The Siemens SQM50.264R1A3 is a high-speed modulating actuator designed for industrial combustion systems that require precise control of dampers and valves. This model features 90 in-lbs (10 Nm) of torque, an 8-second travel time for 90-degree rotation, and potentiometer feedback for real-time position monitoring. Its 3/8″ square shaft and counterclockwise (CCW) rotation make it a reliable choice for fuel-air ratio control in burner management systems.
Technical Specifications
- Manufacturer: Siemens
- Model: SQM50.264R1A3
- Torque Output: 90 in-lbs (10 Nm)
- Travel Time: 8 seconds per 90-degree rotation
- Control Type: Analog modulating control
- Position Feedback: Potentiometer for real-time position monitoring
- Rotation Direction: Counterclockwise (CCW)
- Shaft Size: 3/8″ square shaft
- Voltage: 120V AC, 50/60 Hz
- 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
- Fast actuation time (8 sec for 90° rotation) for quick response control
- 90 in-lbs of torque for handling various damper and valve applications
- Potentiometer feedback for precise position monitoring and automation
- 3/8″ square shaft ensures easy integration with standard couplings
- Counterclockwise (CCW) rotation suitable for air-fuel control applications
- IP54-rated enclosure provides protection in industrial settings
Compatible Siemens Components
- Siemens LMV3 and LMV5 Burner Management Systems
- Siemens SQM5 Series Actuators for advanced combustion control
- Siemens RWF55 Controllers for accurate air-fuel ratio adjustment
- Siemens VGD40 and VGD50 Gas Valves
Industry Applications
- Burner and boiler combustion control
- HVAC damper and ventilation system automation
- Power plants and fuel-air ratio management
- Furnace and kiln temperature regulation
- Industrial process heating and gas flow control
Installation & Operational Notes
- Ensure correct wiring connections for control signal and potentiometer feedback
- Verify shaft alignment with damper or valve assembly before installation
- Use appropriate couplings to prevent slippage during operation
- Regular maintenance and calibration recommended for optimal long-term performance
- Install according to Siemens guidelines for proper functionality and safety
Request a Quote now or call us at 1-800-755-2883 for expert assistance.