{"product_id":"blue-sea-5065-waterproof-in-line-fuse-holder-ato-atc","title":"Blue Sea 5065 Waterproof In-Line Fuse Holder ATO\/ATC","description":"\u003cp class=\"nvn-hero\"\u003eThe Blue Sea Systems 5065 is a waterproof in-line fuse holder for a single ATO or ATC blade fuse up to 30 amps. It comes pre-wired with 12 AWG pigtails and seals the fuse inside a hinged cover, so you get clean overcurrent protection right at the load, even out where things get wet. Simple, sealed, and marine-built.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eWhen you're wiring up gear on a boat, the last thing you want is a fuse sitting exposed to spray, dust, or a stray wave over the gunwale. The Blue Sea Systems 5065 is a waterproof in-line fuse holder built for exactly that. It takes a single standard ATO or ATC blade fuse, seals it inside a hinged cover, and gives you clean overcurrent protection right at the wire, no panel required. It's a small part, but it's the kind of thing that keeps a circuit alive after a wet season.\u003c\/p\u003e\n\u003cp\u003eHere's how it's built. The holder comes with 12 AWG pigtails already attached, so you're splicing into your run rather than fussing with terminal screws in a tight space. It handles fuses up to 30 amps, which covers the vast majority of accessory circuits you'll run on a small to mid-size boat. Think nav lights, a bilge pump, a livewell pump, a stereo feed, or a single electronics load. The hinged cover snaps over the fuse and protects it from impact, water, and grit, and it flips open in a second when you need to check or swap a fuse dockside.\u003c\/p\u003e\n\u003cp\u003eWe reach for this one a lot on center consoles and trailer boats, where circuits get run to spots that see real weather. Say you're adding a set of courtesy lights or a raw-water washdown pump halfway back in the cockpit. Running a dedicated feed with a 5065 near the load means you're protected right there, and you're not fishing a blown fuse out of a soaked panel later. It's also handy when you're expanding a system and don't have a free slot on your main fuse block. Drop one of these in the line, size the fuse to the load, and you're done. Fuse is sold separately, so grab the amperage you need.\u003c\/p\u003e\n\u003cp\u003eA few install notes from doing plenty of these. Give yourself a drip loop on both wire entries so water tracks down and away instead of following the wire into the ends. That one habit does more for longevity than anything else. Go easy tightening the cap, too. It seals fine with firm hand pressure, and cranking on it can crack the body. If your boat lives on a trailer or you run in chop, a short piece of adhesive-lined heat shrink over each wire entry adds strain relief and keeps things tidy. And a dab of dielectric grease on the fuse contacts every season keeps corrosion from creeping in on boats that see a lot of bilge splash.\u003c\/p\u003e\n\u003cp\u003eIt pairs naturally with a Blue Sea fuse block like the 5025 or 5045 when you want a central point for several circuits and a 5065 out at the loads that sit in the weather. Just know its limits. This is a 30-amp holder for a single circuit, so it's not the part for a windlass, a big inverter, or anything living in the heat of an engine compartment, where you'd want to derate or step up to a heavier holder. For everyday accessory feeds that need to shrug off water, though, it's hard to beat.\u003c\/p\u003e\n\u003cp\u003eOne more thing worth knowing. It takes both ATO and ATC blade fuses, which are the common automotive-style blades you'll find at any parts counter, so replacements are cheap and everywhere. If your install sees heavy vibration, like a transom rigged for an outboard, a locking-style ATC fuse holds a little more securely than a standard blade. And because the whole thing is sealed, it's just as at home tucked behind a console as it is out in the open. That flexibility is a big part of why it's such a go-to for accessory wiring.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eAccepts a single standard ATO or ATC blade fuse, so replacements are cheap and available anywhere\u003c\/li\u003e\n  \u003cli\u003e30A maximum fuse amperage, sized for common marine accessory circuits\u003c\/li\u003e\n  \u003cli\u003ePre-wired with 12 AWG pigtails for a quick in-line splice, no terminal screws\u003c\/li\u003e\n  \u003cli\u003eHinged cover seals the fuse against water, dust, and impact\u003c\/li\u003e\n  \u003cli\u003eWaterproof in-line design mounts right at the load, no panel required\u003c\/li\u003e\n  \u003cli\u003eFlip-open cover makes checking or swapping a fuse a one-second job\u003c\/li\u003e\n  \u003cli\u003eCompact enough to tuck behind a console or run out in the open\u003c\/li\u003e\n  \u003cli\u003ePairs with Blue Sea fuse blocks for circuits that sit in the weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Blue Sea Systems reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat fuse does the 5065 take?\u003c\/summary\u003e\n    \u003cp\u003eA single standard ATO or ATC blade fuse, the common automotive-style blades you'll find at any parts counter. The fuse is sold separately, so pick the amperage that matches your load.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's the maximum fuse rating?\u003c\/summary\u003e\n    \u003cp\u003e30 amps. That covers the vast majority of accessory circuits on a small to mid-size boat, like nav lights, a bilge pump, a livewell pump, or a stereo feed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs a fuse included?\u003c\/summary\u003e\n    \u003cp\u003eNo. The holder ships without a fuse so you can match the exact amperage your circuit needs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow does it connect to my wiring?\u003c\/summary\u003e\n    \u003cp\u003eIt comes pre-wired with 12 AWG pigtails on both ends. You splice it inline with your run, so there are no terminal screws to deal with in a tight space.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it really waterproof, and where can I mount it?\u003c\/summary\u003e\n    \u003cp\u003eYes, the hinged cover seals the fuse against water, dust, and impact. For best results, mount it with a drip loop on both wire entries so water tracks down and away instead of following the wire into the ends.