Mersen S.A.

Founded in 1889 and headquartered in Courbevoie, France, Mersen S.A. (formerly known as Groupe Carbone Lorraine SA until its 2010 rebranding) is a global enterprise specializing in the production and distribution of advanced electrical power products and high-performance materials. Its extensive operations reach across France, North America, the wider European region, Asia-Pacific, and numerous other international territories, segmented into its Advanced Materials and Electrical Power divisions. The Electrical Power segment delivers a comprehensive range of solutions for power protection, control, and management. This encompasses various general-purpose and specialized fuses (including low, high, and medium voltage options, as well as high-speed and DC protection for electric vehicles and battery systems), power transfer mechanisms for rail transport, surge and lightning protection devices, and power monitoring solutions. Additionally, this division provides critical power management components such as sophisticated cooling systems, bus bars, and both aluminum electrolytic and film capacitors. Mersen's Advanced Materials division is dedicated to highly engineered components. Its offerings include a suite of anticorrosion equipment like heat exchangers, columns, reactors, pressure vessels, and an array of PTFE or PFA-based products such as bellows, pipes, elbows, and fittings, alongside graphite bursting discs and other robust corrosion-resistant materials, supported by comprehensive after-sales and maintenance services. This segment also manufactures a diverse selection of graphite specialties, including isostatic graphite, carbon insulation, extruded graphite, carbon/carbon composites, silicon carbide, and flexible graphite. Furthermore, it produces an extensive line of carbon brushes and related systems, such as brush-holders, brush-rockers, brush gear housings, signal and power transmission systems, rotary joints, current collectors, wheel flange lubrication solutions, carbon dust collection systems, monitoring solutions, and slip, pitch control, and electrical ring assemblies. Mersen's versatile product portfolio caters to a broad spectrum of essential industries, including energy, electronics, transportation, corrosive chemicals, and various process sectors. Moreover, its innovative solutions are crucial in diverse other markets, such as building and infrastructure, elevators, ski lifts, defense, HVAC systems, and outdoor LED lighting applications.