{"product_id":"2-to-1-y-branch-solar-mc4-connector-pair","title":"2 to 1 'Y' Branch Solar MC4 Connector Pair","description":"\u003cp\u003e\u003cspan\u003eThe Exotronic 2 to 1 Y Branch Solar Connector Pair provides a simple way to connect two compatible solar panels in parallel and combine them into a single positive and negative output pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is useful when expanding a 4WD, caravan, camper or off grid solar system where two panels need to feed the same solar regulator while keeping the array voltage approximately the same and increasing the available current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pair uses MC4 compatible 4mm solar connectors with tin plated copper alloy contacts and weather resistant PC\/PA housings for permanent outdoor installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eConnect Two Solar Panels in Parallel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Y branch pair combines two positive panel connections into one positive output and two negative connections into one negative output. \u003c\/span\u003e\u003cspan\u003eIn a parallel solar connection, panel voltage remains approximately the same while current is combined. For example, two matching panels producing 5A each can supply approximately 10A to the regulator under suitable conditions. \u003c\/span\u003e\u003cspan\u003eThe panels should have closely matched electrical characteristics, particularly Vmp and Voc, and the combined array current must remain within the limits of the cabling, connectors and solar controller.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMC4 Compatible Connection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe connectors use the common 4mm solar connector format and are designed to connect with compatible MC4 style solar leads. \u003c\/span\u003e\u003cspan\u003eThis makes them useful for adding a second panel without cutting into existing panel leads or building a custom branch harness. \u003c\/span\u003e\u003cspan\u003eAs with any solar connection, make sure all mating connectors are clean, undamaged and fully locked together before energising the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRated for Outdoor Solar Installations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhen correctly mated, the connectors are rated IP67 for protection against dust and water ingress. \u003c\/span\u003e\u003cspan\u003eThe housings use UV resistant PC\/PA insulation, while the internal contacts are manufactured from tin plated copper alloy to provide good conductivity and corrosion resistance. \u003c\/span\u003e\u003cspan\u003eThe connectors are also rated for salt mist exposure, making them suitable for caravan, 4WD, coastal and marine-adjacent installations when used within their specified limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUp to 1000V DC\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe connector pair is rated for solar systems up to 1000V DC under IEC specifications. \u003c\/span\u003e\u003cspan\u003eMaximum current depends on the conductor size used in the connected solar cables:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e17A with 1.5mm² cable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e22A with 2.5mm² cable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e30A with 4mm² or 6mm² cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe complete solar circuit should always be sized around the lowest rated component in the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSolar System Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAdding a second panel in parallel increases the current presented to the solar regulator, so regulator sizing should be checked before making the change. \u003c\/span\u003e\u003cspan\u003eFor best performance, parallel panels should normally have closely matched operating voltages. Connecting panels with significantly different Vmp values can prevent the array from operating efficiently. \u003c\/span\u003e\u003cspan\u003eAppropriate solar fusing may also be required depending on the number of parallel strings, panel specifications and overall system design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e1 × Positive 2 to 1 Y Branch Connector\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 × Negative 2 to 1 Y Branch Connector\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShipping Australia Wide\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOrders are dispatched quickly from Australia. Questions? Hit us up, we're 4WDers too and happy to help.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 id=\"specifications\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eElectrical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e2 to 1 Parallel Solar Branch Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e1000V DC (IEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current with 1.5mm² Cable\u003c\/td\u003e\n\u003ctd\u003e17A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current with 2.5mm² \/ 14AWG Cable\u003c\/td\u003e\n\u003ctd\u003e22A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current with 4mm² \/ 12AWG Cable\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current with 6mm² \/ 10AWG Cable\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Resistance\u003c\/td\u003e\n\u003ctd\u003e0.5mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Voltage\u003c\/td\u003e\n\u003ctd\u003e6kV, 50Hz for 1 Minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Class\u003c\/td\u003e\n\u003ctd\u003eClass II\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eConnector \u0026amp; Construction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eMC4 Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector System\u003c\/td\u003e\n\u003ctd\u003eØ4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eCopper Alloy, Tin Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Material\u003c\/td\u003e\n\u003ctd\u003ePC \/ PA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking System\u003c\/td\u003e\n\u003ctd\u003eSnap In\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Class\u003c\/td\u003e\n\u003ctd\u003eUL94-V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEnvironmental\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating When Mated\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating When Unmated\u003c\/td\u003e\n\u003ctd\u003eIP2X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper Temperature Limit\u003c\/td\u003e\n\u003ctd\u003e+105°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSalt Mist Resistance\u003c\/td\u003e\n\u003ctd\u003eSeverity Degree 5 to IEC 60068-2-52\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eAdditional Information\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eExotronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ MPN\u003c\/td\u003e\n\u003ctd\u003eExo-PV-MDY2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode \/ GTIN\u003c\/td\u003e\n\u003ctd\u003e9361784001326\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Weight\u003c\/td\u003e\n\u003ctd\u003e0.12kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e8536698000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Exotronic","offers":[{"title":"Default Title","offer_id":50748362457174,"sku":"Exo-PV-MDY2","price":15.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/1329\/3398\/files\/Screenshot2026-10-19214057.png?v=1792406618","url":"https:\/\/www.northadventures.com.au\/products\/2-to-1-y-branch-solar-mc4-connector-pair","provider":"North Adventures","version":"1.0","type":"link"}