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Siemens Relay LGK 16 333A27 - Burner Controls
SiemensBurner Controls

Siemens Relay LGK 16 333A27

The Siemens Relay LGK 16 333A27 is a burner control module designed for medium and large power burners with multiple stages or modulating operation in permanent service. It provides controlled air damper command, air…

SKU 3G-CBM-05837

Brand
Siemens
Item
Relay LGK 16 333A27
Part Number
333A27
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
333A27
burner type
Medium and large power burners with multiple stages or modulating in permanent service
certification iso
ISO 9001
air damper control
Controlled air damper command
control pin number
4 166 8024 0
air pressure control
Yes
compatible base types
LAL2, LFL1 (except LFL1.148)
flame monitoring type
Self-monitoring flame signal amplifier
application burner duty
Permanent service burners, intermittent service burners capable of continuous operation exceeding 24 h under high heating load, steam boiler technical rules domain burners (TRD 411 and 412)
unlock button max force
≤ 10 N
control pin location lal base
Between terminals 10/11 of LAL base
control pin location lfl base
Between terminals 4/5 of LFL base
flame detector compatible lgk16
QRA53/QRA55 flame probe, ionization probe, or QRA53/QRA55 flame probe and ionization probe together
flame detector compatible lok16
Selenium photoelectric cell probe RAR
flame restart repeat capability
Yes, via shunt B removal
unlock button max activation time
≤ 10 s
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Relay LGK 16 333A27 is a burner control module designed for medium and large power burners with multiple stages or modulating operation in permanent service. It provides controlled air damper command, air pressure control, and self-monitoring flame signal amplification with compatible flame detectors including QRA53/QRA55 flame probes and ionization probes. The unit is compatible with LAL2 and LFL1 (except LFL1.148) base types, meets ISO 9001 certification, and supports permanent service burners and intermittent service burners capable of continuous operation exceeding 24 h under high heating load per TRD 411 and 412 steam boiler technical rules. 3G Electric sources and delivers complete burner control solutions across Singapore and Southeast Asia.

Frequently Asked Questions

Where can I buy the Siemens Relay LGK 16 333A27 in your region?

3G Electric supplies the Siemens Relay LGK 16 333A27 with delivery to your location. We handle all customs import customs, USD invoicing, and logistics. Lead time on request—contact our team for availability and pricing.

What is the lead time for this burner relay to your region?

Lead time varies by stock location. 3G Electric sources the LGK 16 333A27 and arranges delivery across your region. Request a quote for confirmed lead time and shipping schedule to your facility.

What burner types is the LGK 16 333A27 compatible with?

The Siemens LGK 16 333A27 is designed for medium and large power burners with multiple stages or modulating operation in permanent service. It is compatible with LAL2 and LFL1 base types (except LFL1.148). Confirm your burner model before ordering.

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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