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

15.5kV Bolt-In
STP-50
DQS Series
Gen2 Class J Blocks
FUSE-ion
HP15P/HP15FHP80
MDC
700VAC AJT
Enclosures
ABAT Fuses for EES

Expanded Line of Amp-Trap® 15.5kV E-Rated Bolt-In Transformer Fuses

Now available from 10E-300E

Click for more information

Introducing Mersen STP-50

Mersen's new 50kA DIN-Rail Pluggable SPD, the latest offering in our expanded DIN-rail SPD portfolio.

Click for more information

Introducing DQS Series Fast-Acting DC Fuses

High-Speed Semiconductor Fuses for DC Systems

Click for more information

Mersen's New Open-Style Class J Fuse Blocks

Newly designed fuse blocks feature compact design and new dead front covers

Click for more information

Introducing Mersen FUSE-ion Configurator and Selector Tool

For configuring Fused Coordination Panelboards, Fusible Shunt Trip Disconnects, and Multi-Unit Fusible Shunt Trip Panels

Click for more information

Introducing HP15P Series Fuses and HP15FHP80 Series Fuse Holders

Higher amperage 1500VDC PV fuses and fuse holders

Click for more information

Introducing MDC Series DC Distribution Fuses

Low and high current protection for DC Systems

Click for more information

Mersen 700VAC Class J Time Delay AJT Fuses

Increased operating voltage for 1-600A AJT fuses

Click for more information

Non-Metallic Industrial Enclosures

Housings for all kinds of applications

Click for more information

New ABAT A fuses for batteries

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

Click for more information

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

New products

15.5kV MV Bolt-In Transformer Protection PR Block

Mersen Expands Line of Amp-Trap® 15.5KV E-Rated Bolt-In Transformer Fuses October 27, 2023

New products

Mersen Expands Line of DIN-Rail Mountable SPDS with Surge-Trap® STP-50 Series September 06, 2023

New products

Mersen Introduces MDC Series DC Distribution Fuses February 21, 2023

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