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

Siemens GMA Series Spring Return Direct-Coupled Electronic Damper Actuator

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