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We are a global partner offering our customers the best solutions thanks to our expertise and in-depth knowledge of their applications.
Mersen has a keen understanding of the unique challenges customers face in each of the markets we serve. We deliver extensive product expertise and unbeatable applications support, enabling our customers to optimize their market performance.
The most current-limiting UL-Class fuse, Mersen’s Class J fuses provide optimal performance, prevent interchangeability with older code fuses, and save valuable panel space.
6SJ - Class J
A4J - Class J - Fast-Acting - 600V
AJT - Class J - Time-delay - 600V
AJT Reducer Fuses - Class J - Time-delay
Class J Fuse Holders - Gen2
Class J Fuseholders - Class J
HSJ - Class J - High-Speed
US3J - Class J, 0-30A
US6J - Class J, 35-60A