{"product_id":"blue-sea-300a-black-mini-m-series-on-off-battery-switch","title":"Blue Sea 300A Black Mini m-Series On\/Off Battery Switch","description":"\u003ch2\u003eCompact High-Amperage Battery Isolation for Marine and Vehicle Systems\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBlue Sea Systems m-Series Battery Switch\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a robust switching solution in a compact footprint, specifically engineered for space-constrained installations in boats, caravans, and 4WDs. While small in size, this switch delivers a substantial\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e300A continuous rating\u003c\/strong\u003e, making it capable of handling the heavy electrical loads found in modern onboard systems.\u003c\/p\u003e\n\u003cp\u003eDesigned for versatility, it serves as a reliable main disconnect for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12V, 24V, and 48V DC systems\u003c\/strong\u003e. Its compact form factor allows it to be installed close to battery banks or on crowded distribution panels where traditional heavy-duty switches simply will not fit. By isolating the battery, you prevent parasitic drain during storage and ensure a safe, mechanical disconnection during maintenance.\u003c\/p\u003e\n\u003ch3\u003eIgnition Protected and Marine Ready\u003c\/h3\u003e\n\u003cp\u003eSafety is paramount in marine environments, particularly aboard vessels with gasoline engines. This switch features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eignition protection\u003c\/strong\u003e, making it safe for installation in engine rooms or fuel lockers where fumes may be present. The design prevents internal sparking from igniting surrounding gases, compliant with stringent marine safety standards.\u003c\/p\u003e\n\u003cp\u003eConstructed with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etinned copper studs\u003c\/strong\u003e, the unit offers maximum conductivity and corrosion resistance—critical for withstanding the harsh saline atmosphere of Australian coastal waters. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3\/8\"-16 (Approx. M10) stud terminals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare sized to accept heavy-duty ring terminals, accommodating cables up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4\/0 AWG (Approx. 120mm²)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto meet current ratings without overheating.\u003c\/p\u003e\n\u003ch3\u003eFlexible Mounting and Installation\u003c\/h3\u003e\n\u003cp\u003eOne of the standout features of the m-Series is its versatile case design, which supports three mounting options: surface, rear panel, or front panel mounting. This flexibility simplifies integration into custom control panels or existing battery boxes without requiring extensive modifications.\u003c\/p\u003e\n\u003cp\u003eThe included isolating cover with snap-on sections protects the rear contacts, preventing accidental short circuits from loose tools or debris. This attention to detail ensures your electrical system remains safe and compliant with installation regulations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e300A — Handles high-demand loads efficiently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e48V DC — Suitable for 12V, 24V, and 48V banks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCranking Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e900A (30 sec) — Reliable engine starting power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\"Mini\" footprint fits where larger switches cannot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3\/8\"-16 (Approx. M10) tinned copper for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafe for use in petrol engine compartments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSingle Circuit ON-OFF configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable Power Management\u003c\/h3\u003e\n\u003cp\u003eUpgrading to a high-quality battery switch reduces the risk of electrical failure and provides peace of mind when storing your vehicle or vessel. Unlike generic switches that may suffer from voltage drop or contact heating under load, the Blue Sea Systems m-Series maintains a low-resistance connection for optimal system performance.\u003c\/p\u003e\n\u003cp\u003eWhether you are fitting out a new\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLiFePO4 battery system\u003c\/strong\u003e, upgrading a camper trailer, or replacing an old corroded switch on a boat, this unit offers professional-grade reliability in a package that fits almost anywhere.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecure your electrical system with the Blue Sea m-Series switch today for reliable isolation and safety.\u003c\/strong\u003e\u003c\/p\u003e","brand":"BLUE SEA","offers":[{"title":"Default Title","offer_id":46654550212662,"sku":"BS-6006200B","price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2271\/1350\/files\/blue-sea-m-series-battery-switch-on-off-BS-6006200B.webp?v=1782183440","url":"https:\/\/www.awardrv.com.au\/products\/blue-sea-300a-black-mini-m-series-on-off-battery-switch","provider":"Award RV Superstore","version":"1.0","type":"link"}