SIDE-BY-SIDE DATA
Specification Comparison
SpecificationE100S- [40-2000A]FWJType—High-Speed FuseCurrent—2000AVoltage—1000V ACBreaking capacity—100kA RMS Sym.Utilization class—aRFuse speed—Fast ActingPackage / dimensions—North American StyleMounting—Stud MountApprovals—UL Recognized|CE|IEC 60269-4

![Bussmann E100S- [40-2000A] vs Bussmann FWJ reference](https://fusestock.com/wp-content/uploads/2026/09/eaton-family-cover.jpg)