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SiemensBurner Controls
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Siemens Flange and socket QRA 2

The Siemens QRA 2 is a UV flame probe for gas and oil burner flame monitoring in industrial heating systems. It delivers reliable flame detection across QRA series variants. Ideal for burner control applications…

SKU 3G-CBM-05857

Brand
Siemens
Item
Flange and socket QRA 2
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter

Technical Specifications

Siemens
type
UV flame probe
model
QRA2
series
QRA2, QRA10, QRA5 (D and G series)
application
gas and oil burner flame monitoring
article number
BPZ:QRA53.E27
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QRA 2 is a UV flame probe for gas and oil burner flame monitoring in industrial heating systems. It delivers reliable flame detection across QRA series variants. Ideal for burner control applications requiring robust safety monitoring.

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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