{"product_id":"blue-sea-contura-spdt-on-off-on-switch","title":"Blue Sea Contura SPDT ON-OFF-ON Switch","description":"\u003ch2\u003eHeavy-Duty 3-Way Circuit Control for Marine and Off-Grid Electrical Systems\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Harsh Environments and Reliable Battery Management\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea Contura SPDT ON-OFF-ON Switch\u003c\/strong\u003e delivers dependable, three-position circuit control for demanding marine, automotive, and off-grid applications. Designed with a Single-Pole Double-Throw (SPDT) configuration, this rocker switch features a clearly defined centre-off position flanked by two active ON positions. Featuring a distinct matte red actuator marked with intuitive battery parallel and isolation symbols, it serves as an ideal dash-mounted remote control for automatic charging relays (ACRs), dual battery systems, and specialised auxiliary loads.\u003c\/p\u003e\n\u003cp\u003eStandard switches often fail prematurely when exposed to the constant mechanical stress and corrosive elements of marine and off-road travel. This Blue Sea Systems Contura switch is specifically built to mitigate the risks of electrical failure, contact corrosion, and accidental circuit engagement in high-vibration dashboards and open helm stations.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt to Withstand Extreme Conditions\u003c\/h3\u003e\n\u003cp\u003eWhether mounted on an exposed boat console or inside a touring 4WD cabin, electrical components must endure rapid temperature changes and constant physical impact. The Contura series is rigorously tested to resist environmental degradation, ensuring long-term operational integrity where lesser switches corrode or seize.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Pole Double-Throw (SPDT) Configuration:\u003c\/strong\u003e Effortlessly switch a single input between two distinct outputs, or manage multi-state relays with a reliable ON-OFF-ON sequence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive Battery Management Actuator:\u003c\/strong\u003e The red rocker face features clear laser-etched icons for parallel battery operation (upper position) and isolated battery circuits (lower position).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Sealing:\u003c\/strong\u003e Built to resist moisture and salt spray, reducing the risk of internal short circuits in coastal and marine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Durability:\u003c\/strong\u003e Engineered to withstand continuous vibration and physical shock from rough seas or corrugated outback tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermoshock Resistant:\u003c\/strong\u003e Maintains structural and electrical integrity across rapid ambient temperature fluctuations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardised Connectivity:\u003c\/strong\u003e Rear blade terminals allow for straightforward integration into standard marine and automotive wiring harnesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVersatile Applications Across Marine and Mobile Setups\u003c\/h3\u003e\n\u003cp\u003eThe positive tactile feedback of the Contura rocker ensures operators can confirm switch states by feel alone, an essential safety benefit when navigating at night or in rough conditions. Its robust construction makes it suitable for a wide variety of custom switch panels and OEM replacements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemote override control for Blue Sea Systems ML-Series Automatic Charging Relays (ACRs) and battery switches\u003c\/li\u003e\n\u003cli\u003eManaging dual battery states (Combine, Off, Isolate) directly from the helm or driver's seat\u003c\/li\u003e\n\u003cli\u003eControlling two-speed equipment such as windscreen wipers, bilge blowers, or ventilation fans\u003c\/li\u003e\n\u003cli\u003eSwitching between dual navigation light configurations (e.g. Anchor Lights vs Running Lights)\u003c\/li\u003e\n\u003cli\u003eSelecting between primary and auxiliary fuel tank gauges or transfer pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUpgrade Your Control Panel with Confidence\u003c\/h3\u003e\n\u003cp\u003eEnsure your critical electrical circuits remain operational when you need them most. Integrate the Blue Sea Contura SPDT ON-OFF-ON Switch into your vessel or vehicle dashboard for professional-grade circuit management built for Australian conditions.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631454191677,"sku":"BS-2146B","price":43.25,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-contura-spdt-rocker-switch-bs-2146b.png?v=1792905563","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-contura-spdt-on-off-on-switch","provider":"Solar 4 RVs","version":"1.0","type":"link"}