LED Retrofit Lighting Upgrade for Alstom Rail Rolling Stock

Client: Alstom Rail


Application: Passenger rolling stock interior lighting upgrade.

Product: LMX LED Rail-Compliant LED Retrofit Tubes.


Standards Applied: EN 50155, EN 50121-3-2, EN 45545-2, EN 60598-1/2

Project Requirements

Alstom Rail required a compliant LED retrofit system to replace legacy fluorescent lighting across selected rolling stock fleets. The new system needed to meet strict railway electrical, safety and EMC standards, while delivering improvements in energy efficiency, reliability, and passenger comfort.

The key technical requirements included:

• Reduction in power consumption and maintenance intervention frequencies.
• Compliance with EN 50155 (electronic equipment used on rolling stock).
• EMC compliance to EN 50121-3-2.
• Fire and smoke performance to EN 45545-2.
• Mechanical robustness suitable for vibration and shock exposure.
• Compatibility with existing luminaires and wiring.
• High-efficiency optical output with stable performance over long operating cycles.

LMX LED Technical Solution

LMX LED supplied a range of rail-compliant LED retrofit tubes purpose-built for rolling stock applications and certified to the required industry standards.

Standards Compliancy:

1. EN 50155 – Electronic Equipment on Rolling Stock

• Temperature, vibration, humidity, shock, voltage fluctuation requirements met.
• Robust driver design ensures stable performance under variable onboard supply conditions.

2. EN 50121-3-2 – EMC Requirements for Rolling Stock

• Electromagnetic emissions and immunity suitable for railway environments.
• Prevents interference with onboard signalling and electronic systems.

3. EN 45545-2 – Railway Fire Safety and Smoke Standards

• Materials and components meet required fire hazard classifications.
• Suitable for installation in passenger areas.

4. EN 60598-1 / 60598-2 – Luminaire Safety Standards

• Ensures electrical safety, mechanical integrity, and long-term reliability.

Technical Features Delivered

High-Efficiency LED Chipset

• Significantly reduced energy consumption compared to fluorescent lamps.
• Improved power factor and reduced thermal load.
• Long lumen maintenance and extended operational life.

Rail-Ready Mechanical and Electrical Design

• Vibration- and shock-resistant housing suitable for continuous rolling stock movement.
• Immediate retrofit capability into existing fittings without major wiring changes.
• Flicker-free output aligned with passenger comfort and accessibility requirements.

Superior Optical Performance

• High CRI and uniform illumination across the passenger saloon.
• Stable light output under voltage variation and onboard power disturbances.

Operational Outcomes

• Substantial reduction in running costs through improved energy efficiency.
• Enhanced passenger experience with brighter, more consistent interior lighting.
• Fewer maintenance cycles, reducing downtime and labour requirements.
• Improved reliability under rail operating conditions.
• Full compliance with railway electrical, EMC, fire, and safety standards.

LMX LED’s compliant LED retrofit tube solution enabled Alstom Rail to modernise lighting across their rolling stock while achieving long-term operational, safety, and cost benefits.

Case Study Project

A compliant LED retrofit system replacing legacy fluorescent lighting across selected rolling stock fleets. Compatibility with existing luminaires and wiring. The new system meets strict railway electrical, safety and EMC standards, while delivering improvements in energy efficiency, reliability, and passenger comfort.

Review

“We have purchased rolling stock rail tubes from LMX LED and were highly impressed with both the
product quality and their professionalism. They answered all our technical questions clearly, and
the tubes passed our strict compliance requirements with ease. Excellent service and a smooth overall experience.”
Patrick Bernard, System Engineer – Alstom

Data Centre Long-Run Temporary & Permanent LED Lighting

Overview

The global race to build new data centres is accelerating rapidly as demand for computing power increases—driven by artificial intelligence, cloud services and high-performance computing. With construction schedules becoming increasingly compressed, contractors require fast, flexible and compliant temporary lighting and power solutions that can adapt to constant site changes.

On this major data-centre build, El-Björn required a temporary lighting and power distribution system capable of supporting multiple project phases while maintaining safety, uniformity and energy efficiency.

LMX LED Technical Advantage

LMX LED supplied its unique long-run LED strip system, engineered for both temporary and permanent applications on large-scale infrastructure projects.

Key Technical Features

• Up to 200 metres of continuous lighting from a single 110V or 230V supply.
• Ultra-efficient LED chips delivering bright, uniform illumination.
• Plug-and-play installation, enabling extremely rapid deployment.
• Robust construction suitable for demanding construction environments.
• Suitable for temporary site lighting, permanent corridors, and emergency egress routes.

This long-run capability reduces the need for multiple transformers, minimises voltage drop, shortens installation time, and significantly lowers cable management complexity across large sites.

Project Application

The LMX LED long-run strip was used extensively during early and mid-stage construction to provide consistent, evenly distributed illumination across the site. Because of the rapid pace of the build, lighting positions needed to change frequently. The plug-and-play design allowed the system to be moved and repositioned with ease, supporting quick layout changes without downtime or additional labour.

Client Review

“I have purchased 230v LED light strip with an emergency battery backup from LMX LED and couldn’t be happier. The battery-backup option is hard to find, but LMX LED supplied exactly what we needed. Their team is very professional, provides great service, and even ships directly to our customers in Europe. Overall, we’re extremely satisfied with the support and reliability they consistently deliver.”

