Littelfuse 45024R2B5.5 is an R-rated medium voltage fuse designed for high-current circuit protection in industrial power systems. It features a 5500V voltage rating and 450A current rating with an 80kA interrupting capacity at 5.5kV for reliable fault protection. The fuse has a robust construction with dual barrels, bolt-type connections, and measures 3 inches in diameter with a 20 lb weight for durable installation. Compliant with R-class standards, this fuse is engineered for medium-voltage applications including motor protection, transformer circuits, and industrial power distribution systems.
Key Features & Specifications
Type: R-rated medium voltage current-limiting fuse
Voltage Rating: 5500V AC
Current Rating: 450A
Dimensions: 3" diameter
Standards: R-class rated
Applications: Industrial power systems, motor protection, transformer circuits