The Siemens SQM50.450R8H3 is a high-performance modulating actuator designed for industrial combustion control applications, providing precise positioning of air and fuel valves, dampers, and other control devices. As part of the Siemens SQM5 series, this actuator is engineered for reliability, durability, and seamless integration into combustion control systems.
Technical Specifications:
- Manufacturer: Siemens
- Model Number: SQM50.450R8H3
- Control Type: Modulating actuator with precision positioning
- Torque Output: Up to 40 Nm (Newton-meters) for high-torque applications
- Shaft Rotation Angle: Up to 90°
- Operating Voltage: 120V AC
- Position Feedback: Potentiometer-based feedback for closed-loop control
- Drive Motor: Synchronous motor with high-efficiency operation
- Control Signal Compatibility: 4-20mA, 0-135Ω, or 0-10V DC for seamless integration with control systems
- Fail-Safe Mechanism: Spring return or electronic failsafe for emergency shutdown operations
- Speed Adjustment: Adjustable speed settings for precise valve and damper control
- Mounting Orientation: Universal mounting for flexible system integration
- Protection Rating: IP54-rated housing for protection against dust and water ingress
- Housing Material: Rugged metal construction for industrial durability
- Operating Temperature Range: -20°C to +60°C for reliable operation in harsh environments
- Weight: Approximately 8-12 lbs (varies by configuration)
- Certifications: CE, UL, and CSA-approved for safety compliance
Key Features:
✔ High Torque Output: 40 Nm capacity ensures efficient operation of heavy-duty dampers and fuel valves.
✔ Advanced Positioning Accuracy: Provides precise modulation for optimal combustion control.
✔ Multiple Control Inputs: Supports 4-20mA, 0-135Ω, or 0-10V DC signals for flexible integration.
✔ Durable Motor Technology: Equipped with a synchronous motor for long-lasting performance.
✔ Fail-Safe Options: Spring return and electronic failsafe options ensure safe operation during power loss.
✔ Wide Operating Voltage: 120V AC compatibility makes it suitable for a variety of power sources.
✔ Robust Metal Housing: IP54-rated enclosure provides protection against environmental elements.
✔ Universal Mounting: Can be installed in multiple orientations for easy retrofitting into existing systems.
✔ Position Feedback System: Integrated potentiometer allows real-time monitoring and control adjustments.
✔ Industrial Grade Reliability: Designed for continuous operation in demanding industrial environments.
Applications:
The Siemens SQM50.450R8H3 Actuator is widely used in combustion control systems and industrial process applications, including:
🔹 Industrial Burners: Precise modulation of gas and oil-fired burner systems for fuel efficiency.
🔹 Boiler Systems: Air and fuel control for optimized combustion in steam and hot water boilers.
🔹 Kilns & Furnaces: Used in high-temperature process heating for precise airflow management.
🔹 HVAC Dampers: Controls air dampers for ventilation and temperature regulation in large systems.
🔹 Petrochemical Industry: Regulates fuel flow and combustion air in refineries and gas processing plants.
🔹 Power Generation: Ensures accurate fuel-air ratio in gas turbines and power plant boilers.
🔹 Food Processing Plants: Used in controlled combustion ovens and drying applications.
🔹 Steel & Glass Manufacturing: Manages combustion efficiency in melting and annealing processes.
🔹 Incinerators: Modulates air and fuel flow to ensure efficient and safe waste combustion.
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.