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Siemens Relay LFL 1.333 110V - Burner Controls
SiemensBurner Controls

Siemens Relay LFL 1.333 110V

Siemens LFL1.333 is a safety control unit for gas, oil, or dual-fuel burners rated at 110V, designed for medium to large power burners with modulating or staged operation. It features controlled air damper management…

SKU 3G-CBM-05827

Brand
Siemens
Item
Relay LFL 1.333 110V
Category
Burner Controls
UNSPSC
40101833 — Boiler or heater igniter
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
type
Safety control unit for gas, oil or dual-fuel burners
model
LFL1.333
voltage
110V
air damper
Controlled air damper
application
Medium to large power burners with modulating or staged operation
flame detection
UV probe QRA or ionization probe

Technical Documents

(1)
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Siemens LFL1.333 is a safety control unit for gas, oil, or dual-fuel burners rated at 110V, designed for medium to large power burners with modulating or staged operation. It features controlled air damper management and supports UV probe QRA or ionization probe flame detection for reliable burner protection.

Frequently Asked Questions

What is the Siemens LFL1.333 110V burner control used for?

The Siemens LFL1.333 110V is a safety control unit for gas, oil, or dual-fuel burners. It is designed for medium to large power burners with modulating or staged operation, providing controlled air damper management and flame detection via UV probe QRA or ionization probe for reliable burner protection.

What are the specifications of the Siemens LFL1.333 110V?

The Siemens LFL1.333 is a safety control unit rated at 110V. It supports gas, oil, or dual-fuel burners for medium to large power applications with modulating or staged operation. It features controlled air damper management and flame detection using UV probe QRA or ionization probe.

Where to buy Siemens LFL1.333 110V in Singapore?

3G Electric supplies the Siemens LFL1.333 110V burner control to Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this safety control unit for medium to large power burners.

How to install the Siemens LFL1.333 110V burner control?

Installation must be performed by qualified personnel only. Disconnect power before working on terminals. Ensure wiring complies with local safety regulations. Do not open the device or use tools on the reset button. After a drop or impact, do not recommission the unit as safety functions may be compromised.

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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