Siemens Combustion SQM40.155R11 Actuator 120V 5 Nm 15 Sec CCW Rotation

The Siemens Combustion SQM40.155R11 Actuator is designed to provide accurate control of the HVAC burner systems with smooth, durable 120V control. It turns counterclockwise in 15 seconds to change the fuel-air mixture. This 5Nm torque actuator controls dampers and valves according to the signals and improves combustion quality. It is widely applied in commercial boilers and burners, which require accurate positioning for better performance. The features of its design and control enhance energy efficiency, decrease emissions, and prolong the system’s life.