Mersen 700VAC Class J Time Delay AJT Fuses

February 11, 2022

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 AJT fuses, visit the AJT fuse web page

Related Articles


Latest Articles


Changing Scene

  • CAF-FCA Welcomes Federal Apprenticeship Investments, Urges Focus on Implementation

    CAF-FCA Welcomes Federal Apprenticeship Investments, Urges Focus on Implementation

    May 1, 2026 CAF-FCA welcomes the federal government’s strong focus on skilled trades in the 2026 Spring Economic Update, including new investments in apprenticeship pathways, financial supports, and employer incentives. These measures reflect long standing priorities advanced by employers and partners across the country. The Canadian Apprenticeship Forum (CAF-FCA) welcomes the Government of Canada’s renewed Read More…

  • ECABC Announces 2026 Hall of Fame Inductees

    ECABC Announces 2026 Hall of Fame Inductees

    April 30, 2026 ECABC is proud to announce that Bill Strain and Rob Tate will be inducted into the ECABC Electrical Hall of Fame this June. Bill and Rob have devoted their careers to the electrical contracting industry in British Columbia. Induction into the Electrical Hall of Fame is the highest honour the Association can Read More…

  • Nexans Initiates Copper Mark Recertification for Montreal Site

    Nexans Initiates Copper Mark Recertification for Montreal Site

    April 27, 2026 Nexans Canada Inc. has initiated the Copper Mark recertification process for its site located at 460 Durocher Avenue in Montreal. As part of this process, an independent external assessment of the site is scheduled for April 22–24, 2026. Copper Mark is an independent assurance framework designed to assess the responsible practices of industrial sites against recognized Read More…

  • Fort Frances Memorial Sports Centre Adding Solar as Part of GICB Program

    Fort Frances Memorial Sports Centre Adding Solar as Part of GICB Program

    April 27, 2026 The Fort Frances Memorial Sports Centre will generate solar energy following an investment of $589,762 from the federal government through the Green and Inclusive Community Buildings (GICB) program. This funding will reduce greenhouse gas emissions and annual electricity costs for the facility. A rooftop solar generation system will convert solar energy into Read More…