Line Arrestor

Line Arrestor Market Outlook

The global line arrestor market is projected to reach approximately USD 4.5 billion by 2035, growing at a compound annual growth rate (CAGR) of 5.8% during the forecast period from 2025 to 2035. This growth is primarily driven by the increasing demand for dependable power transmission and distribution infrastructures worldwide. The rising frequency of extreme weather events, coupled with an increased need for reliable electrical systems in both urban and rural settings, has fostered a growing market for line arrestors. Moreover, the ongoing investments in renewable energy projects and smart grid technologies are further propelling the demand for advanced line protection solutions to mitigate surge and overvoltage conditions. Technological advancements in materials and design also contribute to the effectiveness and reliability of line arrestors, making them indispensable in today's electrical systems.

Growth Factor of the Market

The line arrestor market is witnessing significant growth due to several compelling factors. Firstly, the rapid expansion of the energy sector, driven by urbanization and industrialization, necessitates robust protective measures for electrical systems to prevent outages and equipment damage. Additionally, the increasing investment in renewable energy sources, such as wind and solar power, is leading to the implementation of advanced line protection devices to ensure system reliability. Regulatory frameworks mandating the use of surge protection devices in many regions are also bolstering market growth. Furthermore, continuous innovations in materials, such as polymer and composite materials, are enhancing the performance and durability of line arrestors, making them more effective in various environmental conditions. The growing awareness about the importance of electrical safety and reliability further fuels the demand for line arrestors in both industrial and residential applications.

Key Highlights of the Market

• The global line arrestor market is projected to reach USD 4.5 billion by 2035.
• It is expected to grow at a CAGR of 5.8% from 2025 to 2035.
• Surge arresters are anticipated to dominate the product type segment.
• Asia Pacific is expected to hold the largest market share due to rapid industrialization.
• Technological advancements in material science are enhancing product performance.

By Product Type

Surge Arresters:

Surge arresters play a critical role in protecting electrical equipment from transient overvoltages caused by lightning strikes or switching operations. These devices are designed to divert excess voltage away from sensitive components, thus preventing damage and ensuring operational continuity. Surge arresters are widely used in various applications, including power transmission and distribution systems, substations, and renewable energy installations. Their effectiveness in safeguarding equipment has led to an increased adoption across multiple sectors, especially as electrical systems become more complex. The growing emphasis on grid reliability and the need for enhanced protection mechanisms are expected to fuel the demand for surge arresters in the coming years.

Lightning Arresters:

Lightning arresters are specialized devices aimed at protecting electrical installations from the devastating effects of direct lightning strikes. These devices offer a direct path for lightning energy to safely discharge, thereby preventing harm to infrastructure and personnel. The use of lightning arresters is particularly crucial in regions prone to severe weather conditions, where lightning strikes are frequent. As urban landscapes continue to expand and infrastructure investments rise, the integration of lightning protection systems becomes essential to ensure safety and continuity. The growing awareness of the risks associated with lightning strikes is driving the demand for lightning arresters across various applications, ranging from telecommunications to transportation systems.

Overvoltage Arresters:

Overvoltage arresters are designed to protect electrical systems from excessive voltages that can occur due to various factors, such as equipment failures or sudden switching actions. By providing a pathway for excess voltage to safely dissipate, these devices play a pivotal role in maintaining system integrity and minimizing downtime. The demand for overvoltage arresters is increasing as industries seek to bolster their electrical safety measures. With advancements in technology leading to more efficient and reliable designs, these arresters are being widely adopted in power generation, transmission, and distribution sectors. As electrical demands grow, the need for effective overvoltage protection solutions will continue to drive market growth.

Insulation Coordination Devices:

Insulation coordination devices are critical for ensuring that electrical systems maintain proper insulation levels under various operating conditions. These devices help prevent insulation failure by coordinating the insulation strengths of components within a system. The increasing complexity of electrical installations, particularly in industrial and infrastructure projects, necessitates the use of insulation coordination devices to manage risks effectively. As more industries prioritize safety and reliability, the demand for these devices is expected to rise, particularly in sectors such as utilities, manufacturing, and transportation. Their role in enhancing the longevity and performance of electrical systems will further support market growth.

