SIEMENS QRA73.A17 UV.PHOTOCELL LAMP

General Description:
The QRA73.A17 is a UV flame detector designed for high-capacity oil and gas burners. It operates using the ultraviolet light principle, offering high reliability and detection sensitivity for continuous industrial operation.

Technical Specifications:

• Detection Type: Ultraviolet (UV)

• Spectral Sensitivity: 190 – 270 nm

• Operating Voltage: Supplied via control unit

• Mounting: Flanged, fixed position

• Protection Class: IP40 / optional IP54

• Operating Temperature: -20 °C … +60 °C

• Storage Temperature: -40 °C … +80 °C

• Cable Length: Typically 1.5 m (extendable)

• Connection: 3-pin connector

• Compatibility: Compatible with Siemens LFL, LGK, and LMV controllers

• Key Features:

  • High flame signal stability

  • Advanced optical performance

  • Long-lifetime UV tube

Applications:

• Industrial oil and gas burner systems

• Thermal oil heaters

• Steam boilers

• Hot air generators

Advantages:

• High sensitivity flame detection

• Operates in harsh environments

• Safe and quick response

• Easy servicing and replacement