The Schneider Electric (Barber Colman) MS41-7073 Proportional Damper Actuator is a 24V direct-mount control device with 60 lb-in torque designed to modulate airflow in HVAC systems. It converts electrical signals into precise mechanical movement to position dampers accurately, optimizing ventilation and temperature control in commercial and residential heating and cooling applications... https://www.partshnc.com/ms41-7073-schneider-electric-barber-colman-24v-60-sr-prop-dir-mnt