Mersen Introduces Gen2 Class J Fuse Blocks

March 8, 2024

Mersen’s new Gen2 fuse blocks offer market-relevant features at a competitive price to meet our customers’ application and commercial demands for quick and easy multi-pole field assembly. Our Gen2 Open Style Class J Fuse Blocks accommodate Class J fuses ranging from 0-100A, 600V. The Gen2 fuse blocks are available with a choice of screw, pressure plate, and box connectors to fit a wide range of stranded or solid wire. Gen2 fuse blocks are now DIN-rail mountable, more compact than the traditional offering, and feature dovetail nesting.

Mersen’s newly designed dead front covers are transparent to facilitate easy viewing of fuses. Fuse blocks are IP20 rated when paired with the new dead front covers, and also feature a lock-out tag-out feature for safety.

Mersen is a global expert in electrical protection and control for electrical power systems. Mersen designs and markets comprehensive protection for selective power applications in building, industry, and energy. 

Gen2 Approvals & Standards
  • All class J fuse blocks meet the requirements of UL4248 (formerly UL512)
  • UL listed Guide IZLT, File E52283
  • CSA certified class 6225, File 32169
Applications
  • Branch circuits
  • Control panels
  • Load centers
  • Lighting, heating, & general loads

For more information about Mersen’s Gen2 Class J Fuse Blocks, visit the product page. 

Source

Related Articles


Latest Articles


Changing Scene

  • PataBid Raises $2 Million Pre-Seed Round to Modernize Construction Estimating with AI

    PataBid Raises $2 Million Pre-Seed Round to Modernize Construction Estimating with AI

    October 19, 2026 Calgary-based PataBid has raised $2 million in pre-seed funding to transform how contractors estimate complex subtrade construction projects. Led by Graphite Ventures, with participation from Sprout Fund, Bluesky Equities, Inverted Ventures and previous angel investors, the round will deepen PataBid’s AI product development capabilities, expand its supplier partnerships and distribution channels, and… Read More…

  • Rexel Canada Welcomes Rexel USA Agreement to acquire Genuine Cable Group

    Rexel Canada Welcomes Rexel USA Agreement to acquire Genuine Cable Group

    October 19, 2026 “Rexel Canada welcomes Rexel USA agreement to acquire GCG (Genuine Cable Group)—a transformational step that will strengthen our capabilities, expand our reach and support continued growth across Canada, North America and global markets,” Rexel Canada CEO, Jeffrey Moyle announced on LinkedIn. GCG is a leading specialty infrastructure platform providing wire and cable,… Read More…

  • Ontario Announces Additional Funding for Training Seats for In-Demand Careers

    Ontario Announces Additional Funding for Training Seats for In-Demand Careers

    October 19, 2026  The Ontario government has allocated 40,000 new funded seats at publicly assisted colleges and universities to connect more students to good-paying, in-demand careers. This allocation, which is part of a broader $1.7 billion investment to support a total of 70,000 new seats, supports the province’s plan to protect Ontario and build a… Read More…

  • QEII Halifax Infirmary Tower Project Reaches Milestone, Wins Collaboration Award

    QEII Halifax Infirmary Tower Project Reaches Milestone, Wins Collaboration Award

    October 19, 2026 Construction of the new acute care tower at the QEII Halifax Infirmary has reached another milestone, with the Level 8 podium structure now in place. The podium is the lower, wider portion of the building that forms the base of the 14-storey acute care tower. It will house a range of hospital… Read More…