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Rotary Actuators

Diamond 3Nm Series Spring Return Direct Coupled Actuator

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

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

  • Power Loss Action
    • Spring return
  • Application
    • HVAC
  • Brand
    • Honeywell BMS NA
  • Mounting Type
    • Direct Coupled
  • For Use With
    • Sylk Enabled controller
    • Valves and dampers with suitable linkage

Others

  • Power Loss Action
    • Spring return
  • Application
    • HVAC
  • Brand
    • Honeywell BMS NA
  • Mounting Type
    • Direct Coupled
  • For Use With
    • Sylk Enabled controller
    • Valves and dampers with suitable linkage
  • Power Loss Action : Spring return
  • Application : HVAC
  • Brand : Honeywell BMS NA
  • Mounting Type : Direct Coupled
  • For Use With : Sylk Enabled controller|Valves and dampers with suitable linkage
Installation Instructions
Name
Description
File Size
Date
Size
Installation Instructions
application/pdf 7.84 MB
2/17/2022
7.84 MB
NOTICE D’INSTALLATION
application/pdf 1.87 MB
2/17/2022
1.87 MB
Installation Instructions
application/pdf 1.09 MB
2/17/2022
1.09 MB
Installation Instructions
application/pdf 1.78 MB
2/17/2022
1.78 MB
Installation Instructions
application/pdf 410.04 KB
2/17/2022
410.04 KB
Installation Instructions
application/pdf 10.03 MB
2/17/2022
10.03 MB
Installation Instructions
application/pdf 262.97 KB
2/17/2022
262.97 KB
Wiring
application/pdf 525.49 KB
2/17/2022
525.49 KB
Brochure
Name
Description
File Size
Date
Size
Brochure for Diamond Spring Return Actuator MS7103 and MS7503 (English)
application/pdf 1.3 MB
2/17/2022
1.3 MB
Brochure for Sylk Enabled Devices (English)
application/pdf 2.86 MB
2/17/2022
2.86 MB
Engineering Specifications
Name
Description
File Size
Date
Size
Specification Data
application/pdf 279.29 KB
2/17/2022
279.29 KB
Engineering Guide Spec
application/pdf 143.64 KB
2/17/2022
143.64 KB
Specification Data
application/pdf 2.17 MB
2/11/2022
2.17 MB
Specification Data
application/pdf 306.55 KB
2/11/2022
306.55 KB
Data Sheet
Name
Description
File Size
Date
Size
Product Data
application/pdf 2.11 MB
2/17/2022
2.11 MB
Product Data
application/pdf 1.77 MB
2/17/2022
1.77 MB
DONNÉES TECHNIQUES
application/pdf 236.12 KB
2/17/2022
236.12 KB
Reference Guides
Name
Description
File Size
Date
Size
Cross Reference
application/pdf 214.89 KB
2/17/2022
214.89 KB
Name
Description
File Size
Date
Size
Installation Instructions
7.84 MB
2/17/2022
7.84 MB
Brochure for Diamond Spring Return Actuator MS7103 and MS7503 (English)
1.3 MB
2/17/2022
1.3 MB
Specification Data
279.29 KB
2/17/2022
279.29 KB
NOTICE D’INSTALLATION
1.87 MB
2/17/2022
1.87 MB
Product Data
2.11 MB
2/17/2022
2.11 MB
Cross Reference
214.89 KB
2/17/2022
214.89 KB
Installation Instructions
1.09 MB
2/17/2022
1.09 MB
Product Data
1.77 MB
2/17/2022
1.77 MB
Installation Instructions
1.78 MB
2/17/2022
1.78 MB
Engineering Guide Spec
143.64 KB
2/17/2022
143.64 KB
Installation Instructions
410.04 KB
2/17/2022
410.04 KB
DONNÉES TECHNIQUES
236.12 KB
2/17/2022
236.12 KB
Brochure for Sylk Enabled Devices (English)
2.86 MB
2/17/2022
2.86 MB
Installation Instructions
10.03 MB
2/17/2022
10.03 MB
Installation Instructions
262.97 KB
2/17/2022
262.97 KB
Wiring
525.49 KB
2/17/2022
525.49 KB
Specification Data
2.17 MB
2/11/2022
2.17 MB
Specification Data
306.55 KB
2/11/2022
306.55 KB
Image
SKU
Description
alt
MS7103K1023/B
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), No Feedback, U-bolt, 1/2 in. Conduit, Special, Bulk Pack
alt
MS7103A2021/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, SCSA, 1/2 in. Conduit
alt
MS7103A2024/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, U-bolt, no Conduit
alt
MS7103K2024/B
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, U-bolt, no Conduit, Special for MicroMetl, Bulk Pack
alt
MS7103K2022/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (2-10 Vdc), Feedback, SCSA, no Conduit, Special
alt
MS3103J1023/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Sylk Enabled, U-bolt, 1/2 in. Conduit
alt
MS3103J1023/B
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Sylk Enabled, U-bolt, 1/2 in. Conduit, Bulk Pack
alt
MS3103J1021/U
Direct Coupled Actuator, 3Nm Series, Spring Return, Sylk BUS, SCSA Shaft Adapter
alt
MS7503A2223/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (0/2-10 Vdc), Floating, U-bolt, 1/2 in. Conduit
alt
MS7503A2023/U
Direct Coupled Actuator, Spring Return, 27 lb-in, 3 Nm, 24 Vac, Modulating (0/2-10 Vdc), Floating, U-bolt, 1/2 in. Conduit