This Siemens electronic damper actuator operates with a 0-10 Vdc input signal and is equipped with plenum cabling. It generates 221 lb-in of torque and offers an optional adjustable start/span offset. The unit, a 24 Volt non-spring return (NSR) rotary electric actuator, modulates building HVOLT dampers. It includes built-in feedback for modulating units, a self-centering shaft coupling, an all-metal housing, and a manual override feature.
