SiemensBurner Controls
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
Also listed as: REL 15205 · REL-15205
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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 SiemensDistrict 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.
