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Siemens Relay LDU 11 323A27 - Burner Controls
SiemensBurner Controls

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

Brand
Siemens
Item
Relay LDU 11 323A27
Part Number
323A27
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
323A27
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~
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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

Where can I buy the Siemens LDU 11 323A27 relay in the Philippines?

3G Electric Philippines sources and supplies the Siemens LDU 11 323A27 burner control relay with delivery to Manila and Quezon City. We handle full logistics and Bureau of Customs documentation. Lead time on request—contact us for availability and PHP quotation.

What are the voltage options for this burner control relay?

The Siemens LDU 11 323A27 operates at either 220 V~ (−15% to +10%) or 100 V~ (−15% to +10%). Power consumption during operation is 2.5 VA~. External fuse rating is max. 10 A slow blow per installation requirements.

Is the Siemens LDU 11 323A27 certified for industrial combustion systems?

Yes. The relay is certified to EN 1643 and EN 161 standards for burner control applications. Internal fuse is T6.3H250V per DIN EN 60127. It integrates external fusing up to 10 A slow blow for reliable burner sequencing in industrial systems.

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
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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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