GVR Report cover Railway Wiring Harness Market Size, Share & Trends Report

Railway Wiring Harness Market Size, Share & Trends Analysis Report By Component (Wire, Connector), By Material (Aluminum, Copper), By Voltage, By Application, By Train Type, And Segment Forecasts, 2020 - 2027

  • Report ID: GVR-4-68038-524-3
  • Number of Pages: 110
  • Format: Electronic (PDF)

Report Overview

The global railway wiring harness market size was valued at USD 2.5 billion in 2019 and is expected to grow at a compound annual growth rate (CAGR) of 8.9% from 2020 to 2027. Wiring harnesses are mainly used for transmitting electric power and signals from the source to the given system safely and therefore is a crucial factor in the railway infrastructure. With the implementation of the wiring harness, safe power transmission with minimum leakages can be assured.

Railway Wiring Harness Market size, by component

The market is expected to witness significant growth over the forecast period owing to the rising developments and rapid changes in the quest for an increase of economies, energy efficiency, effectiveness, reliability, and quality of railway infrastructure and transport. In addition, advancements in the electrical and mechanical systems used in the railways are expected to bolster the market growth.

Urban rail infrastructure has escalated in the past decade owing to urbanization, growing environmental concerns, and rise in the population. These factors that lead to an increased demand for railway public transportation is anticipated to support market growth. According to UIC (French: Union internationale des chemins de fer; English: International Union of Railways), the worldwide railway organization, the global railway lines was 1.1 million kilometers in 2017 as compared to 1.0 million in 2012. Such developments are expected to have a positive impact on the market.

Moreover, developments to provide better transportation facilities is expected to escalate the market growth. Railway wiring harnesses are widely used to ensure passenger safety and construction of new railway lines are also among the key factors driving the market growth. For instance, Dubai is working on extension of Dubai Metro Red Line, which is expected to be finished by the end of 2020. The Dubai Metro Red Line project cost is estimated to be USD 2.9 billion.

Furthermore, implementation of driverless trains is projected to be a potential opportunity for the market. Developed countries have commenced plans for the driverless train networks, which is expected to develop the transportation sector. Europe and North America are focusing on improving the passenger safety and security by replacing the existing as well as older systems with advanced systems and retrofitting trains. Deployment of driverless trains and retrofitting necessitate extensive amount of wiring, thus creating a huge opportunity for the market. For instance, an initiative named 4th railway package, was started in Europe, which is responsible for the structural and technical reformation of single European rail area.

Railway Wiring Harness Market Trends

The expansion of the market is heavily influenced by expanding smart city initiatives and increasing railway projects. Another driver boosting the market is the usage of wiring harnesses for safe power transfer with minimal leakages.  In addition, the growing advances and rapid changes in the race to improve economies, energy efficiency, consistency, and value of rail infrastructure and transportation will drive the industry forward throughout the forecast period.

Growing urbanization, rising demand for expanded public transportation services, and government measures to improve railway connections by developing existing railway infrastructure are the primary factors driving market expansion. In addition, as railways become more common as a source of transportation and logistics, demand for the market is expected to grow.

The unpredictable price of raw materials such as copper, aluminum, and plastic are some of the reasons that limit the growth of the market. Furthermore, due to changes in weather conditions, the wiring system is subject to corrosion, and they run under heavy loads, which might affect their durability. This might cause numerous failures inside the train systems, resulting in downtime or delays which are expected to hamper the industry growth.

The expanding popularity of self-driving trains, and the growing demand for energy-efficient wiring systems, will provide the market with numerous potential opportunities. Also, the increased usage of safety sensors, such as foggy invisibility situations and automatic signal control systems is expected to provide numerous chances to grow.

Component Insights

The component segment has been segregated into electric wires, terminals, connectors, and others. The others segment includes protectors, grommet, clamps, convoluted tubes, and sheaths. Wires segment led the market in 2019 and will retain its position throughout the forecast period. This is attributed to the rising usage of wires in wide range of applications, such as felicitating power supplies and rail signal transmission.

The terminal segment is expected to have a significant growth from 2020 to 2027. Connectors used in railway wiring harnesses are used in vehicles that are integrated with advanced safety systems, such as braking systems and immobilizers. A key factor impelling the sales of railway terminals includes rising development of advanced technologies, including driver assistance systems and safety features.

Major companies in the industry are focusing on introducing technological advancements that will not only ensure improved operations but also result in less energy consumption. For instance, introduction of energy-efficient systems in several train types, such as high-speed/bullet rail, is expected to reduce energy consumption, thereby resulting in increased demand for wires, terminals, and connectors.

