Is the Siemens Relay LFL 1.148 available from 3G Electric?

Yes — 3G Electric supplies genuine Siemens products with in-stock availability on common SKUs and worldwide shipping.

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Does 3G Electric provide technical support for burner controls?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all burner controls we distribute.

SiemensBurner Controls

Siemens Relay LFL 1.148

Siemens Relay LFL 1.148 is a burner control safety relay for gas, oil, and dual-fuel applications supporting multi-stage or modulating burners. It features UV probe QRA and ionization probe flame monitoring, suitable…

SKU 3G-CBM-05824

Also listed as: REL 15121 · REL-15121

Brand

Siemens

Item

Relay LFL 1.148

Technical Specifications

Siemens

type

LFL1.148 

fuel types

gas, oil, dual-fuel 

application

burner control safety relay 

burner type

multi-stage or modulating, intermittent operation 

power range

medium to large 

flame monitoring

UV probe QRA and ionization probe 

air damper control

controlled 

View Full Spec Sheet

Technical Documents

(2)

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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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