Littelfuse KLKR-4 - Class CC Fuse 600V/4A (0.41" Dia Single-Barrel)

Littelfuse KLKR-4 is a low-voltage CC-class fuse designed for circuit protection in industrial and commercial electrical systems. It features a 600V AC/DC voltage rating with current ratings tailored for precise overcurrent protection, housed in a compact cylindrical design with a 0.41-inch diameter and single-barrel construction. The fuse meets UL/CSA standards for reliability and safety in demanding environments. Typical applications include motor control centers, power distribution panels, and transformer protection circuits where Class CC performance is required.

Key Features & Specifications

• Type: Class CC low-voltage fuse with ceramic body and silver-element construction
• Voltage Rating: 600V AC/DC
• Current Rating: 4A (specific range varies by model)
• Dimensions: 0.41" diameter x 1.5" length (10.4mm x 38.1mm)
• Standards: UL 248-4, CSA C22.2 No. 248.4
• Applications: Industrial control systems, power distribution, transformer protection
• Class Rating: CC
• Barrels: 1
• Mounting: Clip-mounted
• Interrupting Rating: 200kA at 600V AC