{"title":"Battery Selector Switches","description":"\u003csection\u003e\u003ch2\u003eBattery Selector Switches\u003c\/h2\u003e\n\u003cp\u003eThis collection covers 3 and 4 position switches to select battery 1, battery 2 or both. Battery collections can include different chemistries, capacities, case formats and intended duties. Selection should be based on the complete electrical system and operating profile rather than capacity alone. Products shown together may differ in function and specification; the collection is a starting point for comparison rather than a statement that every item suits the same system.\u003c\/p\u003e\n\u003ch3\u003eMatching the battery to the system\u003c\/h3\u003e\n\u003cp\u003eConfirm nominal voltage, chemistry, usable capacity, expected loads, charging sources and required recharge time. Compare physical dimensions, weight, terminal arrangement, mounting limits, series or parallel requirements and any external protection or communications needed by the selected model.\u003c\/p\u003e\n\u003ch3\u003ePlanning charging and installation\u003c\/h3\u003e\n\u003cp\u003eCheck the battery manufacturer’s charging limits and installation instructions against every charger, inverter and connected load. Cable size, circuit protection, ventilation, restraint and service access should be considered as part of the same design.\u003c\/p\u003e\n\u003cp\u003eFor project supply or repeat ordering, record the exact battery model, quantity, system voltage and required connection arrangement. Confirm model-specific ratings, inclusions and installation instructions on the individual product page before final selection. Keep the selected product reference with the system or equipment record for later technical review.\u003c\/p\u003e\u003c\/section\u003e","products":[{"product_id":"blue-sea-battery-switch-350a-3-position-w-afd","title":"Blue Sea 350A Red e-Series 3 Position (OFF\/1\/2) Battery Selector Switch w\/ AFD","description":"\u003ch2\u003eEssential Battery Selection with Alternator Protection\u003c\/h2\u003e\n\u003cp\u003eManaging multiple battery banks on a boat or heavy-duty vehicle requires robust switching gear. The \u003cstrong\u003eBlue Sea e-Series 3 Position Battery Selector Switch\u003c\/strong\u003e provides a reliable method to switch a single load group between two isolated battery sources. Whether you need to reserve a dedicated starting battery or cycle between two house banks, this switch offers clear, tactile control without the risk of accidental parallel connection.\u003c\/p\u003e\n\u003cp\u003eUnlike standard selectors, this model includes \u003cstrong\u003eAlternator Field Disconnect (AFD)\u003c\/strong\u003e capabilities. This critical feature protects your vessel's charging system during operation, safeguarding against costly alternator diode failure if the switch is accidentally turned to the 'OFF' position while the engine is running.\u003c\/p\u003e\n\u003ch3\u003eProtect Your Alternator with AFD Technology\u003c\/h3\u003e\n\u003cp\u003eOne of the most common risks in manual battery switching is the accidental disconnection of the battery while the alternator is charging. This creates a voltage spike—often called a load dump—that can instantly destroy the rectifier diodes in your alternator.\u003c\/p\u003e\n\u003cp\u003eThe integrated \u003cstrong\u003eAFD feature\u003c\/strong\u003e solves this problem. It disconnects the alternator field wire slightly before the main battery circuit opens, ensuring the alternator stops generating power before the load is removed. This simple yet effective mechanism provides peace of mind for boat owners and prevents expensive repairs to charging components.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Harsh Marine Environments\u003c\/h3\u003e\n\u003cp\u003eDesigned for the demanding conditions of the Australian marine environment, the e-Series switch features \u003cstrong\u003etinned copper studs\u003c\/strong\u003e for maximum conductivity and corrosion resistance. The casing is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it safe for installation on gasoline-powered boats where fuel vapours may be present.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003emaximum voltage of 32V DC\u003c\/strong\u003e, this switch is perfectly suited for 12V and 24V systems found in yachts, 4WDs, and caravans. The robust design handles significant power demands:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Rating:\u003c\/strong\u003e 325A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent Rating:\u003c\/strong\u003e 600A (5 minutes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCranking Rating:\u003c\/strong\u003e 1200A (30 seconds)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Flexibility and Compatibility\u003c\/h3\u003e\n\u003cp\u003eRetrofitting or installing a new system is straightforward thanks to the versatile case design, which allows for either surface or rear panel mounting. The switch fits standard industry mounting patterns, making it an easy upgrade for older equipment.\u003c\/p\u003e\n\u003cp\u003eFor heavy-duty cabling, the switch accommodates large lugs with \u003cstrong\u003e3\/8\"-16 (Approx. M10) terminal studs\u003c\/strong\u003e. The housing provides ample clearance for cables up to \u003cstrong\u003e4\/0 AWG (Approx. 120mm²)\u003c\/strong\u003e, ensuring you can maintain low voltage drop across your system.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Position Operation (OFF\/1\/2):\u003c\/strong\u003e Selects between two battery sources for a single load without combining them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternator Field Disconnect (AFD):\u003c\/strong\u003e Protects alternator diodes if the switch is turned off while the engine is running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Handling:\u003c\/strong\u003e Supports 325A continuous and 1200A cranking loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e Safe for use in engine rooms and fuel lockers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mounting:\u003c\/strong\u003e Surface or rear panel mount with \u003cstrong\u003e1\/4\" (Approx. M6)\u003c\/strong\u003e mounting holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Tinned copper studs and reinforced polycarbonate housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable Power Control for Your Setup\u003c\/h3\u003e\n\u003cp\u003eWhether you are outfitting a cruising yacht or upgrading a touring 4WD, proper battery isolation is key to system reliability. The Blue Sea e-Series switch ensures you have power when you need it, protecting both your batteries and your charging infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEquip your vessel with professional-grade power management. Secure your Blue Sea e-Series Battery Selector Switch today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611877040277,"sku":"BS-11001B","price":102.