{"product_id":"big-12v-400w-led-rainproof-power-supply-smps-constant-voltage-led-driver-with-short-circuit-protection","title":"Big 12V 400W LED Rainproof Power Supply SMPS – Constant Voltage LED Driver with Short Circuit Protection","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThis \u003cstrong\u003eBig 12V 400W LED Rainproof SMPS Power Supply\u003c\/strong\u003e is a high-power constant voltage LED driver designed for \u003cstrong\u003e12V LED strip lights, LED modules, LED signage boards, advertisement boards, building lighting, decorative lighting, and outdoor protected lighting applications\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the \u003cstrong\u003ebig model 12V 400W rainproof power supply\u003c\/strong\u003e, suitable for higher-load LED lighting projects where stable output and better heat dissipation are required. The aluminium metal body helps reduce heat during continuous operation, and the rainproof design makes it suitable for protected outdoor and semi-outdoor installations.\u003c\/p\u003e\n\u003cp\u003eIt supports \u003cstrong\u003eAC 180V to 260V input\u003c\/strong\u003e and provides stable \u003cstrong\u003e12V DC constant voltage output\u003c\/strong\u003e. The power supply also includes safety protection features such as \u003cstrong\u003eshort circuit protection, overload protection, over-voltage protection, and over-current protection\u003c\/strong\u003e, making it suitable for professional LED lighting work.\u003c\/p\u003e\n\u003cp\u003ePlease note: \u003cstrong\u003esmall model 12V 400W LED rainproof power supply is also available as another product on our website\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eBig 12V 400W LED Rainproof SMPS Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRetena\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eR-400-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLED Rainproof Power Supply \/ SMPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eConstant Voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eApprox. 33A Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eAC 180V–260V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Type\u003c\/td\u003e\n\u003ctd\u003eAluminium Metal Body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign Type\u003c\/td\u003e\n\u003ctd\u003eRainproof \/ Waterproof Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Terminals\u003c\/td\u003e\n\u003ctd\u003eL, N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Terminals\u003c\/td\u003e\n\u003ctd\u003eLED+ \/ LED-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eShort circuit, overload, over-voltage, over-current protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eMetal heat-dissipation body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eLED strip, LED module, LED board, signage, advertisement lighting, building lighting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For\u003c\/td\u003e\n\u003ctd\u003e12V DC LED lighting projects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Size\u003c\/td\u003e\n\u003ctd\u003eBig Model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003eStable \u003cstrong\u003e12V DC constant voltage output\u003c\/strong\u003e.\u003cbr\u003eHigh-power \u003cstrong\u003e400W output\u003c\/strong\u003e suitable for LED lighting projects.\u003cbr\u003eSupports \u003cstrong\u003eAC 180V–260V input voltage\u003c\/strong\u003e.\u003cbr\u003eRainproof metal-body design for protected outdoor use.\u003cbr\u003eBuilt-in \u003cstrong\u003eshort circuit protection\u003c\/strong\u003e for safer operation.\u003cbr\u003eBig model design with better heat dissipation.\u003cbr\u003eSuitable for LED strips, LED modules, sign boards and advertisement lighting.\u003c\/p\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":48071045841054,"sku":null,"price":990.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/Untitled-01August2026at12.24.45_d8d7307a-b17e-4cbd-8032-43585b314954.jpg?v=1785572773","url":"https:\/\/majestronicz.in\/products\/big-12v-400w-led-rainproof-power-supply-smps-constant-voltage-led-driver-with-short-circuit-protection","provider":"MAJESTRONICZ","version":"1.0","type":"link"}