Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Siemens LME 22 233C2 relay - Burner Controls
SiemensBurner Controls

Siemens LME 22 233C2 relay

The Siemens LME 22 233C2 is a burner safety control relay for gas or gas/oil burners, operating at 120V~ or 230V~ (50/60 Hz) and supporting ionization or QRA flame detection with AGQ3 device compatibility. It meets…

SKU 3G-CBM-05849

Brand
Siemens
Item
LME 22 233C2 relay
Part Number
233C2
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
Manufacturer Part Number
233C2
voltage
120V~ or 230V~ (50/60 Hz)
standards
EN 298:2003, EN 676, EN 230:2005
application
Gas or gas/oil burner safety control unit
flame detection
Ionization probe or QRA flame probe with AGQ3 device

Technical Documents

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Siemens LME 22 233C2 is a burner safety control relay for gas or gas/oil burners, operating at 120V~ or 230V~ (50/60 Hz) and supporting ionization or QRA flame detection with AGQ3 device compatibility. It meets EN 298:2003, EN 676, and EN 230:2005 standards for critical combustion applications.

Frequently Asked Questions

What is the Siemens LME 22 233C2 relay used for?

The Siemens LME 22 233C2 is a burner safety control relay used for gas or gas/oil burners in small to medium power applications. It provides flame supervision via ionization probe or QRA flame probe with AGQ3 device, and meets EN 298:2003, EN 676, and EN 230:2005 standards for critical combustion safety.

What are the specifications of the Siemens LME 22 233C2?

The Siemens LME 22 233C2 operates at 120V~ or 230V~ (50/60 Hz) and supports ionization or QRA flame detection with AGQ3 device compatibility. It is designed for gas or gas/oil burner safety control and complies with EN 298:2003, EN 676, and EN 230:2005 standards.

Where to buy Siemens LME 22 233C2 in Singapore?

You can source the Siemens LME 22 233C2 relay through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility, providing technical support for industrial burner applications. Contact us for availability and lead time on this Siemens burner control relay.

How to install the Siemens LME 22 233C2 relay?

Installation of the Siemens LME 22 233C2 must be performed by qualified specialists only. Before wiring, isolate the system from the main power supply and ensure it cannot be re-energized accidentally. Do not open, modify, or tamper with the device. Follow the manufacturer's datasheet for proper mounting and connections.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Gas Trains & Valves Ignition Transformers Burner Controls Spare Parts All Products

Compatible alternatives & equivalents

More from Siemens

View all Siemens parts
Cell QRB1A-A068B70B
Siemens
Cell QRB1A-A068B70B
Adapter KF8896
Siemens
Adapter KF8896
Relay LAL 2.14
Siemens
Relay LAL 2.14
Cell QRB1A-A150B70A
Siemens
Cell QRB1A-A150B70A
Relay LFL 1.335 110V
Siemens
Relay LFL 1.335 110V
Relay LFL 1.333
Siemens
Relay LFL 1.333
Siemens
Siemens
Flange for QRB1 (A)
Relay LFL 1.322
Siemens
Relay LFL 1.322

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first