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-3-position-selector-switch-bs-11001b.jpg?v=1776966166"},{"product_id":"blue-sea-switch-battery-hd-selector-w-afd","title":"Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch w\/ AFD","description":"\u003ch2\u003eConfident control of dual battery banks for marine and RV power\u003c\/h2\u003e\n\u003cp\u003eManaging multiple battery banks on a boat, 4WD or caravan often means balancing two priorities: keeping critical loads powered and protecting your charging system. The \u003cstrong\u003eBlue Sea HD-Series 4-position battery selector switch with AFD\u003c\/strong\u003e is built for high-current installations where dependable changeover and battery isolation matter. It gives you clear, manual control to run from Battery 1, Battery 2, both combined, or OFF—helping you reduce the risk of accidental battery drain and simplify troubleshooting on-board electrical systems.\u003c\/p\u003e\n\n\u003cp\u003eFor Australian conditions and demanding marine environments, this selector switch is designed to suit heavy-duty cable runs and high-load circuits. The HD construction, robust terminals and practical mounting options make it a strong fit for new installs and upgrades where reliability and serviceability are priorities.\u003c\/p\u003e\n\n\u003ch2\u003eWhy AFD matters when switching under charge\u003c\/h2\u003e\n\u003cp\u003eWhen an engine is running, abruptly disconnecting the alternator can contribute to voltage spikes that may stress sensitive electronics. This model includes \u003cstrong\u003eAFD (Alternator Field Disconnect)\u003c\/strong\u003e, supporting safer switching practices for systems that require alternator field management. Combined with a \u003cstrong\u003emake-before-break\u003c\/strong\u003e contact design, it allows you to transition between battery banks without the momentary loss of power that can reset devices such as radios, navigation equipment and onboard control modules.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for marine safety and installation flexibility\u003c\/h2\u003e\n\u003cp\u003eOn petrol-powered vessels, component safety ratings matter. This switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it suitable for installation in engine spaces where ignition protection is required. The enclosure is also designed for practical installs, offering \u003cstrong\u003esurface or rear panel mounting\u003c\/strong\u003e to suit dashboards, switch panels and electrical lockers. With clearance and terminal design intended for large battery cables, it supports tidy, professional cable routing in tight compartments.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eThis heavy duty battery isolator\/selector is commonly used in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoats with house and start battery banks\u003c\/li\u003e\n\u003cli\u003e4WD touring setups with dual batteries and accessory loads\u003c\/li\u003e\n\u003cli\u003eCaravans and camper trailers needing selectable battery sources\u003c\/li\u003e\n\u003cli\u003eWorkboats and commercial vehicles where downtime and power interruptions are costly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-position selector\u003c\/strong\u003e for OFF \/ Battery 1 \/ Battery 2 \/ Combined operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFD support\u003c\/strong\u003e to assist alternator field disconnect requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake-before-break switching\u003c\/strong\u003e to help minimise power interruption during changeover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected design\u003c\/strong\u003e for use on petrol-powered boats where applicable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting\u003c\/strong\u003e options for cleaner installs and easier servicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy duty terminals\u003c\/strong\u003e designed to suit large battery cable connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePractical benefits for owners and installers\u003c\/h2\u003e\n\u003cp\u003eCompared with lighter-duty battery switches, the HD-Series format is aimed at high-current systems where heat, vibration and frequent use can expose weak points. By giving you a clear operating mode and robust changeover, it can help reduce nuisance shutdowns, simplify battery management, and support safer isolation during maintenance. It’s a straightforward upgrade for anyone looking to improve confidence in their marine electrical system, dual battery setup, or auxiliary power distribution.\u003c\/p\u003e\n\n\u003cp\u003eIf you’re building or refreshing a system, pair this switch with correctly sized cables, appropriate circuit protection and a wiring layout that matches your alternator\/charging method for best results.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611878187157,"sku":"BS-3003B","price":176.61,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-hd-series-4-position-switch-bs-3003b.webp?v=1787405897"},{"product_id":"blue-sea-heavy-duty-selector-battery-switch-500a","title":"Blue Sea 500A HD-Series Heavy Duty 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch","description":"\u003ch2\u003eHigh-Capacity Dual Battery Management for Marine and Vehicle Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea HD-Series Battery Selector Switch\u003c\/strong\u003e is engineered to manage high-amperage power distribution in marine, RV, and heavy-duty vehicle applications. As part of the 500A HD-Series, this switch provides a robust solution for switching between two isolated battery banks or combining them for emergency starting power. Its rugged construction ensures reliability in demanding environments, making it an industry-standard choice for upgrading 12V and 24V electrical systems.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile 4-Position Switching\u003c\/h3\u003e\n\u003cp\u003eDesigned for flexibility, the 4-position dial allows you to select between \u003cstrong\u003eBattery 1\u003c\/strong\u003e, \u003cstrong\u003eBattery 2\u003c\/strong\u003e, or \u003cstrong\u003eBoth (1+2)\u003c\/strong\u003e, as well as a complete \u003cstrong\u003eOFF\u003c\/strong\u003e position. This functionality is essential for dual-battery setups, allowing you to reserve one bank for engine starting while powering accessories from the second bank. In the event of a flat starting battery, the \"Combine\" function allows you to parallel both banks for a powerful emergency jump-start.