{"product_id":"auto-battery-disconnect-switch-12v-24v-marine-100a-300a-marine-boat-battery-mass-switch-cut-off-switch-car-boat","title":"Marine Battery Disconnect Switch 12V 24V, 100A-300A for Boat and Car","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful, versatile, and built to endure marine environments, the Marine Battery Disconnect Switch provides reliable dual-battery control for boats, RVs, cars, and more. Designed for 12V-60V DC systems, it helps you isolate loads quickly to prevent battery drain, protect electronics, and simplify maintenance.\u003c\/p\u003e \u003ch3\u003eMain Description\u003c\/h3\u003e\n\u003cp\u003eThis dual battery disconnect switch features a self-cleaning sliding contact design for stable performance across years of vibration and exposure. It supports 12V-60V DC systems and is available in current variants of 100A, 200A, and 300A, with continuous ratings around 275A, intermittent up to 455A, and cranking up to 1250A—making it suitable for demanding setups on boats, campers, and heavy-duty vehicles. The unit uses a rugged ABS plastic housing and four tin-plated copper studs (2 x 3\/8\" \/ 10 mm) for solid connections. It supports a Master switch with 1-2-Both-Off operation, allowing you to ON or OFF a single bank or both banks together, regardless of their individual switch states.\u003c\/p\u003e\n\u003cp\u003eRecessed or surface mounting options make it easy to install on larger vessels or vehicles, and it can be integrated into contour lock systems to lock with other switches for enhanced security. The rear cover insulates terminals to reduce the risk of short circuits, and the CE-certified design adds peace of mind for EU installations. Suitable for marine boats, RVs, ATVs, cars, campers, travel trailers, trucks, and UTVs.\u003c\/p\u003e \u003ch3\u003eBenefits \u0026amp; Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as a master disconnect to quickly isolate all loads during storage or maintenance, preventing battery drain and protecting sensitive electronics.\u003c\/li\u003e \u003cli\u003eOpt for the appropriate current variant (100A, 200A, or 300A) based on your dual-battery setup to ensure reliable performance and avoid overloading wiring.\u003c\/li\u003e \u003cli\u003eLeverage the 1-2-Both-Off configuration to control individual battery banks or both together, regardless of their own switches, for flexible power management on boats and larger vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 12–60V DC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRated current (variants)\u003c\/strong\u003e: 100A \/ 200A \/ 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eContinuous rating\u003c\/strong\u003e: 275A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntermittent rating\u003c\/strong\u003e: 455A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCranking rating\u003c\/strong\u003e: 1250A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStud size\u003c\/strong\u003e: 2 × 3\/8\" (10 mm) copper studs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e: Dual 1-2-Both-Off battery switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHousing material\u003c\/strong\u003e: ABS plastic\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: diameter 7.5 cm; height 10 cm (approx. 7.5 × 7.5 × 10 cm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 270 g\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Recess or surface mount\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrigin\u003c\/strong\u003e: Mainland China\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertification\u003c\/strong\u003e: CE Certified\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePackage includes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x Car Battery Selector Rotary Switch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWarnings\/Reminders\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure wiring is sized to handle the maximum current of your chosen variant; use appropriate gauge wiring and fusing according to your system design.\u003c\/li\u003e \u003cli\u003eThis device is intended for DC systems (12–60V). Do not connect to AC circuits.\u003c\/li\u003e \u003cli\u003eInstall and mount per marine or vehicle electrical standards; use the rear cover to insulate terminals from shorts where applicable.\u003c\/li\u003e \u003cli\u003eAlways disconnect power before installation or servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.\u003c\/p\u003e \u003cp\u003eProviding quality and trusted service since 2002 at intercy Cyprus.com.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"A","offer_id":52420539547990,"sku":"1005006843811102-A","price":14.25,"currency_code":"EUR","in_stock":true},{"title":"B","offer_id":52420539580758,"sku":"1005006843811102-B","price":32.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/Sfab18c6f4f9d4fedbabe61426758f983U.webp?v=1769194259","url":"https:\/\/www.intercyprus.com\/products\/auto-battery-disconnect-switch-12v-24v-marine-100a-300a-marine-boat-battery-mass-switch-cut-off-switch-car-boat","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}