The Belimo BF9M7A is a robust 18 Nm spring return actuator specifically engineered for reliable operation of fire and smoke dampers in HVAC systems. It operates on an AC/DC 24V power supply and utilizes On/Off, 2-point control for precise damper positioning. This actuator is equipped with two SPDT auxiliary switches, rated at 7 A (2.5 A) @ 250 VAC, providing essential feedback and control capabilities. It features a motor running time of 75 seconds and a rapid spring return time of 20 seconds (less than 20 seconds), ensuring quick and safe response in emergency fire and smoke control scenarios. With an IP54 protection class, the BF9M7A is suitable for various indoor environments, offering durability and consistent performance.