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SIEMENS QRA2 Flame Detector – Reliable Fire Safety Sensor
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SIEMENS QRA2 Flame Detector – Reliable Fire Safety Sensor
Reliable UV flame detection for burner management and industrial safety systems.
| Brand | Siemens |
| Model | QRA2 |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.2 kg |
| Dimensions | 80 x 50 x 30 mm |
| Warranty | 2 years |
| Certifications | CE, UL, FM, VdS |
| SKU / MPN | BPZ:QRA2 |
| What’s in the box | Flame detector, mounting bracket, connection cable, user manual |
| Detection Range | Up to 20 m |
| Response Time | < 2 seconds |
| Spectral Range | UV (185-260 nm) |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP54 |
| Output Signal | Digital, open collector |
Key benefits: Fast response, self-checking, rugged design, long service life
Typical applications: Burner management, industrial furnaces, power plants, oil & gas
Order number: SIEMENS QRA2 Flame Detector – Reliable Fire Safety Sensor
Lifecycle: Active
Documentation: Product manual, installation guide, data sheet available on Siemens website
1 review for SIEMENS QRA2 Flame Detector – Reliable Fire Safety Sensor
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Steven R. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.