Spring Return Damper Actuators
- Comprehensive torque offering (22 in-lbs to 270 in-lbs) over a vast selection of actuators for a wide range of applications.
- True mechanical spring return, providing reliable fail-safe.
- Manual override crank eases installation (all EF, AF and NF series only).
- Low power consumption provides higher efficiency and smaller transformer sizing.
- Minimum torque guaranteed over entire specified operating range, no loss in performance due to temperature or supply voltage.
- MFT is available in all spring return actuators, giving the user the flexibility to customize and
adapt a single actuator to various controllers and applications.
Applications
Belimo actuators are designed for use in a wide variety of HVAC damper applications. With our comprehensive torque range and the ability to direct mount on standard damper shafts or j
22 in-lbs (TF Series)
The TF spring return actuators meets challenges of smaller damper applications, up to 5.5 sq. ft., so common in today’s HVAC systems and equipment, including rooftop units, fan shutters, unit ventilators, and fan coil units. Installers like its simplicity, while owners like its reliability.
22 in-lbs [2.5 Nm]
Approximately 5.5 square feet
Run time 75…300 seconds
Spring Return
| Model # (Description) | Power Supply | Control Input | Torque | Auxiliary Switch |
|---|---|---|---|---|
| TFB120 Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFB120-S Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off,SW |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFB120-SR Damper Actuator,22 in-lb,Spring Return,100 to 240V,Modulating |
100 to 240 VAC +10% / -15%, 50/60 Hz | 2-10 VDC | 22 in-lbs [2.5 Nm] minimum | |
| TFB24 Damper Actuator,22 in-lb,Spring Return,24V,On/Off |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFB24-3 Damper Actuator,22 in-lb,Spring Return,24V,On/Off/Floating Point |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off, Floating Point | 22 in-lbs [2.5 Nm] minimum | |
| TFB24-3-S Damper Actuator,22 in-lb,Spring Return,24V,On/Off/Floating Point,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off, Floating Point | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFB24-MFT Damper Actuator,22 in-lb,Spring Return,24V,MFT |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | MFT (Configurable) | 22 in-lbs [2.5 Nm] minimum | |
| TFB24-MFT-S Damper Actuator,22 in-lb,Spring Return,24V,MFT,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | MFT (Configurable) | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFB24-S Damper Actuator,22 in-lb,Spring Return,24V,On/Off,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFB24-SR Damper Actuator,22 in-lb,Spring Return,24V,Modulating |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | 2-10 VDC | 22 in-lbs [2.5 Nm] minimum | |
| TFB24-SR-S Damper Actuator,22 in-lb,Spring Return,24V,Modulating,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | 2-10 VDC | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFCB120-S Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off,SW |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFCX120-S Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off,SW |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFLB120 Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFLB24 Damper Actuator,22 in-lb,Spring Return,24V,On/Off |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFX120 Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFX120-S Damper Actuator,22 in-lb,Spring Return,100 to 240V,On/Off,SW |
100 to 240 VAC +10% / -15%, 50/60 Hz | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFX24 Damper Actuator,22 in-lb,Spring Return,24V,On/Off |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off | 22 in-lbs [2.5 Nm] minimum | |
| TFX24-3 Damper Actuator,22 in-lb,Spring Return,24V,On/Off/Floating Point |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off, Floating Point | 22 in-lbs [2.5 Nm] minimum | |
| TFX24-3-S Damper Actuator,22 in-lb,Spring Return,24V,On/Off/Floating Point,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off, Floating Point | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFX24-MFT Damper Actuator,22 in-lb,Spring Return,24V,MFT |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | MFT (Configurable) | 22 in-lbs [2.5 Nm] minimum | |
| TFX24-MFT-S Damper Actuator,22 in-lb,Spring Return,24V,MFT,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | MFT (Configurable) | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFX24-S Damper Actuator,22 in-lb,Spring Return,24V,On/Off,SW |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | On/Off | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
| TFX24-SR Damper Actuator,22 in-lb,Spring Return,24V,Modulating |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | 2-10 VDC | 22 in-lbs [2.5 Nm] minimum | |
| TFX24-SR-S Damper Actuator,22 in-lb,Spring Return,24V,Modulating |
24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10% | 2-10 VDC | 22 in-lbs [2.5 Nm] minimum | 1 x SPDT, 3A resistive (0.5A inductive) @ 250 VAC, adjustable 0° to 95° |
Small but mightier
Maximum performance in minimal space.
The upgraded TF Series meets challenges of smaller damper applications, up to 5.5 sq ft, so common in today’s HVAC systems and equipment, including rooftop units, fan shutters, unit ventilators, and fan coil units. Installers like its simplicity, while owners like its reliability. Even with its small size, the new TF Series delivers a minimum of 22 in-lbs of torque throughout its design life compared to other similarly sized actuators. Plus, it’s backed by Belimo’s unsurpassed 5-year warranty.
Installations made easy.
• Direct mounts on dampers easily, ¼” - ½” shafts.
• Mounts on ½” and ¾” CCV, and ½” PICCV. (TFRB models)
• Optional linkage kits allows for easy retrofi t.
• Installers can reverse spring return action simply by fl ipping the actuator.
• Universal clamp self centering on a ½” shaft.
• Adjustable angle of rotation stop.
• Built-in auxiliary switch (-S) models, adjustable 0-95°.
• Wide range of line voltage models (100-240V).
• New line voltage model with 2-10 VDC control and feedback.
• Quieter TFL models, • Standard ½” conduit connectors
Proven reliability.
• Minimum 22 in-lb (2.5 Nm) torque throughout specifi ed temperature range.
• True mechanical power spring for reliable, fail-safe operation.
• Rugged, NEMA Type 2 (IP 42) construction.
• Electronic overload protection.
• 5-Year warranty.
