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Siemens Cell QRB4B-B036A25 - Burner Controls
SiemensBurner Controls

Siemens Cell QRB4B-B036A25

Siemens QRB4B-B036A25 is a flame detector for oil burner flame monitoring using two-wire thermoplastic cable. Mounting options include bracket AGK42, collar AGK43, or soft plastic sleeve, fitting standard burner…

SKU 3G-CBM-05797

Brand
Siemens
Item
Cell QRB4B-B036A25
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
flame detector
Model
QRB4B-B036A25
cable
two-wire thermoplastic
application
oil burner flame monitoring
mounting options
bracket AGK42, collar AGK43, or soft plastic sleeve

Technical Documents

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

Product Description

Siemens QRB4B-B036A25 is a flame detector for oil burner flame monitoring using two-wire thermoplastic cable. Mounting options include bracket AGK42, collar AGK43, or soft plastic sleeve, fitting standard burner control applications.

Frequently Asked Questions

What is the Siemens QRB4B-B036A25 used for?

The Siemens QRB4B-B036A25 is a yellow-flame detector used for monitoring oil burner flames in the visible spectrum. It is designed for use with Siemens burner control safety boxes such as LME7, LME8, LMO, LMV2, and LMV3, suitable for intermittent operation in industrial heating applications.

What are the specifications of the Siemens QRB4B-B036A25?

The Siemens QRB4B-B036A25 is a flame detector with a two-wire thermoplastic cable. Its maximum spectral sensitivity is approximately 540 nm, optimized for yellow oil flames. Mounting options include bracket AGK42, collar AGK43, or a soft plastic sleeve. It supports frontal or lateral (90°) viewing.

Where to buy the Siemens QRB4B-B036A25 in Singapore?

You can source the Siemens QRB4B-B036A25 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this Siemens burner control component.

How to install the Siemens QRB4B-B036A25?

Installation must be performed by qualified specialists. Mount the QRB4B-B036A25 using bracket AGK42, collar AGK43, or a soft plastic sleeve. Ensure the sensor is aimed frontally or laterally at 90° toward the flame. Disconnect all power before wiring to prevent electric shock. Do not open the detector or modify its cable.

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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