Manufacturer Name: Honeywell Product Number: MS4104F1010/U OEM Part Number: MS4104F1010/U Product Description: 120V 30 Lb-In Fire Smoke Actuator 0 Internal Switches Weight:6lbs/2721.55g The Honeywell MS4104F1010/U-120V is a 30 lb-in fire and smoke damper actuator designed for critical life safety systems. This actuator, available from PartsHnC, uses an electric motor of fire an... https://www.partshnc.com/ms4104f1010u-honeywell-120v-30-lb-in-fire-smoke-actuator-0-internal-switches