Home page | Mersen Electrical Power: Fuses, Surge Protective Devices, Cooling & Bus Bars

All locations

Please select your country & language

Your country is not in the list?

Go to our international website:

Mersen EP International Website

Bus Bar Calculator
R-TOOLS MAXX
NEW EES Solutions
New Multibloc® 000
gBat fuse for EES
Surge Protection

Introducing Bus Bar Calculator: Laminated Bus Bar Sizing Tool

Online tool optimizes bus bar designs

Click for more information

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

Click for more information

New protection for batteries

Discover our latest fuses specially designed for Batteries protection

Click here for more information

New Multibloc® Series

New design for easy connection
High technical characteristics
Compact devices for smaller footprint of panels and less expensive enclosures

MULTIBLOC® 000.ST9 MULTIBLOC® 000.RST9 New MULTIBLOC® Series in video !

NH fuses for Electrical energy & Battery storage system

New range for DC line protection in EES applications
gBat fuses available in 1000VDC and 1500VDC

CLICK HERE FOR MORE INFORMATION

Complete Family of Surge Protective Devices

Surge Protection, Lightning Protection, and Power Monitoring

Look for a product

Fewer filter

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

Where to buy

NEWS

News releases

Mersen at Battery Show in Stuttgart November 24, 2021

News releases

EV: Mersen and Autoliv Joint Collaboration April 20, 2021

News releases

NEXT-GEN BATTERY CELLS CONNECTION AND MONITORING FOR E-MOBILITY March 16, 2021

Show more news

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