Littelfuse FLNR200 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial electrical systems. Rated for 250V AC with a 200A current capacity, it features a 200kA interrupting rating at 250V for high-fault protection. The fuse measures 7-1/8 inches in length with a 1.59-inch diameter rejection blade connection, constructed with time-delay characteristics for motor circuit protection. It meets UL 248-12, CSA, and QPL-W-F-1814 standards with CE certification. Typical applications include motor branch circuits, transformers, and feeder protection in commercial/industrial power distribution.