Overview
The Belimo FSNF120 US is a 120 V spring-return fire and smoke damper actuator designed for high-temperature life safety applications.
Features
- 120 V line-voltage operation for direct AC power supply integration
- Fast-acting spring return in under 15 seconds during safety shutdowns
- High temperature rating up to 350°F [177°C]
- UL555 and UL555S compliant construction
Specifications
- Torque: 70 in-lb [8 Nm]
- Nominal Voltage: 120 V AC
- Control Signal: On/Off
- Running Time: <15 seconds
- Enclosure Rating: IP40, NEMA 1
Applications
- Combination fire and smoke dampers up to 12 sq. ft.
- Commercial building HVAC life safety and smoke extraction systems



Reviews
There are no reviews yet.