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Siemens GMA Series Spring Return Direct-Coupled Electronic Damper Actuator

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Siemens GMA Series Spring Return Direct-Coupled Electronic Damper Actuator
Manufacturer: Siemens

The OpenAir direct-coupled, spring return electronic damper actuators provide modulating, two-position and three-position control of building HVAC dampers.

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Features Applications Model
  • Brushless motor technology
  • Bi-directional fail-safe spring return
  • Unique self-centering shaft coupling
  • Models available with dual, independently adjustable auxiliary switches
  • Floating control models available with feedback potentiometer
  • All modulating control types include built-in feedback capability
  • All metal housing
  • Manual override
  • Mechanical range adjustment capability
  • Easily visible position indicator
  • Precabled
  • UL60730 (to replace UL873) and cUL (C22.2 No. 24-93) listed conformance
  • Small actuator footprint with 62 lb-in of torque
  • 24 Vac/dc compatible
  • Outside Air Dampers
  • Mixing Boxes
  • Small Rooftop Units
  • Return Air Dampers
  • Zone Isolation Dampers
  • Economizer Units
Mfr. Part No. Description
GMA121.1U
GMA121.1P/B
GMA121.1P
GMA126.1U
GMA126.1P
GMA221.1U
GMA226.1U
GMA131.1U
GMA131.1P
GMA132.1U
GMA136.1U
GMA151.1U
GMA161.1U
GMA163.1P
GMA164.1U
GMA166.1P

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