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Siemens Cell QRB1A-A068B70B - Burner Controls

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SiemensBurner Controls
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Siemens Cell QRB1A-A068B70B

Siemens QRB1A-A068B70B is a flame-monitoring burner control using a photoresistor probe for visible spectrum detection. Features 2-wire thermoplastic cable and flexible mounting via bracket, clamp, or soft plastic…

SKU 3G-CBM-05785

Also listed as: REL 10202 · REL-10202

Brand
Siemens
Item
Cell QRB1A-A068B70B
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter

Technical Specifications

Siemens
type
QRB1A-A068B70B
cable
2-wire thermoplastic
mounting
Bracket and clamp or soft plastic sleeve
application
Flame monitoring - visible spectrum
sensor type
Photoresistor probe
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Siemens Products
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Product Description

Siemens QRB1A-A068B70B is a flame-monitoring burner control using a photoresistor probe for visible spectrum detection. Features 2-wire thermoplastic cable and flexible mounting via bracket, clamp, or soft plastic sleeve. Ideal for combustion safety systems requiring reliable flame supervision.

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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