{"product_id":"blue-sea-systems-5191-fuse-block-terminal-30-300a-marine-dc-power-protection","title":"Blue Sea Systems 5191 Fuse Block Terminal (30–300A) – Marine DC Power Protection","description":"\u003cdiv\u003e\n  \u003cp\u003eEngineered for the rigors of life on the water, the Blue Sea Systems 5191 Fuse Block Terminal combines high‑capacity protection with practical, user‑friendly design. It accepts 30–300 A MRBF battery terminal fuses and helps you organize and safeguard multiple circuits across large battery banks or power hungry accessories. Built to withstand salt air, spray, heat, and vibration, the unit uses corrosion‑resistant materials and clear amperage labeling so you can inspect wiring and fuse status at a glance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVoltage max operating: 58 V DC\u003c\/li\u003e\n  \u003cli\u003eAmps max per block: 300 A\u003c\/li\u003e\n  \u003cli\u003eTerminal fuses: 30–300 A MRBF fuses\u003c\/li\u003e\n  \u003cli\u003eTerminal stud size: 5\/16\"-18 (8 mm)\u003c\/li\u003e\n  \u003cli\u003eMounting hole compatibility: accepts common mounting hardware\u003c\/li\u003e\n  \u003cli\u003eWeatherproof and corrosion‑resistant for harsh environments\u003c\/li\u003e\n  \u003cli\u003eInsulating cap prevents accidental shorts\u003c\/li\u003e\n  \u003cli\u003eIgnition protected when used with MRBF fuses\u003c\/li\u003e\n  \u003cli\u003eFuses sold separately\u003c\/li\u003e\n  \u003cli\u003eFit type: Universal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePractical applications\u003c\/h3\u003e\n\u003cp\u003eFor boaters and vehicle enthusiasts, this fuse block provides organized, high‑capacity protection for essential systems. It excels at safeguarding large battery banks and multiple accessories from overcurrent events, while remaining compact enough to fit in tight engine rooms or open cockpit panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDC main distribution and inverter protection in marine or RV setups\u003c\/li\u003e\n  \u003cli\u003eWindlass and bow thruster circuit safeguarding\u003c\/li\u003e\n  \u003cli\u003eMultiple circuit organization within a single compact unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability and maintenance\u003c\/h3\u003e\n\u003cp\u003eDesigned for longevity, the fuse block uses corrosion‑resistant materials and a weatherproof design suitable for exposed locations. An insulating cap helps reduce the risk of shorts during maintenance, and the clear labeling speeds wiring checks and inspections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion‑resistant construction for saltwater environments\u003c\/li\u003e\n  \u003cli\u003eClear amperage labeling aids quick identification\u003c\/li\u003e\n  \u003cli\u003eCompact form factor supports clean, efficient installations\u003c\/li\u003e\n  \u003cli\u003eFlexibility to pair with your preferred MRBF fuse ratings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Fuses are sold separately. The design supports universal fit across a range of boats and vehicles, making it a versatile option for organized, robust power protection.\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: What amperage range does the 5191 fuse block support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Accepts MRBF fuses from 30 to 300 A per block, protecting multiple circuits in marine or vehicle power setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 5191 fuse block designed for harsh environments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it uses corrosion‑resistant materials and weatherproof construction suitable for open‑cockpit boats.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":47464205516974,"sku":"B0019ZBTV4","price":71.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/blue-sea-systems-5191-fuse-block-terminal-front-view.jpg?v=1770296203","url":"https:\/\/handyskook.ca\/products\/blue-sea-systems-5191-fuse-block-terminal-30-300a-marine-dc-power-protection","provider":"HandySkook","version":"1.0","type":"link"}