
NFB24-S Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.00 | Condition is New, Belimo NFB24-S Damper Actuator, shipping cost = $13.98 | 100.0% |
![]() | $99.00 | Condition is New, Belimo NFB24-S Damper Actuator 24V 90in-lb HVAC NEW In Box Multiple Available, shipping cost = $14.46 | 100.0% |
![]() | $115.00 | Top Pick! Condition is New, Belimo NFB24-S Damper Actuator, shipping cost = $17.92 | 100.0% |
![]() | $180.00 | Condition is New, Belimo NFB24-S 90 IN/LB 10 Nm 24V 50/60HZ, shipping cost = $17.45 | 100.0% |
![]() | $228.90 | Condition is New, Belimo NFB24-S N4 ACTUATOR, 90"#, SPRING, SW, N4 -NEW OLD STOCK - FREE SHIPPING, FREE SHIPPING | 100.0% |
![]() | $225.00 | Condition is New, Belimo NFB24-S Damper Actuator 90in-Lb, 20Nm AC/DC24V New in Box, shipping cost = $15.99 | 100.0% |
![]() | $250.00 | Condition is New, Belimo NFB24-S, 90 in-lb 10 Nm , Spring return, AC/DC24V, On/Off, 2xSPDT, shipping cost = $12.13 | 100.0% |
![]() | $225.00 | Top Pick! Condition is New, Belimo NFB24-S, shipping cost = $43.39 | 100.0% |
![]() | $270.71 | Top Pick! Condition is New, Belimo NFB24-S Damper Actuator, 90 in-lb 10 Nm , Spring Return, AC/DC 24 V, FREE SHIPPING | 99.9% |
![]() | $275.00 | Condition is New, Belimo NFB24-SR Damper Actuator This Was $350 New. This Is Open Box Never Used., shipping cost = $13.01 | 98.9% |
![]() | $300.00 | Top Pick! Condition is New, Belimo NFB24-S Damper Actuator, shipping cost = $11.72 | 100.0% |
![]() | $285.00 | Condition is New, New Belimo NFB24-S Damper Actuator, shipping cost = $30.00 | 100.0% |
![]() | $309.20 | Top Pick! Condition is New, Belimo NFB24-S 24 V Spring Return Fail-Safe Damper Control Actuator, shipping cost = $23.49 | 100.0% |
![]() | $350.00 | Condition is New, Belimo NFB24-S Damper Actuator, shipping cost = $19.77 | 100.0% |
![]() | $375.00 | Condition is New, Belimo NFB24-S N4 : 90 in-lb Spring Return Damper Actuator, shipping cost = $21.60 | 100.0% |
![]() | $381.71 | Condition is New, BELIMO NFB24-S DAMPER Actuator, shipping cost = $25.44 | 100.0% |
![]() | $407.11 | Condition is New, BELIMO NFB24-S NFB24-S US 24V SPRING RETURN, 90IN-LB ON-OF, FREE SHIPPING | 98.6% |
![]() | $420.25 | Condition is New, Belimo NFB24-S Direct Coupled Actuator 90 lb-in - NFB24-S, FREE SHIPPING | ![]() |
![]() | $422.12 | Condition is New, Belimo NFB24-S Damper Control Actuator Spring Return Fail-Safe 24VAC/DC 2 Aux, FREE SHIPPING | 100.0% |
![]() | $480.48 | Top Pick! Condition is New, Belimo NFB24-S 24V Spring Return Fail-Safe, On/Off, Direct Coupled with 2 Aux..., FREE SHIPPING | 99.9% |
![]() | $487.84 | Condition is New, BELIMO NFB24-S / NFB24S (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $500.00 | Condition is New, Belimo NFB24-S Damper Actuator, shipping cost = $31.24 | 0.0% |
![]() | $676.81 | Condition is New, 1PC BELIMO NFB24-S damper actuator, FREE SHIPPING | 100.0% |
![]() | $731.12 | Top Pick! Condition is New, Belimo NFB24-S N4 Spring Return Fail-Safe, On/Off Damper Control Actuator, 24 V, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $89.99 | Condition is New – Open box, Belimo NFB24-S N4 : 90 in-lb Actuator, FREE SHIPPING | 99.8% |
![]() | $85.00 | Condition is New – Open box, Belimo NFB24-S Damper Actuator, shipping cost = $10.60 | 100.0% |
![]() | $145.00 | Condition is New – Open box, Belimo NFB24-S, shipping cost = $23.90 | 99.8% |
![]() | $175.00 | Condition is New – Open box, BELIMO NFB24-S Damper Actuator, 90 in-lb 10 Nm , Spring return, AC/DC 24 V, shipping cost = $10.60 | 0.0% |
![]() | $200.00 | Condition is New – Open box, Belimo NFB24-S Damper Actuator, shipping cost = $55.05 | 100.0% |
