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Belimo Damper Actuator: Dampers, Floating Point, Spring Return, 22 in-lb, 24V AC/DC - Fail-Safe Actuators with Spring Return
BelimoFail-Safe Actuators with Spring Return

Belimo Damper Actuator: Dampers, Floating Point, Spring Return, 22 in-lb, 24V AC/DC

The BELIMO TFB24-3 is a fail-safe spring-return damper actuator with a floating-point control signal. It operates on 24V AC/DC with a 4VA power rating, provides 22 in-lb torque, and features a 0 to 95° stroke with…

SKU 3G-OTH-67159

Also listed as: TFB243 · TFB24 3

Brand
Belimo
Item
Damper Actuator: Dampers, Floating Point, Spring Return, 22 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
TFB24-3
Type
Floating Point, Spring Return, 22 in-lb, NEMA 2 / IP54
AC/DC
24V
Shaft Type
1/4" to 1/2"
Power Rating
4VA
Input Voltage
24V AC/DC
Output Signal
1 Auxiliary Switch
Plenum Rating
Plenum Rated
Stroke Degree
0 to 95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Not Building Automation System Compatible

Technical Documents

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

Product Description

The BELIMO TFB24-3 is a fail-safe spring-return damper actuator with a floating-point control signal. It operates on 24V AC/DC with a 4VA power rating, provides 22 in-lb torque, and features a 0 to 95° stroke with CW/CCW shaft rotation for 1/4" to 1/2" shafts. This plenum-rated actuator includes one auxiliary switch and is hardwired, but is not compatible with building automation systems.

Frequently Asked Questions

What is the BELIMO TFB24-3 damper actuator used for?

The BELIMO TFB24-3 is a fail-safe spring-return damper actuator used in HVAC systems to control air dampers in plenum-rated spaces. It provides 22 in-lb torque for modulating dampers with a floating-point signal, ensuring reliable closure on power loss.

What are the specifications of the BELIMO TFB24-3?

The BELIMO TFB24-3 operates on 24V AC/DC with a 4VA power rating, delivers 22 in-lb torque, and has a 0 to 95° stroke with CW/CCW rotation for 1/4" to 1/2" shafts. It includes one auxiliary switch, is plenum rated, and is hardwired but not compatible with building automation systems.

Where to buy the BELIMO TFB24-3 worldwide?

3G Electric supplies the BELIMO TFB24-3 damper actuator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this fail-safe spring-return actuator.

How to install the BELIMO TFB24-3 damper actuator?

Mount the BELIMO TFB24-3 directly onto a 1/4" to 1/2" damper shaft using the included hardware. Connect 24V AC/DC power and floating-point control wiring per the wiring diagram. Ensure the spring return direction matches the damper fail-safe position. Test stroke and auxiliary switch before commissioning.

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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