Mersen S.A. is a global expert in electrical power and advanced materials, headquartered in Courbevoie, France. Founded in 1892 as Le Carbone, the company has evolved into a key supplier for energy, electronics, transportation, chemicals, and other industries. Mersen's product portfolio includes electrical protection solutions such as fuses, fusegear, and surge protection devices, as well as power management components like bus bars, cooling systems, and laminated busbars. In advanced materials, Mersen produces graphite specialties, carbon brushes, and anti-corrosion equipment. The company serves a diverse customer base with a strong focus on safety, reliability, and sustainability. Mersen is recognized for its expertise in high-performance electrical protection and thermal management, holding a significant market position in industrial fuses and graphite solutions. With manufacturing sites and R&D centers worldwide, Mersen supports innovation in renewable energy, electric vehicles, and industrial automation. The company is publicly listed on Euronext Paris and reports annual revenues exceeding 1 billion euros. Mersen's technical leadership and long-standing heritage make it a trusted partner in critical power applications.