![]() | $250.18 | Top Pick! Condition is New – Open box, BELIMO NFB24-S-N4H / NFB24SN4H (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $245.69 | Condition is New – Open box, BELIMO NFB24-S ACTUATOR, shipping cost = $22.95 | 99.7% |
![]() | $275.00 | Condition is New – Open box, BELIMO NFB24-S / NFB24S new open box, FREE SHIPPING | 100.0% |
![]() | $277.97 | Condition is New – Open box, BELIMO NFB24-S-N4H / NFB24SN4H (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $280.00 | Condition is New – Open box, Belimo NFB24-SR Damper Actuator This Was $350 New. This Is Open Box Never Used., shipping cost = $12.73 | 100.0% |
![]() | $275.00 | Top Pick! Condition is New – Open box, Belimo NFB24-S, shipping cost = $59.77 | 100.0% |
![]() | $370.76 | Condition is New – Open box, BELIMO NFB24-S / NFB24S (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $350.00 | Condition is New – Open box, Belimo NFB24-S 90 IN/LB 10 Nm 24V 50/60HZ, shipping cost = $59.77 | 100.0% |
![]() | $402.61 | Condition is New – Open box, BELIMO NFB24-S-N4 / NFB24SN4 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $438.00 | Condition is New – Open box, BELIMO NFB24-S ACTUATOR UNMP, FREE SHIPPING | 99.8% |
![]() | $438.00 | Condition is New – Open box, BELIMO NFB24-S ACTUATOR UNMP, FREE SHIPPING | 99.8% |
![]() | $500.00 | Top Pick! Condition is New – Open box, Belimo NFB24-S N4 ACTUATOR, 90"#, SPRING, SW, N4 -NEW OLD STOCK - FREE SHIPPING, shipping cost = $26.80 | 100.0% |
![]() | $600.00 | Condition is New – Open box, NEW BELIMO NFB24-S-N4H / NFB24SN4H (NEW NO BOX) SAME DAY SHIPPING ( E1-4), FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $35.00 | Condition is Used, Belimo NFB24-S Lightly Used For A Few Days, shipping cost = $13.81 | 100.0% |
![]() | $39.99 | Condition is Used, Belimo NFB24-S Damper Actuator, shipping cost = $13.59 | 90.0% |
![]() | $64.75 | Condition is Used, Belimo NFB24-S Damper Actuator Spring Return 90 in-lb AC/DC 24V 50/60HZ, FREE SHIPPING | 98.9% |
![]() | $200.00 | Top Pick! Condition is Used, Belimo NFB24-S Damper Actuator. 24v, shipping cost = $16.77 | 0.0% |
![]() | $233.00 | Condition is Used, BELIMO NFB24-S UNMP, FREE SHIPPING | 99.9% |
![]() | $276.00 | Condition is Used, BELIMO NFB24-S ACTUATOR UNMP, FREE SHIPPING | 99.8% |
![]() | $340.60 | Condition is Used, BELIMO NFB24-S-N4 / NFB24SN4 (USED), shipping cost = $12.90 | 99.7% |

The Belimo NFB24-S Damper Control Actuator is a versatile and reliable solution for controlling dampers in HVAC (Heating, Ventilation, and Air Conditioning) systems. This actuator comes with a spring fail-safe mechanism, which ensures that the damper returns to its default position in case of power failure or actuator malfunction.
The NFB24-S is available for use with both 24VAC and 24VDC power supplies, providing flexibility in system design and installation. Its compact size and lightweight construction make it suitable for use in various applications, including smoke control, air handling units, and fan coil units.
The actuator features a robust design with a corrosion-resistant stainless steel housing, ensuring its longevity in demanding environments. The spring-loaded mechanism provides a fast and precise response, enabling efficient and accurate damper control.
Moreover, the NFB24-S Damper Control Actuator is easy to install, with a clear marking of the actuator rotation direction and a simple wiring diagram provided on the actuator body. It also offers a wide range of adjustability, allowing for fine-tuning of the damper position to meet system requirements.
