BK/AGC-4 is a fast-acting glass tube fuse designed for reliable circuit protection in various applications. It features a 250V AC voltage rating with an AC interrupting rating of 200A at 125V and 10000A at 250V. The fuse has a physical size of 1/4" x 1-1/4" (6.3mm x 32mm) with glass tube and nickel-plated brass endcap construction. With a typical DC cold resistance of 0.030 ohms and typical voltage drop of 0.22V, it provides efficient overcurrent protection. This UL Listed fuse meets standard 248-14 and is suitable for applications requiring fast-acting protection with optional axial leads available.