The fuses in a battery pack protect the battery and the other electrical components against high currents. There are special off-the-shelf components similar to 12V starter battery fuses. However, EV fuses are rated for high voltage and traction currents. The following is a list of EV fuse manufacturers. Fuses are specified alongside the pack’s other HV protection components — see also the busbar manufacturers and contactor manufacturers lists.
Adler
Adler is a relatively new company established in 2014. The company produces fuses for EVs.
Company URL: http://www.adlerelectric.com/adler/products/list-177-1.html
Eaton-Bussmann
Eaton is a power management company that has been in business for more than 100 years. Eaton acquired Cooper Bussmann in 2012 as an electrical equipment company. Eaton manufactures a wide range of EV fuses.
Company URL: www.eaton.com
Jonver Electronics
Make HV electrical components for electrification: harnesses, fuses, contactors, PCB’s and busbars.
Company URL: http://www.jonver.cn/productlist.aspx?pid=2
PEC
Pacific Engineering Corporation (PEC) is an electric component supplier since 1961. The company has started to sell EV fuses in 2008. PEC has a great EV fuse product portfolio and passed a cumulative 50 billion automotive fuses shipped in April 2021, according to PEC.
Company URL: https://www.pecj.co.jp/en/fuse/
SOC
SOC Corporation was established in 1958 and specialized in fuses. SOC provides different fuses for the EV market.
Company URL: https://www.socfuse.com/technical-info-data/ev_fuse/
Mersen
Mersen is an electrical component and advanced materials supplier. The company was established as Carbone Lorraine in 1891. Carbone Lorraine acquired the fuse manufacturer Ferraz in 1985, then added Gould-Shawmut’s electrical protection division in 1999 to form the Ferraz Shawmut business; the group was renamed Mersen in 2010, per the company’s own history. Mersen provides a wide range of EV fuse products besides other EV components and assemblies.
Company URL: https://ep-us.mersen.com/
See also: Fuses