Littelfuse 1505R1C5.5 is a medium voltage R-rated current-limiting fuse designed for high-voltage circuit protection in industrial power systems. It features a 5500V AC voltage rating and 150A current rating with an 80kA interrupting capacity at 5.5kV, housed in a durable single-barrel construction measuring 3" in diameter with 12" clip center spacing. The fuse meets R-class specifications for reliable short-circuit protection in demanding environments. Typical applications include motor starters, transformers, and capacitor banks in medium-voltage distribution systems.
Key Features & Specifications
Type: R-rated current-limiting medium voltage fuse
Voltage Rating: 5500V AC
Current Rating: 150A
Dimensions: 3" diameter, 12" clip center
Standards: R-class rated
Applications: Industrial power systems, motor protection