Bussmann JJS-100 Fast-Acting Current-Limiting Fuse

The Eaton Bussmann Series JJS-100 T-Tron Class T fast-acting fuse provides 100 A of current-limiting protection for 600 VAC industrial power systems, combining rapid fault clearing with a compact cartridge design suitable for installation in tight spaces within control panels and switchgear. With a 200 kA RMS symmetrical interrupt rating, it can safely interrupt large fault currents and protect motor control centers, panelboards, switchboards, transformers, and other critical equipment from catastrophic faults. Constructed as a melamine-tube cartridge fuse with silver-plated copper terminals, the JJS-100 adheres to UL Listed and CSA Certified standards, ensuring reliable performance in harsh industrial environments. Designed for branch circuit and equipment protection across industrial control panels, distribution equipment, motor circuits, feeders, and other industrial electrical power distribution applications, this Class T fast-acting fuse delivers precise protection where high interrupt capacity and rapid clearing are required.