Honeywell MS4104F1210 SR W/2 Switch Damper Actuator Fire & Smoke 30 lb-in 120V

The Honeywell MS4104F1210 functions as a spring return damper actuator which serves HVAC systems for fire and smoke control purposes. The 120V actuator delivers 30 lb-in of torque through two switches that enable exact damper control. Air ducts equipped with fire and smoke dampers use this device to ensure automatic operation in fire and smoke event. The spring return function activates when power fails to push the damper into its fail-safe position blocking smoke and fire from spreading. The actuator delivers three important advantages through its functionality which includes safer buildings and fire code compliance and dependable damper operation.