This is a brand new Johnson Controls damper actuator motor with a voltage of 24V and model number M150. It belongs to the HVAC Damper Actuators category and can be found under HVAC & Refrigeration: Parts & Accessories and HVAC & Refrigeration on eBay's Business & Industrial section. This actuator is perfect for non-spring return damper applications.
"please note the cover plate is missing, but the damper control works as designed