The Siemens SQM50.684A2 is a robust and reliable servo motor from the SQM5 series, engineered for the precise control of air dampers and control valves in industrial combustion applications, such as oil and gas burners. This actuator operates on a standard 230V AC supply and is built to last, featuring an IP54 protection class to withstand demanding environments. Its design includes a convenient flange mounting interface with a central output shaft, ensuring versatile and secure installation. For ease of use during setup and maintenance, it incorporates a manual override function. Made in Germany, the SQM50.684A2 is a trusted component for achieving optimal burner performance and efficiency.