Introducing Mersen's Compact Fused Switch

Incorporates switch functionality with the high protection level of a fuse

Welcome to Our Website

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Complete Family of Surge Protective Devices

Global Line of Fuses, Fusegear, and Fuse Systems

Global fuses and fusegear to meet local standards

PV-Battery Connected - Now up to 1500VDC

Mersen offers a full range of DC protection for PV generation connected to Electrical Energy Storage, including 1500VDC gPV string and DC high-speed fuses

Get Your PrimePACK™ Water Cooling Optimized

IsoMAXX offers unsurpassed cooling performance for latest PrimePACK generation, including perfect thermal homogeneity module-to-module and chip-to-chip in a very compact design

Xp Series: The Ultimate DC Protection for Electric Vehicles

Discover Mersen hybrid pyro-fuse, now up to 1000VDC, ultra-low resistance, self-triggered and excellent cycling performance