Mersen (formerly Ferraz Shawmut)

374 Merrimac Street
Newburyport, MA 01950-1930

About Mersen (formerly Ferraz Shawmut)

Mersen is an international company manufacturing the widest range of circuit protection solutions in the electrical industry. Drawing on a century of experience, and an ongoing commitment to critical research in electrical safety, it provides industrial, commercial, and OEM customers with innovative products and technical support teams to increase effectiveness, simplify applications, and enhance productivity.

Mersen offers a complete line of current-limiting fuses and accessories and prides itself on delivering innovative, problem-solving products like Amp-Trap 2000® fuses, Surge-Trap® Surge Protective Devices, the Thermally Protected Metal Oxide Varistor (TPMOV®), the SmartSpot® open-fuse indicator, and UltraSafe™ fuse holders.

Check out its latest Protection Intelligence Quotient (P.IQ) Quiz and find out how much you know about the hazards that can harm people and equipment. Visit http://ep-us.mersen.com/PIQ/ and enter to win a prize.

Competitors of Mersen (formerly Ferraz Shawmut)

Timtronics

Timtronics

Timtronics founded in 2003 is an ISO 9001:2015 certified manufacturer and formulator of the most Advanced Thermal Interface Materials. Timtronics is a global leader in Non Silicone (Silicone Free) thermal interface materials. We partner with O.E.M. companies to develop high performance thermal... Read More

Flex-Core Div.

Our technology allows us to produce reliable, state-of-the-art products, to fit our customer's individual needs. We have built our reputation on commitment to quality products and customer service. Products Include: Split-Core Current Transformers, Split-Core Clamp-On Current Transformers,... Read More

BlockMaster Electronics Inc.

BlockMaster Electronics is a manufacturing company for terminal blocks from 1 amp to 380 amps up to 600 volts. Over 9,500 styles, including PCB blocks (up to 115 amps), Panel, Feed Through, PCB Screw Terminals and Power Distribution types. BlockMaster's Value-added Center provides the ability to... Read More

Products by Mersen (formerly Ferraz Shawmut)

By Mersen (formerly Ferraz Shawmut)

The Surge-Trap® Pluggable SPD provides advanced overvoltage protection by utilizing Mersen's (formerly Ferraz Shawmut) patented TPMOV design, which does not require fuses, a fuse holder or additional wiring in meeting the UL 1449 Third Edition standards thus providing substantial cost savings... Read more »

By Mersen (formerly Ferraz Shawmut)

Tri-Onic® SmartSpot® TR and TRS fuses provide an optional visual open fuse indicator. With advanced material technology added to the existing product line the TR and TRS current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers, service entrance... Read more »

By Mersen (formerly Ferraz Shawmut)

A4J Class J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability Read more »

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