Bussmann FWX-250A is a low-voltage current-limiting fuse designed for protecting electrical circuits and equipment from short-circuit and overload conditions. It features a 250A current rating and a 250V voltage rating, with a high 200kA interrupting capacity at its rated voltage. The fuse is constructed as a single-barrel unit with stud connections, measuring 4.3 in x 1.63 in x 1.62 in and weighing 0.46 lb. It complies with major industry standards, being CE, CSA Certified, and UL Recognized, and is typically applied in industrial power distribution, motor protection, and service entrance equipment.