{"product_id":"sma-sunny-boy-sb-4000tl-20-4-kw-string-inverter-dual-mppt-single-phase-ip65-transformerless","title":"SMA Sunny Boy SB 4000TL-20 | 4 kW String Inverter | Dual MPPT | Single-Phase | IP65 | Transformerless","description":"\u003cp data-start=\"117\" data-end=\"512\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"131\" data-end=\"147\" style=\"font-size: 0.875rem;\"\u003eNew product.\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e The \u003c\/span\u003e\u003cstrong data-start=\"152\" data-end=\"182\" style=\"font-size: 0.875rem;\"\u003eSMA Sunny Boy SB 4000TL-20\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e is a single-phase grid-connected photovoltaic inverter designed for residential and small commercial solar installations. Featuring the advanced Transformerless technology developed by SMA Solar Technology AG, this model offers high energy conversion efficiency, outstanding operational reliability, and exceptional flexibility in photovoltaic string configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"9d114430-65f0-405c-b0fb-069025fe462c\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"9d114430-65f0-405c-b0fb-069025fe462c\" data-turn-id-container=\"9d114430-65f0-405c-b0fb-069025fe462c\" data-testid=\"conversation-turn-552\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"03f7e7ee-1d30-4cf3-990c-9ea443b36704\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"550\" data-end=\"977\"\u003eEquipped with \u003cstrong data-start=\"564\" data-end=\"620\"\u003etwo independent MPPTs (Maximum Power Point Trackers)\u003c\/strong\u003e, the inverter enables the separate management of two photovoltaic strings, making it particularly suitable for installations with different module orientations, tilt angles, or partial shading conditions. Its wide MPPT voltage range further enhances system design versatility and maximizes photovoltaic energy production under varying operating conditions.\u003c\/p\u003e\n\u003cp data-start=\"979\" data-end=\"1280\"\u003eThe \u003cstrong data-start=\"983\" data-end=\"1009\"\u003eIP65 protection rating\u003c\/strong\u003e allows both indoor and outdoor installation, while the passive cooling system, utilizing a high-efficiency aluminum heat sink without primary cooling fans, ensures silent operation, long-term reliability, and reduced maintenance requirements throughout its service life.\u003c\/p\u003e\n\u003ch3 data-start=\"1282\" data-end=\"1314\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1286\" data-end=\"1314\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"1316\" data-end=\"1333\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1333\"\u003eDC Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1335\" data-end=\"1519\"\u003e\n\u003cli data-start=\"1335\" data-end=\"1378\"\u003eMaximum DC Input Voltage (VDC max): 550 V\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1425\"\u003eMPPT Voltage Range (VDC MPP): 125 – 440 V DC\u003c\/li\u003e\n\u003cli data-start=\"1426\" data-end=\"1472\"\u003eMaximum DC Input Current (IDC max): 2 × 15 A\u003c\/li\u003e\n\u003cli data-start=\"1473\" data-end=\"1519\"\u003eNumber of MPPT Trackers: 2 Independent MPPTs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1521\" data-end=\"1539\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1526\" data-end=\"1539\"\u003eAC Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1541\" data-end=\"1736\"\u003e\n\u003cli data-start=\"1541\" data-end=\"1585\"\u003eNominal AC Output Voltage (VAC nom): 230 V\u003c\/li\u003e\n\u003cli data-start=\"1586\" data-end=\"1622\"\u003eNominal Grid Frequency: 50 \/ 60 Hz\u003c\/li\u003e\n\u003cli data-start=\"1623\" data-end=\"1666\"\u003eNominal AC Output Power (PAC nom): 4000 W\u003c\/li\u003e\n\u003cli data-start=\"1667\" data-end=\"1710\"\u003eNominal AC Output Current (IAC nom): 18 A\u003c\/li\u003e\n\u003cli data-start=\"1711\" data-end=\"1736\"\u003ePower Factor (cos φ): 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1738\" data-end=\"1769\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1743\" data-end=\"1769\"\u003eGeneral Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-start=\"1771\" data-end=\"2150\"\u003e\n\u003cli data-start=\"1771\" data-end=\"1806\"\u003eModel: SMA Sunny Boy SB 4000TL-20\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1846\"\u003eManufacturer: