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Siemens Relay LDU 11 523A27 - Burner Controls
SiemensBurner Controls

Siemens Relay LDU 11 523A27

Siemens LDU 11 523A27 is a burner control relay for industrial combustion systems, rated 220V to 240V AC with 2.5 VA~ operating power consumption. Features internal fuse T6.3H250V and supports any mounting position…

SKU 3G-CBM-05833

Brand
Siemens
Item
Relay LDU 11 523A27
Part Number
523A27
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
523A27
model
LDU11.523A27
fuse internal
T6.3H250V (DIN EN 60127)
supply voltage
220V~ -15% to 240V~ +10%
fuse external max
10A slow
mounting position
any
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

Siemens LDU 11 523A27 is a burner control relay for industrial combustion systems, rated 220V to 240V AC with 2.5 VA~ operating power consumption. Features internal fuse T6.3H250V and supports any mounting position, fitting OEM and retrofit applications.

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 a Siemens LDU 11 523A27 relay in the Philippines?

3G Electric Philippines is your authorized distributor for Siemens LDU 11 523A27 burner control relays. We deliver to Manila and Quezon City with full logistics and Bureau of Customs documentation support. Contact us for availability and pricing in PHP.

What is the lead time for ordering the Siemens LDU 11 523A27?

Lead time on request and varies by order volume and import schedule. 3G Electric handles all documentation and clearance to the Philippines. Contact our sales team for a specific delivery timeline and freight costs.

What is the operating power consumption of the LDU 11 523A27?

The Siemens LDU 11 523A27 operates at 2.5 VA~ on a 220V–240V AC supply. It features an internal fuse rated T6.3H250V (DIN EN 60127) and supports any mounting position for OEM and retrofit burner control applications.

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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