The Littelfuse FLSR 100 Amp Class RK5 600VAC Time Delay Fuse Powr-Gard is a high-quality electrical fuse designed for AC current type applications. Made in the United States, this product is suitable for use in a variety of electrical circuits with a current range of 1-10 circuits. With its reliable brand reputation and specific product attributes, this time delay fuse provides protection and reliability for electrical equipment and systems.