TFRB24-SR-B309B

The Belimo TFRB24-SR B309B actuator is a versatile and reliable solution for controlling dampers in HVAC (heating, ventilation, and air conditioning) systems. This actuator is designed to operate with a 24 VAC/DC power supply, making it suitable for various applications.

The TFRB24-SR B309B actuator is compact in size, with dimensions of 115mm x 112mm x 35mm (LxWxH), allowing for easy installation in limited spaces. It is constructed from high-quality materials, ensuring durability and long-lasting performance. The actuator features a robust stainless steel housing that protects against corrosion and wear, making it ideal for use in harsh environments.

The TFRB24-SR B309B actuator is equipped with a brushless DC motor, which provides high torque and precise control. It offers a rotation angle of 310 degrees, allowing for precise positioning of dampers. The actuator also features a built-in position feedback system, which ensures accurate positioning and provides assurance of proper damper function.

One of the key advantages of the TFRB24-SR B309B actuator is its flexibility. It can be used to control various types of dampers, such as butterfly, damper plates, and guillotine dampers. It also supports multiple communication protocols, including Modbus RTU, BACnet, and LON, making it easy to integrate into building automation systems.

The TFRB24-SR B309B actuator is designed with energy efficiency in mind. It features a standby mode that consumes minimal power when not in use, reducing energy consumption and lowering operating costs. It also includes a built-in power failure relay, which ensures damper position during power outages, providing added safety and reliability.

In summary, the Belimo TFRB24-SR B309B actuator is a high-performance, versatile, and reliable solution for controlling dampers in HVAC systems. Its compact size, robust construction, precise control, and flexible communication options make it an ideal choice for various applications. Its energy-efficient design and built-in safety features further enhance its value and make it a smart investment for any building automation project.

The Belimo TFRB24-SR B309B actuator is a 24VAC/DC modulating damper actuator designed for use in HVAC and industrial automation applications. Here are some potential pros and cons of buying this actuator:

1. Energy efficiency: Belimo actuators are known for their energy efficiency. This particular model is designed to modulate damper position based on the heating or cooling demand, which can lead to energy savings in HVAC systems.

2. Reliable: Belimo is a well-established brand in the HVAC industry. Their actuators are known for their durability and reliability, making them a popular choice for commercial and industrial applications.

3. Versatile: This actuator can be used in a variety of applications, including HVAC systems, industrial process control, and exhaust ventilation. It can also be used with a range of damper types, including butterfly, guillotine, and damper plates.

4. Easy to install: The actuator comes with a pre-wired terminal box, which makes installation easier and quicker. It also has a detachable limit switch, which can be easily adjusted to meet specific application requirements.

5. Modulating capability: The actuator can modulate the damper position based on the heating or cooling demand, which can lead to better temperature control and comfort in HVAC systems.

1. Cost: Belimo actuators can be more expensive than some other brands. However, their energy efficiency and reliability may offset the initial cost over time.

2. Complexity: This actuator requires a certain level of expertise to install and program. It may not be suitable for DIY projects or those without experience in HVAC or industrial automation.

3. Size: The actuator may be larger than some other models, which could be a consideration for applications with limited space.

In conclusion, the Belimo TFRB24-SR B309B actuator offers several advantages, including energy efficiency, reliability, versatility, ease of installation, and modulating capability. However, it may be more expensive than some other brands and require a certain level of expertise to install and program. Based on the information provided, I would recommend this actuator for commercial and industrial applications where energy savings, reliability, and modulating capability are important factors.

Details:

3-way 1/2 not valve, CV 0.8, 24 vac/dc. New Belimo TFRB24-SR Actuator. Fast and free shipping. 50/60 Hz, 4.0 va, 2.5 w.

B309b TFRB24-SR, B309B3 TFRB24-SR.

specifications maxohvac:

• brand: Belimo
• mpn: Tfrb24-sr
• model: Actuator
• part type: Actuator Box
• unit type: Unit
• country of manufacture: United States
• unit quantity: One

payments maxohvac:

• wallet: apple-pay
• credit card: mastercard
• other

offer maxohvac:

• started: october 12, 2025
• best offers: true
• sold #: 21
• options: ship-to-home
• availability: in stock
• prices: $27.00–$693.97
• item condition:
  • New – Open box
  • New
  • Used
• in stock #: 5

shipping maxohvac:

• type: calculated
• transit: 4-6 days
• carrier: usps
• service: usps ground advantage
• class: standard

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

seller maxohvac:

• rating: 99.3%
• # reviews: 9245
• city: racine, wisconsin

returns maxohvac:

• policy: returns accepted
• paid by: buyer
• method: money back
• time: 30 days

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