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Products » Controls » Actuators » Fire & Smoke Actuators

Fire & Smoke Damper Acuators

Smoke dampers are passive fire protection products used in air conditioning and ventilation ductwork to prevent the spread of smoke inside the ductwork where the ductwork penetrates fire-resistance rated walls and floors. The actuators are used to open & close the dampers.


  • True mechanical spring return the most reliable failsafe.
  • Reverse mount for clockwise or counterclockwise fail-safe.
  • Check damper position easily with clear position indicator.
  • FSNF and FSLF actuators meet Uniform Building Code (UBC) requirements.

Downloads and Additional Data:




Results 1 - 4 of 4

ItemVoltsTypeControl SignalTorque (Inch lbs)
BELI FSLF120120Spring ReturnOn/Off30
Fire and Smoke Spring Return Actuator 30in-lb 120V UL555
BELI FSLF120-S120Spring ReturnOn/Off30
Fire and Smoke Spring Return Actuator 30in-lb 120V w/ Auxiliary Switch UL555
BELI FSNF120120Spring ReturnOn/Off70
Fire and Smoke Spring Return Actuator 70in-lb 120V UL555
BELI FSNF120-S120Spring ReturnOn/Off70
Fire and Smoke Spring Return Actuator 70in-lb 120V w/ Auxiliary Switch UL555