Littelfuse 1003R1C5.5 is a medium voltage R-rated fuse designed for high-voltage circuit protection in industrial applications. It features a 5500V voltage rating and 100A current rating, with a robust single-barrel construction measuring 3 inches in diameter and weighing 7 lb. The fuse meets industry standards with an 80kA interrupting capacity at 5.5kV and 12-inch clip center spacing. Typical applications include transformer protection, motor circuits, and power distribution systems requiring R-class protection.
Key Features & Specifications
Type: R-rated medium voltage fuse, single-barrel construction
Voltage Rating: 5500V AC
Current Rating: 100A
Dimensions: 3" diameter, 12" clip center spacing
Standards: R-class rated
Applications: Industrial power systems, transformer protection