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 Relay LMO 24 255 C2 - Burner Controls
SiemensBurner Controls

Siemens Relay LMO 24 255 C2

Siemens LMO 24 255 C2 is a microprocessor-controlled safety relay module for oil burners handling up to 30 kg/h, featuring low voltage detection and remote electrical release per EN 267 and DIN EN 298. Designed for…

SKU 3G-CBM-05781

Brand
Siemens
Item
Relay LMO 24 255 C2
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
series
LMO24
features
low voltage detection, remote electrical release, preheating bypass contact, preheat runtime monitoring
standard
EN 267, DIN EN 298
operation
intermittent blown air burners
application
Oil burner safety relay modules with microprocessor control
max oil flow
<30 kg/h (some models >30 kg/h)
flame detector blue
QRC1
flame detector yellow
QRB4

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

Siemens LMO 24 255 C2 is a microprocessor-controlled safety relay module for oil burners handling up to 30 kg/h, featuring low voltage detection and remote electrical release per EN 267 and DIN EN 298. Designed for intermittent blown air burner applications requiring integrated flame detection and preheating control.

Frequently Asked Questions

What is the Siemens LMO 24 255 C2 used for?

The Siemens LMO 24 255 C2 is a microprocessor-controlled safety relay module for oil burners. It is used for monitoring, starting, and controlling intermittent blown air burners with a maximum oil flow under 30 kg/h, in compliance with EN 267 and DIN EN 298.

What are the specifications of the Siemens LMO 24 255 C2?

The Siemens LMO 24 255 C2 features low voltage detection, remote electrical release, a preheating bypass contact, and preheat runtime monitoring. It supports flame detection via QRC1 blue flame sensor or QRB4 yellow flame sensor, and is designed for intermittent operation up to 24 hours.

Where to buy the Siemens LMO 24 255 C2 in Singapore?

You can source the Siemens LMO 24 255 C2 from 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this burner control relay.

How to install the Siemens LMO 24 255 C2?

Install the Siemens LMO 24 255 C2 according to the manufacturer's wiring diagram and safety guidelines. Ensure the burner is disconnected from power before installation. Use the correct flame sensor (QRC1 or QRB4) and verify compliance with EN 267 and DIN EN 298 standards.

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

Cross-referenced by specification & description
Relay LMO 24 111.C2
Siemens
Relay LMO 24 111.C2
Relay LMO 44 255 C2
Siemens
Relay LMO 44 255 C2
LMO 24 011.C2 relay
Siemens
LMO 24 011.C2 relay
Relay LMO 14 113.C2
Siemens
Relay LMO 14 113.C2
LMO 14 111.C2 relay
Siemens
LMO 14 111.C2 relay
Relay LOA 24 171B27
Siemens
Relay LOA 24 171B27

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