{"product_id":"blue-sea-systems-5190-300a-battery-terminal-fuse-silver-compact-terminal-block-protection","title":"Blue Sea Systems 5190 300A Battery Terminal Fuse - Silver compact terminal-block protection","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea Systems 5190 is a 300-amp battery terminal fuse designed to protect electrical systems by fusing at the battery post while keeping wiring neat and serviceable.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact silver terminal-block fuse from Blue Sea Systems provides a robust, high-current protective point directly at the battery. Built as a terminal block, it simplifies overcurrent protection for marine, automotive, and off-grid battery setups where space is limited and reliability matters. The 5190’s construction is intended to be mounted on the battery terminal, offering a single, visible fuse location that is easy to inspect and replace when needed.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does the Blue Sea 5190 300A terminal fuse protect?\u003c\/h3\u003e\n\u003cp\u003eThe 5190 acts as a high-current safety device at the battery connection, interrupting excessive current before it can damage wiring or connected equipment. It centralizes protection at the supply source so downstream circuits are safeguarded by one accessible fuse point.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated 300 amps to handle heavy loads and charging currents\u003c\/li\u003e\n  \u003cli\u003eProtects main feed wiring and multiple downstream circuits\u003c\/li\u003e\n  \u003cli\u003eReduces risk of overheating and wiring damage at the battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the 5190 on a battery terminal?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: the block mounts directly at the battery post and secures the main feed and fuse carrier. It requires basic tools and common battery hardware practices—tighten to proper torque and ensure good metal-to-metal contact for reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMount on the battery terminal using provided or equivalent hardware\u003c\/li\u003e\n  \u003cli\u003ePlace main positive feed in the terminal block and fit the 300A fuse\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs and corrosion-prevention best practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my boat, car, or RV power system?\u003c\/h3\u003e\n\u003cp\u003eThe 5190 is intended for use in marine, automotive, RV, and stationary battery systems where a high-current terminal fuse is required. Check battery post configuration and available space; the compact package is designed to suit tight installations commonly found on battery trays and engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with systems needing a 300A main fuse\u003c\/li\u003e\n  \u003cli\u003eWorks well where a single centralized fuse at the battery is preferred\u003c\/li\u003e\n  \u003cli\u003eCompact footprint fits many battery terminal layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specs and build qualities of the product?\u003c\/h3\u003e\n\u003cp\u003eThe 5190 is delivered as a terminal block assembly with a silver finish and modest dimensions that suit constrained spaces. It’s lightweight and packaged to minimize bulk, making it easy to handle during installation and maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: approximately 4.015 x 4.015 x 3.26 inches\u003c\/li\u003e\n  \u003cli\u003ePackage weight: about 0.13 pounds; quantity: 1 per package\u003c\/li\u003e\n  \u003cli\u003eProduct type: terminal block designed for battery terminal mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Blue Sea Systems 5190 300A terminal fuse is aimed at installers, boat owners, RV enthusiasts, and vehicle technicians who need a dependable, space-efficient main battery fuse. It’s a practical choice when you want a single, clearly accessible fuse location at the battery post for straightforward protection of high-current systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 5190 suitable for marine battery installations?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 5190 is designed for marine and other battery systems needing a 300A main terminal fuse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the package dimensions and weight?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Package measures about 4.015 x 4.015 x 3.26 inches and weighs roughly 0.13 pounds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48086825009310,"sku":"B001AFZL9O","price":29.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/blue-sea-5190-front-view.jpg?v=1785906823","url":"https:\/\/northtrailauto.ca\/products\/blue-sea-systems-5190-300a-battery-terminal-fuse-silver-compact-terminal-block-protection","provider":"North Trail Auto","version":"1.0","type":"link"}