The OpenAir direct coupled 24 Vac non-spring return (NSR) rotary electric
actuator is designed for three-position (floating) control of building HVAC
dampers.
These actuators are used in constant or variable air volume installations for
the control of return air, mixed air, exhaust, and face and bypass dampers
requiring up to 221 lb-in (25 Nm) or 310 lb-in (35 Nm) torque.
Features:
- Unique self-centering shaft coupling
- All metal housing
- Manual override
- Independently adjustable dual auxiliary switches available
- Built in potentiometer option
- Two torque ranges available
- UL, CE and cUL listed