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Siemens Cell QRA 4U

Name: Siemens Cell QRA 4U
Brand: Siemens
SKU: 3G-CBM-05867
Availability: BackOrder

Siemens QRA 4U is a UV flame detector for gas and oil burner flame supervision and ignition spark proving. It features IP54 rating, 1800 mm connecting wire, and ½"-14NPSM conduit thread, suitable for safety-critical…

SKU 3G-CBM-05867

Brand

Siemens

Item

Cell QRA 4U

Technical Specifications

Siemens

type

UV flame detector 

model

QRA4.U 

mounting

optional 

ip rating

IP54 

application

gas and oil flame supervision, ignition spark proving 

safety class

II double-insulated 

storage class

IEC 60721-3-1 Class 1K3 

conduit thread

½"-14NPSM 

connecting wire length

1800 mm 

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for Siemens

District cooling plants — LME73 + RWF55 for condenser-water modulation

Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper

Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers

Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids

Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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