Overview
The Belimo LF120-S US is a 120 V spring-return damper actuator designed for on/off fail-safe damper control in commercial HVAC systems.
Features
- 120 VAC line voltage operation eliminates need for step-down transformer
- Integrated SPST auxiliary switch for auxiliary device signaling
- Mechanical spring-return safety action during loss of line power
- Double-insulated construction
Specifications
- Torque: 35 in-lb [4 Nm]
- Nominal Voltage: 120 V AC
- Control Signal: On/Off
- Auxiliary Switch: 1 x SPST
- Running Time: 75 seconds (fail-safe <25 seconds)
Applications
- On/off fail-safe control of air dampers up to 8.8 sq. ft.
- Line-voltage ventilation and economizer control applications
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