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SIEMENS QRA73.A17 Flame Detector

SIEMENS QRA73.A17 Flame Detector

SIEMENS QRA73.A17 Flame Detector

  • Item NO.:

    QRA73.A17
  • Market Price:

    $750
  • Product Origin:

    Germany
  • Color:

    NEW
  • Product weight:

    0.01KG
  • Lead Time:

    In stock

We will arrange delivery within 3-5 days after receiving the payment.

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                                                                                                                                                                                                                                                                                                • https://images.openai.com/static-rsc-4/Au1jQFxPqP31pHdjtJvHtAKGHLuUfr7HtF-2qq_3wWuZ3C6664J4v_s4t_8BKzd07SFMfEVDssg2eP-EpXecDkZAstLWVcqU-at9SL870PBIO9Hb-gIzfOZzF4VFUQUEx-je68dTFSMLna9fbMXDkHFbLVO70QxpzH2Vdtxd9wcT_36oYzSc_rq7fZgq4W78?purpose=fullsize
                                                                                                                                                                                                                                                                                                • SIEMENS QRA73.A17 Flame Detector

                                                                                                                                                                                                                                                                                                  Product Description

                                                                                                                                                                                                                                                                                                  The Siemens QRA73.A17 is an UV Flame Detector designed for reliable flame monitoring in burner management systems. It detects ultraviolet radiation emitted by flames and is used with Siemens burner control units for supervision of gas flames, yellow/blue oil flames, and ignition spark monitoring. The detector features normal sensitivity, 125 mm detector tube length, and 120 V AC supply voltage.

                                                                                                                                                                                                                                                                                                  Detailed Specifications

                                                                                                                                                                                                                                                                                                  Parameter Specification
                                                                                                                                                                                                                                                                                                  Manufacturer Siemens
                                                                                                                                                                                                                                                                                                  Model QRA73.A17
                                                                                                                                                                                                                                                                                                  Product Type UV Flame Detector
                                                                                                                                                                                                                                                                                                  Detection Principle Ultraviolet (UV) Flame Detection
                                                                                                                                                                                                                                                                                                  Sensitivity Normal
                                                                                                                                                                                                                                                                                                  Detector Tube Length 125 mm
                                                                                                                                                                                                                                                                                                  Supply Voltage 120 V AC
                                                                                                                                                                                                                                                                                                  Frequency 50/60 Hz
                                                                                                                                                                                                                                                                                                  Power Consumption Approx. 3.4 VA
                                                                                                                                                                                                                                                                                                  Application Burner Flame Monitoring
                                                                                                                                                                                                                                                                                                  Compatible Systems Siemens Burner Controls (LMV / LME Series)
                                                                                                                                                                                                                                                                                                  Installation Burner System Mounting

                                                                                                                                                                                                                                                                                                   

                                                                                                                                                                                                                                                                                                  Advantages & Features

                                                                                                                                                                                                                                                                                                  • High reliability flame detection using UV technology
                                                                                                                                                                                                                                                                                                  • Fast response to flame presence and failure
                                                                                                                                                                                                                                                                                                  • Suitable for gas and oil burner applications
                                                                                                                                                                                                                                                                                                  • Supports continuous flame monitoring operation
                                                                                                                                                                                                                                                                                                  • Compact design for easy burner installation
                                                                                                                                                                                                                                                                                                  • Improves combustion system safety and stability

                                                                                                                                                                                                                                                                                                  Applications

                                                                                                                                                                                                                                                                                                  • Industrial Burners
                                                                                                                                                                                                                                                                                                  • Gas-Fired Boilers
                                                                                                                                                                                                                                                                                                  • Oil-Fired Heating Systems
                                                                                                                                                                                                                                                                                                  • Combustion Control Systems
                                                                                                                                                                                                                                                                                                  • Furnace Equipment
                                                                                                                                                                                                                                                                                                  • Thermal Processing Equipment
                                                                                                                                                                                                                                                                                                  • Industrial Heating Systems

                                                                                                                                                                                                                                                                                                  Precautions

                                                                                                                                                                                                                                                                                                  • Confirm supply voltage before installation.
                                                                                                                                                                                                                                                                                                  • Ensure correct alignment between detector and flame source.
                                                                                                                                                                                                                                                                                                  • Keep the UV sensing window clean and free from contamination.
                                                                                                                                                                                                                                                                                                  • Use with compatible Siemens burner control units.
                                                                                                                                                                                                                                                                                                  • Disconnect power before maintenance or replacement. 
                                                                                                                                                                                                                                                                                                •  

The structure and details of the product:

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