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat kind of circuits is it good for?\u003c\/summary\u003e\n    \u003cp\u003eSingle accessory feeds up to 30 amps, right out at the load. It's a favorite on center consoles and trailer boats for things like courtesy lights, washdown pumps, and electronics runs that see real weather.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use it in the engine compartment?\u003c\/summary\u003e\n    \u003cp\u003eIt's not the best fit for engine-compartment heat. In hot spots you'd want to derate the fuse or step up to a heavier holder. It's built for accessory circuits, not high-heat or high-amp loads like a windlass or a big inverter.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat wire size works best with it?\u003c\/summary\u003e\n    \u003cp\u003eThe 12 AWG pigtails splice cleanly to 10 to 12 AWG tinned marine wire. Heavier gauge like 8 AWG needs a custom splice and can make for a poor connection, so keep it to what the pigtails are sized for.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eMy boat vibrates a lot. Will the fuse stay put?\u003c\/summary\u003e\n    \u003cp\u003eOn high-vibration installs like an outboard transom, a locking-style ATC fuse seats more securely than a standard blade. The sealed cover keeps everything protected either way.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use it alongside a Blue Sea fuse block?\u003c\/summary\u003e\n    \u003cp\u003eAbsolutely. A lot of boaters run a central Blue Sea fuse block such as the 5025 or 5045 for the main circuits, then add a 5065 out at the individual loads that sit in the weather.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eBlue Sea 5065 Waterproof In-Line Fuse Holder ATO\/ATC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eBlue Sea Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e5065\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e632085050658\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFuse Type\u003c\/th\u003e\n\u003ctd\u003eATO\/ATC blade\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaximum Fuse Amperage\u003c\/th\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Leads\u003c\/th\u003e\n\u003ctd\u003e12 AWG pigtails\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWaterproof\u003c\/th\u003e\n\u003ctd\u003eYes, hinged sealed cover\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFuse Included\u003c\/th\u003e\n\u003ctd\u003eNo, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCircuit Type\u003c\/th\u003e\n\u003ctd\u003eSingle in-line fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eIn-line, wire mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.05 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePackage Dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e5 in x 2 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eElectrical | Fuse Blocks \u0026amp; Fuses\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What fuse does the 5065 take?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A single standard ATO or ATC blade fuse, the common automotive-style blades you'll find at any parts counter. The fuse is sold separately, so pick the amperage that matches your load.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's the maximum fuse rating?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"30 amps. That covers the vast majority of accessory circuits on a small to mid-size boat, like nav lights, a bilge pump, a livewell pump, or a stereo feed.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is a fuse included?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The holder ships without a fuse so you can match the exact amperage your circuit needs.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does it connect to my wiring?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It comes pre-wired with 12 AWG pigtails on both ends. You splice it inline with your run, so there are no terminal screws to deal with in a tight space.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it really waterproof, and where can I mount it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, the hinged cover seals the fuse against water, dust, and impact. For best results, mount it with a drip loop on both wire entries so water tracks down and away instead of following the wire into the ends.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What kind of circuits is it good for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Single accessory feeds up to 30 amps, right out at the load. It's a favorite on center consoles and trailer boats for things like courtesy lights, washdown pumps, and electronics runs that see real weather.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use it in the engine compartment?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's not the best fit for engine-compartment heat. In hot spots you'd want to derate the fuse or step up to a heavier holder. It's built for accessory circuits, not high-heat or high-amp loads like a windlass or a big inverter.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What wire size works best with it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The 12 AWG pigtails splice cleanly to 10 to 12 AWG tinned marine wire. Heavier gauge like 8 AWG needs a custom splice and can make for a poor connection, so keep it to what the pigtails are sized for.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"My boat vibrates a lot. Will the fuse stay put?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"On high-vibration installs like an outboard transom, a locking-style ATC fuse seats more securely than a standard blade. The sealed cover keeps everything protected either way.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use it alongside a Blue Sea fuse block?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Absolutely. A lot of boaters run a central Blue Sea fuse block such as the 5025 or 5045 for the main circuits, then add a 5065 out at the individual loads that sit in the weather.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":44925482631261,"sku":"40585","price":9.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/40585XL.jpg?v=1787377407","url":"https:\/\/nvnmarine.com\/products\/blue-sea-5065-waterproof-in-line-fuse-holder-ato-atc","provider":"NVN Marine","version":"1.0","type":"link"}