Mersen SA manufactures and sells electrical power products and advanced materials in France, North America, rest of Europe, the Asia-Pacific, and internationally. It operates through Advanced Materials and Electrical Power segments. The company offers electrical protection and control products, such as IEC and UL/CSA low voltage general purpose fuses and fuse gears, high and medium voltage fuses, and power transfer solutions for rail vehicles, as well as surge protection, lightning protection, and power monitoring solutions; and power management solutions, including high speed fuses, DC protection for electric vehicles and battery, cooling solutions, bus bars, and aluminum electrolytic and film capacitors. It also provides anticorrosion equipment comprising heat exchangers; columns, reactors, and pressure vessels; PTFE or PFA bellows, pipes, elbows, and fittings; graphite bursting discs; corrosion resistant materials; and after-sales and maintenance services, as well as graphite specialties, such as isostatic graphite, carbon insulation, extruded graphite, carbon/carbon composites, silicon carbide, and flexible graphite. In addition, the company offers carbon brushes, brush-holders, brush-rockers and brush gear housings, signal and power transmission systems, rotary joints, current collectors, wheel flange lubrication solutions, carbon dust collection systems, and monitoring solutions, as well as slip, pitch control, and electrical ring assemblies. It serves energy, electronics, transportation, corrosive chemicals, and process industries, as well as other markets comprising building, elevator, ski lifts, defense, HVAC, and outdoor LED lighting markets. The company was formerly known as Groupe Carbone Lorraine SA and changed its name to Mersen SA in 2010. Mersen SA was founded in 1889 and is headquartered in Courbevoie, France.