\u003c\/p\u003e\n\n\u003cp\u003eCrucially, the switch features a \u003cstrong\u003emake-before-break contact design\u003c\/strong\u003e. This ensures that power flow remains uninterrupted when switching between battery banks, preventing nuisance resets of sensitive electronics like GPS units, radios, and engine control modules.\u003c\/p\u003e\n\n\u003ch3\u003eHeavy-Duty Performance for High-Load Engines\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the demands of large diesel engines and high-draw electrical loads, this switch offers impressive power handling capabilities. While designated as part of the 500A series, it is rated for a solid \u003cstrong\u003e400A continuous current\u003c\/strong\u003e and an exceptional \u003cstrong\u003e1600A cranking rating (30 seconds)\u003c\/strong\u003e. This high cranking capacity makes it suitable for starting large marine inboards and commercial vehicle engines without voltage drop issues.\u003c\/p\u003e\n\n\u003ch3\u003eSafety and Durability in Harsh Conditions\u003c\/h3\u003e\n\u003cp\u003eSafety is paramount in marine installations. This unit is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it safe for installation on gasoline-powered boats by preventing sparks that could ignite fumes. The case is constructed to withstand vibration and environmental stress, featuring \u003cstrong\u003etinned copper studs\u003c\/strong\u003e for maximum conductivity and corrosion resistance.\u003c\/p\u003e\n\n\u003cp\u003eFor installation flexibility, the switch supports both surface and rear panel mounting. The heavy-duty \u003cstrong\u003e1\/2\" (approx. M12) terminal studs\u003c\/strong\u003e are designed to accept large cable lugs, accommodating up to \u003cstrong\u003e4\/0 AWG (approx. 120mm²) battery cables\u003c\/strong\u003e to minimise resistance and heat build-up.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Cranking Rating:\u003c\/strong\u003e Handles up to 1600A for 30 seconds, ideal for starting heavy engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Position Selector:\u003c\/strong\u003e Offers OFF, 1, 2, and 1+2 (Combine) settings for complete battery management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake-Before-Break:\u003c\/strong\u003e Allows switching between banks without cutting power to connected devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e Safe for use in engine rooms and fuel storage areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Mounting:\u003c\/strong\u003e Compatible with surface or rear panel installation using 1\/4\" (approx. M6) fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Features 1\/2\" (approx. M12) tinned copper studs for long-lasting marine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Power System\u003c\/h3\u003e\n\u003cp\u003eEnsure your vessel or vehicle has the reliable power switching it needs. Install the \u003cstrong\u003eBlue Sea HD-Series Selector Switch\u003c\/strong\u003e today for safe, efficient, and professional battery management.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611878318229,"sku":"BS-3002B","price":169.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-hd-series-4-position-switch-bs-3002b.jpg?v=1776835022"},{"product_id":"blue-sea-mini-switch-battery-m-series-selector-bla","title":"Blue Sea 300A Black Mini m-Series 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch","description":"\u003ch2\u003eCompact High-Current Battery Selection for Dual Bank Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea m-Series Battery Switch\u003c\/strong\u003e offers a professional solution for managing two isolated battery banks in marine, RV, and automotive applications. As a \u003cstrong\u003e4-position selector switch\u003c\/strong\u003e, it allows you to draw power from Battery 1, Battery 2, or both simultaneously, while also providing a complete disconnect (OFF) for safety and storage. Engineered for systems requiring high power handling in a small footprint, this switch is ideal for switching battery banks to all loads or combining them for emergency starting.\u003c\/p\u003e\n\u003cp\u003eWhether you are outfitting a small boat with an outboard motor, setting up a dual battery system in a 4WD, or managing power in a camper trailer, the m-Series provides the reliability needed for critical electrical connections. Its compact design solves the problem of limited mounting space without compromising on amperage capacity.\u003c\/p\u003e\n\u003ch3\u003eComplete Control Over Two Battery Banks\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003eselector battery switch\u003c\/strong\u003e simplifies power management by allowing you to choose which battery bank powers your engine or house loads. The \"1+2\" position combines both banks, effectively paralleling them to provide extra cranking amps during emergency starting situations or to charge both banks simultaneously from a single charging source. This flexibility is essential for ensuring you always have a backup power source available if your primary starting battery is depleted.\u003c\/p\u003e\n\u003ch3\u003eSafe Switching with Make-Before-Break Technology\u003c\/h3\u003e\n\u003cp\u003eProtecting your vehicle's sensitive electronics and charging components is paramount. This unit features a \u003cstrong\u003emake-before-break contact design\u003c\/strong\u003e, which allows you to switch between battery banks (e.g., from 1 to 2) while the engine is running without interrupting power flow. This feature prevents potentially damaging voltage spikes that can harm alternators and sensitive navigation or communication equipment, ensuring seamless operation during use.\u003c\/p\u003e\n\u003ch3\u003eHigh-Current Performance and Compatibility\u003c\/h3\u003e\n\u003cp\u003eDespite its mini form factor, the m-Series is built to handle significant electrical loads. It is rated for \u003cstrong\u003e300A continuous current\u003c\/strong\u003e, making it suitable for most marine and automotive DC circuits up to 32V. For short bursts, such as engine cranking, it can withstand up to \u003cstrong\u003e900A for 30 seconds\u003c\/strong\u003e. The switch utilises \u003cstrong\u003e3\/8\"-16 (approx. M10) tinned copper studs\u003c\/strong\u003e that provide maximum conductivity and corrosion resistance. These terminals are capable of accepting heavy-duty ring terminals and cables up to \u003cstrong\u003e4\/0 AWG (approx. 