Description
The Belimo TFCB120-S is a reliable, commercial-grade spring return damper actuator engineered for precise On/Off control in HVAC air-handling and building automation applications. Designed for demanding environments, this actuator delivers consistent, repeatable performance and integrates seamlessly into a wide range of damper control systems.
Key Features
- Spring return operation ensures fail-safe damper positioning on power loss
- 22 in-lb (2.5 Nm) torque output for dependable damper actuation
- On/Off control signal for straightforward integration with standard HVAC controls
- 120Vac power supply for compatibility with common commercial electrical systems
- 35-second runtime for smooth, controlled damper movement
- Built-in auxiliary switch for end-position feedback and system interlocking
- Compact, rugged housing suitable for tight mechanical room installations
Product Specifications
- Brand: Belimo
- SKU: TFCB120-S
- Actuator Type: Spring Return
- Torque: 22 in-lb
- Control Type: On/Off
- Supply Voltage: 120Vac
- Runtime: 35 seconds
- Auxiliary Switch: Included
Applications
- Commercial air handling units (AHUs)
- Ventilation and exhaust damper control
- Building automation and energy management systems
- Fire/smoke damper interlock circuits utilizing auxiliary switch feedback
- VAV and constant-volume HVAC systems requiring fail-safe positioning
The TFCB120-S auxiliary switch provides end-position status feedback, making it ideal for system interlocks, proof-of-position monitoring, and integration with building automation controllers. The spring return mechanism guarantees the damper returns to its fail-safe position whenever power is interrupted, enhancing system safety and code compliance.
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