Earthing Systems:

Earthing systems are essential for grounding electrical installations, providing a safe path for fault currents and preventing electrical shock hazards. These systems contribute significantly to the overall safety and reliability of electrical networks. With increasing electrical infrastructure and a growing focus on safety standards, the demand for effective earthing solutions is on the rise. Industries are increasingly investing in advanced earthing systems to enhance the reliability of their operations and protect personnel and equipment. This trend is particularly evident in sectors such as renewable energy, where effective grounding solutions are crucial for the safe operation of installations. Consequently, the earthing systems segment is poised for significant growth in the coming years.

By Application

Power Transmission Lines:

Power transmission lines are critical infrastructures that transport electricity over long distances, and they are particularly susceptible to surges and overvoltages. Line arrestors installed on these lines provide vital protection against external disturbances, such as lightning strikes and switching transients. The growing demand for electricity and the expansion of transmission networks to accommodate renewable energy sources are driving the need for reliable surge protection devices in this segment. As power grids evolve to meet increasing energy demands and address challenges posed by climate change, the importance of robust line arrestor solutions will continue to grow, ensuring the safety and reliability of power transmission systems.

Power Distribution Lines:

Power distribution lines are responsible for delivering electricity from substations to end-users, making them a crucial part of the electrical grid. These lines face various electrical stresses, including overvoltage conditions, that can lead to equipment failures and power outages. The installation of line arrestors on distribution lines is essential to protect transformers and other critical components from damage. As populations grow and urban areas expand, the demand for reliable electricity distribution systems is increasing, thereby boosting the market for line arrestors. The shift towards smart grid technologies and the implementation of advanced monitoring systems further heighten the need for effective surge protection in this application.

Substation Equipment:

Substations are key components of the power grid, serving as interconnection points where electricity is transformed and distributed. The equipment within substations is subject to high voltage fluctuations, necessitating the use of line arrestors for protection against surges. These devices safeguard transformers, switchgear, and control systems from potential damage caused by transient overvoltages. As electrical systems become more interconnected and complex, the demand for robust protection solutions in substations is rising. Investments in upgrading and modernizing substation infrastructure, particularly in light of the growing reliance on renewable energy sources, will further drive the adoption of line arrestors in this sector.

Communication Lines:

Communication lines, including telecommunications and data transmission networks, require stringent protection from electrical disturbances to ensure uninterrupted service. Line arrestors are critical in safeguarding communication infrastructure from surges caused by lightning strikes or nearby electrical faults. The rapid growth of digital communication technologies and the increasing reliance on data-driven applications have heightened the need for reliable protection solutions. As industries continue to expand their communication networks, particularly in remote and rural areas, the demand for line arrestors tailored for communication lines is expected to rise significantly. The ongoing shift toward 5G technology will further emphasize the necessity of protecting these critical systems from electrical hazards.

Industrial Equipment:

Industrial equipment operates in environments that are often exposed to electrical surges and voltage fluctuations, making it essential to incorporate line arrestors for protection. These devices help safeguard machinery, control systems, and sensitive electronic components from damage, thereby improving operational reliability and minimizing downtime. The growing focus on automation and digitalization in manufacturing processes is driving demand for effective surge protection solutions. As industries strive for greater efficiency and reduced operational risks, the integration of line arrestors will become increasingly critical. The push towards sustainable practices and the adoption of Industry 4.0 technologies will further propel the need for robust line protection in industrial applications.

By Distribution Channel

Direct Sales:

Direct sales of line arrestors enable manufacturers to engage directly with end-users, providing tailored solutions to meet specific needs. This distribution channel allows for effective communication of product benefits, technical support, and customization options. Manufacturers can leverage direct sales to build strong relationships with customers, fostering trust and loyalty. As industries increasingly seek reliable line protection solutions, direct sales are likely to gain traction, allowing for better responsiveness to market demands. Additionally, this approach can facilitate feedback for product improvements and drive innovation, ultimately leading to enhanced offerings in the line arrestor market.

