The Ruskin RUS-S120 Electric Actuator is a 27 in-lb, 100–240V actuator designed to provide reliable damper control in HVAC systems. It operates by converting electrical power into mechanical movement, positioning air dampers accurately for regulating airflow. This actuator is commonly used with air handling units, ventilation systems, VAV systems, and other HVAC equipment requiring au... https://www.partshnc.com/rus-s120-ruskin-electric-actuator-27-in-lb-torque-100-240v