Siemens SQM50.361R1G3

The Siemens SQM50.361R1G3 is a modulating actuator engineered for precise control of dampers and valves in industrial combustion systems. This actuator delivers 140 in-lbs (16 Nm) of torque, with a 90-degree travel time of 12 seconds, providing rapid and reliable positioning. It operates with a 4-20 mA control signal, allowing for seamless integration into advanced burner management systems. The 10 mm output shaft and counterclockwise (CCW) rotation ensure compatibility with various combustion control applications.

Technical Specifications

  • Manufacturer: Siemens
  • Model: SQM50.361R1G3
  • Torque Output: 140 in-lbs (16 Nm)
  • Travel Time: 12 seconds per 90-degree rotation
  • Control Signal: 4-20 mA
  • Rotation Direction: Counterclockwise (CCW)
  • Shaft Size: 10 mm
  • Voltage: 120V AC, 50/60 Hz
  • Position Feedback: Analog output
  • Mounting Type: Flange mounting
  • Enclosure Rating: IP54 (Dust and splash-resistant)
  • Operating Temperature Range: -4°F to 140°F (-20°C to 60°C)
  • Certifications: UL, CE, CSA

Key Features

  • High torque (140 in-lbs) for heavy-duty damper and valve applications
  • Fast response time (12 sec for 90° rotation) for precision control
  • 4-20 mA control signal for seamless automation system integration
  • 10 mm shaft size ensures easy compatibility with standard linkages
  • Counterclockwise (CCW) rotation for specific burner management applications
  • IP54-rated enclosure protects against dust and water ingress

Compatible Siemens Components

  • Siemens LMV3 and LMV5 Burner Management Systems
  • Siemens RWF55 Controllers for precision air-fuel ratio adjustment
  • Siemens VGD40 and VGD50 Gas Valves
  • Siemens SQM5 Series Actuators for advanced combustion control

Industry Applications

  • Industrial burner and boiler control systems
  • Fuel-air ratio management in power plants
  • HVAC and ventilation damper automation
  • Furnace and kiln temperature regulation
  • Process heating and gas flow control

Installation & Operational Notes

  • Ensure correct wiring for 4-20 mA control signal and feedback
  • Verify shaft alignment with connected damper or valve before installation
  • Use proper mechanical couplings to ensure secure operation
  • Routine calibration and maintenance recommended for optimal performance
  • Follow Siemens installation guidelines for proper actuator setup

 

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