BK/MDL-1 is a 1A time-delay glass tube fuse designed for circuit protection in various electrical applications. It features a 250Vac voltage rating with an AC interrupting rating of 35A at 10,000A capacity, and a typical DC cold resistance of 0.397O. The fuse has a physical size of 1/4" x 1-1/4" (6.35mm x 31.75mm) with glass tube and nickel-plated brass endcap construction. It is UL Listed and CSA Certified, meeting MIL-STD-202 standards for shock and vibration resistance. This time-delay fuse is ideal for applications requiring protection against temporary inrush currents while providing reliable overcurrent protection.