The Littelfuse 313/315 Series Slo-Blo[®] fuse is designed for a broad range of applications requiring reliable performance and cost-effective circuit protection. This fuse offers a unique design with an 'ID' suffix that instantly identifies itself upon opening through discoloration of the glass body, eliminating guesswork and circuit testing. It's suitable for use in appliances and utilization equipment to provide individual protection for components or internal circuits. The fuse is available with various ampere ratings and voltage ratings, ensuring versatility for different circuit requirements.