Mersen EP France is a global leader in electrical power and advanced materials, dedicated to enhancing performance and safety in high-stakes industries.
Mersen designs innovative solutions to address client specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical and process industries.
• Mersen EP products
• UL/CSA low voltage fuses
• IEC low voltage fuses and fuse gear
• High speed fuses
• DC protection for EV and battery
• Surge protection
• High and medium voltage fuses and bases
• Power transfer for rail vehicles
• Low voltage switches
• Low voltage special purpose fuses
Mersen’s Protistor® and Amp-Trap® are globally recognized trademarks, representing cutting-edge fuse technology for superior circuit protection.
Mersen fuses offer direct equivalents to products from major industry brands, ensuring compatibility and reliability across various electrical protection applications. Mersen’s fuse solutions are designed to meet the performance standards of:
• Bussmann
• Eaton
• Dorman Smith
• ABB
• Schneider Electric
• Lawson
• Italweber
• Lindner
• Koncar
• DF Electric
• Littelfuse
• MIRO
• OEZ
• Siemens Sitor
• ETI
• Kale Porselen
• Federal
• Jean Muller
• Ormazabal
• Pronutec
• Mesa

Mersen’s Historical Names and Key Acquisitions:
• M. Schneider Electric: Mersen was once part of Schneider Electric’s industrial portfolio.
• GEC Alstom: Contributed to Mersen’s growth in electrical protection and power transfer solutions.
• Carbone Lorraine: Rebranded to Mersen in 2010, known for carbon-based materials and electrical protection.
• Ferraz Shawmut: Enhanced Mersen’s presence in the electrical fuse market.
• Gould Shawmut: Expanded Mersen’s offerings in power electronics and electrical protection.
• Cirprotec, Eldre, Leclanche, Lindner, FTCAP brands are now Mersen.