{"product_id":"attwood-battery-switch-12-to-50v-dc-on-off-23-142337","title":"Attwood Heavy-Duty On\/Off Battery Switch – 200A, 12–50V DC, Removable Knob","description":"\u003ch2\u003eCompact Heavy-Duty Battery Disconnect with Built-In Theft Deterrence\u003c\/h2\u003e\u003cp\u003eThe Attwood Heavy-Duty Battery Switch delivers 200A continuous and 300A intermittent switching capacity in a compact form factor — with one standout feature: the control knob is fully removable. Pull the knob off when you leave the boat and the switch can’t be operated without it, adding a simple but effective layer of theft deterrence and unauthorized-use prevention without the complexity of a keyed switch.\u003c\/p\u003e\u003cp\u003eRated for 12–50V DC systems, this switch covers 12V, 24V, and 36V marine electrical systems with room to spare. Ergonomic grip surfaces make it easy to operate even with wet hands, and the removable terminal walls simplify wiring access during installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e200A continuous \/ 300A intermittent current rating\u003c\/li\u003e\n\u003cli\u003eCompatible with 12–50V DC systems (12V, 24V, 36V)\u003c\/li\u003e\n\u003cli\u003eRemovable control knob — deters theft and unauthorized use when removed\u003c\/li\u003e\n\u003cli\u003eCompact, heavy-duty construction\u003c\/li\u003e\n\u003cli\u003eErgonomic grip surfaces for easy operation with wet hands\u003c\/li\u003e\n\u003cli\u003eRemovable terminal walls for simplified wiring access\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMarine battery isolation on powerboats, pontoons, and sailboats\u003c\/li\u003e\n\u003cli\u003eSeasonal storage battery disconnect to prevent parasitic drain\u003c\/li\u003e\n\u003cli\u003eMarina slip and trailered vessel security\u003c\/li\u003e\n\u003cli\u003e12V, 24V, and 36V DC marine electrical systems up to 50V\u003c\/li\u003e\n\u003cli\u003eRV and motorhome battery disconnect\u003c\/li\u003e\n\u003cli\u003eAny application requiring a removable-knob theft-deterrent battery switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The Attwood battery switch is the right pick when you want theft deterrence without the hassle of a keyed switch — the removable knob is faster to operate than a key and eliminates the risk of a lost or broken key leaving you stranded. It’s particularly well-suited for trailered boats and marina slip installations where the vessel is left unattended regularly. The 12–50V rating also makes it one of the more versatile options in this class, covering 12V, 24V, and 36V systems without needing a different switch for each application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated disconnect switches:\u003c\/strong\u003e For a keyed battery disconnect with a more traditional ignition-style lockout, see the \u003ca href=\"\/products\/moeller-battery-disconnect-switch-with-key-114-04221910\"\u003eMoeller Battery Disconnect Switch with Key\u003c\/a\u003e. For a lever-style disconnect with a brass case and 175A continuous rating, the \u003ca href=\"\/products\/cole-hersee-m284bp-6-12v-battery-disconnect-swtch-12-m284bp\"\u003eCole Hersee M284BP Battery Disconnect Switch\u003c\/a\u003e is a solid alternative. For full dual-battery selection (1\/Both\/2\/Off), the \u003ca href=\"\/products\/dual-battery-switch-12-m750bp\"\u003eCole Hersee M750BP 4-Position Dual Battery Selector Switch\u003c\/a\u003e adds bank management capability.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250885230628,"sku":"23-142337","price":71.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/23-142337.jpg?v=1786511671","url":"https:\/\/marisolmarine.com\/products\/attwood-battery-switch-12-to-50v-dc-on-off-23-142337","provider":"Marisol Marine Company","version":"1.0","type":"link"}