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    Rotary Actuators

    MSxx03 Diamond Series 27 lb-in. Spring Return Direct Coupled Actuators

    Used within heating, ventilating, and airconditioning (HVAC) systems to drive a variety of quarter-turn, final control elements requiring spring return fail-safe operation.

    Overview

    Honeywell has long been a leading name in actuators, and the Diamond Spring Return Actuator is the latest addition to the popular Honeywell lineup. You can count on the Diamond Actuator to support your product with reliable performance day in and day out. A simplified shaft adapter and integral conduit connector saves space and eliminates the need for additional tools or conduit connectors, and 360-degree conduit connectors swivel allowing for easy conduit installation at almost any needed angle. The combination of high quality, small size and competitive price makes the Diamond Actuator the perfect choice for high-volume, low-torque applications, including: rooftop units, economizers, compact control dampers and control valves.

    Features & Benefits:
    • Modulating, Universal, Sylk Communicating and Fire & Smoke models available
    • Easily accommodates most length, width and depth restrictions
    • 27 lb-in (3 Nm) torque
    • 24Vac / 24Vdc supply voltage
    • Low energy consumption
    • Self-centering shaft adapter (SCSA) cuts installation time
    • Fast 30s stroke test mode available
    • With and without self centering shaft adapter
    • With and without 360 degree conduit connectors
    • With and without auxiliary switches (2 x SPST, fixed at 10⁰ and 80⁰, 125Vac, 1A resistive load)
    Certifications:
    • UL60730
    • IEC 60730-1 and Part 2–14
    • UL1097 for Double Insulation
    • CE Certification Low Voltage Directive 2014/35/EU
    • CE EMC 2004/108/EC
    • Switch cables are UL certified only
    • Enclosure Ratings:
    • IP54, in horizontal and cable down positions, IP50 in cable up position.
    • NEMA 2
    • Flame Resistance UL94-5VA
    • UL2043, switch wiring dependent on conduit
    • installation
    Others
    Name
    Description
    File Size
    Date
    Size
    Replacing the M7215 with a Diamond Actuator - Technical Reference Manual
    application/pdf 801.16 KB
    6/13/2023
    801.16 KB
    MSxx03 Diamond Series 27 lb-in. Spring Return DCAs Specification Data
    application/pdf 2.17 MB
    7/19/2023
    2.17 MB
    MSxx03 27 lb-in. and MSxx05 44 lb-in. Spring Return DCAs Specification Datalb-in. Spring Return DCAs Specification Data
    application/pdf 279.29 KB
    8/9/2023
    279.29 KB
    Brochure
    Name
    Description
    File Size
    Date
    Size
    Diamond Series Spring Return Direct Coupled Actuators Brochure
    application/pdf 1.3 MB
    8/9/2023
    1.3 MB
    Installation Instructions
    Name
    Description
    File Size
    Date
    Size
    MSxx03 Diamond Series DCAs Installation Instructions
    application/pdf 10.03 MB
    7/18/2023
    10.03 MB
    Name
    Description
    File Size
    Date
    Size
    Diamond Series Spring Return Direct Coupled Actuators Brochure
    application/pdf 1.3 MB
    8/9/2023
    1.3 MB
    Replacing the M7215 with a Diamond Actuator - Technical Reference Manual
    application/pdf 801.16 KB
    6/13/2023
    801.16 KB
    MSxx03 Diamond Series DCAs Installation Instructions
    application/pdf 10.03 MB
    7/18/2023
    10.03 MB
    MSxx03 Diamond Series 27 lb-in. Spring Return DCAs Specification Data
    application/pdf 2.17 MB
    7/19/2023
    2.17 MB
    MSxx03 27 lb-in. and MSxx05 44 lb-in. Spring Return DCAs Specification Datalb-in. Spring Return DCAs Specification Data
    application/pdf 279.29 KB
    8/9/2023
    279.29 KB
    Name
    Description
    File Size
    Date
    Size
    Replacing the M7215 with a Diamond Actuator - Technical Reference Manual
    801.16 KB
    6/13/2023
    MSxx03 Diamond Series 27 lb-in. Spring Return DCAs Specification Data
    2.17 MB
    7/19/2023
    MSxx03 27 lb-in. and MSxx05 44 lb-in. Spring Return DCAs Specification Datalb-in. Spring Return DCAs Specification Data
    279.29 KB
    8/9/2023
    Diamond Series Spring Return Direct Coupled Actuators Brochure
    1.3 MB
    8/9/2023
    MSxx03 Diamond Series DCAs Installation Instructions
    10.03 MB
    7/18/2023
    Product Number
    Part Number
    Description
    Add to list
    MS7103A1021/U
    Direct Coupled Actuator, 3Nm Series, Spring Return, Modulating, 12in Conduit, SCSA, 27lb-in, 24V AC
    MS7103A2021/U
    Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, SCSA, 12 in. Conduit
    MS7103A2024/U
    Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, U-bolt, no Conduit
    MS7103A2221/U
    Direct Coupled Actuator, 3Nm Series, Spring Return, Modulating Feedback, SPST, 12in Conduit, SCSA, 27lb-in, 24V AC
    MS7103A2224/U
    Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, U-bolt, no Conduit, 2x Aux Switch
    MS7103A2224/X
    Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, U-bolt, no Conduit, 2x Aux Switch, Factory Use