Description
The Siemens QRI2A2.B180B is a precision infrared (IR) flame detector engineered for dependable flame monitoring in commercial and industrial combustion systems. Designed as part of Siemens’ trusted QRI series, this detector integrates seamlessly with Siemens flame safeguard controls and burner management systems to provide fast, accurate flame signal feedback — helping to ensure safe and efficient burner operation.
Key Features
- Infrared (IR) flame sensing technology for reliable detection across a wide range of burner applications
- Part of the Siemens QRI series — engineered for compatibility with Siemens burner controls and flame safeguard systems
- Compact, rugged housing designed to withstand the demanding thermal and vibration conditions found in combustion environments
- Fast flame signal response supports rapid burner startup and shutdown sequences
- Suitable for use with gas, oil, and combination fuel burners
- Designed for straightforward installation and replacement in existing Siemens combustion control panels
Application
The QRI2A2.B180B is ideal for commercial boilers, industrial process burners, and other combustion systems requiring continuous, dependable flame supervision. It works in conjunction with Siemens LME, LMG, LMO, and LMV series burner controls to provide a complete, integrated flame safeguard solution.
Why Choose Siemens Combustion Controls
Siemens is a globally recognized leader in building technologies and combustion control. The QRI series flame detectors are built to exacting quality standards, offering long service life and consistent performance in critical safety applications. Specifying Siemens components throughout your burner management system ensures compatibility, simplified commissioning, and reliable code-compliant operation.
Specifications
- Brand: Siemens
- Model / SKU: QRI2A2.B180B
- Detector Type: Infrared (IR) Flame Detector
- Series: QRI
- Application: Commercial and industrial burner flame supervision
- Compatible Controls: Siemens burner management and flame safeguard control systems







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