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
Mechanical range adjustment capability by moving shaft coupling to desired position
Easily visible position indicator