Steve Irwin, Head of Sales – Power

ATEX-rated LED Strip Lighting for EDF Outage and Confined Space Operations

Client: EDF


Project Type: Outage Programmes, Confined Spaces, Spraying & Maintenance Environments.

Product Used: LMX LED ATEX-Rated LED Strip light (with optional emergency backup).

Project Overview

EDF required a safe, reliable, and energy-efficient lighting solution for their outage programmes, confined space entries, and spraying operations across multiple UK nuclear facilities. These environments demand equipment that meets stringent ATEX safety standards while delivering high, uniform illumination under challenging conditions.

LMX LED supplied a bespoke ATEX-rated LED strip system designed specifically for hazardous locations where traditional temporary lighting often fails to meet safety or performance expectations.

Challenge

EDF’s maintenance and outage teams needed a lighting system that:

• Was fully ATEX compliant for hazardous zones.
• Provided bright, shadow-free illumination for precision work.
• Offered rapid installation during high-pressure shutdown windows.
• Was robust enough for industrial and nuclear environments.
• Reduced energy usage in line with EDF’s sustainability goals.
• Included an emergency backup option for safety-critical operations.

Traditional festoon or portable lighting systems could not meet all of these criteria simultaneously.

LMX LED Solution

LMX LED delivered a custom-designed ATEX-rated LED strip, engineered specifically for EDF’s operational needs. Key features included:

• Emergency backup option ensuring safe evacuation or continued working light during power loss
• 30-metre continuous run length from a single plug-and-play feed, significantly reducing setup time and cabling complexity
• Ultra-bright, uniform output ideal for detail work, spraying applications, and confined space inspection
• Highly robust construction designed for heavy industrial environments
• Ultra-efficient LED chips, helping EDF reduce energy consumption and support carbon-reduction commitments

The plug-and-play design allowed EDF’s teams to deploy lighting rapidly during outage periods, where time and safety are critical.

Outcome

Improved safety through consistent, shadow-free ATEX-compliant illumination.

Faster installation, reducing downtime during outages.

Lower energy usage, supporting EDF’s carbon reduction strategy.

Reduced equipment footprint, replacing multiple fixtures with long continuous runs.

Greater reliability in demanding conditions such as confined spaces and spraying environments.

The LMX LED ATEX strip has since become a trusted solution within EDF’s maintenance operations, supporting both routine and critical tasks across their sites.

Client Review

“We required a specialised 110V ATEX-rated LED strip with a 3-hour emergency option at Heysham Power Station. LMX LED delivered exactly what we needed. Their technical knowledge was exceptional, and they fully understood our stringent requirements. We were
extremely impressed with both the product and the support we have received, thank you LMX LED.“
Denton Cunningham
EDF ENERGY

HS2 Long-Run Tunnel & Viaduct Lighting

Client: HS2 via principal contractors.

Application: Chiltern Tunnels, Bromford Tunnel, Colne Valley Viaduct.

Products: LMX LED 110V Long-Run LED Strip System, Floodlighting, Emergency Backup Options.

Project Overview

As part of the HS2 programme, contractors required a safe, reliable and energy-efficient temporary lighting system for major construction areas including the Chiltern Tunnels, Bromford Tunnel and the Colne Valley Viaduct. These environments demanded long-distance lighting runs, high uniformity, and robust performance under challenging conditions.

Our Solution

LMX LED supplied a 200m long-run 110V LED lighting system, engineered specifically for large infrastructure works where rapid installation and consistent illumination are critical.

Insights

Align™ secured the C1 package for the UK’s HS2 project – 21.6km of high speed rail infrastructure including a 3.4km viaduct and 16km of twin-bored tunnels. The lighting for the tunnels are required to operate 24 hours a day for at least 5 years. Power supply transformers are set 300m apart so the most efficient chips were required to achieve 904lm from 7.8w/m and 1040lm from 9w/m. By using 1000 rectifiers per 25m substantially reduces the heat build-up from the current and the heat in the tunnels.

We were up against tough competition from across Europe with our bespoke INFINILED solution but after trials and appraisals LMX won the tender process and since been installed at other infrastructure projects across the world.

Key Features Delivered

200m continuous lighting runs from a single 110V feed.

Engineered for minimal voltage drop, ensuring a uniform lighting effect throughout tunnels.

Ultra-bright, high-density LEDs for clear visibility during tunnelling and structural works.

Battery backup option providing maintained egress lighting during power loss.

Colour-coded LED zones to highlight emergency routes, restricted areas and no-entry zones.

Robust, IP-rated construction suitable for tunnels, viaducts and exposed environments.

Outcome

Our long-run LED solution enabled HS2 contractors to:

• Achieve safe, uniform illumination over extended distances.
• Install and reposition lighting quickly during phased construction.
• Improve worker navigation and safety through visual zoning.
• Reduce energy consumption compared to traditional festoon systems.
• Maintain lighting continuity during power outages.

LMX LED’s 110V system proved ideal for complex, large-scale civil engineering environments, supporting safe and efficient progress across multiple HS2 structures

---

Review

“LMX LED were instrumental in achieving our strict demands to control light pollution across the south portal in Denham for HS2, we also had numerous challenges in designing the lighting for our many buildings, thankfully LMX LED were on hand to make this process seamless. I will be using LMX LED in the future.”

Mr. G Provan, Senior Electrical Project Manager HS2