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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

Brand

BELIMO

Item

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

Category

Fail-Safe Actuators with Spring Return

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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 

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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.

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 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.

Browse all BELIMO products →Contact our engineers →

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