- CEO
- Salvador Lamas-Mantec
- Full Time Employees
- 7,259
- Sector
- Producer manufacturing
- Industry
- Electrical products
- Address
- Tour EQHO Courbevoie IF France 92400
- IPO Date
- May 20, 2010
- Business
- Mersen S.A. manufactures and markets electrical power products and advanced materials for high-tech industries worldwide. The company operates through two main segments: Advanced Materials, which encompasses graphite specialties for high-temperature applications including isostatic and extruded graphite, carbon insulation solutions, anticorrosion equipment such as heat exchangers, columns, reactors, pressure vessels, PTFE bellows, pipes and fittings, Graphilor graphite bursting discs, and Boostec SSiC; and Electrical Power, which provides fuses including NH gBat for batteries and HelioProtection HP15NH for photovoltaics, fuse holders and systems such as Modulostar CUS10, surge protection including Surge-Trap STXH 75kA series, power distribution blocks, IEC fuse switch disconnectors, low-voltage and high-power switches, capacitors, power stacks, bus bars, cooling solutions and services, carbon brushes, slip rings, brush-holders, industrial current collectors, and power transfer systems for rail. Founded in 1891 and headquartered in Courbevoie, France, Mersen maintains over 50 industrial sites and 21 R&D centers across 33 countries, including significant operations in North America, Europe, Asia-Pacific, serving sectors such as energy including renewables and electric vehicles, electronics, transportation, chemicals, pharmaceuticals, aeronautics, and defense. Recent developments include selection by the U.S. Defense Logistics Agency to supply isostatic synthetic graphite, partnership with CATL to provide advanced fuses for battery systems, expansion of the Surge-Trap STXH 75kA surge protection series, and announcement of governance changes with Salvador Lamas appointed as Chief Executive Officer effective May 2026 succeeding Luc Themelin, alongside Luc Themelin nominated as non-executive Chairman replacing Olivier Legrain.