120mm²)\u003c\/strong\u003e, ensuring minimal voltage drop even in high-demand setups.\u003c\/p\u003e\n\u003ch3\u003eFlexible Installation Options\u003c\/h3\u003e\n\u003cp\u003eInstallation in tight spaces is made easier with versatile mounting configurations. The switch can be surface mounted, front panel mounted, or rear panel mounted, accommodating various dashboard and locker layouts. It fits standard mounting holes (accepts #10 screws or approx. M5) and includes a snap-on rear cover to insulate terminals, adding an extra layer of safety against accidental short circuits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Position Selector:\u003c\/strong\u003e OFF, 1, 2, and 1+2 for versatile battery management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Rating:\u003c\/strong\u003e 300A continuous, 500A intermittent (5 min), 900A cranking (30 sec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e Safe for installation aboard petrol-powered boats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake-Before-Break:\u003c\/strong\u003e Safely switch between banks without stopping power flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Terminals:\u003c\/strong\u003e 3\/8\"-16 (approx. M10) studs accept up to 4\/0 AWG (approx. 120mm²) cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Resistant:\u003c\/strong\u003e IP66 rating ensures durability in damp marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable Power Management for Your Next Adventure\u003c\/h3\u003e\n\u003cp\u003eEnsure your electrical system is safe, efficient, and versatile with the Blue Sea m-Series Battery Switch. Whether you need to isolate a starting battery or combine banks for a jump start, this switch delivers professional-grade performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecure your power system today with this industry-leading battery selector switch.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611879432341,"sku":"BS-6007200B","price":82.36,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-mini-m-series-switch-bs-6007200b.webp?v=1787469231"},{"product_id":"blue-sea-battery-switch-300a-4-position-red","title":"Blue Sea 300A Red Mini m-Series 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch","description":"\u003ch2\u003eCompact Dual Battery Management for Marine and RV Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea m-Series Battery Selector Switch\u003c\/strong\u003e is the industry standard for managing dual battery banks in boats, caravans, and 4WDs. Designed to provide safe and reliable switching between a starting battery and a house bank, this compact unit solves the common problem of accidental starting battery depletion. By isolating your electrical loads, you ensure that your engine always has the power it needs to crank, while your accessories run independently.\u003c\/p\u003e\n\u003cp\u003eEngineered for the harsh marine environment, this switch features a robust construction suitable for systems up to \u003cstrong\u003e32V DC\u003c\/strong\u003e. Whether you are upgrading a tinny, fitting out a camper trailer, or replacing an old isolator in an engine room, the m-Series delivers professional-grade performance in a footprint that fits almost anywhere.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile 4-Position Switching\u003c\/h3\u003e\n\u003cp\u003eThis selector switch offers four distinct positions to give you complete control over your power management:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF:\u003c\/strong\u003e Completely disconnects all batteries from the loads for storage or maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Connects Battery Bank 1 (typically the starting battery) to the loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Connects Battery Bank 2 (typically the house battery) to the loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1+2 (Combine):\u003c\/strong\u003e Parallels both battery banks for emergency starting if one battery is low.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCrucially, the unit utilises a \u003cstrong\u003emake-before-break contact design\u003c\/strong\u003e. This allows you to switch between battery banks (e.g., from 1 to 2) while the engine is running or electronics are active without interrupting power. This prevents sensitive navigation equipment, radios, or engine management systems from resetting during operation.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt for Safety and Durability\u003c\/h3\u003e\n\u003cp\u003eSafety is paramount in electrical installations, particularly where fuel fumes may be present. The Blue Sea m-Series is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it safe for installation in the engine rooms of gasoline-powered boats. The case design allows for versatile mounting options—surface, front panel, or rear panel—ensuring a clean finish in any setup.\u003c\/p\u003e\n\u003cp\u003eThe switch is built with \u003cstrong\u003etinned copper studs\u003c\/strong\u003e for maximum conductivity and corrosion resistance. The \u003cstrong\u003e3\/8\"-16 (Approx. M10)\u003c\/strong\u003e terminal studs are designed to accept heavy-duty ring terminals and handle the torque required for a secure vibration-resistant connection. With a \u003cstrong\u003e300A continuous rating\u003c\/strong\u003e, it easily handles the demands of most alternators and onboard appliances found in recreational vehicles and vessels.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A Continuous Rating:\u003c\/strong\u003e Handles high-current demands with a 500A intermittent rating (5 min) and 900A cranking (30 sec).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Protected:\u003c\/strong\u003e Safe for installation aboard gasoline-powered boats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake-Before-Break:\u003c\/strong\u003e Switch battery banks without power loss to electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Terminals:\u003c\/strong\u003e 3\/8\"-16 (Approx. M10) studs accept substantial cabling, accommodating up to 4\/0 AWG (approx. 120mm²) lugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mounting:\u003c\/strong\u003e Fits standard industry cutouts for easy retrofitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the m-Series?