Mersen (formerly Ferraz Shawmut)

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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)
  • Sensata Technologies Inc

    Magnetiv Hydraulic Circuit breakers, Thermal circuit breakers, GFCI, 22.5MM switches
  • Vertiv

    Formerly the Network Power business of Emerson, we’ve brought together the most trusted and experienced names in critical infrastructure. Our portfolio spans power, thermal and infrastructure management products, software and solutions, and is complemented by a network of nearly 250 service...
  • SimScale

Products by Mersen (formerly Ferraz Shawmut)
  • Surge-Trap Pluggable SPD

    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
  • Class RK5 - Time Delay - TR/TRS

    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
  • Class J - Fast Acting - A4J

    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