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)
  • Littelfuse, Inc.

Products by Mersen (formerly Ferraz Shawmut)
  • Amp-Trap 2000® Fuses

    For Type 2, no damage circuit protection in all the configurations you need. By opening in less than 1/4 cycle under short circuit conditions, Amp-trap 2000® fuses current limit enough to prevent undue downstream damage — and therefore comply with the extra-stringent IEC, Type-2 standard. In... Read more
  • 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