{"product_id":"blue-sea-heavy-duty-master-disconnect-on-off-switch-600a-78403b","title":"Blue Sea 78403B Heavy Duty Master Disconnect On\/Off Switch, 600A","description":"\u003cp\u003eThis heavy-duty master disconnect switch gives you a single, reliable point to fully isolate your battery bank — essential for maintenance, storage, or emergency shutdown on high-current DC systems. Its case supports either surface or rear panel mounting, so it fits a variety of installation layouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eContinuous Rating: 600A\u003c\/li\u003e\n\u003cli\u003eIntermittent Rating: 900A (5 minutes)\u003c\/li\u003e\n\u003cli\u003eMax Voltage: 32V DC\u003c\/li\u003e\n\u003cli\u003eCable Size: Accepts two 4\/0 AWG (95mm²) battery cables\u003c\/li\u003e\n\u003cli\u003eSwitch Positions: 2 (On\/Off)\u003c\/li\u003e\n\u003cli\u003eMounting: Surface or rear panel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRated for the highest-current systems we carry — a good match for large battery banks with heavy inverter draw.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":47631052177598,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/0149\/8558\/files\/BlueSeaHeavyDutyMasterDisconnectOnOffSwitch600A.jpg?v=1784503918","url":"https:\/\/lightharvestsolar.com\/products\/blue-sea-heavy-duty-master-disconnect-on-off-switch-600a-78403b","provider":"LightHarvest Solar","version":"1.0","type":"link"}