Eaton FA1B1 is a medium-voltage current-limiting full-range fuse designed for high-voltage circuit protection in industrial power distribution systems. It provides reliable protection with a voltage rating of 8300V and a current rating of 200A, utilizing a robust NX Switchblade connection for secure installation. The fuse is constructed with a compact form factor measuring 14 in x 2.1 in x 1.4 in (Length/Depth x Height x Width) and a weight of 1 lb, engineered for durability in demanding environments. It complies with relevant industry standards for medium-voltage applications, ensuring safe operation and system integrity. Typical applications include protecting transformers, motors, and feeders in utility and industrial power networks.