Ferraz Shawmut - Mersen A480R9R-1HE R-Rated MV Fuse

Mersen R-Rated fuses are current-limiting, high interrupting rating fuses intended for the short circuit protection of medium voltage motors and motor controllers. R-Rated fuses are back-up fuses that have a minimum interrupting rating, and must be coordinated with overload relays in combination motor starters. The motor starter manufacturer generally specifies the R-Rated fuse size. These fuses come with a 3 (size D) or 4 (size E) inch diameter barrels with ferrules and are mounted in spring reinforced clips Features: The Amp-Trap and 9F60 R-Rated fuses are UL Recognized; Ferrule mounting for standard clips and interchangeability with other brands of fuses; Current-limiting for superior equipment protection; Metal embossed catalog number and manufacturing date for lasting identification; On the 4.8kV an optional hookeye mounted in the factory is available; On all other 3\" barrels if a hookeye is required, use the operating eye 9F61AAW612; Blown-fuse indicator to give positive identification of open fuse - Certifications: Amp-Trap: UL File E93367; 9F60: UL File E191980