Eaton Bussmann KTN-R-250 is a low-voltage, time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It features a 250V AC rating and a 250A current rating, providing high interrupting capacity up to 200kA. The fuse is constructed as a single-barrel, RK1 class device with a diameter of 2.06 inches and a length of 8.5 inches, weighing 1.94 lb. It is manufactured in Mexico to applicable industry standards for reliable overcurrent protection in motor control centers, panelboards, and switchgear.