Siemens SQM56.664R1G3R

The Siemens SQM56.664R1G3R is a high-torque reversing actuator designed for industrial combustion applications, including damper and valve control in burner management systems. This actuator operates on 120V with a torque rating of 400 in-lbs and a 50-second travel time for 90-degree rotation. It features a 4-20 mA input signal, ensuring precise modulation and positioning for air and gas flow control. Unlike the SQM56.664R1G3 model, this version rotates in the clockwise (CW) direction.

Technical Specifications

  • Model: SQM56.664R1G3R
  • Voltage: 120V
  • Torque: 400 in-lbs
  • Travel Time: 50 seconds per 90-degree rotation
  • Control Signal: 4-20 mA
  • Shaft Size: 3/8″ square
  • Rotation Direction: Clockwise (CW)
  • Actuator Type: Reversing actuator for dampers and valves
  • Application: Air and gas flow control in burner management systems

Key Features

  • High torque output for controlling dampers and valves in large-scale combustion systems
  • 4-20 mA modulation provides precise and reliable positioning
  • Clockwise rotation for applications requiring specific directional control
  • Heavy-duty construction ensures long-term durability in industrial environments
  • Seamless integration with Siemens burner management and control systems

Compatible Siemens Components

  • Siemens LMV3 and LMV5 Burner Management Systems
  • Siemens Gas and Air Control Valves
  • Siemens SQM Actuator Mounting Kits

Industry Applications

  • Industrial boilers and furnaces
  • Power generation combustion control
  • Petrochemical and refinery burner management
  • Food processing and industrial drying ovens
  • HVAC and large-scale ventilation systems

Installation & Operational Notes

  • Designed for precise modulation of dampers and fuel valves in burner systems
  • 50-second travel time ensures smooth and controlled movement
  • Works with Siemens LMV burner control systems for optimized fuel-air ratio control
  • Regular maintenance and inspection recommended for long-term reliability

 

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