Description
The Belimo TFX120 is a heavy-duty, spring return damper actuator engineered for reliable on/off control in commercial and industrial HVAC applications. Designed to deliver 22 in-lb of torque at 120 VAC, this actuator provides dependable fail-safe operation — automatically returning the damper to its spring-loaded position upon loss of power, making it ideal for critical ventilation, exhaust, and fresh-air systems.
Built on Belimo’s proven TFX-series platform, the TFX120 is a trusted choice for HVAC contractors, building automation engineers, and mechanical system designers who demand consistent performance and long service life.
Key Features
- Spring return fail-safe design ensures damper returns to safe position on power loss
- 22 in-lb nominal torque for positive damper control
- On/Off control signal for straightforward integration
- 120 VAC power supply for compatibility with standard commercial HVAC control circuits
- Direct-coupled design — no crank arms or linkages required
- Compact, rugged housing suitable for commercial and light industrial environments
- Manual override for commissioning and maintenance convenience
- Quiet, gear-driven operation with overload protection
Specifications
- Model: TFX120
- Brand: Belimo
- Torque: 22 in-lb
- Control Type: On/Off
- Supply Voltage: 120 VAC
- Actuator Type: Spring Return
- Application: Damper Actuator / Damper Motor
Typical Applications
- Air handling units (AHUs)
- Ventilation and exhaust dampers
- Outside air and return air dampers
- Fire and smoke control system dampers
- Building automation and HVAC zoning systems
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