Indirect Sales:

Indirect sales involve intermediaries such as distributors and wholesalers, who play a vital role in expanding the reach of line arrestors across various markets. This distribution channel allows manufacturers to penetrate diverse geographic regions effectively, ensuring that products are readily available to customers. The reliance on established distribution networks enables manufacturers to focus on production while leveraging the expertise of intermediaries in sales and customer service. As the market for line arrestors continues to grow, indirect sales channels will remain essential for reaching new customers and maintaining competitive advantage.

Online Retailers:

The rise of e-commerce has significantly transformed the distribution landscape for line arrestors. Online retailers provide customers with the convenience of purchasing protective devices from the comfort of their homes, facilitating easy access to a wide range of products. This channel allows customers to compare prices, read reviews, and make informed decisions. The increasing trend toward online shopping is expected to drive substantial growth in the line arrestor market as manufacturers and retailers enhance their online presence. Additionally, digital marketing strategies can help raise awareness about product features and benefits, ultimately leading to increased sales through online platforms.

Specialty Stores:

Specialty stores focus on niche markets and provide an intimate shopping experience for customers seeking specific products, including line arrestors. These stores often carry a curated selection of high-quality protective devices, allowing customers to receive personalized assistance and expert advice. The presence of knowledgeable staff can help customers make informed choices based on their unique requirements. As industries increasingly prioritize electrical safety and protection, specialty stores will continue to play an important role in connecting customers with the right line arrestor solutions. The ability to cater to specific needs will enhance customer satisfaction and loyalty within this distribution channel.

Distributors:

Distributors serve as key players in the supply chain for line arrestors, facilitating the movement of products from manufacturers to end-users. Their role encompasses inventory management, logistics, and marketing support, which are critical for maintaining a steady supply of products in the market. Distributors often have established relationships with a wide network of customers across various sectors, enabling them to effectively promote line arrestors and drive sales. As demand for electrical protection solutions continues to rise, distributors will remain essential in ensuring that products are readily available to meet the needs of diverse industries.

By Material Type

Polymer:

Polymer-based line arrestors are gaining popularity due to their lightweight nature and resistance to environmental factors. These materials offer excellent insulation properties and can withstand mechanical stress, making them ideal for outdoor applications. The growing demand for durable and effective surge protection solutions is driving the adoption of polymer materials in line arrestors. As manufacturers continue to innovate in material science, polymer-based designs are expected to become increasingly prevalent, enhancing the overall performance of line arrestors in various applications.

Porcelain:

Porcelain has long been a traditional choice for line arrestors, owing to its excellent electrical insulation properties and mechanical strength. This material is well-suited for high-voltage applications and can withstand harsh environmental conditions. The use of porcelain in line arrestors has been a standard practice, especially in older electrical systems. However, as the market evolves and newer materials emerge, the demand for porcelain line arrestors may experience shifts. Nonetheless, their established reliability and proven track record will continue to sustain their presence in specific applications.

Glass:

Glass line arrestors are recognized for their superior transparency and durability, making them suitable for applications where visibility and monitoring are important. These devices provide excellent insulation and can withstand high voltage levels effectively. The demand for glass line arrestors is particularly notable in environments where aesthetics and performance are equally prioritized. As industries seek innovative solutions that combine functionality with visual appeal, glass-based line arrestors are likely to gain traction in the market, particularly in urban settings.

Silicone:

Silicone materials offer exceptional resistance to aging and environmental degradation, making them an attractive option for line arrestors. These materials can withstand extreme temperatures and UV radiation, ensuring prolonged performance in outdoor applications. The growing emphasis on durability and longevity in electrical systems is driving the adoption of silicone-based line arrestors. As industries increasingly prioritize sustainable practices and energy efficiency, the demand for high-performance silicone solutions will continue to rise, contributing to the overall growth of the line arrestor market.

