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Siemens Cell QRB1A-A150B70A - Burner Controls
SiemensBurner Controls

Siemens Cell QRB1A-A150B70A

The Siemens QRB1A-A150B70A is a photoresistor flame detector for oil burner flame monitoring with two-wire thermoplastic cable and multiple mounting bracket options, designed for reliable burner control applications.

SKU 3G-CBM-05790

Brand
Siemens
Item
Cell QRB1A-A150B70A
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
type
photoresistor flame detector
Model
QRB1A-A150B70A
cable
two-wire thermoplastic
application
oil burner flame monitoring
mounting options
large bracket and collar, small bracket and collar, soft plastic sleeve

Technical Documents

(1)
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QRB1A-A150B70A is a photoresistor flame detector for oil burner flame monitoring with two-wire thermoplastic cable and multiple mounting bracket options, designed for reliable burner control applications.

Frequently Asked Questions

What is the Siemens QRB1A-A150B70A used for?

The Siemens QRB1A-A150B70A is a photoresistor flame detector used for monitoring the visible spectrum of oil burner flames. It is designed for small-power burner safety controls, typically paired with Landis & Staefa safety control boxes such as LAL..., LOA..., and LMO... series.

What are the specifications of the Siemens QRB1A-A150B70A?

The Siemens QRB1A-A150B70A is a photoresistor flame detector with a two-wire thermoplastic cable. It is designed for oil burner flame monitoring and offers multiple mounting options including large bracket and collar, small bracket and collar, and soft plastic sleeve. It is used with Landis & Staefa safety control boxes.

Where to buy the Siemens QRB1A-A150B70A in Singapore?

You can source the Siemens QRB1A-A150B70A through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this photoresistor flame detector for oil burner applications.

How to install the Siemens QRB1A-A150B70A flame detector?

Installation must be performed by qualified personnel. Ensure the control box is fully disconnected from the mains. Route the detector cable separately from other cables, especially ignition cables, to minimize signal interference. Follow national safety regulations and verify wiring compliance before commissioning.

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
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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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