…

SKU 3G-OTH-68116

Also listed as: LF24SRUS · LF24 SR US · LF24-SR-US

Brand
Belimo
Item
Actuator: Dampers, Proportional, Spring Return, 35 in-lb, 24V AC/DC
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
LF24-SR US
Type
Proportional, Spring Return, 35 in-lb, Hardwired Plenum Rated Cables
AC/DC
24V
Power Rating
2.5W
Input Voltage
24V AC/DC
Plenum Rating
Plenum Rated
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
BACnet IP
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 LF24-SR US is a fail-safe spring-return damper actuator with a 2.5W power rating and 24V AC/DC input voltage. It features a 95° stroke degree, CW/CCW shaft rotation, and is plenum rated with hardwired electrical connection. This proportional actuator is compatible with BACnet IP building automation protocols.

Frequently Asked Questions

What is the BELIMO LF24-SR US damper actuator used for?

The BELIMO LF24-SR US is a fail-safe spring-return actuator for HVAC dampers in building automation systems. It provides proportional control with 35 in-lb torque, 95° stroke, and plenum-rated hardwired cables, ensuring reliable airflow regulation in commercial ventilation and fire/smoke control applications.

What are the specifications of the BELIMO LF24-SR US?

The BELIMO LF24-SR US operates on 24V AC/DC with 2.5W power, delivers 35 in-lb torque, and features a 95° stroke with CW/CCW rotation. It is plenum rated, hardwired, and compatible with BACnet IP protocols. No auxiliary switch is included.

Where to buy the BELIMO LF24-SR US worldwide?

3G Electric supplies the BELIMO LF24-SR US worldwide, handling full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine BELIMO actuators and support procurement for building automation projects across all regions.

How to install the BELIMO LF24-SR US spring-return actuator?

Mount the BELIMO LF24-SR US directly onto the damper shaft using the supplied bracket, ensuring the shaft rotates freely within the 95° stroke. Connect 24V AC/DC power to the hardwired plenum-rated cables, and configure BACnet IP communication per the controller manual. Always follow local electrical codes.

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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