Mersen is a global expert in electrical power and advanced materials. Mersen designs innovative solutions to address its clients specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical, pharmaceutical and process industries.
We provide expertise in:
Safety & Reliability of Electrical Power
Mersen integrates its product expertise into customer’s applications to make them safe, reliable and profitable.
We provide expertise in:
We bring our expertise to you with product designed to meet your standards. Thousands of local sales representatives and distributors around the globe provide experienced and attentive customer service.
Visit Mersen Electrical Power History to learn more about our century-long history.
Visit Mersen Product Brands to learn more about our major product brands.
1885 - Shawmut Fuse Wire Company formed in Boston, MA
1928 - Ferraz Fuse founded by Lucien Ferraz
1958 - Chase Shawmut acquired by I-T-E Imperial.
1976 - I-T-E Imperial Corp acquired by Gould inc of East Lake, OH
1980 - Gould acquires the Canadian Electric Fuse – Toronto
1982 - Ferraz acquired by Telemecanique1985 - Carbone Lorraine acquires Ferraz - France
1999 - Carbone Lorraine acquires Gould Shawmut and forms Ferraz Shawmut.
2007 - Ferraz Shawmut acquires Power Fuse group from General Electric - USA
2008 - Ferraz Shawmut acquires majority ownership of MEP/Miro - China
2008 - Ferraz Shawmut acquires R-Theta Thermal Management - Canada
2010 - Ferraz Shawmut acquires M.Schneider Sicherungs-Systeme - Austria
2010 - Carbon Lorraine changes corporate name to Mersen
2012 - Mersen acquires Eldre – USA and France
2014 - Mersen acquires a majority stake in Cirprotec - Spain
2015 - Mersen acquires ASP, a surge protective device manufacturer based in China
2018 - Mersen acquires Idealec, a laminated bus bar manufacturer based in France and China
2018 - Mersen announces strategic investment in Caly Technologies, an SiC semiconductor device manufacturer based in France
2018 - Mersen acquires FTCap, a capacitor manufacturer based in Germany and Switzerland
In February 2014, Mersen acquired a majority share in Cirprotec, a pioneering company involved in the design and manufacture of lightning and surge protection devices. For more than 20 years CPT has been a leading player in this sector and also provides consulting services and customized solutions.
Mersen's Eldre® bus bar product line has a reputation for outstanding technical expertise and quality thanks to a half-century of designing and manufacturing bus bars. Its capabilities span a broad range from single layer bus bars to multi-layer laminated bus bars, incorporating discrete components into an integrated power package. The Eldre® product line is a leading supplier of laminated bus bars to the alternative energy, computer, power electronics, military, transportation, industrial and contract manufacturing sectors.
An innovative pioneer, Mersen’s Ferraz Shawmut product line of fuse technology has provided state-of-the-art protection for over 129 years. Its many innovations include the widely known and respected Amp-Trap® current-limiting fuse, Amp-Trap 2000® time-delay fuses, Protistor® fuses semiconductor protection, Limitor® high voltage fuse-links, Tri-Onic® current-limiting, time-delay fuses, the ground-breaking SmartSpot® open-fuse indicator technology, and the new HelioProtection® solar power protection fuse line. Today, Ferraz Shawmut continues to be the most trusted fuse brand in electrical protection helping companies around the world improve electrical safety, performance, and reliability.
Mersen's M. Schneider product line has delivered high quality electro-technical products for more than 87 years. A leading international supplier in the field of fuse and bus bar systems, Mersen's range of products includes MULTIFIX® bus bar systems, the NH, D, D0 and cylindrical fuse systems, miniature and high voltage fuse-links. The product portfolio includes the complete NH-fuse-system, fuse links, MULTIBLOC® and MULTIVERT® fuse switch disconnectors, fuse-rails and fuse-bases. Used by public utilities, panel board builders and industry, the M. Schneider product line meets the highest quality requirements, products are acclaimed for their safety and reliability.
Since 1981, Mersen's R-Theta® heatsinks have been protecting semiconductor and power electronic systems making them more efficient, reliable and profitable. Bringing to market revolutionary, patented heatsink technology, R-Theta® air cooled heatsinks features patented "glueless technology" for high performance, high ratio cooling solutions. Its liquid cooled technology offers leading-edge cold plates, press-pack coolers, and embedded pipes. For state-of-the-art phase change cooling, R-Theta® provides stand-alone heat pipe systems. Complete cooling units and systems are also available via the R-Theta® product line.Show less