MERSEN Launches New Class RK1 Reducer Fuse Series

January 23, 2019

Mersen has announced the launch of the first-to-market Class RK1 Reducer Fuse product series. This innovative product is the latest member of the Class J Reducer Fuse and Class J and R Fuse Reducer product offerings, extending Mersen’s solutions to support the rapidly growing US manufacturing and process industries.

Certified as a Special Purpose UL/CSA Listed Class RK1 fuse, these reduced current rating fuses are designed to fit into the next larger size fuse holders, providing the same high reliability performance, durability, and arc flash mitigation as standard Class RK1 fuses.

Reducer Fuses are ideally suited for start-up or newly expanded manufacturing facilities that are ramping up production and electrical power demand. Upon approaching full capacity, the reduced rating Reducer Fuses can be readily replaced by higher standard rating fuses of the same body size, thus eliminating the need to replace the fuse panel.

Another key benefit of the Class J and RK1 Reducer Fuses is that they are ready to install and replace directly out-of-the-box, minimizing production down time.

The Class RK1 Reducer Fuse series is available immediately, along with the Class J Reducer Fuse and Class R and Class J Fuse Reducer accessories.

For more information about the Mersen Reducer Fuses and Fuse Reducer product offering, please visit the Class RK1 and Class J Reducer Fuse and Fuse Reducer web pages. For more information about Mersen Electrical Power, visit ep.mersen.com.

Related Articles


Latest Articles


Changing Scene

  • Nesco Announces New Sales Agent for Northern Ontario

    Nesco Announces New Sales Agent for Northern Ontario

    January 16, 2025 Nesco is pleased to announce the appointment of Sean Atkinson at Resilient Sales as their sales agent for Northern Ontario, effective January 1st, 2025. “Sean is replacing Steve Wallace, who after decades of providing tireless customer service and sales support is focusing on family and enjoying some well-deserved downtime in retirement,” commented… Read More…

  • ABB and Wieland Electric Partner to Redefine Efficiency in Modular Construction

    ABB and Wieland Electric Partner to Redefine Efficiency in Modular Construction

    January 15, 2025 ABB Electrification’s Smart Buildings Division and Wieland Electric have announced a strategic partnership to revolutionize modular and serial construction with advanced prefabricated electrical installation systems. The collaboration combines Wieland’s innovative connector technology with ABB’s extensive portfolio – including switches, sockets, installation boxes, energy distribution, and smart home solutions – to deliver plug-and-play… Read More…

  • ABB Expands Residential Energy Management Portfolio in North America with Lumin Acquisition

    ABB Expands Residential Energy Management Portfolio in North America with Lumin Acquisition

    January 15, 2025 ABB has announced the acquisition of Lumin, a U.S.-based pioneer and leading provider of responsive energy management systems, to expand its home energy management capabilities in the North American residential sector. The acquisition follows a strategic minority investment by ABB into the company in 2023. Financial terms of the transaction were not… Read More…

  • Mattr Completes Acquisition of AmerCable, Establishing US Wire and Cable Manufacturing Footprint

    Mattr Completes Acquisition of AmerCable, Establishing US Wire and Cable Manufacturing Footprint

    January 10, 2025 Mattr Corp. has announced that it has closed its previously announced acquisition of AmerCable Incorporated [see press release], which now forms part of Mattr’s Connection Technologies reporting segment. Under the terms of the transaction, Mattr has acquired all of the outstanding shares of AmerCable from Nexans USA Inc. for a purchase price… Read More…