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SiemensBurner Controls

Siemens Relay LMO 24 255 C2

SKU 3G-CBM-05781

Also listed as: REL 10129 · REL-10129

Brand

Siemens

Item

Relay LMO 24 255 C2

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 

View Full Spec Sheet

Technical Documents

(1)

Technical Document 1

PDF Document

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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.

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

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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