The actuator's fail-safe mechanism ensures safety and reliability, as it enables the damper to return to its default position in case of power failure or actuator malfunction. This feature is particularly important in applications such as smoke control, where the safe and efficient movement of dampers is crucial.
In summary, the Belimo NFB24-S Damper Control Actuator is a high-performing, reliable, and versatile solution for controlling dampers in HVAC systems. Its compact size, easy installation, and robust design make it an ideal choice for various applications, while its spring fail-safe mechanism ensures safety and reliability, making it a must-have component for any HVAC system.
Belimo NFB24-S Damper Control Actuator Spring Fail-Safe: A Comprehensive Analysis
The Belimo NFB24-S Damper Control Actuator is a crucial component in HVAC systems that ensures optimal airflow and indoor environmental quality. This actuator comes with a spring fail-safe mechanism as an added safety feature. In this analysis, we will discuss the pros and cons of purchasing this actuator.
Pros:1. Safety: The primary advantage of the Belimo NFB24-S Damper Control Actuator is its spring fail-safe mechanism. In the event of power failure or actuator malfunction, the spring returns the damper to its fail-safe position, ensuring continued proper ventilation.
2. Versatility: This actuator is compatible with various damper types and HVAC control systems, making it a versatile choice for various applications.
3. Energy efficiency: Belimo's damper control actuators are designed to minimize energy consumption, ensuring that your HVAC system operates at optimal efficiency.
4. Durability: The Belimo NFB24-S Damper Control Actuator is built with high-quality materials and advanced technology, ensuring long-lasting performance and reliability.
Cons:1. Cost: The Belimo NFB24-S Damper Control Actuator may be more expensive compared to other actuators without fail-safe mechanisms. However, the added safety feature justifies the investment for critical applications.
2. Complexity: Installing and integrating this actuator into an existing HVAC system may require additional expertise and resources due to its advanced features and functionality.
Conclusion:The Belimo NFB24-S Damper Control Actuator offers significant advantages in terms of safety, versatility, energy efficiency, and durability. While it may have a higher initial cost compared to other actuators, the added safety feature and long-term benefits make it a wise investment for critical HVAC applications.
Recommendation:If you are looking for a reliable and safe damper control actuator for your HVAC system, especially in applications where continued proper ventilation is crucial, the Belimo NFB24-S Damper Control Actuator is an excellent choice. Consider the cost and installation complexity in your decision-making process, but remember that the added safety feature justifies the investment.
Details:
Extra space storage. It is a spring return fail-safe actuator that operates on 24vac/dc and has 2 auxiliary outputs for easy integration with other systems. This Belimo NFB24-S damper control actuator is a reliable and efficient solution for controlling dampers in hvac refrigeration systems.
specifications maxohvac:
- brand: Belimo
- mpn: Nfb24-s
- part type: Control Actuator Safe
returns maxohvac:
- paid by: seller
- time: 30 days
- method: money back
- policy: returns accepted
seller maxohvac:
- city: avenel, new jersey
- rating: 98.3%
- # reviews: 2512
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- class: standard
- service: usps ground advantage
- type: fixed
- transit: 4-10 days
- carrier: usps
offer maxohvac:
- options: ship-to-home
- prices: $64.75–$731.12
- item condition:
- New
- New – Open box
- Used
- started: march 26, 2025
- availability: in stock
- in stock #: 5
- sold #: 20
payments maxohvac:
- wallet: paypal
- other
- credit card: discover
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![Belimo NFB24-S, 90 in-lb [10 Nm], Spring return, AC/DC24V, On/Off, 2xSPDT Belimo NFB24-S, 90 in-lb [10 Nm], Spring return, AC/DC24V, On/Off, 2xSPDT](/z_maxohvac/p4QAAOSwuqFoXXGU.webp)

![Belimo NFB24-S Damper Actuator, 90 in-lb [10 Nm], Spring Return, AC/DC 24 V Belimo NFB24-S Damper Actuator, 90 in-lb [10 Nm], Spring Return, AC/DC 24 V](/z_maxohvac/tP8AAeSwhCRpwYbn.webp)



















![BELIMO NFB24-S Damper Actuator, 90 in-lb [10 Nm], Spring return, AC/DC 24 V BELIMO NFB24-S Damper Actuator, 90 in-lb [10 Nm], Spring return, AC/DC 24 V](/z_maxohvac/EsAAAeSwRzRpsbcm.webp)



















