The FN 380-4 is a current-limiting filter manufactured by Schaffner, a leading manufacturer of filters, EMI/EMC components, power supplies, and power quality solutions for industrial, commercial, and home use. The FN 380-4 is part of Schaffner's EMV8 modular filter series and provides reliable protection from surges and overcurrents. It is rated for 16A and can handle up to three phases. This filter is suitable for installation in cabinets, sub-distribution boards, motor control centers, and other enclosed installations. It also features a mechanical locking system which allows for easy installation and removal.