Eaton Bussmann KTK-3 is a low-voltage, fast-acting fuse designed for branch circuit and component protection in industrial control panels and equipment. It features a 3A current rating and a 600V AC voltage rating, with a compact 1.5-inch by 0.41-inch body constructed as a single-barrel, ferrule-style fuse. This unit is certified to UL, CSA, and CE standards and offers an interrupting rating of 100,000 amperes at 600V AC for reliable short-circuit protection. Typical applications include safeguarding motor control circuits, transformers, and sensitive electronic devices within industrial machinery.