The Siemens SQM50.464R1Z3 is a modulating actuator designed for precise positioning of dampers and fuel control valves in industrial combustion systems. Delivering 140 in-lbs (16 Nm) of torque, this actuator ensures reliable modulation with a 25-second travel time for 90-degree rotation. Featuring multi-input control compatibility, it supports various input signals for seamless integration into burner management systems. The 3/8″ square shaft and counterclockwise (CCW) rotation make it a dependable choice for fuel-air ratio control applications.
Technical Specifications
- Manufacturer: Siemens
- Model: SQM50.464R1Z3
- Torque Output: 140 in-lbs (16 Nm)
- Travel Time: 25 seconds per 90-degree rotation
- Control Signal: Multi-input (4-20 mA, 0-135 Ohms, 0-10 V)
- Rotation Direction: Counterclockwise (CCW)
- Shaft Size: 3/8″ square shaft
- Voltage: 120V AC, 50/60 Hz
- Position Feedback: Potentiometer or 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
- 140 in-lbs torque for reliable damper and valve actuation
- 25-second travel time for precise fuel-air modulation
- Multi-input control (4-20 mA, 0-135 Ohm, 0-10 V) for flexible system compatibility
- 3/8″ square shaft ensures easy installation with standard mechanical linkages
- Counterclockwise (CCW) rotation for burner and damper applications
- IP54-rated enclosure protects against dust and moisture in industrial environments
Compatible Siemens Components
- Siemens LMV3 and LMV5 Burner Management Systems
- Siemens RWF55 Controllers for fuel-air ratio adjustment
- Siemens VGD40 and VGD50 Gas Valves
- Siemens SQM5 Series Actuators for industrial combustion control
Industry Applications
- Burner and boiler fuel-air ratio control
- HVAC damper and ventilation automation
- Industrial combustion systems for process heating
- Power generation fuel control
- Kiln and furnace air-fuel management
Installation & Operational Notes
- Ensure correct wiring for control signal compatibility
- Verify shaft alignment before installation for proper mechanical linkage
- Use appropriate couplings to prevent slippage during operation
- Regular calibration recommended for optimal performance
- Follow Siemens installation guidelines for safe and reliable actuator function
Request a Quote now or call us at 1-800-755-2883 for expert assistance.
Siemens Combustion control valves and actuators are approved for use worldwide. Siemens combustion products feature modular construction for single source simplicity. Component compatibility assures low installation and operating costs plus dependable, safe operation. Rigorous quality testing optimizes reliability and process performance.