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SIEMENS QRA2.9 UV PHOTOCELL LAMP

General Description:
QRA2.9 is a compact UV flame detector designed for low and medium capacity gas and oil burners. It features reliable flame detection with a cost-effective and compact structure. Fully compatible with Siemens burner control units such as LFL and LGB series.

Technical Specifications:

  • Detection Technology: Ultraviolet (UV)

  • Spectral Sensitivity: 190 – 270 nm

  • Power Supply: Supplied by burner control unit

  • Cable Length: Typically 1.5 m (extendable on request)

  • Connection Type: Plug-in or wired model

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

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

  • Protection Class: IP40

  • Compatible Controllers: Siemens LFL1, LGB1, LGB21, LGB22

  • Mounting: Screw or adapter mount

Applications:

  • Small and medium gas burners

  • Oil-fired boiler systems

  • Thermal heating systems

  • Industrial furnaces

Advantages:

  • Compact design

  • Fast and reliable flame detection

  • Easy to install and maintain

  • Full compatibility with Siemens controllers