The Littelfuse 313/315 Slo-Blo fuse is designed to meet a broad range of application requirements, offering reliable performance and cost-effective circuit protection. Its unique design, indicated by discoloration of the glass body upon opening, simplifies troubleshooting and eliminates time-consuming circuit testing. This fuse provides the same quality performance characteristics as standard 3AG Slo-Blo fuses and is suitable for use in appliances and utilization equipment to provide individual protection for components or internal circuits. It is available in cartridge and axial lead formats with various forming dimensions and is RoHS compliant.