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Siemens Pilot Light Lens: 30 mm Panel Mounting Hole Dia, Red, Concentric Rings - Pilot-Light Lenses
SiemensPilot-Light Lenses

Siemens Pilot Light Lens: 30 mm Panel Mounting Hole Dia, Red, Concentric Rings

The SIEMENS Pilot Light Lens (SKU 6FNJ4, MPN 52RA4S2) is a red plastic lens with concentric rings, designed for a 30 mm panel mounting hole diameter. It is compatible with the Class 52 series of pilot lights. This…

SKU 3G-OTH-35191

Brand
Siemens
Item
Pilot Light Lens: 30 mm Panel Mounting Hole Dia, Red, Concentric Rings
Category
Pilot-Light Lenses
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Technical Specifications

Siemens
Manufacturer Part Number
52RA4S2
Type
Red, Concentric Rings, Class 52
Lens Material
Plastic
Compatible with Series
Class 52
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Pilot Light Lens (SKU 6FNJ4, MPN 52RA4S2) is a red plastic lens with concentric rings, designed for a 30 mm panel mounting hole diameter. It is compatible with the Class 52 series of pilot lights. This lens serves as a replacement or component part for Siemens industrial control stations.

Frequently Asked Questions

What is the SIEMENS Pilot Light Lens 52RA4S2 used for?

The SIEMENS Pilot Light Lens 52RA4S2 is a red plastic lens with concentric rings used as a replacement or component part for Siemens Class 52 series pilot lights. It is designed for industrial control stations to indicate machine status, such as power-on or alarm conditions, in manufacturing and process environments.

What are the specifications of the SIEMENS Pilot Light Lens 52RA4S2?

The SIEMENS Pilot Light Lens 52RA4S2 has a 30 mm panel mounting hole diameter, is red with concentric rings, and is made of plastic. It is compatible with the Siemens Class 52 series of pilot lights. The manufacturer part number is 52RA4S2, and the SKU is 6FNJ4.

Where to buy the SIEMENS Pilot Light Lens 52RA4S2 worldwide?

You can source the SIEMENS Pilot Light Lens 52RA4S2 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine Siemens components for industrial control stations.

How to install the SIEMENS Pilot Light Lens 52RA4S2?

To install the SIEMENS Pilot Light Lens 52RA4S2, first ensure power is off. Remove the existing lens from the Class 52 pilot light by unscrewing the retaining ring. Insert the new red plastic lens with concentric rings into the 30 mm panel hole, then secure it with the retaining ring. Verify proper fit before restoring power.

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

Siemens Products

3G Electric supplies Siemens pilot-light lenses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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