Belimo TFRB24-SR Spring Return Damper Actuator in-lb - 24V 22 2-10VDC

The Belimo TFRB24-SR is a spring return damper actuator designed for HVAC control applications requiring fail-safe positioning. This actuator provides 22 inch-pounds of torque and operates on 24 VAC/DC power, making it suitable for modulating control of dampers in commercial building automation systems.

Key Features:

• Spring return operation for fail-safe positioning to home position on power loss
• 22 inch-pounds (2.5 Nm) of torque for reliable damper control
• 2-10 VDC or 4-20 mA modulating control signal input
• 24 VAC/DC universal power supply for installation flexibility
• Proportional control with floating point positioning
• Compact design with direct mounting to damper shaft
• Built-in auxiliary switches for status indication
• Durable construction for long service life in commercial HVAC environments

The TFRB24-SR features Belimo's proven spring return mechanism that automatically returns the damper to its home position in the event of power failure, providing safety and energy efficiency. The "R" designation indicates the inclusion of auxiliary switches for remote status monitoring and integration with building management systems. Ideal for VAV boxes, mixing dampers, and other HVAC control applications requiring reliable modulating control.