\u003c\/h3\u003e\n\u003cp\u003eGeneric switches often fail under the stress of saltwater environments or high-vibration off-road use. The Blue Sea m-Series is tested to ensure longevity and reliability. Its tactile knob provides positive feedback, so you know exactly which position is engaged, even in low-light conditions. For anyone building a dual-battery system, this switch offers the peace of mind that your power distribution is secure, efficient, and ready for adventure.\u003c\/p\u003e\n\n\u003ch3\u003eSecure Your Power System Today\u003c\/h3\u003e\n\u003cp\u003eUpgrade your battery management with the reliability of Blue Sea Systems. Whether for a weekend fishing trip or a lap around Australia, ensure your batteries are isolated and ready when you need them.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611879563413,"sku":"BS-6007B","price":78.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-m-series-battery-selector-switch-bs-6007b_ed089866-1b17-40e4-9eb4-f8decac31072.webp?v=1787405998"},{"product_id":"blue-sea-mini-m-series-selector-battery-switch-bla","title":"Blue Sea 300A Black Mini m-Series 3 Position (OFF\/1\/2) Battery Selector Switch","description":"\u003ch2\u003eHigh-Current Battery Selector Switch for Marine \u0026amp; 4WD Dual-Battery Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea m-Series Mini 3 Position Battery Selector Switch\u003c\/strong\u003e is designed for dependable, high-current battery management where clear isolation and simple selection matter. In boats, caravans, camper trailers and 4WD touring vehicles, battery systems are often asked to support critical loads such as fridges, lighting, comms, bilge pumps, winches and inverters. This switch provides a straightforward way to choose which battery supplies your DC system, or to shut the system down completely when you’re storing the vessel or working on the electrical system.\u003c\/p\u003e\n\n\u003cp\u003eWith \u003cstrong\u003eOFF \/ 1 \/ 2\u003c\/strong\u003e positions, it helps you manage two battery banks with confidence: run house loads from one battery, preserve a second battery for starting, or change over to a healthier battery if one is low. The compact “mini” footprint is particularly useful when space is limited behind a helm, in a console, in a battery compartment, or in a 4WD canopy electrical panel.\u003c\/p\u003e\n\n\u003ch2\u003eDesigned to Reduce Electrical Loss and Resist Corrosion\u003c\/h2\u003e\n\u003cp\u003eVoltage drop and corrosion are common causes of poor performance in marine and mobile power systems—especially in Australian coastal environments. This switch is built around \u003cstrong\u003etin-plated copper studs\u003c\/strong\u003e that support strong conductivity while improving resistance to corrosion. That means more of your available battery power reaches your loads, and connections stay serviceable for longer in harsh conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eone-piece terminal stud design\u003c\/strong\u003e is engineered to minimise the chance of loosening over time. In applications subject to vibration—such as off-road touring, trailer mounting, or pounding seas—secure terminations help maintain consistent power delivery and reduce intermittent faults that can be difficult to diagnose.\u003c\/p\u003e\n\n\u003ch2\u003eSafer Isolation and Cleaner Installs\u003c\/h2\u003e\n\u003cp\u003eIsolation is more than convenience; it’s a practical safety measure. Switching to \u003cstrong\u003eOFF\u003c\/strong\u003e allows you to disconnect the battery from your load circuits when the system is unattended, when you’re performing maintenance, or when you want to reduce the chance of accidental drain. It can also assist with troubleshooting by letting you isolate a battery or circuit group quickly.\u003c\/p\u003e\n\n\u003cp\u003eThe rear of the switch is protected by an \u003cstrong\u003eisolating cover\u003c\/strong\u003e that helps shield live contacts from accidental shorts. Its snap-off side sections are designed to improve cable routing flexibility, making it easier to run heavy battery cabling neatly in the direction that best suits your installation—helpful when you’re working in tight marine lockers, battery boxes, or compact 12V distribution areas.\u003c\/p\u003e\n\n\u003ch2\u003eWhere This 3 Position Battery Switch Fits Best\u003c\/h2\u003e\n\u003cp\u003eThis style of battery selector switch is commonly used as part of a \u003cstrong\u003emarine battery switch\u003c\/strong\u003e setup or a \u003cstrong\u003edual battery system\u003c\/strong\u003e where you want direct, manual control over battery selection. It suits many typical Australian applications, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoat starting and house battery separation (OFF\/1\/2 selection)\u003c\/li\u003e\n  \u003cli\u003eCaravan and camper trailer auxiliary power changeover\u003c\/li\u003e\n  \u003cli\u003e4WD touring canopies and drawer systems with two battery banks\u003c\/li\u003e\n  \u003cli\u003eSmall commercial marine, tinnies, runabouts and centre consoles needing compact switching\u003c\/li\u003e\n  \u003cli\u003eWork vehicles requiring a simple battery isolation method for storage or servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 position selector\u003c\/strong\u003e for straightforward OFF\/1\/2 battery control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300A continuous rating\u003c\/strong\u003e to support high-demand DC systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTin-plated copper studs\u003c\/strong\u003e for high conductivity and improved corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-piece terminal stud design\u003c\/strong\u003e to help maintain reliable connections over time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolating rear cover\u003c\/strong\u003e with configurable cable access to support safer, cleaner wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose Blue Sea Systems for Battery Switching?\u003c\/h2\u003e\n\u003cp\u003eBattery switches are often installed and forgotten—until the day they’re needed to isolate a fault, preserve starting power, or shut down a system quickly. Blue Sea Systems is widely specified in marine electrical builds because its components are designed for demanding DC environments, where vibration, humidity and salt exposure are normal. Choosing a switch built for these conditions can reduce ongoing maintenance and help keep your power system predictable, especially across long trips and seasonal storage.