Mersen is a global expert in materials and equipment for extreme environments and for the safety and reliability of electrical equipement.
Mersen, Expertise, our source of energy
Mersen's expertise is geared to serving expanding markets like energy (including renewable energies), transportation, chemical-pharmaceuticals or electronics, but also its traditional markets like process industries, helping them to achieve greater energy efficiency.
Mersen's expertise is geared to serving expanding markets like energy (including renewable energies), transportation, chemical-pharmaceuticals or electronics, but also its traditional markets like process industries, helping them to achieve greater energy efficiency.


Mersen’s business is organized today around 2 poles of expertise on which the Group holds leadership or co-leadership positions. Graphite systems and high-tech materials for highly demanding industrial environments: high temperature applications, anti-corrosive equipments; Components and innovative solutions underpinning the performance and safety of electrical installations: carbon brushes and brush holders, signal transfer systems for wind turbines, industrial fuses, cooling for power electronics…
With over 60 industrial sites and local representative offices around the world, Mersen’s network guarantees our customers a high-quality response right around the planet together with an unmatched delivery lead times.
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Mersen’s corporate project is first and foremost based on men and women of the Group.They are the one that have the expertise and develop innovative solutions. Their knowledge and know-how are Mersen’s primary asset, its human capital.
Mersen makes this space available for its shareholders. You will find essential information about he Group with regulated information, presentations, letters to shareholders as well as other documents allowing you to better understand Mersen and its strategy.
Mersen makes this space available for its shareholders. You will find essential information about he Group with regulated information, presentations, letters to shareholders as well as other documents allowing you to better understand Mersen and its strategy.
Par l’optimisation des ressources naturelles, nos expertises nous placent au centre du projet de développement durable. Une position clé qui nous oblige à être irréprochable en amont. Et qui se prolonge, en aval, par le développement de notre présence au cœur des filières porteuses d’avenir.
Efficacité énergétique
En limitant la déperdition d’énergie dans les process électriques mais aussi chimiques, Mersen développe une conception étendue de l’efficacité énergétique qui concerne tous ses métiers.
Nos filières développement durable
Mersen contribue de manière décisive à l’essor des filières du développement durable que constituent l’éolien, le solaire, les transports ferroviaires, le traitement de l’eau ou l’encore l’édification de réseaux électriques intelligents.
Limiter notre impact
L’engagement du Groupe passe avant tout par sa propre application des standards les plus exigeants. D’abord conçue pour protéger son personnel, la démarche environnementale de Mersen se déploie pour limiter ses impacts et réduire ses consommations d’eau, d’énergie et de matières premières.
Expert mondial des matériaux et équipements pour les environnements extrêmes, la sécurité et la fiabilité des équipements électriques, Mersen conçoit des solutions innovantes adaptées aux besoins de ses clients pour optimiser leur performance industrielle dans des secteurs porteurs : énergies, transports, électronique, chimie/pharmacie et industries de procédés.


