Littelfuse KLPC400 - RK1 Fuse 400A (300kA@600V Interrupt Rating)

Littelfuse KLPC400 is a low-voltage RK1 class fuse designed for high-current circuit protection in industrial applications. It features a 600V AC/DC voltage rating and 400A current rating with a 300kA interrupting capacity at 600V for reliable fault protection. The bolt-in fuse has a compact 0.81-inch diameter barrel construction with 6.75-inch clip centers, weighing 2 lb for robust yet space-efficient installation. Compliant with industry standards for RK1 fuses, it provides time-delay characteristics for motor circuit protection while preventing nuisance tripping. Typical applications include industrial control panels, motor starters, and power distribution equipment requiring high interrupting capacity.

Key Features & Specifications

• Type: RK1 time-delay fuse with bolt-in connection
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Dimensions: 0.81" diameter barrel, 6.75" clip centers
• Standards: RK1 class rated
• Applications: Industrial motor circuits, power distribution
• AIC rating: 300kA@600V
• Connection: Bolt-in
• Barrels: 1
• Weight: 2 lb
• Class Rating: RK1

Product Identification

• UPC: 079458295047