QRA50M
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Overview of Siemens QRA50M UV Flame Detector
The Siemens QRA50M is a UV flame detector designed for safe and reliable detection of gas flames, yellow or blue oil flames, and ignition spark proving. It is mounted on a viewing tube directed toward the combustion chamber and comes complete with a flange. This detector operates with an IP54 protection rating and is compatible with Siemens LFE50 burner controllers for comprehensive flame safety supervision.
Key Features
- Ultraviolet (UV) flame detection for gas and oil flames.
- Designed for mounting on a viewing tube towards the combustion chamber.
- Comes complete with a flange for easy installation.
- Protection rating of IP54 for reliable operation in harsh environments.
- Compatibility with Siemens LFE50 burner controllers for integrated system safety.
- Quick flame detection response for efficient burner operation.
- Easy replacement UV sensor tube (spare part number: 4 502 4268 0).
Technical Specs
| Specification | Details |
|---|---|
| Model | QRA50M |
| Detector Type | Ultraviolet (UV) flame detector |
| Flame Types | Gas flames, yellow or blue oil flames |
| Mounting | Viewing tube with flange |
| Protection Class | IP54 |
| Compatibility | Siemens LFE50 burner controllers |
| Spare UV Sensor Tube | 4 502 4268 0 |
Applications / Use Case
Used for reliable flame monitoring in industrial and commercial gas and oil burner systems to ensure safe combustion and prevent hazardous conditions.
Siemens offers full documentation and maintenance support for long-term reliability and safety compliance.
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