Littelfuse KLLU-1000 - Medium Voltage Fuse 1000V AC (Class L Current-Limiting)

Littelfuse KLLU-1000 is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. It features a 1000V AC rating with Class L current-limiting performance, ensuring rapid fault interruption to protect downstream equipment. The fuse has a robust 2.38-inch diameter single-barrel construction with silver-sand elements for reliable arc quenching. It meets IEEE C37.46 standards for medium-voltage fuses and is commonly used in motor starters, transformers, and feeder circuits.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse with silver-sand elements
• Voltage Rating: 1000V AC
• Class Rating: L
• Diameter: 2.38 inches (60.45 mm)
• Barrels: 1
• Standards: IEEE C37.46 compliant
• Applications: Industrial motor protection, transformer circuits, feeder protection

Product Identification

• UPC: 079458271058