{"product_id":"blue-sea-double-pole-double-throw-contura-switch-on-off-on-black","title":"Blue Sea Double-Pole Double-Throw Contura Switch, (ON)OFF(ON), Black","description":"\u003ch2\u003ePrecision Momentary Switching for Harsh Marine and Off-Grid Environments\u003c\/h2\u003e\u003cp\u003eManaging complex electrical systems in demanding environments requires hardware that will not fail when exposed to the elements. The \u003cstrong\u003eBlue Sea Systems Contura Switch\u003c\/strong\u003e with a \u003cstrong\u003eDouble-Pole Double-Throw (DPDT)\u003c\/strong\u003e configuration and \u003cstrong\u003e(ON)OFF(ON) momentary action\u003c\/strong\u003e is engineered specifically for high-reliability control in marine vessels, 4WDs, caravans, and industrial off-grid setups. Designed to integrate into \u003cstrong\u003eBlue Sea Systems water-resistant panels\u003c\/strong\u003e, this black rocker switch provides tactile, dependable operation for equipment requiring temporary activation in two directions.\u003c\/p\u003e\u003ch3\u003eUnderstanding DPDT (ON)OFF(ON) Momentary Control\u003c\/h3\u003e\u003cp\u003eIn electrical terminology, parenthesis around a switch position indicate a momentary action. An \u003cstrong\u003e(ON)OFF(ON) switch\u003c\/strong\u003e rests in the central OFF position and only completes the circuit while actively held in either of the outer ON positions. Once released, the internal spring mechanism immediately returns the actuator to the centre OFF state. This functionality is critical for preventing accidental continuous operation of heavy-duty motors and actuators.\u003c\/p\u003e\u003cp\u003eBecause this unit is a \u003cstrong\u003eDPDT (Double-Pole Double-Throw)\u003c\/strong\u003e switch, it features six rear male quick-connect spade terminals capable of controlling two separate circuits simultaneously, or reversing polarity on a single DC motor. This makes it the standard choice for a wide range of reversible and dual-circuit applications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnchor Windlasses and Winches:\u003c\/strong\u003e Safely control up and down deployment without the risk of leaving the motor engaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic and Electric Trim Tabs:\u003c\/strong\u003e Make precise, momentary adjustments to vessel attitude while underway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Hatch Lifters and Linear Actuators:\u003c\/strong\u003e Easily wire for polarity reversal to extend and retract rams on boats, camper trailers, and utility vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Wiper or Washer Systems:\u003c\/strong\u003e Momentarily trigger secondary fluid pumps or synchronized mechanical sweeps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineered for Marine Safety and Extreme Durability\u003c\/h3\u003e\u003cp\u003eStandard automotive switches often succumb to corrosion, contact failure, and seal degradation when exposed to coastal air or washdowns. This genuine Blue Sea Systems Contura switch is built to withstand extreme environmental stressors, reducing the risk of short circuits and premature component failure. It features an integrated gasket that creates a watertight seal when mounted into compatible water-resistant panels.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Ignition Protection:\u003c\/strong\u003e Meets stringent UL 1500 and ISO 8846 standards, meaning it will not ignite surrounding flammable vapours. This makes it safe for installation in the engine rooms and bilge areas of petrol-powered boats, as well as near LPG storage in caravans.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Resistance:\u003c\/strong\u003e Rigorously tested to endure continuous vibration, mechanical shock, and thermoshock (rapid temperature fluctuations).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Defence:\u003c\/strong\u003e Constructed to resist moisture ingress and heavy salt spray, ensuring long-term electrical continuity in open cockpits and flybridges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Actuator:\u003c\/strong\u003e The black plastic rocker features raised horizontal grip grooves, providing positive tactile feedback even when operated with wet hands or gloves.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUpgrade Your Control Panel with Confidence\u003c\/h3\u003e\u003cp\u003eWhether you are replacing a worn actuator in an existing Blue Sea Systems water-resistant panel or designing a custom helm or 12V\/24V canopy control board from scratch, choosing marine-grade switching hardware protects your broader electrical investment. Secure your \u003cstrong\u003eBlue Sea DPDT (ON)OFF(ON) Contura Switch\u003c\/strong\u003e today to ensure safe, responsive momentary control for your vessel or off-grid vehicle.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631782232125,"sku":"BS-8290B","price":37.06,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-dpdt-on-off-on-contura-switch-bs-8290b.png?v=1792905678","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-double-pole-double-throw-contura-switch-on-off-on-black","provider":"Solar 4 RVs","version":"1.0","type":"link"}