Overview
The Belimo TFB120-S is a line-voltage spring return damper actuator featuring a built-in auxiliary switch for on/off fail-safe control and position feedback.
Features
- Operates on 100-240 VAC line voltage for versatile installation options
- Integrated SPDT auxiliary switch enables status monitoring and equipment interlocking
- Mechanical spring return guarantees emergency fail-safe closure
- Universal shaft clamp for direct mounting to damper shafts
Specifications
- Torque: 22 in-lb [2.5 Nm]
- Nominal Voltage: AC 100…240 V
- Control Type: On/Off
- Actuator Type: Spring Return
- Auxiliary Switch: 1 x SPDT
- Damper Area: Up to 5.5 sq ft
Applications
- On/off fail-safe damper control with position status feedback
- Fan interlocking, safety shut-off, and air handler ventilation systems



Reviews
There are no reviews yet.