Bussmans MAXI (MAX) Automotive Blade Fuses with 50 Amp Rating (Red) are designed to protect circuits in the wiring harness - usually found under the hood, in a fuse panel, or supplementary panel near the battery and are ideal for use with aftermarket accessories. UL recognized Bussmann FMM fuses meet or exceed OEM and SAE standards and feature an enclosed element for electrical isolation, corrosion resistance and longer service life. Industry standard color-coding indicates amp rating. Sold individually. Its been 100 years since the Bussmann brothers first started producing fuses from the basement of their home. And in that time span, Bussmann has grown from providing fuses for horseless carriages and World War II aircraft, to offering more than 30,000 products. From humble beginnings in St. Louis, Missouri, to a global product and distribution network, the Bussmann name is synonymous with technological innovation. In fact, over the past 100 years, Bussmann products have received more than 3,000 utility and design patents, with more than 350 global active patents. Today, Bussmann products continue to reflect a long-standing tradition of providing fusible circuit protection and electrical safety solutions that help protect equipment and enable reliable, efficient power distribution. And now that Bussmann products are part of Eaton, the industrys top innovators of fuse technology and circuit breakers have united to provide ultimate leadership in circuit protection. Our legacy of developing innovative products and solutions stems from a team of highly talented industry experts. We couldnt have secured our position as a leader in circuit protection without our employees, our customers, and our community.