Littelfuse 30055-20-BP Type I Auto-Reset Circuit Breaker - 20 Amp 12V DC

Littelfuse

<h3>Littelfuse: World Leader in Circuit Protection</h3><p><strong>Littelfuse</strong> has earned its place as one of the most trusted names in electrical engineering, and nowhere is that reputation more evident than in the automotive world. Littelfuse is the world's leading supplier of circuit protection products for the electronics, automotive, and electrical industries. From daily drivers to heavy-duty commercial fleets, the brand's components quietly safeguard every circuit in the vehicle — often going unnoticed until the moment they matter most.</p><h3>A Portfolio Built for Every Vehicle Electrical Need</h3><p>Littelfuse's automotive catalog is remarkably broad. The company's automotive segment covers circuit protection, power control, and sensing technologies for passenger cars, heavy-duty trucks, and off-road vehicles, with products ranging from blade fuses and battery cable protectors to high-voltage fuses, fuse holders, switches, and high-power relays. Whether you're protecting a compact car's infotainment system or the power distribution center of a diesel semi, Littelfuse likely has a solution engineered for that exact environment.</p><p>At the core of Littelfuse's automotive lineup are their <a href="/1650-littelfuse-fuse-2676">Fuses</a> — the backbone of vehicle circuit protection. Littelfuse fuses are engineered to deliver dependable overcurrent protection for electrical and electronic systems, designed to interrupt excessive current flow quickly and accurately to help prevent damage to sensitive components, wiring, and equipment. For broader automotive and commercial vehicle applications, their <a href="/1650-littelfuse-fuses-200461">Fuses</a> category expands the selection across different form factors and amp ratings. In automotive and transportation applications, Littelfuse fuses are widely used to protect vehicle wiring, electronic control units, and onboard electrical systems, performing reliably under harsh conditions such as vibration, temperature extremes, and continuous operation.</p><p>Beyond individual fuses, Littelfuse makes it easy to be prepared anywhere with their <a href="/1650-littelfuse-fuse-kit-10140">Fuse Kits</a>. Littelfuse Emergency Fuse Kits are ideal for the glove box or trunk, offering instant protection in the garage or on the road, and contain the most popular amperages for specific vehicle brands. For professional installers and fleet managers, Littelfuse Commercial Assortment Packs are designed for the professional installer who needs a larger quantity and variety of fuses at the point of installation, all packaged in plastic compartmentalized storage containers.</p><p>Organizing and protecting those fuses is equally important, which is why Littelfuse's <a href="/1650-littelfuse-fuse-blocks-200458">Fuse Blocks</a> are a staple of both OEM and aftermarket electrical builds. Designed for primary power distribution, the FLEC Series Flexible Electrical Center accommodates circuit protection components in a compact, sealed footprint — ideal for commercial vehicles where exposure to the elements is a constant concern.</p><p>Rounding out the automotive electrical picture are Littelfuse's <a href="/1650-littelfuse-starter-motor-control-relay-3812">Starter Motor Control Relays</a>. Commercial vehicle products from Littelfuse include fuses, switches, relays, and power distribution modules for the commercial vehicle industry. These relays are built to handle the high-current demands of starter circuits, ensuring reliable engine starts in everything from passenger cars to agricultural and construction equipment.</p><h3>Innovation Backed by Global Engineering</h3><p>In addition to its broad circuit protection portfolio, Littelfuse offers a comprehensive line of highly reliable electromechanical and electronic switch and control devices for commercial and specialty vehicles, as well as protection relays and power distribution centers for the safe control and distribution of electricity. Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles, and industrial equipment. For anyone serious about vehicle electrical integrity, Littelfuse is a brand that delivers confidence backed by decades of engineering excellence.</p>