The Bullet ECSR 150 Class RK5 Time Delay Fuse is a high-quality electrical fuse designed for interior use. With a maximum amperage of 150A and a voltage range of 551-600V, this D-Type cartridge fuse offers short circuit and overcurrent protection. Made of copper, this time-delay fuse features a tripping characteristic of Type D, providing a reliable and efficient operation method for electrical equipment and supplies. Manufactured in Mexico by the trusted brand Bullet, this current-limiting fuse is suitable for a variety of industrial applications requiring dependable protection and control.