The KTK-30 is a non-indicating fast-acting supplemental fuse designed to open when exposed to a short circuit or overload condition. The KTK-30 is commonly used in control circuits, lighting circuit protection, and meter circuits. The KTK-30 is constructed from nickel-plated bronze endcaps and melamine tube. The electrical ratings for this fuse are 30 Amps, 600Vac, and an Interrupt rating of 100kAIC at 600 Vac. The fuse is typically installed in an electrical fuse block and is cylindrical with dimensions of 1.5 in X 0.41 in and a weight of 0.18 lb. The country of origin is Mexico. The packaging contains five KTK-30 fuses.