{"product_id":"blue-sea-systems-5176-40a-battery-terminal-fuse-light-blue-ignition-protected-10-000-aic","title":"Blue Sea Systems 5176 40A Battery Terminal Fuse — light-blue, ignition‑protected, 10,000 AIC","description":"\u003cp\u003e\u003cstrong\u003eThe Blue Sea Systems 5176 is a 40A battery terminal fuse designed to provide ABYC-compliant DC main protection for large battery banks when installed in the correct terminal fuse block.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for marine and mobile power applications, this light-blue 40-amp terminal fuse offers a high interrupt capacity and a visible blown-indicator window. It is ignition-protected for safe use aboard gasoline-powered boats and engineered to meet ABYC requirements for DC main circuit protection when paired with the recommended terminal fuse blocks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fuse protect my large battery bank?\u003c\/h3\u003e\n\u003cp\u003eThe 5176 terminal fuse interrupts fault currents to prevent wiring and component damage in heavy-duty DC systems. With a 10,000 AIC (at 14 VDC) interrupt rating, it can safely clear high short-circuit currents typical of large battery installations when properly mounted in an approved fuse block.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40 amp continuous rating for typical DC main loads\u003c\/li\u003e\n  \u003cli\u003e10,000 AIC at 14 VDC meets ABYC DC main protection guidelines\u003c\/li\u003e\n  \u003cli\u003eClear window offers quick visual verification of a blown fuse\u003c\/li\u003e\n  \u003cli\u003eMust be used only with compatible terminal fuse blocks (PN 5191 or PN 2151)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install the 5176 directly on a battery terminal?\u003c\/h3\u003e\n\u003cp\u003eNo — the 5176 is a terminal fuse and must be mounted in a compatible terminal fuse block rather than clamped directly to a battery post. Using a proper fuse block ensures secure electrical connection, correct mechanical support, and compliance with safety standards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequired fuse blocks: PN 5191 or PN 2151\u003c\/li\u003e\n  \u003cli\u003eAvoid direct battery-terminal mounting to prevent unreliable contacts\u003c\/li\u003e\n  \u003cli\u003eFuse block provides appropriate spacing and insulation for marine use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this fuse safe for gasoline-powered boats and tight spaces?\u003c\/h3\u003e\n\u003cp\u003eThe 5176 is ignition-protected, making it suitable for installation aboard gasoline-powered vessels where spark suppression is necessary. Its compact package dimensions allow installation in confined fuse panels or electrical compartments when paired with the correct block.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIgnition-protected design reduces spark risk during operation\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions: 8.128 cm L x 3.81 cm W x 2.032 cm H for space-conscious installations\u003c\/li\u003e\n  \u003cli\u003eColor-coded light-blue body simplifies amperage identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and inspection steps should I follow?\u003c\/h3\u003e\n\u003cp\u003eRegular inspection helps ensure continued protection: visually check the clear window for a blown element, confirm tight connections at the fuse block, and replace fuses with the exact Blue Sea 5176 40A part when needed. Avoid substituting non-approved fuse types or mounting methods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect clear window for blown condition during routine checks\u003c\/li\u003e\n  \u003cli\u003eVerify secure connections and corrosion-free terminals at the fuse block\u003c\/li\u003e\n  \u003cli\u003eReplace only with the same Blue Sea 5176 40A terminal fuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Blue Sea Systems 5176 40A terminal fuse is intended for boat owners, marine electricians, RV installers, and anyone designing or maintaining large DC battery systems who need ABYC-level DC main circuit protection. It’s especially suited to installations that require high interrupt capacity, ignition protection, and a compact, easily inspected fuse solution — provided it’s used with the recommended terminal fuse blocks for safe, code-compliant operation.\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: Does the 5176 meet ABYC requirements for DC main protection?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 5176 has a 10,000 AIC at 14 VDC interrupt rating that satisfies ABYC requirements when used as the DC main fuse in large battery banks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mount the 5176 directly to the battery terminal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 5176 must be installed in a compatible terminal fuse block (PN 5191 or PN 2151); do not mount it directly to the battery terminal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":67592688763065,"sku":"B0016HTXAY","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/blue-sea-5176-front-profile.jpg?v=1790566999","url":"https:\/\/redleafauto.ca\/products\/blue-sea-systems-5176-40a-battery-terminal-fuse-light-blue-ignition-protected-10-000-aic","provider":"Redleaf Auto","version":"1.0","type":"link"}