{"product_id":"sea-dog-sd-17-150a-48v-dc-circuit-breaker","title":"Sea-Dog SD-17 150A 48V DC Circuit Breaker","description":"\u003cp class=\"nvn-hero\"\u003eThe Sea-Dog SD-17 is a 150-amp resettable thermal circuit breaker built for 48-volt DC systems on the water. It doubles as a manual on-off switch, carries an IP67 waterproof rating, and meets the marine standards that matter. A clean way to protect a high-current run and kill power at the same point.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eIf you're running a 48-volt system on your boat, you need protection sized for it, and the SD-17 handles that job at 150 amps. This is a thermal circuit breaker, so when it sees a sustained overload it trips on heat, then resets once things cool down and you flip it back on. No fuses to carry. No scrambling for a spare at the ramp. It's the kind of part you wire in once and mostly forget about, which is exactly what you want out of a breaker.\u003c\/p\u003e\n\u003cp\u003eHere's the part a lot of folks like. The SD-17 is switchable, so it works as a manual on-off switch as well as a breaker. You can cut power to a circuit right at the breaker instead of adding a separate switch for the job. That's handy on 48-volt trolling motor rigs, inverters, or any high-draw run where you want a single point to both protect and disconnect.\u003c\/p\u003e\n\u003cp\u003eBuild quality is what you'd expect from Sea-Dog. The housing is black plastic, it surface-mounts flat against a bulkhead or panel, and the connections are 1\/4 inch-28 stud terminals that take a ring lug and a nut. The IP67 rating means it keeps out dust and survives a temporary dunk, so it's fine in a bilge-adjacent spot or an exposed console area. It's built to SAE J1625, ABYC-E11, UL1077, and SAE J1171, which covers the marine wiring standards most surveyors and insurers care about.\u003c\/p\u003e\n\u003cp\u003eOne thing to get right before you buy. Size the breaker to your wiring and load, not just the biggest number on the shelf. A 150-amp breaker belongs on a run that's genuinely rated for that current, so match it to your cable gauge and the device it feeds. Get that right and the SD-17 is a straightforward, code-friendly way to protect and switch a heavy 48-volt circuit. It's sold as a single breaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e150-amp rating at 48 volts DC, sized for high-current circuits like 48V trolling motor and inverter runs\u003c\/li\u003e\n  \u003cli\u003eThermal design trips on a sustained overload and resets manually once cooled, so there's no fuse to replace\u003c\/li\u003e\n  \u003cli\u003eSwitchable operation doubles as a manual on-off switch, giving you one point to both protect and disconnect a circuit\u003c\/li\u003e\n  \u003cli\u003eIP67 protection rating keeps out dust and survives temporary submersion, fine for exposed or bilge-adjacent mounting\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch-28 stud terminals accept standard ring lugs for a solid high-current connection\u003c\/li\u003e\n  \u003cli\u003eSurface-mount black plastic housing installs flat against a bulkhead or panel\u003c\/li\u003e\n  \u003cli\u003eBuilt to SAE J1625, ABYC-E11, UL1077, and SAE J1171 marine standards\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 Sea-Dog 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 is the Sea-Dog SD-17 rated for?\u003c\/summary\u003e\n    \u003cp\u003eIt's rated at 150 amps on a 48-volt DC system. That makes it a fit for high-current circuits, not small accessory runs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the SD-17 resettable?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's a thermal breaker, so it trips on a sustained overload and you reset it manually once it cools. There's no fuse to replace.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan it work as a switch too?\u003c\/summary\u003e\n    \u003cp\u003eIt can. The SD-17 is switchable, so it doubles as a manual on-off switch and lets you disconnect the circuit right at the breaker.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it waterproof?\u003c\/summary\u003e\n    \u003cp\u003eIt carries an IP67 rating, which means it's dust-tight and can handle temporary submersion. It holds up in exposed or bilge-adjacent spots.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat marine standards does it meet?\u003c\/summary\u003e\n    \u003cp\u003eIt's built to SAE J1625, ABYC-E11, UL1077, and SAE J1171, covering the wiring standards surveyors and insurers typically look for.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow does it mount and connect?\u003c\/summary\u003e\n    \u003cp\u003eIt surface-mounts flat to a bulkhead or panel and uses 1\/4 inch-28 stud terminals that accept ring lugs for a solid high-current connection.\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\u003eSD-17 Resettable Thermal Circuit Breaker; 150 Amp; 48 Volt DC; Switchable\/ Manual Reset; Black; Plastic; Surface Mount; 1\/4 Inch-28 Stud Terminal; SAE J1625\/ ABYC-E11\/ UL1077\/ SAE J1171 Standard; IP67 Protection Rating; Single\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSea-Dog\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e830229\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e035514830386\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSD-17\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBreaker Type\u003c\/th\u003e\n\u003ctd\u003eResettable Thermal Circuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eAmperage Rating\u003c\/th\u003e\n\u003ctd\u003e150 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e48 Volt DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eReset Type\u003c\/th\u003e\n\u003ctd\u003eSwitchable \/ Manual Reset\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eSurface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003ctd\u003e1\/4 Inch-28 Stud Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eSAE J1625, ABYC-E11, UL1077, SAE J1171\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eProtection Rating\u003c\/th\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003eSingle\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 is the Sea-Dog SD-17 rated for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's rated at 150 amps on a 48-volt DC system. That makes it a fit for high-current circuits, not small accessory runs.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the SD-17 resettable?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's a thermal breaker, so it trips on a sustained overload and you reset it manually once it cools. There's no fuse to replace.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can it work as a switch too?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It can. The SD-17 is switchable, so it doubles as a manual on-off switch and lets you disconnect the circuit right at the breaker.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it waterproof?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It carries an IP67 rating, which means it's dust-tight and can handle temporary submersion. It holds up in exposed or bilge-adjacent spots.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What marine standards does it meet?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's built to SAE J1625, ABYC-E11, UL1077, and SAE J1171, covering the wiring standards surveyors and insurers typically look for.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does it mount and connect?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It surface-mounts flat to a bulkhead or panel and uses 1\/4 inch-28 stud terminals that accept ring lugs for a solid high-current connection.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":45073955553373,"sku":"2009430","price":38.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_87a7ee79-62bc-4165-a631-380b5af3b7df.png?v=1789788594","url":"https:\/\/nvnmarine.com\/products\/sea-dog-sd-17-150a-48v-dc-circuit-breaker","provider":"NVN Marine","version":"1.0","type":"link"}