Bussmann KTK-R-2 is a low-voltage, current-limiting fuse designed for branch circuit protection of control circuits, transformers, and small motors. It features a 2A current rating and a 600V AC voltage rating, with a compact 1.5-inch length and 0.41-inch diameter body constructed for reliable performance. This fuse is certified to UL 248-4 and CSA Class 1422-02 standards, offering an interrupting rating of 200,000 amperes, making it suitable for industrial panels and OEM equipment where high-fault current protection is critical.