The BK/AGX-1 is a fast-acting glass tube fuse rated at 1 ampere, featuring a 1/4" x 1" (6.3 x 25.4 mm) physical size with glass tube and nickel-plated brass endcap construction. It is rated for 250 Vac with an interrupting rating of 35 amps at 250 Vac and a typical DC cold resistance of 0.111 to 0.150 ohms. The fuse meets UL standard 248-14 and is cULus approved, making it suitable for instruments, electronic circuits, and small appliance applications. Its fast-acting characteristics provide reliable circuit protection with minimal response time, ensuring equipment safety and preventing damage from overcurrent conditions.