Composite:

Composite materials are emerging as a preferred choice for line arrestors due to their lightweight and high-strength characteristics. These materials provide excellent electrical insulation and can withstand harsh weather conditions, making them ideal for various applications. The versatility and performance of composite line arrestors are driving their adoption in both industrial and utility settings. As manufacturers continue to innovate in composite material technology, the market for these line arrestors is expected to expand significantly, meeting the needs of modern electrical systems.

By Region

The line arrestor market is witnessing significant regional variations, driven by local infrastructure developments and electricity demand patterns. In the Asia Pacific region, the market is projected to dominate, accounting for approximately 40% of the global share by 2035. This growth can be attributed to rapid urbanization, industrialization, and extensive investments in power generation and distribution networks across countries such as China and India. The increasing adoption of renewable energy projects and smart grid technologies is further propelling the demand for line arrestors in this region, with an expected CAGR of 6.5% during the forecast period.

North America is also expected to play a significant role in the line arrestor market, projecting a share of around 25% by 2035. The region's aging electrical infrastructure necessitates upgrades and enhancements, leading to increased investments in protective devices such as line arrestors. Additionally, the growing focus on renewable energy sources and the integration of advanced technologies in electrical systems are expected to fuel demand. Europe is anticipated to hold approximately 20% of the market share, driven by stringent regulations governing electrical safety and reliability. The rising adoption of smart grid solutions and the need for effective surge protection in industrial applications will further support market growth in this region.

Opportunities

The line arrestor market presents numerous opportunities for growth, driven by technological advancements and increasing energy demands. With the global shift towards renewable energy sources, there is a burgeoning need for robust protective devices to ensure the reliability and safety of solar, wind, and other renewable installations. Manufacturers have the chance to innovate and develop advanced line arrestors specifically designed for these applications, capitalizing on the growing emphasis on sustainability and green energy. Additionally, the trend towards smart grids and digitalization in the energy sector opens avenues for integrating advanced monitoring and protection solutions with line arrestors, providing added value to customers and enhancing operational efficiency.

Furthermore, emerging markets in regions such as Asia Pacific and Africa present significant growth prospects for the line arrestor market. With increasing investments in infrastructure development and a rising demand for electricity, these regions are poised for substantial growth in electrical safety solutions. Companies that strategically position themselves to tap into these expanding markets can benefit from first-mover advantages. Collaborations with local distributors and stakeholders will further enhance market penetration and brand visibility, enabling manufacturers to establish a strong foothold in these lucrative sectors.

Threats

Despite the promising growth potential of the line arrestor market, several threats could impede its progress. One significant challenge is the presence of counterfeit products and low-quality alternatives, which can undermine the reputation of established brands and compromise safety standards. The proliferation of substandard line arrestors poses risks to users, leading to potential failures and damaging incidents. Manufacturers must remain vigilant and invest in quality control measures to ensure the reliability of their products, as well as educate customers about the importance of using certified line arrestors to mitigate risks associated with counterfeit alternatives. Additionally, fluctuations in raw material prices could impact production costs and profitability, necessitating effective supply chain management strategies to navigate these challenges.

Another potential threat to the line arrestor market is the rapid pace of technological advancements. While innovation presents opportunities, it also requires manufacturers to continuously adapt to evolving standards and customer expectations. The introduction of new materials and designs may render existing products less competitive, necessitating ongoing research and development investments. Companies that fail to keep pace with technological changes risk losing market share to more agile competitors who can quickly respond to shifts in consumer preferences and industry trends. Thus, maintaining a culture of innovation and adaptability will be crucial for companies operating in the line arrestor market.

Competitor Outlook

• Siemens AG
• General Electric (GE)
• Schneider Electric
• ABB Ltd.
• Eaton Corporation PLC
• TE Connectivity Ltd.
• Rittal GmbH & Co. KG
• DEHN SE + Co KG
• Hubbell Incorporated
• Emerson Electric Co.
• Phoenix Contact GmbH & Co. KG
• Metalurgica Mazzarese Srl
• Isolux Corsan
• Littelfuse, Inc.
• Polymer Insulators Pty Ltd

The competitive landscape of the line arrestor market is characterized by a mix of established players and emerging companies striving for market share through innovation and technological advancements. Major companies such as Siemens AG and General Electric (GE) dominate the market by leveraging their extensive portfolios and established brand reputations. These companies are actively engaged in research and development to create state-of-the-art line arrestors that meet the evolving needs of customers across various industries. Furthermore, partnerships and collaborations with regional distributors and industry stakeholders allow these companies to expand their reach and enhance their service offerings.

