{"product_id":"blue-sea-systems-5177-battery-terminal-fuse-50-amp-blue-sea","title":"Blue Sea Systems 5177 Battery Terminal Fuse 50-Amp – Blue\/Sea","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eThe Blue Sea Systems 5177 Battery Terminal Fuse is a compact, marine-grade DC protection accessory designed for large battery banks on boats and fishing vessels. Its blue housing signals readiness for deck installations, while the precision terminals keep wiring tidy without crowding nearby electronics. This fuse is built to support reliable main circuit protection in demanding marine environments, and it integrates smoothly into well-planned electrical layouts.\u003c\/p\u003e\n  \n  \u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHigh interrupt capacity: 10,000 AIC at 14V DC helps guard main circuits from faults in sizeable battery banks.\u003c\/li\u003e\n    \u003cli\u003e50-amp rating provides an explicit protection threshold for common marine electrical configurations.\u003c\/li\u003e\n    \u003cli\u003eRequires Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal.\u003c\/li\u003e\n    \u003cli\u003eCompact dimensions and marine-grade construction support installation in tight spaces aboard boats or fishing craft.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eDesign, build, and durability\u003c\/h3\u003e\n  \u003cp\u003eEngineered for salt spray and vibration in marine settings, the fuse combines a sturdy terminal interface with a weather-and-corrosion resistant housing. The result is a compact component that stays reliable under typical boatboard conditions, while preserving a neat, organized battery area.\u003c\/p\u003e\n\n  \u003ch3\u003eHow it fits into your marine electrical system\u003c\/h3\u003e\n  \u003cp\u003eDesigned to work with compatible fuse blocks, this terminal fuse serves as a protective link between the battery cluster and downstream circuits. It suits scenarios where a centralized, clearly rated main fuse is preferred near the battery bank, enabling straightforward ABYC-aligned configurations through compatible hardware.\u003c\/p\u003e\n\n  \u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOn coastal fishing boats, it sits near the battery bank to help isolate faults before equipment power reaches critical devices.\u003c\/li\u003e\n    \u003cli\u003eIn recreational cruisers, paired with fuse blocks PN 5191 or PN 2151, it creates a tidy, maintainable main protection point near the power source.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePair with Terminal Fuse Blocks PN 5191 or PN 2151 for proper mounting and access.\u003c\/li\u003e\n    \u003cli\u003eAvoid mounting directly to the battery terminal to ensure reliable contact and serviceability.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eNotes: This accessory supports marine electrical configurations and should be installed following applicable standards. Its compact form and distinctive blue finish help keep the battery area organized while providing essential protection where you need it most.\u003c\/p\u003e\n\u003c\/div\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: What is the Blue Sea Systems 5177 Battery Terminal Fuse used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It offers DC main circuit protection for large battery banks (up to 50A) when paired with compatible fuse blocks, aligning with ABYC guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should this fuse be installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Do not mount directly to the battery terminal; use Terminal Fuse Blocks PN 5191 or PN 2151 for proper installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":42465591459925,"sku":"B0016HX6DY","price":29.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/blue-sea-systems-5177-battery-terminal-fuse-50a-blue.jpg?v=1778013303","url":"https:\/\/plentytorque.co.uk\/products\/blue-sea-systems-5177-battery-terminal-fuse-50-amp-blue-sea","provider":"PlentyTorque","version":"1.0","type":"link"}