Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
Image not available
BELIMOFail-Safe Actuators with Spring Return

BELIMO Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC

The BELIMO NFB24 is a fail-safe spring-return damper actuator with on/off control, delivering 90 in-lb of torque. It operates on 24V AC/DC with a 6W power rating, features a 95° stroke with CW/CCW shaft rotation, and…

SKU 3G-OTH-68627

Brand
BELIMO
Item
Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC
Category
Fail-Safe Actuators with Spring Return
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BELIMO
Manufacturer Part Number
NFB24
Type
On/Off, Spring Return, 90 in-lb, Hardwired Plenum Rated Cables
AC/DC
24V
Power Rating
6W
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
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BELIMO NFB24 is a fail-safe spring-return damper actuator with on/off control, delivering 90 in-lb of torque. It operates on 24V AC/DC with a 6W power rating, features a 95° stroke with CW/CCW shaft rotation, and is plenum rated with hardwired cables. This actuator is compatible with BACnet IP 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN NFB24-S). Key specifications — Manufacturer Part Number: NFB24-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 8.5VA; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.
BELIMO
Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN NFB24-S). Key specifications — Manufacturer Part Number: NFB24-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 8.5VA; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.
BELIMO
BELIMO
Actuator: Dampers, Proportional, Spring Return, 35 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN LF24-SR US). Key specifications — Manufacturer Part Number: LF24-SR US; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Plenum Rating: Plenum Rated; Power Rating: 2.5W; Input Voltage: 24V AC/DC; Compatible Building Automation Protocols: BACnet IP; Brand: BELIMO.
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN TFB24). Key specifications — Manufacturer Part Number: TFB24; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 24V AC/DC; Brand: BELIMO.
BELIMO
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN TFB24). Key specifications — Manufacturer Part Number: TFB24; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 24V AC/DC; Brand: BELIMO.
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN TFB24-S). Key specifications — Manufacturer Part Number: TFB24-S; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 24V AC/DC; Brand: BELIMO.
BELIMO
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN TFB24-S). Key specifications — Manufacturer Part Number: TFB24-S; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 24V AC/DC; Brand: BELIMO.
Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24 to 240V AC/24 to 125V DC (MPN NFBUP-S). Key specifications — Manufacturer Part Number: NFBUP-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 9.5VA; Input Voltage: 24 to 240V AC/24 to 125V DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.
BELIMO
Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24 to 240V AC/24 to 125V DC (MPN NFBUP-S). Key specifications — Manufacturer Part Number: NFBUP-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 9.5VA; Input Voltage: 24 to 240V AC/24 to 125V DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.
Damper Actuator: Dampers, Proportional, Spring Return, 180 in-lb, 24V AC/DC, NEMA 2 / IP54 (MPN AFB24-SR-S). Key specifications — Manufacturer Part Number: AFB24-SR-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 8.5VA; Input Voltage: 24V AC/DC; Brand: BELIMO; Output Signal: 2 to 10V DC.
BELIMO
Damper Actuator: Dampers, Proportional, Spring Return, 180 in-lb, 24V AC/DC, NEMA 2 / IP54 (MPN AFB24-SR-S). Key specifications — Manufacturer Part Number: AFB24-SR-S; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 8.5VA; Input Voltage: 24V AC/DC; Brand: BELIMO; Output Signal: 2 to 10V DC.

More from BELIMO

View all BELIMO parts →
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN LF24-S). Key specifications — Manufacturer Part Number: LF24-S; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
BELIMO
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN LF24-S). Key specifications — Manufacturer Part Number: LF24-S; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 100 to 240V AC, NEMA 2 / IP54 (MPN TFB120). Key specifications — Manufacturer Part Number: TFB120; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 100 to 240V AC; Brand: BELIMO.
BELIMO
Damper Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 100 to 240V AC, NEMA 2 / IP54 (MPN TFB120). Key specifications — Manufacturer Part Number: TFB120; Shaft Type: 1/4" to 1/2"; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 5VA; Input Voltage: 100 to 240V AC; Brand: BELIMO.
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN LF24). Key specifications — Manufacturer Part Number: LF24; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
BELIMO
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN LF24). Key specifications — Manufacturer Part Number: LF24; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 100 to 240V AC, Hardwired, NEMA 2 / IP42 (MPN TFB120-S). Key specifications — Manufacturer Part Number: TFB120-S; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 2.5W; Input Voltage: 100 to 240V AC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
BELIMO
Actuator: Dampers, On/Off, Spring Return, 22 in-lb, 100 to 240V AC, Hardwired, NEMA 2 / IP42 (MPN TFB120-S). Key specifications — Manufacturer Part Number: TFB120-S; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Power Rating: 2.5W; Input Voltage: 100 to 240V AC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
BELIMO
BELIMO
Actuator: Dampers, On/Off, Spring Return, 35 in-lb, 24V AC/DC, Hardwired Plenum Rated Cables (MPN LF24 US). Key specifications — Manufacturer Part Number: LF24 US; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Plenum Rating: Plenum Rated; Power Rating: 5W; Input Voltage: 24V AC/DC; Compatible Building Automation Protocols: Modbus; Brand: BELIMO.
BELIMO
BELIMO
Actuator: Dampers, On/Off, Spring Return, 180 in-lb, 24V AC/DC, Screw Terminals, NEMA 4X / IP66 (MPN AFX24-S N4H). Key specifications — Manufacturer Part Number: AFX24-S N4H; Shaft Rotation: CW/CCW; Stroke Degree: 95°; Plenum Rating: Not Plenum Rated; Power Rating: 5W; Input Voltage: 24V AC/DC; Compatible Building Automation Protocols: Modbus; Brand: BELIMO.
Actuator: Dampers, Proportional, Spring Return, 90 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN NFB24-SR). Key specifications — Manufacturer Part Number: NFB24-SR; Shaft Rotation: CW/CCW; Stroke Degree: 90°; Power Rating: 3.5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
BELIMO
Actuator: Dampers, Proportional, Spring Return, 90 in-lb, 24V AC/DC, Hardwired, NEMA 2 / IP54 (MPN NFB24-SR). Key specifications — Manufacturer Part Number: NFB24-SR; Shaft Rotation: CW/CCW; Stroke Degree: 90°; Power Rating: 3.5W; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Building Automation System Compatible; Electrical Connection Type: Hardwired.
Damper Actuator: Dampers, Multi-Functional Technology (MFT), Spring Return, 90 in-lb, 24V AC/DC (MPN NFB24-MFT). Key specifications — Manufacturer Part Number: NFB24-MFT; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 9VA; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.
BELIMO
Damper Actuator: Dampers, Multi-Functional Technology (MFT), Spring Return, 90 in-lb, 24V AC/DC (MPN NFB24-MFT). Key specifications — Manufacturer Part Number: NFB24-MFT; Shaft Rotation: CW/CCW; Stroke Degree: 0 to 95°; Plenum Rating: Plenum Rated; Power Rating: 9VA; Input Voltage: 24V AC/DC; Brand: BELIMO; For Use With Building Automation Systems: Not Building Automation System Compatible.