{"product_id":"blue-sea-spst-off-on-grey-contura-switch","title":"Blue Sea SPST OFF-(ON) Grey Contura Switch","description":"\u003ch2\u003eReliable Momentary Control for Marine and Off-Grid Electrical Panels\u003c\/h2\u003e\n\u003ch3\u003eEngineered for Harsh Environments and Water-Resistant Dashboards\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlue Sea Systems SPST OFF-(ON) Grey Contura Switch\u003c\/strong\u003e is purpose-built to deliver dependable momentary circuit control in demanding marine, automotive, and off-grid applications. Designed specifically for seamless integration into \u003cstrong\u003eBlue Sea Systems water-resistant panels\u003c\/strong\u003e, this switch provides tactile, responsive operation when you need temporary power activation. Note that parentheses in the OFF-(ON) rating indicate a momentary position, meaning the actuator springs back to the OFF state as soon as pressure is released.\u003c\/p\u003e\n\u003cp\u003eStandard electrical switches often fail prematurely when exposed to coastal air, heavy vibrations, or sudden temperature shifts. This marine-grade \u003cstrong\u003eContura rocker switch\u003c\/strong\u003e overcomes those common failure points through specialised engineering and robust sealing. Whether you are outfitting a new centre console boat, upgrading a caravan control board, or wiring a 4WD canopy, it ensures your critical accessories engage reliably every time.\u003c\/p\u003e\n\u003ch3\u003eCertified Ignition Protection for Maximum Safety\u003c\/h3\u003e\n\u003cp\u003eWhen wiring electrical components aboard petrol-powered vessels or near fuel storage areas, mitigating the risk of stray sparks is critical. This switch is fully ignition protected, meeting strict \u003cstrong\u003eUL 1500 and ISO 8846 standards\u003c\/strong\u003e. The sealed mounting body prevents internal electrical arcs from igniting surrounding flammable vapours, making it safe for installation in boat bilges, engine compartments, and enclosed utility spaces.\u003c\/p\u003e\n\u003ch3\u003eBuilt to Withstand the Elements\u003c\/h3\u003e\n\u003cp\u003eConstructed with a flexible mounting gasket and a rugged thermoplastic housing, this \u003cstrong\u003emomentary rocker switch\u003c\/strong\u003e actively resists moisture ingress and corrosive salt spray. Its internal mechanism is engineered to endure constant mechanical stress, offering exceptional resistance to vibration and shock when travelling over rough seas or corrugated outback tracks. It also withstands thermoshock, maintaining structural and electrical integrity across rapid temperature fluctuations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMomentary OFF-(ON) Operation:\u003c\/strong\u003e Ideal for circuits requiring temporary engagement such as horns, windlasses, bilge pump overrides, or engine starters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Ignition Protection:\u003c\/strong\u003e Complies with UL 1500 and ISO 8846 requirements for safe installation aboard petrol-powered boats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Resilience:\u003c\/strong\u003e Tested to resist salt spray, moisture, thermoshock, and heavy vibration in exposed helm stations or off-road vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Grey Actuator:\u003c\/strong\u003e Features a Contura-style textured grip for confident, slip-free operation in wet conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Panel Integration:\u003c\/strong\u003e Locks securely into Blue Sea Systems water-resistant custom and pre-configured panels using standard rear terminal blades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVersatile Applications for Momentary Switching\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003eSingle Pole Single Throw (SPST) momentary switch\u003c\/strong\u003e is an essential component for any custom dashboard or power distribution panel. Because the circuit only remains closed while the operator holds the actuator down, it prevents accidental continuous operation of high-draw or temporary-use equipment. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Vessels:\u003c\/strong\u003e Activating marine horns, screen washers, trim tabs, or manual bilge pump tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4WD and Automotive:\u003c\/strong\u003e Controlling air compressor purge valves, starter relays, or auxiliary warning signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and Off-Grid:\u003c\/strong\u003e Momentary reset switches for inverters, generator start circuits, or system diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUpgrade Your Electrical Panel with Confidence\u003c\/h3\u003e\n\u003cp\u003eEquip your vessel or vehicle with switching hardware designed to survive the toughest Australian conditions. Add the Blue Sea SPST OFF-(ON) Grey Contura Switch to your project today for safe, responsive, and long-lasting circuit control.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":43631763521597,"sku":"BS-8231B","price":24.71,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/3918\/3933\/files\/blue-sea-grey-contura-rocker-switch-spst-bs-8231b.png?v=1792905918","url":"https:\/\/www.solar4rvs.com.au\/products\/blue-sea-spst-off-on-grey-contura-switch","provider":"Solar 4 RVs","version":"1.0","type":"link"}