{"product_id":"bojack-300a-marine-battery-fuse-holder-58v-dc-ip66-waterproof-stainless-studs-ceramic-insulation","title":"BOJACK 300A Marine Battery Fuse Holder 58V DC IP66 Waterproof, Stainless Studs \u0026 Ceramic Insulation","description":"\u003cp\u003e\u003cstrong\u003eBOJACK 300A Marine Rated Battery Fuse 58V DC Max IP66 Waterproof Fuse Holder is a compact, marine-grade terminal fuse block that protects high-current DC circuits up to 58V while resisting water and dust.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis heavy-duty fuse holder is engineered for boat, RV, and off-grid DC systems where space is limited but reliable high-current protection is required. Constructed from heat-resistant thermoplastic with stainless steel studs and ceramic insulation, it accepts a 300A MRBF-type fuse and includes a waterproof cap to help prevent shorts and environmental damage. The design focuses on durability, electrical conductivity, and easy installation on battery terminals or distribution blocks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fuse holder protect high-current DC systems?\u003c\/h3\u003e\n\u003cp\u003eThe BOJACK fuse holder interrupts excessive current flow using a 300A MRBF fuse element rated for up to 58V DC. When current exceeds the fuse rating, the element melts and opens the circuit, helping prevent wiring damage and component failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes one 300A MRBF fuse made from nickel-plated copper alloy for reliable conduction.\u003c\/li\u003e\n  \u003cli\u003eCeramic insulation and PES clear housing reduce risk of arcing and withstand heat.\u003c\/li\u003e\n  \u003cli\u003eStainless steel studs and nuts maintain strong electrical contact and resist corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes it suitable for marine and outdoor environments?\u003c\/h3\u003e\n\u003cp\u003eThe holder is built to resist the challenges of wet and dusty environments with an IP66 protection rating and a waterproof cap that seals the fuse assembly. Materials are selected to tolerate temperature variation and salt air without rapid degradation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP66-rated enclosure resists heavy splashing and dust ingress for rugged outdoor use.\u003c\/li\u003e\n  \u003cli\u003eWaterproof red insulating cap prevents accidental shorts and shields the terminal.\u003c\/li\u003e\n  \u003cli\u003ePA66 thermoplastic body and stainless steel hardware resist corrosion in marine settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what mounting options are there?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with DC battery systems; the holder mounts using an M10 (3\/8\") mounting hole and connects with M8 (5\/16\") studs. The compact footprint lets you place it near inverters, bow thrusters, or battery banks where space is tight.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStud size: M8 (5\/16\") for secure cable lugs; mounting hole: M10 (3\/8\") for panel attachment.\u003c\/li\u003e\n  \u003cli\u003ePackage includes washer, lock washer, hex nut, and insulating cap for quick setup.\u003c\/li\u003e\n  \u003cli\u003eCompact form factor fits DC mains, inverter leads, motorhome and marine circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and specifications ensure reliable conductivity?\u003c\/h3\u003e\n\u003cp\u003eConductivity and thermal performance are prioritized with nickel-plated copper alloy fuse elements and stainless steel studs. Ceramic insulation and a PES fuse housing help contain heat and reduce electrical leakage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFuse material: nickel-plated copper alloy, 2.5mm thickness, silver finish for low resistance.\u003c\/li\u003e\n  \u003cli\u003eBody material: PA66-RG301 thermoplastic; studs: stainless steel for durability.\u003c\/li\u003e\n  \u003cli\u003eFuse housing: clear PES plastic; insulation: ceramic for thermal stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The BOJACK 300A marine-rated fuse holder is intended for boat owners, RV enthusiasts, electricians, and technicians who need dependable, high-current DC protection in exposed or compact installations. It’s a practical choice for protecting inverters, thrusters, hoists, or any 12–48V (up to 58V) DC circuits where a robust, water-resistant fuse block and clear visual access to the fuse are priorities. Select the appropriate amperage when ordering, and note that each unit ships with one MRBF fuse included.\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 voltage and current does this fuse holder support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports up to 58V DC and ships with a 300A MRBF fuse; choose other amperages when available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the fuse holder waterproof for marine use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit is IP66-rated and includes a waterproof cap to keep out water and dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BOJACK","offers":[{"title":"Default Title","offer_id":67592725561529,"sku":"B0CHJQ4S9S","price":56.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/bojack-fuse-holder-front-view.jpg?v=1790567178","url":"https:\/\/redleafauto.ca\/products\/bojack-300a-marine-battery-fuse-holder-58v-dc-ip66-waterproof-stainless-studs-ceramic-insulation","provider":"Redleaf Auto","version":"1.0","type":"link"}