Siemens QRA2 UV Flame Detector

Siemens QRA2 flame detector
Siemens QRA2 flame detector — side view
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Technical Specifications

DetectionUltraviolet (UV), 190–270 nm
Operating dutyIntermittent
SensitivityNormal
Mounting connectionDirect burner mounting; flange and clamp excluded
Flame typeGas; yellow- or blue-burning oil
ProtectionIP20; IP40 with suitable cable entry, e.g. AGG09
Ambient temperature−20 to +60 °C
Siemens CC1N7712en — English Data SheetPDF
Price:

USD100

Flame detector only
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Product Overview

Siemens QRA2 is a normal-sensitivity UV flame detector for gas and yellow- or blue-burning oil flames in intermittent operation.

Product Specification

  • Metallized plastic housing with a black terminal cover.
  • Customer-supplied detector cable; recommended cable type H05VV-F 2 × 0.75 mm².
  • QRA2(1) and QRA2(2) are mounting-kit variants. The base QRA2 does not include the flange and clamp.
  • Average UV-cell life is approximately 10,000 hours at a maximum ambient temperature of +50 °C.
  • Minimum flame current and permissible cable length are specified by the connected burner control.

Control Compatibility

LGB2 / LGB4 with AGQ1; LFL; LFE1; LFE10; LFS1.2; LME11 / LME21 / LME22 / LME39 / LME41 / LME44 with AGQ3; LME71 / LME72 / LME73 / LME76 with LFS1.2; LMV2 / LMV3; LMV5 with AGQ1.

Related Model

Siemens QRA2M is the high-sensitivity version.

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Siemens QRA2 flame detector
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