Denovo

The Siemens SQM50.543A80B is a reversible electronic actuator designed for controlling air and gas dampers in industrial and commercial burner applications. It provides 15 Nm of torque, operates on AC 24V, and features a single-wire potentiometer for feedback. The actuator has a 9mm square drive shaft, runs for 45 seconds per 90° rotation, and is rated IP54 for protection. Key features include an electronic module, four limit switches, and a working angle of up to 160°.