Bussmann 60A FRN-R Cartridge Heavy-Duty Time Delay Cartridge Fuse (2-Pack)Heavy duty time delay FRN R easyID cartridge fuse makes it easy to locate the open fuse when the power goes out. The separate overload and short circuit elements of the Fusetron fuse allow harmless, temporary overloads to pass while reacting quickly to short circuit current levels. UL (Underwriter's Laboratories) listed Class RK5, ferrule ends. 250V. %search_data%BP FRNR 60ID