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SIEMENS SQN31 4QIA2700 electromotive actuators
SIEMENS SQN31 4QIA2700 electromotive actuators

SIEMENS SQN31 4QIA2700 electromotive actuators

  • Gas and oil burners
  • Boiler air dampers
  • Fuel/air ratio control
  • Industrial furnaces
  • HVAC systems
  • Power plants and process heating
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    The SIEMENS SQN31.4QIA2700 is part of the SQN31 series of electromotive actuators designed for precise positioning of air dampers and fuel/air ratio control valves in small to medium capacity burners. These actuators are commonly used in industrial heating systems.
  • Operating Voltage: 230V AC, 50/60 Hz
  • Torque: Approx. 3–5 Nm
  • Opening Time: 30–60 seconds for 90°
  • Rotation Angle: 90° or 130°
  • Switches: 2 limit + 2–3 auxiliary
  • Position Indicators: Internal and external
  • Mounting: Flange-mounted
  • Protection Class: IP40–IP54