Siemens OpenAir Actuator GCA151.1USiemens OpenAir Actuator GCA151.1U

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

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Brushless DC motor technology with stall protection

Bi-directional fail-safe spring return

Unique self-centering shaft coupling

All modulating models offer built-in feedback

All metal housing

Manual override

Mechanical range adjustment capability by moving shaft coupling to desired position

Easily visible position indicator