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    Rotary Actuators

    MSxx04F 30 lb-in. and MSxx09F 80 lb-in. Fire and Smoke Damper Actuators

    The MS4104, MS4109, MS4604, MS4609, MS8104 and MS8109 are spring return direct coupled actuators (DCA) for Fire and Smoke dampers.

    Overview

    The MS4104, MS4109, MS4604, MS4609, MS8104 and MS8109 Fast-Acting, Two-Position Actuators are spring return direct coupled actuators (DCA) for Fire and Smoke dampers (on/off control). The actuator accepts an on/off signal from a single-pole, single-throw (SPST) controller. Reversible mounting allows actuator to be used for either clockwise (cw) or counterclockwise (ccw) spring rotation.

    Features & Benefits:
    • 30 lb-in. (3.4 Nm) or 80 lb-in. (9 Nm) minimum driving torque at 350°F (176°C)
    • Reversible mounting facilitates use in either clockwise (cw) or counterclockwise (ccw) spring rotation
    • Integral spring return ensures level of return torque
    • Fifteen-second spring return timing
    • No special cycling required during long-term holding
    • No audible noise during holding
    • Patent pending design eliminates need for limit switches to reduce power consumption
    • Ninety-five degree angle of rotation
    • Actuator holds rated torque at reduced power level
    • Die-cast aluminum housing
    • Housing design allows flush mounting to damper
    • Models available with SPST position-indicating switches (7°, 85° stroke).
    Certifications:
    • Designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories Inc UL555S ratings up to 350°F
    • Non-UL marked models available
    Others
    Name
    Description
    File Size
    Date
    Size
    MSxx10 Series 88 lb-in. Spring Return DCAs Specification Data
    application/pdf 306.55 KB
    8/9/2023
    306.55 KB
    Fire and Smoke Damper Actuator Field Replacement Guide
    application/pdf 1.14 MB
    6/19/2023
    1.14 MB
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Specification Data
    application/pdf 627.39 KB
    6/26/2023
    627.39 KB
    Data Sheet
    Name
    Description
    File Size
    Date
    Size
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data
    application/pdf 864.82 KB
    2/1/2018
    864.82 KB
    DONNÉES SUR LE PRODUIT
    application/pdf 2.11 MB
    8/9/2023
    2.11 MB
    MS4120F, MS4620F,S, MS8120F,S, S2024-F, S20230-F Product Data
    application/pdf 1.12 MB
    6/29/2023
    1.12 MB
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data - Russian
    application/pdf 830.61 KB
    2/1/2018
    830.61 KB
    Name
    Description
    File Size
    Date
    Size
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data
    application/pdf 864.82 KB
    2/1/2018
    864.82 KB
    DONNÉES SUR LE PRODUIT
    application/pdf 2.11 MB
    8/9/2023
    2.11 MB
    MSxx10 Series 88 lb-in. Spring Return DCAs Specification Data
    application/pdf 306.55 KB
    8/9/2023
    306.55 KB
    MS4120F, MS4620F,S, MS8120F,S, S2024-F, S20230-F Product Data
    application/pdf 1.12 MB
    6/29/2023
    1.12 MB
    Fire and Smoke Damper Actuator Field Replacement Guide
    application/pdf 1.14 MB
    6/19/2023
    1.14 MB
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data - Russian
    application/pdf 830.61 KB
    2/1/2018
    830.61 KB
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Specification Data
    application/pdf 627.39 KB
    6/26/2023
    627.39 KB
    Name
    Description
    File Size
    Date
    Size
    MSxx10 Series 88 lb-in. Spring Return DCAs Specification Data
    306.55 KB
    8/9/2023
    Fire and Smoke Damper Actuator Field Replacement Guide
    1.14 MB
    6/19/2023
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Specification Data
    627.39 KB
    6/26/2023
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data
    864.82 KB
    2/1/2018
    DONNÉES SUR LE PRODUIT
    2.11 MB
    8/9/2023
    MS4120F, MS4620F,S, MS8120F,S, S2024-F, S20230-F Product Data
    1.12 MB
    6/29/2023
    MS4104, MS4109, MS4604, MS4609, MS8104, MS8109 Fast-Acting, Two-Position Actuators Product Data - Russian
    830.61 KB
    2/1/2018
    Product Number
    Part Number
    Description
    Add to list
    MS4604F1010/U
    Fire and Smoke Actuator, Spring Return, 30 lb-in, 230 Vac, 2-position (SPST)
    MS4604F1210/U
    Actuator, 2-Position, Fast-Acting, 30lb-in, 230V AC, Direct Coupled, Spring Return, 2 Auxiliary Switches
    MS4609F1010/U
    Fire and Smoke Actuator, Spring Return, 80 lb-in, 230 Vac, 2-position (SPST)
    MS4609F1210/U
    Actuator, 2-Position, Fast-Acting, 80lb-in, 230V AC, Direct Coupled, Spring Return, IP40
    MS8104F1010/U
    Fire and Smoke Actuator, Spring Return, 30 lb-in, 24 Vac, 2-position (SPST)
    MS8104F1210/U
    Fire and Smoke Actuator, Spring Return, 30 lb-in, 24 Vac, 2-position (SPST), 2x Aux Switch
    MS8109F1010/U
    Fire and Smoke Actuator, Spring Return, 80 lb-in, 24 Vac, 2-position (SPST)
    MS8109F1210/U
    Fire and Smoke Actuator, Spring Return, 80 lb-in, 24 Vac, 2-position (SPST), 2x Aux Switch