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes (Practical Considerations)\u003c\/h2\u003e\n\u003cp\u003eFor best results, battery switching should be planned as part of the overall DC layout: cable sizing, termination quality, and secure mounting all affect performance. Ensure your load requirements match the switch’s current capability, use correctly crimped ring terminals, and route cables to minimise strain on studs. If you’re integrating the switch into a marine system, consider professional advice to align with common marine wiring practices and applicable safety expectations.\u003c\/p\u003e\n\n\u003ch2\u003eReliable Manual Control for Two-Battery Power Systems\u003c\/h2\u003e\n\u003cp\u003eIf you’re looking for a compact, high-current \u003cstrong\u003ebattery selector switch\u003c\/strong\u003e that supports clean wiring and dependable operation, the Blue Sea 300A Black Mini m-Series OFF\/1\/2 switch is a proven option for marine, caravan and 4WD electrical systems. It delivers practical battery isolation and selection in a format that suits space-conscious installs—ideal for Australian conditions where corrosion resistance and vibration durability are important.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":45611879628949,"sku":"BS-6008200","price":89.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/mini-m-series-battery-selector-switch-bs-6008200.png?v=1777560931"},{"product_id":"blue-sea-300a-3-position-battery-selector-switch","title":"Blue Sea 300A Red Mini m-Series 3 Position (OFF\/1\/2) Battery Selector Switch","description":"\u003ch2\u003eBlue Sea m-Series 3 Position Battery Selector Switch\u003c\/h2\u003e\u003cp\u003eThe Blue Sea m-Series 3 Position Battery Selector Switch is a compact, high-current DC battery switch designed for selecting between two isolated battery inputs and an off position. With its red knob, clear Off, 1 and 2 operation, and 300A continuous current rating, it is well suited to marine, RV, 4WD canopy, service vehicle and compact auxiliary battery installations where a robust manual selector is preferred.\u003c\/p\u003e\u003cp\u003eThis model is the Blue Sea 6008, a red selector switch from the m-Series manual battery switch range. It provides three switch positions, two battery inputs and no battery combine function, making it suitable where the requirement is to choose battery bank 1 or battery bank 2 to supply loads rather than paralleling both banks.\u003c\/p\u003e\u003ch3\u003eBuilt for High-Current DC Battery Switching\u003c\/h3\u003e\u003cp\u003eThe 6008 is rated for a maximum voltage of 32V DC and has a 300A continuous rating, 500A intermittent rating for 5 minutes, and 900A starting rating for 30 seconds. That current capacity makes it a practical choice for many low-voltage DC systems using suitably sized cabling and correctly rated circuit protection.\u003c\/p\u003e\u003cp\u003eBlue Sea specifies tin-plated copper terminal studs for conductivity and corrosion resistance. The 3\/8 in - 16 studs suit M10 ring terminals, and the one-piece terminal stud design is intended to remain secure over time. Cable size to meet the stated ratings is 4\/0 AWG, with terminal stud torque specified at 120 in-lb, or 13.56 Nm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-position selector:\u003c\/strong\u003e Off, battery input 1 or battery input 2 operation for straightforward manual battery selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A continuous rating:\u003c\/strong\u003e Supports demanding DC battery switching applications when installed with cable sized to the rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32V DC maximum:\u003c\/strong\u003e Suitable for common 12V and 24V DC battery systems within the manufacturer’s voltage limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Manufacturer states it is safe for installation aboard gasoline powered boats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting:\u003c\/strong\u003e Case design allows surface or rear panel mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompact m-Series Design\u003c\/h3\u003e\u003cp\u003eThe m-Series format is designed to provide a compact switch footprint without stepping down to a light-duty battery isolator. Blue Sea states the case design allows surface or rear panel mounting, helping installers place the selector switch in battery compartments, electrical lockers, switch panels or other controlled mounting locations where access and cable routing are considered during system design.\u003c\/p\u003e\u003cp\u003eThe isolating rear cover design helps protect rear contacts and allows wire access from different directions. This is useful in tight installations where large battery cables need to be routed cleanly without excessive bend stress. Mounting holes accept #10 screws, and the manufacturer lists cable clearance for 4\/0 AWG cables as 1.12 in, or 28.45 mm.\u003c\/p\u003e\u003ch3\u003eFor Marine and Mobile Battery Management\u003c\/h3\u003e\u003cp\u003eThis switch is intended for manual battery management rather than automatic charging or voltage sensing. It suits applications where the operator needs a simple, physical battery selector for DC loads. In marine installations, it can form part of a properly designed battery switching system using the latest applicable standards, appropriately rated cabling, terminals, fusing and installation practices.\u003c\/p\u003e\u003cp\u003eManufacturer instructions state that positive battery power should be disconnected before installation, appliances should be turned off before turning the battery switch to OFF, and the switch should not be turned to OFF while the engine is running. Correct installation is important for high-current DC systems, especially where alternators, starter motors, charge sources and battery banks are involved.\u003c\/p\u003e\u003cp\u003eChoose the Blue Sea 6008 for a compact, clearly labelled red battery selector switch that provides dependable manual Off, 1 or 2 control for well-planned DC battery systems.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":47342457651349,"sku":"BS-6008","price":89.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/blue-sea-300a-battery-selector-switch-6008.webp?v=1787544489"},{"product_id":"exotronic-300a-red-4-position-off-1-2-1-2-battery-selector-switch","title":"Exotronic 300A Red 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch","description":"\u003ch2\u003eExotronic 300A Red 4-Position (OFF\/1\/2\/1+2) Battery Selector Switch \u003c\/h2\u003e\n\u003ch3\u003eSimple Control for Dual Battery Systems\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eExotronic 300A Red Battery Selector Switch\u003c\/strong\u003e gives you manual control over two battery banks from one compact switch. Select either battery to supply your connected equipment, combine both banks when your system permits it, or turn the output off. It’s a practical solution for dual battery setups in boats, caravans and 4WDs.