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Bus Bar Calculator
RK1
R-TOOLS MAXX
700VAC AJT
Modulostar
ABAT Fuses for EES
Enclosures
MEV50A for EV

Introducing Bus Bar Calculator: Laminated Bus Bar Sizing Tool

Online tool optimizes bus bar designs

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Now Available: Non-Indicating Class RK1 Fuse Series

Latest addition to the RK1 Fuse Product Offering

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Tube-Based Liquid Cooling Simulations with R-TOOLS MAXX, the Next Generation Heat Sink Simulator

Free to use, available 24/7, and easy to register

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Mersen 700VAC Class J Time Delay AJT Fuses

Increased operating voltage for 15-100A AJT fuses

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Modulostar® Fuse Holders Now Available in North America

Simple, Compact, Robust

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New ABAT A fuses for batteries

Discover our latest fuses specially designed for battery protection
→ 1500VDC Rack fuse for Energy Storage Systems

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Non-Metallic Industrial Enclosures

Housings for all kinds of applications

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New MEV50 fuses for Electric Vehicles

Discover our latest addition to our Over Current Protection Devices for 500VDC EV applications

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Markets & Applications

Buildings

Mersen electrical components protect your buildings from the ground up

Electric Vehicles

Energy

Mersen offers a wide range of products and solutions covering all aspects of energy safety and power management.

Industrial

Keeping industry safe with electrical protection products that mitigate arc flash hazards

Infrastructure

Mersen ensures the safe, reliable, and efficient distribution of electrical power throughout facilities and systems

Military

Mersen is registered with International Traffic in Arms Regulations (ITAR)

Semiconductors

Mersen offers innovating protection, cooling and connection solutions to power semiconductor industry critical equipment

Transportation

Integrating protection components and power interconnection solutions for function and performance

Find your closest Mersen Electrical Power Representative

Our worldwide distribution presence, from United States to India, makes it easier for you to find your Mersen Representative.

Where to buy

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NEWS

New products

Mersen Launches Non-Indicating Class RK1 Fuse Series March 30, 2022

News releases

Now Available: Tube-based Liquid Cooling Simulations with R-TOOLS MAXX, The Next Generation Heat Sink Simulator March 15, 2022

News releases

Franklin Empire Block Ontario Supplier of the Year

Mersen Canada Receives Franklin Empire's 2021 Ontario Supplier of the Year Award March 11, 2022

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Case Studies

Case Studies showcase the exciting ways that Mersen has solved customers' problems with a variety of product and technology approaches. Check out Mersen’s library of Case Studies. You may see an answer that may help you!

More case studies

Autonomous Robotics Manufacturer for Online Retailer

close up of grey plug with orange cable plugged in grey EV

Electric Vehicle Manufacturer