Littelfuse KLKR004 - Class CC Fast-Acting Fuse 4A 600V (200kA AIC)

Littelfuse KLKR004 is a Class CC dual-element fast-acting fuse designed for circuit protection in low-voltage applications. It features a 600V AC/DC voltage rating with a 4A current rating and a 200kA interrupting capacity, housed in a compact 1-1/2-inch ferrule-mounted package with a 0.41-inch diameter. The time-delay design provides reliable overload protection while meeting UL 248-4, CSA, CE, and RoHS standards. Typical applications include industrial control panels, motor circuits, and transformer protection where high-performance fault isolation is required.

Key Features & Specifications

• Type: Class CC dual-element fast-acting fuse with time-delay characteristic
• Voltage Rating: 600V AC/DC
• Current Rating: 4A
• Dimensions: 1-1/2 in length, 0.41 in diameter
• Standards: UL 248-4, CSA Certified, CE, RoHS compliant
• Applications: Industrial controls, motor protection, transformers
• Connection: Ferrule
• Barrels: 1
• Velocity: TD (Time Delay)
• AIC Rating: 200kA@600V
• Class Rating: CC
• Weight: 13.62 lb

Product Identification

• UPC: 079458260533
• GTIN: 00079458260533