\u003c\/p\u003e\n\u003ch3\u003eFour Positions for Flexible Power Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF:\u003c\/strong\u003e Disconnects both batteries from the switch’s common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Connects Battery 1 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Connects Battery 2 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1+2:\u003c\/strong\u003e Connects both batteries to the common output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe clearly marked red rotary knob makes it easy to see which position is selected. The \u003cstrong\u003e1+2\u003c\/strong\u003e setting provides a manual combine option for battery banks designed to be connected in parallel.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Marine and Mobile Installations\u003c\/h3\u003e\n\u003cp\u003eThe switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it suitable for appropriate marine installations where flammable vapours may be present. Its compact design provides accessible battery control without taking up unnecessary space in a boat, caravan or 4WD electrical setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour switch positions:\u003c\/strong\u003e OFF, 1, 2 and 1+2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A rating:\u003c\/strong\u003e For suitable high-current DC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Suitable for appropriate marine installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual battery selection:\u003c\/strong\u003e Choose which battery supplies the connected load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual combine option:\u003c\/strong\u003e Connect compatible battery banks when required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed rotary knob:\u003c\/strong\u003e Clear position markings for easy operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Suits space-conscious installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Exotronic 300A Red 4-Position Battery Selector Switch\u003c\/li\u003e\n\u003cli\u003e4x mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTake Control of Your Power\u003c\/h3\u003e\n\u003cp\u003eChoose the battery bank you need, combine banks when appropriate, and isolate the connected output when it’s time to switch off. The Exotronic 300A Red 4-Position Battery Selector Switch puts straightforward dual battery control at your fingertips.\u003c\/p\u003e","brand":"Exotronic","offers":[{"title":"Default Title","offer_id":47495315849365,"sku":"Exo-Sw-300-4PS-Rd","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/exotronic-300a-battery-selector-switch-red_35919c7e-8ce3-44c0-8a85-ee7d398a22da.webp?v=1790656709"},{"product_id":"exotronic-300a-black-4-position-off-1-2-1-2-battery-selector-switch","title":"Exotronic 300A Black 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch","description":"\u003ch2\u003eExotronic 300A Black 4 Position (OFF\/1\/2\/1+2) Battery Selector Switch (OFF\/1\/2\/1+2)\u003c\/h2\u003e\n\u003ch3\u003eSimple Control for Dual Battery Systems\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eExotronic 300A Black Battery Selector Switch\u003c\/strong\u003e gives you manual control over two battery banks from one compact switch. Select either battery to supply your connected equipment, combine both banks when your system permits it, or turn the output off. It’s a practical solution for dual battery setups in boats, caravans and 4WDs.\u003c\/p\u003e\n\u003ch3\u003eFour Positions for Flexible Power Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF:\u003c\/strong\u003e Disconnects both batteries from the switch’s common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Connects Battery 1 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Connects Battery 2 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1+2:\u003c\/strong\u003e Connects both batteries to the common output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe clearly marked black rotary knob makes it easy to see which position is selected. The \u003cstrong\u003e1+2\u003c\/strong\u003e setting provides a manual combine option for battery banks designed to be connected in parallel.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Marine and Mobile Installations\u003c\/h3\u003e\n\u003cp\u003eThe switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it suitable for appropriate marine installations where flammable vapours may be present. Its compact design provides accessible battery control without taking up unnecessary space in a boat, caravan or 4WD electrical setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour switch positions:\u003c\/strong\u003e OFF, 1, 2 and 1+2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A rating:\u003c\/strong\u003e For suitable high-current DC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Suitable for appropriate marine installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual battery selection:\u003c\/strong\u003e Choose which battery supplies the connected load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual combine option:\u003c\/strong\u003e Connect compatible battery banks when required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack rotary knob:\u003c\/strong\u003e Clear position markings for easy operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Suits space-conscious installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Exotronic 300A Black 4-Position Battery Selector Switch\u003c\/li\u003e\n\u003cli\u003e4x mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTake Control of Your Power\u003c\/h3\u003e\n\u003cp\u003eChoose the battery bank you need, combine banks when appropriate, and isolate the connected output when it’s time to switch off. The Exotronic 300A Black 4-Position Battery Selector Switch puts straightforward dual battery control at your fingertips.