Description
The Belimo TFB120-SR is a high-quality spring return damper actuator engineered for dependable performance in commercial and industrial HVAC applications. Designed to provide precise, proportional damper positioning, this actuator is a trusted solution for air handling units, VAV systems, and building automation installations.
Key Features
- Spring return fail-safe operation — damper returns to a defined safe position on power loss
- 22 in-lb (2.5 Nm) nominal torque output for reliable damper actuation
- Proportional 2–10 Vdc control signal for accurate, modulating positioning
- 120 Vac power supply for compatibility with standard commercial HVAC control systems
- Compact, direct-coupled design eliminates the need for crank arms or linkages
- Manual override function allows positioning without power for commissioning and maintenance
- Overload protection throughout the actuator’s full rotation range
Application
The TFB120-SR is ideal for use on dampers in air handling units, mixed-air systems, exhaust systems, and VAV terminal units where fail-safe spring return operation is required. Its proportional 2–10 Vdc input makes it fully compatible with most building automation and direct digital control (DDC) systems.
Specifications
- Brand: Belimo
- Model / SKU: TFB120-SR
- Actuator Type: Spring Return
- Torque: 22 in-lb
- Control Signal: 2–10 Vdc (Proportional)
- Power Supply: 120 Vac
- Fail-Safe: Yes — Spring Return
- Mounting: Direct Coupled
Why Choose Belimo?
Belimo is a globally recognized leader in actuator, valve, and sensor technology for the HVAC industry. Belimo actuators are known for their precision engineering, long service life, and ease of installation — making them a preferred choice among mechanical contractors and building automation professionals worldwide.
Reviews
There are no reviews yet.