In addition to the major players, several mid-tier and emerging companies are gaining traction in the line arrestor market. Firms such as DEHN SE + Co KG and Littelfuse, Inc. are focusing on niche segments and offering specialized products tailored to specific applications. Their agility and ability to adapt swiftly to market trends enable them to carve out unique positions in the competitive landscape. As the industry continues to evolve, collaboration among companies may lead to mergers and acquisitions, further consolidating market power among a few key players.

Emerging technologies and innovative materials are driving the next wave of competition in the line arrestor market. Companies that invest in research and development to create more efficient and durable products will be in a favorable position to capture market share. Additionally, the integration of digital technologies into line arrestors, such as smart monitoring systems, will provide a competitive edge for manufacturers able to deliver enhanced solutions for end-users. As the demand for reliable electrical systems increases globally, companies must continuously adapt their strategies to remain ahead in this dynamic market.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 ABB Ltd.
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Siemens AG
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Isolux Corsan
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 DEHN SE + Co KG
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Littelfuse, Inc.
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Schneider Electric
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Emerson Electric Co.
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Hubbell Incorporated
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Rittal GmbH & Co. KG
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 TE Connectivity Ltd.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Eaton Corporation PLC
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 General Electric (GE)
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Metalurgica Mazzarese Srl
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Polymer Insulators Pty Ltd
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Phoenix Contact GmbH & Co. KG
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Line Arrestor Market, By Application
    • 6.1.1 Power Transmission Lines
    • 6.1.2 Power Distribution Lines
    • 6.1.3 Substation Equipment
    • 6.1.4 Communication Lines
    • 6.1.5 Industrial Equipment
  • 6.2 Line Arrestor Market, By Product Type
    • 6.2.1 Surge Arresters
    • 6.2.2 Lightning Arresters
    • 6.2.3 Overvoltage Arresters
    • 6.2.4 Insulation Coordination Devices
    • 6.2.5 Earthing Systems
  • 6.3 Line Arrestor Market, By Material Type
    • 6.3.1 Polymer
    • 6.3.2 Porcelain
    • 6.3.3 Glass
    • 6.3.4 Silicone
    • 6.3.5 Composite
  • 6.4 Line Arrestor Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Indirect Sales
    • 6.4.3 Online Retailers
    • 6.4.4 Specialty Stores
    • 6.4.5 Distributors

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Line Arrestor Market by Region
  • 10.4 Latin America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 Brazil
      • 10.4.1.2 Argentina
      • 10.4.1.3 Mexico
  • 10.5 North America - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 USA
      • 10.5.1.2 Canada
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Line Arrestor market is categorized based on

By Product Type

• Surge Arresters
• Lightning Arresters
• Overvoltage Arresters
• Insulation Coordination Devices
• Earthing Systems

By Application

• Power Transmission Lines
• Power Distribution Lines
• Substation Equipment
• Communication Lines
• Industrial Equipment

By Distribution Channel

• Direct Sales
• Indirect Sales
• Online Retailers
• Specialty Stores
• Distributors

By Material Type

• Polymer
• Porcelain
• Glass
• Silicone
• Composite

By Region

• Asia Pacific
• North America
• Latin America
• Europe
• Middle East & Africa

Key Players

• Siemens AG
• General Electric (GE)
• Schneider Electric
• ABB Ltd.
• Eaton Corporation PLC
• TE Connectivity Ltd.
• Rittal GmbH & Co. KG
• DEHN SE + Co KG
• Hubbell Incorporated
• Emerson Electric Co.
• Phoenix Contact GmbH & Co. KG
• Metalurgica Mazzarese Srl
• Isolux Corsan
• Littelfuse, Inc.
• Polymer Insulators Pty Ltd