{"product_id":"blue-sea-systems-5185-150a-battery-terminal-fuse-10-000-aic-marine-dc-main-protection","title":"Blue Sea Systems 5185 150A Battery Terminal Fuse — 10,000 AIC, Marine DC Main Protection","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea Systems 5185 is a 150-amp battery terminal fuse engineered to provide high-capacity DC main circuit protection for large battery banks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact terminal fuse is built for marine and high-demand DC electrical systems where ABYC-level short-circuit interruption and durable connection hardware are essential. Designed to be installed with the recommended terminal fuse blocks, the 5185 delivers robust fault protection with a high interrupting capacity and is sized for battery-main circuits on large boats, work vehicles, or stationary power setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fuse meet safety standards for large battery banks?\u003c\/h3\u003e\n\u003cp\u003eThe 5185 is rated with a very high interrupting capacity to handle severe fault currents safely at 14 V DC, helping systems comply with ABYC guidance for DC main protection. Its construction and rating make it suitable where large battery banks could produce extremely high short-circuit currents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e150 amp continuous rating for primary battery circuits\u003c\/li\u003e\n  \u003cli\u003e10,000 AIC (at 14 V DC) interrupting capacity\u003c\/li\u003e\n  \u003cli\u003eEngineered to protect against high-energy faults common in large banks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation steps and accessories are required?\u003c\/h3\u003e\n\u003cp\u003eThe 5185 is a terminal-type fuse and is not intended to be mounted directly onto a battery post. To install correctly you must use one of Blue Sea Systems' designated terminal fuse blocks so the fuse is properly supported and insulated.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires Terminal Fuse Block PN 5191 or PN 2151 for mounting\u003c\/li\u003e\n  \u003cli\u003eDo not install the fuse directly on the battery terminal\u003c\/li\u003e\n  \u003cli\u003eEnsure correct torque and secure connections per block instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat physical and electrical specs should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe unit is compact and built for heavy-duty use, with small package dimensions that make it easy to situate within a DC distribution assembly or battery compartment. Its electrical performance emphasizes high fault interruption at typical marine battery voltages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal rating: 150 amps continuous\u003c\/li\u003e\n  \u003cli\u003eInterrupting capacity: 10,000 AIC @ 14 V DC\u003c\/li\u003e\n  \u003cli\u003eCompact packaging roughly 7.62 cm x 3.556 cm x 2.54 cm for easy placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 5185 compare to other battery fuses for marine use?\u003c\/h3\u003e\n\u003cp\u003eCompared with lower-rated fuses, the 5185 provides a much higher AIC value, which matters when battery banks can deliver very large fault currents. Its design pairs with Blue Sea's terminal fuse blocks to create a safe, serviceable DC main protection assembly preferred in professional marine installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher interrupting capacity than typical automotive fuses\u003c\/li\u003e\n  \u003cli\u003eDesigned for boat and large-power installations where ABYC guidance applies\u003c\/li\u003e\n  \u003cli\u003eIntegrates with Blue Sea Systems fuse blocks for code-compliant setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Blue Sea Systems 5185 is intended for boat builders, marine electricians, fleet maintenance teams, and serious DIY installers who need a compact, high-interrupt-capacity fuse for battery-main protection. Choose this fuse when you have large battery banks or high-current DC systems and will install it into the recommended PN 5191 or PN 2151 terminal fuse block to meet best-practice safety and installation requirements.\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: Can I mount the 5185 directly on the battery post?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 5185 must be used with a compatible terminal fuse block (PN 5191 or PN 2151) and not mounted directly to the battery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What interrupting capacity does the 5185 provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The fuse provides 10,000 AIC at 14 V DC, suitable for protecting large battery-bank DC mains.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":48086824976542,"sku":"B001AFVW4C","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/blue-sea-systems-5185-front-view.jpg?v=1785906823","url":"https:\/\/northtrailauto.ca\/products\/blue-sea-systems-5185-150a-battery-terminal-fuse-10-000-aic-marine-dc-main-protection","provider":"North Trail Auto","version":"1.0","type":"link"}