PhotoCell/FLAME DETECTOR/SIEMENS MODEL:QRB1B

PhotoCell/FLAME DETECTOR/SIEMENS MODEL:QRB1B

Siemens QRB1B PhotoCell Flame Detector: Precision for Burner Safety

The Siemens QRB1B is a specialized photoelectric flame detector engineered to ensure the safe and efficient operation of burner systems. This compact device is designed to continuously monitor the presence and quality of the burner flame, providing critical feedback to the control system for rapid response in case of flame failure or irregular combustion.

Key Specifications

• Operating Voltage: 24VDC
  The detector is optimized to work on a low-voltage DC supply, ensuring compatibility with most industrial control systems.
• Current Consumption: 20mA
  With a low current draw, the QRB1B is energy efficient, contributing to overall system efficiency.
• Terminal Function: Photo Electric
  Its photoelectric terminal is designed to accurately sense the light emitted from the burner flame, ensuring reliable detection of flame presence.
• IP Rating: IP40
  The detector is rated IP40, making it suitable for indoor applications where it is protected from solid objects over 1 mm in diameter but not from water ingress. This rating is adequate for controlled industrial environments.
• Housing Material: Plastic
  Constructed with durable plastic, the QRB1B is lightweight yet robust enough to withstand the rigors of an industrial setting.
• Dimensions: 50 x 48 mm
  Its compact size allows for easy integration into various burner assemblies without requiring significant additional space.

How It Works

The QRB1B operates on the principle of photoelectric detection. When the burner is active, it emits a characteristic light spectrum. The QRB1B senses this light using its photoelectric sensor. If the flame diminishes or goes out, the sensor detects the change in light intensity and signals the burner control system. This immediate feedback enables the system to shut down fuel supply or initiate safety protocols, preventing hazardous conditions.

Integration in Burner Systems

Designed for use on burners, the Siemens QRB1B is an integral component in maintaining optimal combustion conditions. Its ability to monitor flame presence in real time makes it essential for:

• Ensuring Safe Operation: Promptly detecting flame failure to trigger shutdowns and avert potential hazards.
• Optimizing Burner Performance: Providing feedback to the burner controller for adjustments in fuel delivery, ensuring stable and efficient combustion.
• Reducing Downtime: By offering precise diagnostics through its integrated sensor, maintenance personnel can quickly identify and address issues, keeping the burner system running reliably.

Advantages

• Energy Efficiency: The low 20mA current consumption contributes to the overall energy efficiency of the burner system.
• Compact and Durable: With its small dimensions and rugged plastic housing, the QRB1B can be seamlessly incorporated into various burner assemblies without compromising on durability.
• Reliable Flame Detection: The photoelectric terminal function ensures that even subtle changes in flame intensity are detected, providing robust safety monitoring.

Conclusion

The Siemens QRB1B PhotoCell Flame Detector is a critical component for any burner system, ensuring that the flame is continuously monitored for optimal performance and safety. Its precise photoelectric detection, energy-efficient design, and robust construction make it a reliable alternative for modern burner control applications. Whether integrated into new installations or used as an upgrade in existing systems, the QRB1B enhances operational safety and contributes to efficient, uninterrupted burner performance.