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Siemens Cell QRB3(1) - Burner Controls
SiemensBurner Controls

Siemens Cell QRB3(1)

The Siemens Cell QRB3(1) is a burner control unit featuring a photoresistor flame sensor for monitoring yellow oil flames via probe current measurement. It offers flexible mounting with or without soft plastic sleeve…

SKU 3G-CBM-05791

Brand
Siemens
Item
Cell QRB3
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Model
QRB3(1)
cable type
two-wire thermoplastic
sensor type
photoresistor (flame sensor)
qrb1a mounting
fixed with bracket, guidance groove and cam for vibration protection
qrb1b mounting
soft plastic sleeve with sealing lips and retention lips, guidance spring
mounting options
with/without soft plastic sleeve, with/without bracket/collar
measurement method
probe current measurement
flame type monitored
yellow oil flames
maintenance cleaning
clean cloth only, no burner aerosol sprays
iso 9001 certification
2000 (Cert. 00739)
iso 14001 certification
1996 (Cert. 38233)
cable routing requirement
separate from other cables, especially ignition cable
compatible safety controls
LAL..., LOA..., LMO...
signal quality requirement
minimum interference and signal loss
qrb1 bracket hole spacing 1
21 mm
qrb1 bracket hole spacing 2
36 mm
response sensitivity options
normal or elevated
electromagnetic compatibility directive
89/336/CEE

Technical Documents

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

Product Description

The Siemens Cell QRB3(1) is a burner control unit featuring a photoresistor flame sensor for monitoring yellow oil flames via probe current measurement. It offers flexible mounting with or without soft plastic sleeve and bracket, two-wire thermoplastic cable connectivity, and response sensitivity options (normal or elevated). The unit is compatible with LAL..., LOA..., and LMO... safety controls, requires separate cable routing away from ignition lines, and should be cleaned with cloth only. 3G Electric sources and delivers this control system throughout Singapore and Southeast Asia, with full DDP logistics support.

Frequently Asked Questions

Where can I buy the Siemens Cell QRB3(1) burner control in your region?

You can order the Siemens Cell QRB3(1) directly from 3G Electric. We handle delivery to your location with full logistics and customs documentation support. Lead time on request.

What is the lead time for the Siemens Cell QRB3(1) in your region?

Lead time depends on current sourcing status. Contact 3G Electric for availability and delivery schedule. We manage all customs clearance and documentation for seamless delivery to your facility.

What type of flame does the Siemens Cell QRB3(1) monitor?

The Cell QRB3(1) uses a photoresistor flame sensor to monitor yellow oil flames via probe current measurement. It supports flexible mounting with or without soft plastic sleeve and bracket, and connects via two-wire thermoplastic 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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