{"product_id":"300a-dual-circuit-battery-isolator-switch-3-position-waterproof","title":"300A Dual-Circuit Battery Isolator Switch | 3-Position IP66","description":"\n\u003ch2\u003e300A Dual-Circuit Battery Isolator Cut-Off Switch — 3-Terminal, 3-Position, IP66 Waterproof\u003c\/h2\u003e\n\u003cp\u003eTake full control of your electrical system with this heavy-duty \u003cstrong\u003e300A Dual-Circuit Battery Isolator Switch\u003c\/strong\u003e. Engineered for marine vessels, RVs, cars, trucks, and trailers, this 3-position (OFF-1-2) disconnect switch lets you isolate or switch battery circuits with ease — protecting your vehicle's electrical system when it's stored or in an emergency situation.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Battery Isolator Switch?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful 300A Capacity:\u003c\/strong\u003e Handles 300A continuous current (500A for 5 minutes, 900A for 30 seconds), making it suitable for high-demand marine and RV applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Circuit Design:\u003c\/strong\u003e 3-position (OFF-1-2) selector allows you to switch between two independent battery circuits or cut all power instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP66 Waterproof Rated:\u003c\/strong\u003e Fully sealed against water jets and dust — built to withstand harsh marine and outdoor environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Conductivity:\u003c\/strong\u003e ABS plastic housing with a red copper, silver-plated inner core for minimal resistance and maximum current transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Mounting:\u003c\/strong\u003e Supports surface, front panel, or rear panel installation — fits virtually any setup on boats, yachts, RVs, trucks, and modified vehicles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe Ignition Protection:\u003c\/strong\u003e Designed with gasoline-powered boat safety in mind, meeting marine installation standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Circuit Labeling:\u003c\/strong\u003e OFF-1-2 labeled actuator for instant, mistake-free operation even in low-light conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e300A (500A \/ 5 min; 900A \/ 30 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e32V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLine Posts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3 × M10 Studs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eGear Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3 (OFF – 1 – 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCircuit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2-Way Dual Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eContact Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNormally Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePanel Mount (Surface \/ Front \/ Rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInner Core\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRed Copper, Silver-Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMarine, RV, Car, Truck, Trailer, Modified Vehicles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 300A Dual-Circuit Battery Isolator Cut-Off Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Standards Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe marine and automotive electrical installations, consult the U.S. Consumer Product Safety Commission (CPSC) for electrical safety best practices.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the 3-position setting (OFF-1-2) mean on this battery isolator switch?\u003c\/h4\u003e\n\u003cp\u003eA: The three positions let you choose which battery circuit is active. \u003cstrong\u003eOFF\u003c\/strong\u003e cuts all power completely, \u003cstrong\u003e1\u003c\/strong\u003e connects Circuit 1 only, and \u003cstrong\u003e2\u003c\/strong\u003e connects Circuit 2 only. This dual-circuit design is ideal for boats and RVs with two separate battery banks, giving you full control over power distribution.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this battery cut-off switch truly waterproof for marine use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This switch carries an \u003cstrong\u003eIP66 waterproof rating\u003c\/strong\u003e, which means it is fully protected against powerful water jets from any direction — making it well-suited for marine vessels, boats, yachts, and any other wet or outdoor environment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What vehicles and applications is this isolator switch compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 300A battery isolator is compatible with a wide range of vehicles and equipment, including \u003cstrong\u003emarine boats, yachts, RVs, motorhomes, cars, trucks, trailers, and modified vehicles\u003c\/strong\u003e. Its panel-mount design and flexible installation options make it easy to fit in virtually any electrical panel.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this switch handle high-current starting loads?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. While the continuous rating is 300A, this switch is engineered to handle \u003cstrong\u003e500A for up to 5 minutes\u003c\/strong\u003e and \u003cstrong\u003e900A for up to 30 seconds\u003c\/strong\u003e, covering the high surge currents typical of engine starting and heavy electrical loads.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the 3-position setting (OFF-1-2) mean on this battery isolator switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The three positions let you choose which battery circuit is active. OFF cuts all power completely, 1 connects Circuit 1 only, and 2 connects Circuit 2 only. This dual-circuit design is ideal for boats and RVs with two separate battery banks, giving you full control over power distribution.\"}}, {\"@type\": \"Question\", \"name\": \"Is this battery cut-off switch truly waterproof for marine use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This switch carries an IP66 waterproof rating, which means it is fully protected against powerful water jets from any direction — making it well-suited for marine vessels, boats, yachts, and any other wet or outdoor environment.\"}}, {\"@type\": \"Question\", \"name\": \"What vehicles and applications is this isolator switch compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 300A battery isolator is compatible with a wide range of vehicles and equipment, including marine boats, yachts, RVs, motorhomes, cars, trucks, trailers, and modified vehicles. 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While the continuous rating is 300A, this switch is engineered to handle 500A for up to 5 minutes and 900A for up to 30 seconds, covering the high surge currents typical of engine starting and heavy electrical loads.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car Care \u0026 Accessories\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/car-care-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"300A Dual-Circuit Battery Isolator Switch | 3-Position IP66\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/300a-dual-circuit-battery-isolator-switch-3-position-waterproof\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48750804631744,"sku":"\u003cnone\u003e","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S56dbe1b27de346b594efda45ddd61bd1u.webp?v=1786231756","url":"https:\/\/vueselect.com\/products\/300a-dual-circuit-battery-isolator-switch-3-position-waterproof","provider":"Vue","version":"1.0","type":"link"}