Material Insights

Material type segment includes aluminum, copper, and others. As the main function of the wires is to transfer the electrical supply from the source to the available systems, aluminum and copper are mostly used in the wiring harness as both the metals are good conductors of electricity. However, aluminum wires are widely used in power transmission and distribution application across several wiring power grids due to a better conductivity to weight ratio than copper wires. Therefore, it is widely used across the wiring power grids. Furthermore, need for energy-efficient wiring system is crucial as it ensures efficient electricity usage and prevents leakages and short circuits. Hence, the aluminum material segment is expected to be the major shareholder and is expected to maintain its position throughout the forecast period.

Aluminum is also preferred in the production of railway wiring harness since it is light in weight and durable. Applications, such as Light Rail Transit (LRT) and high-speed rail or bullet rail need such lightweight material. Moreover, the material offers high strength as compared to its counterparts. However, easier maintenance can be achieved with copper, due to its corrosion resistance capabilities, which is anticipated to boost its demand over the forecast period.

Voltage Insights

Low voltage segment led the market with a share of 59.9% in 2019 and will expand further retaining its leading position. This growth is credited to the increasing number of comfort systems, such as music systems, Wi-Fi devices, charger port, and others, in trains. The ability of low voltage to evenly distribute the current from transformer station to information, security, lighting, supervision systems, and cover long distance transmission networks is also anticipated to drive the segment growth. The segment’s growth is also influenced by regional developments.

For instance, the low voltage segment is anticipated to witness a significant growth in the Asia Pacific region owing to rising investments in upgrading the rolling stock technology. The medium voltage segment is expected to expand at a CAGR of over 8.0% from 2020 to 2027. Medium voltage is used to feed the standard power distribution network with a voltage range between 1000V to 25kV. Furthermore, its ability to effectively power information systems of railway networks is anticipated to fuel the segment growth. Its capacity to operate in underground areas, such as tunnels, is also expected to drive the segment growth.

Train Type Insights

High-speed rail/bullet train led the global market in 2019 and is estimated to retain its position throughout the forecast period. This growth is attributed to rising focus on high-speed rail programs and increasing government initiatives to enhance transportation and modernize railway infrastructure. Furthermore, benefits, such as freight transport and capability & accuracy to cover large geographic areas in short time is also expected to pave the way for high-speed rail/bullet trains.

Several countries are inclined to expand their rail network, which is also expected to drive the segment. For instance, China’s high-speed rail network track is 20,000 km and the country plans to expand its length to over 30,000 km by 2020. Light rail train type is expected to be the second-largest segment over the forecast period. Light rail requires lesser space and thus operates effectively in congested and small towns. Such factors are anticipated to fuel segment growth.

Application Insights

Application segment consists of HVAC, lighting, brake, engine, infotainment, traction system, and others. The HVAC harness segment is expected to be the major shareholder of the application segment over the forecast period. HVAC needs good quality of wiring harness as it needs to combat extreme environment conditions, such as humidity and high temperatures. HVAC harness eliminated the need for large and complex wiring thereby, reducing the maintenance and installation cost of the overall system.

Railway Wiring Harness Market share, by application

Infotainment harness is expected to register the fastest CAGR during the forecast period. Implementation of infotainment system in railways provides interactive services to the passengers. For instance, in 2016, U.K.-based Virgin Trains initiated entertainment facilities in the railways that enabled the customers to watch movies and TV programs.

Regional Insights

Europe accounts for the highest market share as the region has a well-established rail base. Moreover, increasing investments in rail infrastructure is one of the major reasons for Europe to be the market leader. For instance, according to the European Commission, in 2016, rail infrastructure investments in the region were USD 34.83 billion.

Railway Wiring Harness Market Trends by Region

Asia Pacific is projected to be the fastest-growing region due to increasing population and need for better and faster transportation facilities. Various business initiatives undertaken by the governments of various countries in this region are expected to have a positive impact on market growth. For instance, the total rail infrastructure cost of Japan in 2016 was USD 54.22 billion. Moreover, in February 2018, the Indian government-endorsed six new railway projects, in four states, with an aggregate value of USD 1.8 billion. In China, various initiatives, such as “Belt and Road”, have led to significant investments in expanding rail-freight networks between Asian and European countries.

Key Companies & Market Share Insights

Major companies operating in the market include Hitachi Metals, Ltd.; HUBER+SUHNER; LEONI AG; LS Cable & System Ltd.; Motherson Group; NKT A/S; Taihan Electric Wire Co. Ltd.; TE Connectivity; and The Prysmian Group. Most of the established companies are trying to sustain their market position by making investments in R&D and constant technological development.

