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SIEMENS flame detector, QRA75.A27, consumable item, no warranty provided by the manufacturer.

LEHIY item code: LH-2373

Category: Flame Detector

Quick buying check

This page helps you check SIEMENS flame detector, QRA75.A27, consumable item, no warranty provided by the manufacturer. before you ask for a quote.

Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.

LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.

Product Overview

The detector conduit, fixed to the outer casing via a flange, has a vibrating baffle at its front end. The ultraviolet chamber is located behind this baffle. A transparent cover made of quartz glass prevents contamination of the ultraviolet chamber and the vibrating baffle. The detector housing also houses a stepper motor and other necessary electronic control devices for driving and manipulating the vibrating baffle. This type of flame detector can be directly mounted on the combustion device or, via AGG16.C, mounted on a transparent observation tube or transparent observation hole on the outer surface of the control room.


Notices

Warning:

All operations (assembly, installation, maintenance, etc.) must be performed by qualified professionals

Before starting wiring work in any area, all power must be disconnected and the power supply voltage must be checked using appropriate voltage testing methods to prevent accidental power restart. Violation of this rule carries a risk of electric shock

Protect the contact safety of circuit connections using appropriate measures. Violation of this rule carries a risk of electric shock

Check the wiring status after each operation (assembly, installation, service, etc.) to ensure it is normal. Violation of this rule carries a risk of electric shock

Halogen lamps, welding equipment, special lamps, and ignition sparks can emit sufficiently high levels of ultraviolet radiation to ignite the ultraviolet chamber.

X-rays and gamma rays can also generate a false flame signal. Failure to comply may result in loss of safety function. If the flame detector is dropped or impacted, it must not be used, as even without visible damage, its safety function may be compromised. Failure to comply may result in loss of safety function. Installation Instructions: High-voltage ignition cables should be wired separately and kept as far away as possible from other cables such as QRA cables.

Technical Specifications

SpecificationValue
BrandSIEMENS
CategoryFlame Detector

Plain language sourcing guide for SIEMENS flame detector, QRA75.A27, consumable item, no warranty provided by the manufacturer.

Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.

Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.

Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.

If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.

Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.

Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.

Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.

Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.

For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.

For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.

For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.

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Brand Name:SiemensCertification:ISO9001, CE
Place of Origin:ChinaCondition:New
Warranty:1 yearCustomized sourcing:available

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Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.

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Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.

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Replacement support

SIEMENS flame detector, QRA75.A27, consumable item, no warranty provided by the manufacturer.

Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.

For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.

Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.

Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.

  • Confirm the complete model number and any suffix printed on the nameplate.
  • Share quantity, destination country, preferred shipping method, and target delivery date.
  • Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
  • Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.

Useful details for a faster quote

  • Complete model and part number
  • Required quantity and target delivery date
  • Nameplate photos, drawings, or old purchase records
  • Voltage, signal range, dimensions, or accessory needs
Send details

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Quality and delivery

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Stock alternatives

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SIEMENS flame detector, QRA75.A27, consumable item, no warranty provided by the manufacturer. verification notes

Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.

LEHIY reviews product name, part number, series, label information, and application requirements before shipment.

If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.

For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.

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