The Belimo AFBUP HVAC Spring Return Damper Actuator is a reliable and efficient component designed to control the movement of dampers in heating, ventilation, and air conditioning systems. With a power source of corded electric and a voltage of 120V, this model is built to last and provide consistent performance. Featuring a fail-safe design, the Belimo AFBUP ensures that even in the event of a power failure, the damper will return to its default position, maintaining optimal airflow and temperature control in your HVAC system.