
Siemens SQN70.244B20 actuator
Compact servo drive Siemens SQN70.244B20 for small and medium power burners Fast and precise air damper control in 4 seconds Siemens SQN70.244B20 is a high-tech electromechanical actuator for precise control of the air damper in gas and oil burners of small and medium power. The model is specially designed for Siemens burner automation systems and provides fast and reliable air metering at all stages of burner operation: from pre-purge to operation at maximum power. If you need a compact, fast and energy-efficient device for your boiler room, SQN70.244B20 is the optimal choice. Key advantages Record speed - 90° rotation time is only 4 seconds. This is 7 times faster than many industrial analogues and ensures lightning-fast burner start-up. Energy efficiency - power consumption is only 6 VA. Minimal power consumption reduces operating costs and allows the actuator to be used in systems with limited energy resources. Wide adjustment range - the damper can open at angles from 0° to 160°, providing flexibility for different burner operating modes. Reliable protection against blocking - built-in motor protection prevents actuator failure when the damper mechanism jams. Ease of adjustment and maintenance - the gear transmission requires no maintenance or lubrication throughout its entire service life. If necessary, the shaft can be easily disconnected from the gearbox manually. Germany - original Siemens quality, country of manufacture - Germany. Technical specifications Model: SQN70.244B20 Order numbers: 884.712.212 / S55454-D316-A100 Supply voltage: 220 V AC, 50/60 Hz Power consumption: 6 VA Torque