MDL-3-R is a 3A time-delay glass tube fuse designed for overcurrent protection in electrical circuits. It features a 250Vac voltage rating with AC interrupting ratings of 100A at 250Vac and 10000A at 125Vac. The fuse has a physical size of ¼ x 1¼ inches (6.4 x 31.7mm) with glass tube and nickel-plated brass endcap construction. Key electrical characteristics include a typical DC cold resistance of 0.057O, typical melting I²t of 67.5 A²sec, and typical voltage drop of 0.345V. This UL Listed fuse meets standard 248-14 and is RoHS compliant, making it suitable for applications requiring reliable time-delay protection with optional axial leads available.