We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Siemens Relay LDU 11 323A27 - Burner Controls

Complete Solution

Need installation, maintenance, or a bundled quote?
Our engineers can help with product selection, system design, installation, and ongoing service — all from one partner.

Quick Inquiry

SiemensBurner Controls
Available to Order

Siemens Relay LDU 11 323A27

The Siemens LDU 11 323A27 is a burner control relay certified to EN 1643 and EN 161, operating at 220–240 V~ or 100–110 V~ with 2.5 VA~ power consumption during operation. It integrates external fusing to max. 10 A…

SKU 3G-CBM-05832

Also listed as: REL 15141 · REL-15141

Brand
Siemens
Item
Relay LDU 11 323A27
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter

Technical Specifications

Siemens
standard
EN 1643, EN 161
fuse external
max. 10 A slow blow
fuse internal
T6.3H250V per DIN EN 60127
voltage option 1
220 V~ -15% to 240 V~ +10%
voltage option 2
100 V~ -15% to 110 V~ +10%
power consumption test
3.5 VA~
power consumption operation
2.5 VA~
View Full Spec Sheet
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
SG-based team
Sign in to view pricing
Qty
Create a free account to submit your RFQ and download technical documents.
Not sure this is the right part? Get a recommendation.

Solutions Engineering

Need guidance on product selection or system design?
Contact Our Engineering Team
Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens LDU 11 323A27 is a burner control relay certified to EN 1643 and EN 161, operating at 220–240 V~ or 100–110 V~ with 2.5 VA~ power consumption during operation. It integrates external fusing to max. 10 A slow blow and suits industrial combustion systems requiring reliable burner sequencing.

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.

You might also need

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

More from Siemens

View all Siemens parts
Relay LOK 16 250A27
Siemens
Relay LOK 16 250A27
Relay LGK 16 335A27
Siemens
Relay LGK 16 335A27
Cell QRB1B-C036B40A
Siemens
Cell QRB1B-C036B40A
Adapter AGG04
Siemens
Adapter AGG04
Siemens
Siemens
Display POL871.62/STD (replaces POL871.72/STD)
LME 22 233C2 relay
Siemens
LME 22 233C2 relay
Relay LFL 1.335 110V
Siemens
Relay LFL 1.335 110V
Siemens
Siemens
Cell QRB4B-B036B40

Need a complete solution?

Product selection, system design, installation, and ongoing maintenance — all from one partner.