The Bussmann LPS-RK-300SPI Low Peak Fuse is a 300 A indicating, dual‑element, time‑delay cartridge fuse of the RK1 class. It is rated for 600 VAC / 300 VDC with an interrupting rating of 300 kAIC at 600 VAC and 100 kAIC at 300 VDC, and uses a cartridge body designed for RK1 protection schemes. The SPI version provides a permanent indicating feature to show fuse status, enabling quick verification in panel assemblies and power distribution systems.
