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QRA4.U SIEMENS Flame Detector: Advanced Combustion Sensing
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SIEMENS Flame Detector QRA4.U for Reliable Fire Detection
High-reliability UV/IR flame detection for industrial fire safety, compliant with global standards, ensuring minimal false alarms.
| Brand | SIEMENS |
| Model | QRA4.U |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.3 kg |
| Dimensions | 120 mm x 80 mm x 50 mm |
| Warranty | 2 years |
| Certifications | EN 54-10, UL 521, FM, VdS |
| SKU / MPN | QRA4.U-001 |
| What’s in the box | 1x Flame Detector QRA4.U, 1x Mounting Bracket, 1x User Manual |
| Detection Range | Up to 20 meters (UV/IR) |
| Response Time | < 5 seconds |
| Operating Temperature | -20°C to +60°C |
| Protection Rating | IP66 |
| Spectral Sensitivity | UV (185-260 nm) and IR (4.3-4.5 m) |
| Output Signal | Relay (NO/NC), 4-20 mA |
Key benefits: Fast response, dual-spectrum technology, robust IP66 housing, easy integration with fire panels.
Typical applications: Oil & gas refineries, chemical plants, power generation, industrial warehouses.
Order number: SIEMENS Flame Detector QRA4.U for Reliable Fire Detection
Lifecycle: Active, with long-term support and spare parts availability.
1 review for QRA4.U SIEMENS Flame Detector: Advanced Combustion Sensing
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Steven R. –
Profibus modules arrived with proper firmware version. Plug and play.