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3G Electric
Siemens Normal UV bulb - Burner Controls
SiemensBurner Controls

Siemens Normal UV bulb

Siemens QRA53.E27 UV flame probe is a burner control device for combustion monitoring in industrial heating systems. Features 5000 ohm internal resistance for reliable flame detection and safety interlocking in…

SKU 3G-CBM-05865

Brand
Siemens
Item
Normal UV bulb
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
UV flame probe
model
QRA53.E27
internal resistance
5000 ohm
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Siemens QRA53.E27 UV flame probe is a burner control device for combustion monitoring in industrial heating systems. Features 5000 ohm internal resistance for reliable flame detection and safety interlocking in boiler and furnace applications.

Frequently Asked Questions

What is the Siemens QRA53.E27 UV flame probe used for?

The Siemens QRA53.E27 UV flame probe is used for combustion monitoring in industrial heating systems. It detects ultraviolet radiation from gas or oil burner flames, enabling safety interlocking in boilers and furnaces. This burner control device works with Siemens LGK16 or LGI16 safety boxes for permanent flame supervision.

What are the specifications of the Siemens QRA53.E27 UV bulb?

The Siemens QRA53.E27 UV bulb is a UV flame probe with model number QRA53.E27. It features a 5000 ohm internal resistance for reliable flame detection. The device is designed for permanent operation with Siemens LGK16 or LGI16 safety boxes, monitoring gas and oil flames in industrial burner applications.

Where to buy Siemens QRA53.E27 UV flame probe in Singapore?

You can source the Siemens QRA53.E27 UV flame probe from 3G Electric in Singapore. We supply this burner control device and handle logistics, customs clearance, and delivery to your Singapore location. Contact us for pricing and lead time on this Siemens UV probe.

How to install the Siemens QRA53.E27 UV flame probe?

Installation must be performed by qualified specialists. Before mounting the Siemens QRA53.E27 UV flame probe, isolate the system from the main power supply and verify it cannot be re-energized accidentally. Ensure no halogen lamps or welding equipment emit UV radiation near the probe, as this can cause false flame signals.

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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