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QRA4.U SIEMENS

SIEMENS
Condition
 New Sealed

The product is an item that has never been used and was obtained through a surplus supplier.

  • Never used in a production environment, but it may have been powered on for testing
  • No visible signs of handling, use, or damage
  • Includes the original packaging, if applicable
  • May or may not have the original manufacturer's seal on the box. The original manufacturer's warranty may not be applicable.
  • Includes all hardware and accessories present in the factory new version of the product
  • May or may not include the instructions present in the factory new version of the product
  • The product may have older date or serial codes compared to those available directly from the manufacturer or authorized retailers
  • Products may vary by country of origin and by language used on the packaging
  • The product packaging may show signs of shelf wear
 New BAS

The product is an item that has never been used and has been sourced from an excess supplier.

  • Never used in a production environment, but it may have been powered on for testing.
  • The product may show slight superficial signs of handling, but no signs of use or damage.
  • It may or may not have the original packaging. If the original packaging is not available, the product will generally be packaged in aftermarket packaging or branded BAS.
  • Hardware, accessories, or instructions present in the factory new version of the product may be missing. The manufacturer's warranty may not apply.
  • The product may have older date or serial codes compared to those available directly from the manufacturer or authorized retailers.
  • Products may vary by country of origin and by language used on the packaging.
  • The packaging may contain markings not from the original manufacturer (OEM).
 New Fast Delivery

The product is an item that has never been used and was obtained through a surplus supplier.

  • Never used in a production environment, but it may have been powered on for testing
  • No visible signs of handling, use, or damage
  • Includes the original packaging, if applicable
  • May or may not have the original manufacturer's seal on the box. The original manufacturer's warranty may not be applicable.
  • Includes all hardware and accessories present in the factory new version of the product
  • May or may not include the instructions present in the factory new version of the product
  • The product may have older date or serial codes compared to those available directly from the manufacturer or authorized retailers
  • Products may vary by country of origin and by language used on the packaging
  • The product packaging may show signs of shelf wear
  • Faster shipping
Request information for QRA4.U SIEMENS

PRODUCT DESCRIPTION

SIEMENS QRA4.U - Ultraviolet Flame Detector

The SIEMENS QRA4.U is a self-checking ultraviolet flame detector designed for the reliable monitoring of gas and oil flames in industrial burner applications. This component utilizes UV radiation detection technology to provide a precise flame signal to compatible burner control units, ensuring safe and efficient operation of heating systems, furnaces, and boilers. It is engineered for intermittent or continuous operation within automated combustion processes.

Technical Specifications:

  • SERIES/FAMILY: QRA Series
  • COMPONENT TYPE: Ultraviolet Flame Detector
  • ELECTRICAL SPECS:
    • SUPPLY VOLTAGE: Dependent on connected burner control unit (e.g., 220-240VAC, 50/60Hz or 110-120VAC, 50/60Hz)
    • OUTPUT SIGNAL: Flame signal via ionization current to compatible burner control unit
  • MECHANICAL/PHYSICAL:
    • DETECTION PRINCIPLE: Ultraviolet (UV) radiation
    • RESPONSE TIME: Typically less than 1 second
    • FORM FACTOR: Cylindrical housing with UV-sensitive cell and viewing window
  • INTERFACE/CONTROL:
    • FEEDBACK: Electrical signal to burner control units (e.g., SIEMENS LMV, LFL, LAL, LME series)
    • CONNECTION: Standard electrical terminal block
  • ENVIRONMENTAL/MOUNTING:
    • IP RATING: IP40 (typical for indoor, protected environments)
    • OPERATING TEMPERATURE: -20 to +60 degrees Celsius
    • MOUNTING STYLE: Flange mounting with viewing tube
  • COMPATIBILITY/APPLICATION:
    • TARGET SYSTEMS: Industrial gas and oil burners, heating systems, furnaces, boilers
    • OPERATION MODE: Intermittent or continuous burner operation

1 year warranty

HS CODE

853110

DELIVERY TIME

11 working days

Price excluding VAT

Return conditions

You can return the purchased product according to the Terms and Conditions

Warranty

Automantion Service Srl is NOT an official distributor of the manufacturer. The manufacturer's warranty does not apply. Terms and conditions

Do you need help or assistance with this item? Do you want to sell your stock?

web@bautomationservice.com  
+39 030/681340

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