\u003c\/p\u003e","brand":"Exotronic","offers":[{"title":"Default Title","offer_id":47495316471957,"sku":"Exo-Sw-300-4PS-Bl","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/exotronic-300a-4-position-battery-selector-switch-front.webp?v=1790656029"},{"product_id":"exotronic-300a-black-3-position-off-1-2-battery-selector-switch","title":"Exotronic 300A Black 3 Position (OFF\/1\/2) Battery Selector Switch","description":"\u003ch2\u003eExotronic 300A Black 3-Position (OFF\/1\/2) Battery Selector Switch \u003c\/h2\u003e\n\u003ch3\u003eSimple Control for Two Battery Banks\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eExotronic 300A Black Battery Selector Switch\u003c\/strong\u003e lets you choose which of two battery banks supplies a connected load. Its three clearly marked positions give you direct manual control in a compact format suited to boats, caravans and 4WDs.\u003c\/p\u003e\n\u003ch3\u003eThree Positions for Straightforward Switching\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF:\u003c\/strong\u003e Disconnects both batteries from the switch’s common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Connects Battery 1 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Connects Battery 2 to the common output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis switch selects one battery bank at a time. It has \u003cstrong\u003eno battery combine position\u003c\/strong\u003e, making it suitable for systems where the two banks need to remain separate at the selector switch.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Marine and Mobile Installations\u003c\/h3\u003e\n\u003cp\u003eThe switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it suitable for appropriate marine installations where flammable vapours may be present. Its compact design provides accessible battery control without taking up unnecessary space in a boat, caravan or 4WD electrical setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree switch positions:\u003c\/strong\u003e OFF, 1 and 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A rating:\u003c\/strong\u003e For suitable high-current DC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Suitable for appropriate marine installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo battery inputs:\u003c\/strong\u003e Manually select which bank supplies the connected load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo combine position:\u003c\/strong\u003e Keeps the battery banks separate at the switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack rotary knob:\u003c\/strong\u003e Clear position markings for easy operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Suits space-conscious installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Exotronic 300A Black 3-Position Battery Selector Switch\u003c\/li\u003e\n\u003cli\u003e4x mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTake Control of Your Battery Selection\u003c\/h3\u003e\n\u003cp\u003eChoose Battery 1 or Battery 2 when you need it, then turn the connected output off when it’s time to isolate it. The Exotronic 300A Black 3-Position Battery Selector Switch offers straightforward manual control for a well-planned dual battery system.\u003c\/p\u003e","brand":"Exotronic","offers":[{"title":"Default Title","offer_id":47495316799637,"sku":"Exo-Sw-300-3PS-Bl","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/exotronic-300a-battery-selector-switch-front.webp?v=1790657128"},{"product_id":"exotronic-300a-red-3-position-off-1-2-battery-selector-switch","title":"Exotronic 300A Red 3 Position (OFF\/1\/2) Battery Selector Switch","description":"\u003ch2\u003eExotronic 300A Red 3-Position (OFF\/1\/2) Battery Selector Switch \u003c\/h2\u003e\n\u003ch3\u003eSimple Control for Two Battery Banks\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eExotronic 300A Red Battery Selector Switch\u003c\/strong\u003e lets you choose which of two battery banks supplies a connected load. Its three clearly marked positions give you direct manual control in a compact format suited to boats, caravans and 4WDs.\u003c\/p\u003e\n\u003ch3\u003eThree Positions for Straightforward Switching\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF:\u003c\/strong\u003e Disconnects both batteries from the switch’s common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Connects Battery 1 to the common output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Connects Battery 2 to the common output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis switch selects one battery bank at a time. It has \u003cstrong\u003eno battery combine position\u003c\/strong\u003e, making it suitable for systems where the two banks need to remain separate at the selector switch.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Marine and Mobile Installations\u003c\/h3\u003e\n\u003cp\u003eThe switch is \u003cstrong\u003eignition protected\u003c\/strong\u003e, making it suitable for appropriate marine installations where flammable vapours may be present. Its compact design provides accessible battery control without taking up unnecessary space in a boat, caravan or 4WD electrical setup.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree switch positions:\u003c\/strong\u003e OFF, 1 and 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300A rating:\u003c\/strong\u003e For suitable high-current DC systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition protected:\u003c\/strong\u003e Suitable for appropriate marine installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo battery inputs:\u003c\/strong\u003e Manually select which bank supplies the connected load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo combine position:\u003c\/strong\u003e Keeps the battery banks separate at the switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed rotary knob:\u003c\/strong\u003e Clear position markings for easy operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Suits space-conscious installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x 300A 3-position battery switch\u003c\/li\u003e\n\u003cli\u003e4x mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTake Control of Your Battery Selection\u003c\/h3\u003e\n\u003cp\u003eChoose Battery 1 or Battery 2 when you need it, then turn the connected output off when it’s time to isolate it. The Exotronic 300A Red 3-Position Battery Selector Switch offers straightforward manual control for a well-planned dual battery system.\u003c\/p\u003e","brand":"Exotronic","offers":[{"title":"Default Title","offer_id":47495316897941,"sku":"Exo-Sw-300-3PS-Rd","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/exotronic-300a-battery-selector-switch-red.webp?v=1790657622"}],"url":"https:\/\/www.exotronic.com.au\/collections\/battery-selector-switches.oembed?page=2","provider":"Exotronic","version":"1.0","type":"link"}