Our story

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:

• Advanced materials and solutions for high temperatures 
• Anticorrosion and process equipment
• Electrical solutions for motors and generators 
• Safety & reliability for electrical power

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:

• UL/CSA low voltage fuses and fusegear
• IEC low voltage fuses and fusegear
• High speed fuses
• Configured panels
• DC protection for EV and battery
• Bus bars, surge protection
• High and medium voltage fuses and bases
• Power transfer for rail vehicles
• Low voltage switches
• Low voltage special purpose fuses
• Custom products and solutions

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