Recent Developments

  • In October 2022, HUBER+SUHNER acquired Phoenix Dynamics Ltd to broaden its contribution in the industry. This acquisition will provide HUBER+SUHNER a strong presence in the railway wiring harness market, as well as access to Phoenix Dynamics’ expertise in custom cable assembly and design.

  • In January 2022, Leoni AG, a global provider of solutions, services, and products for energy and data management sold significant parts of its business to BizLink. As a result, the finalized deal will greatly improve Leoni AGs financial situation.

  • In September 2021, TE Connectivity, a leader in connectivity and sensors, acquired ERNI Group AG, a leading company in electronic connectivity. This acquisition will augment TE’s capabilities in broad connectivity and expand its customer base and presence in the market.

  • In January 2022, NKT acquired Ventcroft Ltd to improve its standing in the field of fire-resistant power cable technology, which will help NKT to meet the growing demand for fire-resistant power cables in the railway industry.

  • In January 2021, Kabel Metall & Trafo Gjenvinning AS (KMT) acquired NKT's recycling operation in Denmark's Stenlille, and the parties agreed to carry on recycling cables in the future. The railway wiring harness market is growing in Northern Europe, and KMT after this acquisition will be well-positioned to meet the demand for recycled cables in this market.

Railway Wiring Harness Market Report Scope

Report Attribute


Revenue forecast in 2027

USD 5.0 billion

Growth rate

CAGR of 8.9% from 2020 to 2027

Base year for estimation


Historical data

2016 - 2018

Forecast period

2020 - 2027

Quantitative units

Revenue in USD billion and CAGR from 2020 to 2027

Report coverage

Revenue forecast, company ranking, competitive landscape, growth factors, and trends

Segments covered

Component, material, voltage, train type, application, region

Regional scope

North America, Europe, Asia Pacific, Latin America, and MEA

Country scope

U.S., Canada, U.K., Germany, France, China, India, Japan, Brazil, and Mexico

Key companies profiled

Hitachi Metals, Ltd.; HUBER+SUHNER; LEONI AG; LS Cable & System Ltd.; Motherson Group; NKT A/S; Taihan Electric Wire Co. Ltd.; TE Connectivity; The Prysmian Group.

Customization scope

Free report customization (equivalent to up to 8 analysts working days) with purchase. Addition or alteration to country, regional & segment scope.

Pricing and purchase options

Avail customized purchase options to meet your exact research needs. Explore purchase options


Global Railway Wiring Harness Market Segmentation

The report forecasts revenue growth at global, regional, and country levels and provides an analysis of the latest industry trends in each of the sub-segments from 2016 to 2027. For the purpose of this report, Grand View Research has segmented the global railway wiring harness market report based on component, material, voltage, train type, application, and region.

Global Railway Wiring Harness Market Segmentation

  • Component Outlook (Revenue, USD Billion, 2016 - 2027)

    • Wire

    • Connector

    • Terminal

    • Others

  • Material Outlook (Revenue, USD Billion, 2016 - 2027)

    • Aluminum

    • Copper

    • Others

  • Voltage Outlook (Revenue, USD Billion, 2016 - 2027)

    • Low Voltage (Up to 1000V)

    • Medium Voltage (1000V to 25kV)

    • High Voltage (25kV to 230 kV)

  • Train Type Outlook (Revenue, USD Billion, 2016 - 2027)

    • Metro Rail Transit/Monorail

    • Light Rail Transit

    • High-Speed Rail/Bullet Rail

    • Others

  • Application Outlook (Revenue, USD Billion, 2016 - 2027)

    • HVAC Harness

    • Lighting Harness

    • Brake Harness

    • Engine Harness

    • Infotainment Harness

    • Transaction System Harness

    • Others

  • Regional Outlook (Revenue, USD Billion, 2016 - 2027)

    • North America

      • The U.S.

      • Canada

    • Europe

      • The U.K.

      • Germany

      • France

    • Asia Pacific

      • China

      • India

      • Japan

    • Latin America

      • Brazil

      • Mexico

    • Middle East & Africa

Frequently Asked Questions About This Report

gvr icn


gvr icn

This FREE sample includes data points, ranging from trend analyses to estimates and forecasts. See for yourself.

gvr icn


We can customize every report - free of charge - including purchasing stand-alone sections or country-level reports, as well as offer affordable discounts for start-ups & universities. Contact us now

Certified Icon

We are GDPR and CCPA compliant! Your transaction & personal information is safe and secure. For more details, please read our privacy policy.