Honeywell MS4103F1223 Spring Return Fire & Smoke Damper Actuator 3Nm 27 lb-In 120-230V

The Honeywell MS4103F1223 Spring Return Fire & Smoke Damper Actuator is an electromechanical control system designed for operation of a component. It provides 3 Nm torque with a 27 lb-In output to drive damper blades in air handling applications in HVAC systems. This actuator is installed in ductwork assemblies where controlled airflow and smoke isolation are required for secure operation. Its spring return mechanism allows the damper to move to a predetermined position when power is interrupted. The actuator operates as the link between the control system and damper assembly, supporting ventilation management and fire safety operates within commercial air distribution equipment.