Newburyport,  MA 
United States
  • Booth: 2148

Protect whole house from damaging surges & comply with code

It is estimated that the average home has $15,000 worth of equipment that can be damaged by surges.
From the family room to office and kitchen, the entire electrical system is protected.  Wouldn’t it be nice to know that your investments are safe and protected from lightning strikes or other sources of voltage surges?  Visit Mersen at Booth 2312 to learn more.

Brands: Surge-Trap®, TPMOV

 Press Releases

  • Global Electrical Power and Advanced Materials leader Mersen is pleased to announce non-indicating versions of its popular A2D and A6D Series Class RK1 fuses. With this introduction, the Class RK1 Time Delay fuse series now offers a full range of ampere ratings between 8-600A in both indicating and non-indicating categories. 

    The non-indicating Class RK1 offers same reliability and performance as the globally popular Mersen Class RK1 Time Delay fuse with SmartSpot® indication to customers and applications not requiring similar fuses with indication. Mersen’s new non-indicating Class RK1 Time Delay fuse series satisfies National Electrical Code® requirements for use in Class I Division 2 hazardous locations.

    Another key benefit of the Mersen Non-Indicating Class RK1 Time Delay Fuse series is that they possess the same size, mounting terminals, and ratings as the Mersen SmartSpot Class RK1 Fuses.

    Susan Benson, VP Product Management says, “By adding non-indicating models to our family of Class RK1 fuses, Mersen expands the options available to customers. We are excited to be able to offer our customers both non-indicating and indicating categories that complete our RK1 portfolio.”

    The UL/CSA Listed Mersen Non-Indicating Class RK1 Time Delay Fuse series is readily identifiable by suffixing the letter “N” to the Catalog Number of the equivalent Mersen SmartSpot Class RK1 Time Delay Fuse. (The part numbers of fuses sized 1/10-7A, already available without indication, will not change.) The new non-indicating A2D and A6D Class RK1 fuses are available immediately.

    For more information about the Mersen Non-Indicating Class RK1-TD Fuse product offering, please visit the A2D product page and the A6D product page. For more information about Mersen, visit

  • Mersen is pleased to announce improvements to its AJT series of fuses (15-100 Amp models), enabling an increase in AC operating voltage from 600VAC to 700VAC. This has been done primarily to better accommodate power transmission networks at 585V or 600V, especially common in Northeast Canada and the Midwest US. 

    Mersen’s Class J AJT fuses are compact fuses that offer big protection. The most current-limiting UL-class fuse, Mersen’s AJT series provides optimal performance and saves valuable panel space. Their time-delay characteristic allows for use in a wide range of applications. AJT fuses are available in indicating and non-indicating versions.

    Mersen is the only fuse manufacturer to offer Class J fuses with the 700VAC specification. The fuses have been UL self tested. There will be no change in part numbers or pricing. The new 700VAC specification will be available in 15-100A AJT fuses as of the manufacturing date of February 14, 2022.

    For more information about Mersen, visit

  • Mersen is excited to announce the launch of the Gen2 of its HelioProtection series of HP15M solar fuses. These new fuses have been designed and tested to more stringent standards, but the form factor, electrical performance, and pricing remain the same.

    Mersen’s Gen2 of the HP15M photovoltaic (PV) fuse series is designed specifically to meet the severe temperature and current cycling of a PV system. These 1500VDC rated fuses are designed for low minimum breaking capacity capabilities of 1.35 times the fuse rated current value, which allows for safe circuit interruption under typical low fault current conditions. 

    In addition to the standard ferrule terminal, these fuses are also available with Crimp Cap terminals for in-line applications. The unique wire crimp terminal (CC option) permits solderless wire-to-fuse connection for overmold encapsulation of fuse and wiring. 

    Stock of the popular 12A-32A models is readily available, with stock for 4A-10A available soon. For more information about Mersen’s HP15MxxR 1500V solar fuses, visit the product page. For more information about Mersen, visit

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Sun. Oct. 16 - Tues. Oct. 18, 2022 
Austin Convention Center - Texas

Show Hours:
Sunday, Oct. 16:  11:30am - 5:00pm
Monday, Oct. 17:  11:30am - 4:00pm
Tuesday, Oct. 18:  9:00am - 1:00pm

Future Dates
2023: Philadelphia: Sept. 29 - Oct. 2
2024: San Diego: Sept.28 - Oct. 1
2025: Chicago: Sept. 12-14