{"product_id":"blue-sea-m-series-mini-on-off-battery-switch-with-4830","title":"Blue Sea 300A Red Mini m-Series On\/Off Battery Switch","description":"\u003ch2\u003eBlue Sea m-Series: Compact High-Current Battery Isolation\u003c\/h2\u003e \u003ch3\u003eReliable Power Management for Marine and RV Systems\u003c\/h3\u003e \u003cp\u003eThe \u003cstrong\u003eBlue Sea Systems m-Series Battery Switch\u003c\/strong\u003e solves the common challenge of installing high-amperage isolation in tight spaces. Despite its compact footprint, this switch is engineered to handle significant power loads, making it an ideal choice for switching a single battery to a single load group in boats, caravans, and 4WD setups.\u003c\/p\u003e \u003cp\u003eUnlike generic switches that often suffer from voltage drop or overheating under load, the m-Series features \u003cstrong\u003etinned copper studs\u003c\/strong\u003e for maximum conductivity and corrosion resistance. It is rated for \u003cstrong\u003e300A continuous current\u003c\/strong\u003e, with an impressive intermittent rating of 500A (5 minutes) and a cranking rating of 900A (30 seconds), ensuring it can handle engine starting surges without failure.\u003c\/p\u003e  \u003ch3\u003eIgnition Protected for Safety\u003c\/h3\u003e \u003cp\u003eSafety is paramount in marine electrical design. This switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, meaning it is safe for installation on gasoline-powered boats. It prevents internal sparks from igniting fuel vapours, a critical risk reduction feature for engine rooms and fuel locker installations. The casing is also designed to IP66 standards (when properly mounted), protecting internal contacts from harsh marine environments.\u003c\/p\u003e  \u003ch3\u003eVersatile Mounting and Installation\u003c\/h3\u003e \u003cp\u003eInstallation flexibility is a standout feature of the m-Series. The case design allows for three mounting options: surface, front panel, or rear panel mounting, accommodating various console and bulkhead thicknesses. The isolating cover includes snap-on sections to protect rear contacts, ensuring compliance with ABYC requirements.\u003c\/p\u003e \u003cp\u003eThe switch features \u003cstrong\u003e3\/8\"-16 (Approx. M10) terminal studs\u003c\/strong\u003e which accept ring terminals comfortably. To accommodate heavy cabling, the design provides ample clearance for cables up to \u003cstrong\u003e4\/0 AWG (Approx. 120mm²)\u003c\/strong\u003e.\u003c\/p\u003e  \u003ch3\u003eFuture-Proof Voltage Handling\u003c\/h3\u003e \u003cp\u003eWhile commonly used in \u003cstrong\u003e12V battery systems\u003c\/strong\u003e, this switch is rated for a maximum of \u003cstrong\u003e48V DC\u003c\/strong\u003e. This makes it fully compatible with modern 24V and 48V lithium battery banks often found in advanced off-grid energy systems and electric propulsion setups.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e 300A continuous and 900A cranking rating in a compact \"mini\" size.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e Safe for installation aboard petrol-powered vessels.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Suitable for 12V, 24V, and up to 48V DC systems.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eConductive Design:\u003c\/strong\u003e 3\/8\"-16 (Approx. M10) tinned copper studs for maximum conductivity and corrosion resistance.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e Surface, rear, or front panel mounting options with snap-out isolation covers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTactile Operation:\u003c\/strong\u003e Robust knob with positive click-stop positions for clear ON\/OFF status.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eSecure Your Electrical System\u003c\/h3\u003e \u003cp\u003eEnsure your vessel or vehicle is equipped with a master switch that meets professional safety standards. \u003cstrong\u003eInstall the Blue Sea m-Series Switch today\u003c\/strong\u003e for reliable circuit isolation and peace of mind on the water or the road.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":55056813326675,"sku":"BS-6006B","price":31.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/blue-sea-mini-m-series-battery-switch-BS-6006B.png?v=1790336308","url":"https:\/\/progradewarehouse.com\/products\/blue-sea-m-series-mini-on-off-battery-switch-with-4830","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}