The Littelfuse 600VAC Class RK-5 Powr-Gard 90A Fuse FLSR90 is a high-quality electrical fuse designed for commercial applications. This blade-type fuse features thermal overload protection and a time-delay/slow-blow operation method, making it suitable for interior use. With a current rating of 90A and a voltage rating of 600V AC, this fuse is made of copper material and offers reliable protection for electrical equipment and supplies. The Littelfuse brand ensures a trusted and durable product that meets industry standards for safety and performance.