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Belimo Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC - Fail-Safe Actuators with Spring Return
BelimoFail-Safe Actuators with Spring Return

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

The BELIMO NFB24-S is a fail-safe damper actuator with spring return, featuring on/off control and a 90 in-lb torque rating. It operates on 24V AC/DC with an 8.5VA power rating, provides a 0 to 95° stroke with CW/CCW…

SKU 3G-OTH-67674

Also listed as: NFB24S · NFB24 S

Brand
Belimo
Item
Damper Actuator: Dampers, On/Off, Spring Return, 90 in-lb, 24V AC/DC
Category
Fail-Safe Actuators with Spring Return
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Belimo
Manufacturer Part Number
NFB24-S
Type
On/Off, Spring Return, 90 in-lb, Hardwired Plenum Rated Cables
AC/DC
24V
Power Rating
8.5VA
Input Voltage
24V AC/DC
Output Signal
2 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 NFB24-S is a fail-safe damper actuator with spring return, featuring on/off control and a 90 in-lb torque rating. It operates on 24V AC/DC with an 8.5VA power rating, provides a 0 to 95° stroke with CW/CCW shaft rotation, and includes two auxiliary switches. This plenum-rated actuator uses hardwired electrical connections and is not compatible with building automation systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BELIMO NFB24-S damper actuator used for?

The BELIMO NFB24-S is a fail-safe damper actuator with spring return, used in HVAC systems to control air dampers in plenum-rated spaces. It provides on/off control with 90 in-lb torque for applications requiring reliable closure on power loss, such as smoke management or zone isolation.

What are the specifications of the BELIMO NFB24-S?

The BELIMO NFB24-S operates on 24V AC/DC with an 8.5VA power rating, delivers 90 in-lb torque, and provides a 0 to 95° stroke with CW/CCW shaft rotation. It includes two auxiliary switches, uses hardwired plenum-rated cables, and is not compatible with building automation systems.

Where to buy the BELIMO NFB24-S worldwide?

3G Electric supplies the BELIMO NFB24-S damper actuator worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this BELIMO actuator globally.

How to install the BELIMO NFB24-S spring return actuator?

Mount the BELIMO NFB24-S directly onto the damper shaft using the supplied bracket, ensuring CW/CCW rotation matches application. Connect 24V AC/DC power and auxiliary switch wiring per the wiring diagram. Test spring return function before commissioning. Always follow local electrical codes and BELIMO installation instructions.

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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