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Siemens Servo Motor, SQN75.664.A21B

Siemens Servo Motor, SQN75.664.A21B
Siemens Servo motor, SQN75.664.A21B Siemens Servo Motor, SQN75.664.A21B

Siemens Servo Motor, SQN75.664.A21B

SKU: 119.423.05

Siemens Servo motor, SQN75.664.A21B, Reversible electromotoric actuators for air dampers and valves of oil or gas burners of small to medium capacity.

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Product Description


Use and features

The SQN7... actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, for load-dependent control of the fuel and combustion air volume:

  • In connection with P-PI or PID controllers, such as the RWF40...
  • Directly via the different types of burner controls, such as LFL..., LME..., LMG..., LMO..., LOA...
  • In connection with 1- or 2-wire control or 3-position controllers

All types of actuators feature:

  • Impact-proof and heat-resistant plastic housings
  • Screw terminals for the electrical connections
  • Maintenance-free gear train, which can be disengaged
  • Internal position indication
  • Easy-to-adjust end and auxiliary switches for adjusting the switching points
  • Integrated electronic circuits
  • Holding torque:
    • SQN70... / SQN71... / SQN75.. 0.7...1.3 Nm
    • SQN74... 0.7 Nm
  • Running time:
    • SQN70... / SQN71... / SQN75... 4...30 s
    • SQN74... 4 s
  • Direction of rotation:
    • SQN70... / SQN74... counterclockwise
    • SQN71... / SQN75... clockwise
  • Equivalent to actuators of the same category made by Conectron and Berger
Additional Information

Additional Information

Name Siemens Servo Motor, SQN75.664.A21B
Estimated delivery 1 week
Manufacturer Siemens
Country of Manufacture Germany
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