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3G Electric
Siemens Relay LFL 1.335 110V - Burner Controls
SiemensBurner Controls

Siemens Relay LFL 1.335 110V

Siemens Relay LFL 1.335 is a burner control device for gas, oil, and dual-fuel applications, operating at 110 V with UV or ionization flame detection and integrated air damper control for reliable ignition management.

SKU 3G-CBM-05821

Brand
Siemens
Item
Relay LFL 1.335 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
LFL 1.335
voltage
110 V
application
gas/oil/dual-fuel burner control
flame detection
UV probe QRA or ionization probe
air damper control
yes
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Siemens Relay LFL 1.335 is a burner control device for gas, oil, and dual-fuel applications, operating at 110 V with UV or ionization flame detection and integrated air damper control for reliable ignition management.

Frequently Asked Questions

What is the Siemens LFL 1.335 110V relay used for?

The Siemens LFL 1.335 is a burner control relay for medium to large gas, oil, or dual-fuel burners. It manages ignition, flame monitoring via UV or ionization probes, and controlled air damper operation for intermittent or multi-stage burner applications.

What are the specifications of the Siemens LFL 1.335 110V?

The Siemens LFL 1.335 operates at 110 V and is designed for gas, oil, or dual-fuel burner control. It supports flame detection using a UV probe QRA or ionization probe and includes integrated air damper control for reliable ignition sequencing.

Where to buy the Siemens LFL 1.335 110V in Singapore?

3G Electric supplies the Siemens LFL 1.335 110V relay to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this burner control component.

How to install the Siemens LFL 1.335 110V burner control?

Installation must be performed by qualified personnel only. Disconnect power before wiring, verify cable conformity, and do not open the device. The reset button should be pressed by hand with force ≤10 N and held no longer than 10 seconds to avoid damage.

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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