SMA Solar Technology AG\u003c\/li\u003e\n\u003cli data-start=\"1847\" data-end=\"1909\"\u003eInverter Type: Single-Phase On-Grid Transformerless Inverter\u003c\/li\u003e\n\u003cli data-start=\"1910\" data-end=\"1956\"\u003eNumber of MPPT Trackers: 2 Independent MPPTs\u003c\/li\u003e\n\u003cli data-start=\"1957\" data-end=\"1982\"\u003eProtection Rating: IP65\u003c\/li\u003e\n\u003cli data-start=\"1983\" data-end=\"2055\"\u003eCooling System: Passive Cooling via High-Efficiency Aluminum Heat Sink\u003c\/li\u003e\n\u003cli data-start=\"2056\" data-end=\"2088\"\u003eInstallation: Indoor \/ Outdoor\u003c\/li\u003e\n\u003cli data-start=\"2089\" data-end=\"2116\"\u003eApproximate Weight: 25 kg\u003c\/li\u003e\n\u003cli data-start=\"2117\" data-end=\"2150\"\u003eCountry of Manufacture: Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2152\" data-end=\"2172\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2156\" data-end=\"2172\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2174\" data-end=\"2834\"\u003e\n\u003cli data-start=\"2174\" data-end=\"2218\"\u003eHigh-efficiency Transformerless technology\u003c\/li\u003e\n\u003cli data-start=\"2219\" data-end=\"2295\"\u003eTwo independent MPPT trackers for optimized photovoltaic string management\u003c\/li\u003e\n\u003cli data-start=\"2296\" data-end=\"2381\"\u003e4 kW nominal output power, ideal for residential and small commercial installations\u003c\/li\u003e\n\u003cli data-start=\"2382\" data-end=\"2459\"\u003eWide MPPT voltage range for enhanced photovoltaic system design flexibility\u003c\/li\u003e\n\u003cli data-start=\"2460\" data-end=\"2529\"\u003eIP65 protection rating suitable for indoor and outdoor applications\u003c\/li\u003e\n\u003cli data-start=\"2530\" data-end=\"2594\"\u003eHighly reliable passive cooling system with aluminum heat sink\u003c\/li\u003e\n\u003cli data-start=\"2595\" data-end=\"2651\"\u003eIntegrated display for monitoring operating parameters\u003c\/li\u003e\n\u003cli data-start=\"2652\" data-end=\"2707\"\u003ePremium German engineering by SMA Solar Technology AG\u003c\/li\u003e\n\u003cli data-start=\"2708\" data-end=\"2764\"\u003eSilent operation with reduced maintenance requirements\u003c\/li\u003e\n\u003cli data-start=\"2765\" data-end=\"2834\"\u003eDesigned for continuous and reliable photovoltaic energy conversion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2836\" data-end=\"2862\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2840\" data-end=\"2862\"\u003eIdeal Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2864\" data-end=\"3238\"\u003e\n\u003cli data-start=\"2864\" data-end=\"2911\"\u003eSingle-phase residential photovoltaic systems\u003c\/li\u003e\n\u003cli data-start=\"2912\" data-end=\"2957\"\u003eSmall commercial photovoltaic installations\u003c\/li\u003e\n\u003cli data-start=\"2958\" data-end=\"3014\"\u003eSystems utilizing two independent photovoltaic strings\u003c\/li\u003e\n\u003cli data-start=\"3015\" data-end=\"3078\"\u003eOutdoor installations requiring IP65 environmental protection\u003c\/li\u003e\n\u003cli data-start=\"3079\" data-end=\"3150\"\u003eReplacement and retrofit of compatible SMA Sunny Boy series inverters\u003c\/li\u003e\n\u003cli data-start=\"3151\" data-end=\"3238\"\u003eApplications requiring high energy efficiency and outstanding operational reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"3240\" data-end=\"3264\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3244\" data-end=\"3264\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3266\" data-end=\"3346\"\u003e\n\u003cli data-start=\"3266\" data-end=\"3346\"\u003eSMA Sunny Boy SB 4000TL-20 Photovoltaic Inverter (as shown in the photographs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"3348\" data-end=\"3373\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3352\" data-end=\"3373\"\u003eProduct Condition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3375\" data-end=\"3533\"\u003e\n\u003cli data-start=\"3375\" data-end=\"3388\"\u003eNew product\u003c\/li\u003e\n\u003cli data-start=\"3389\" data-end=\"3437\"\u003eCosmetic condition as shown in the photographs\u003c\/li\u003e\n\u003cli data-start=\"3438\" data-end=\"3533\"\u003eCompatibility with the destination photovoltaic system should be verified before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"3535\" data-end=\"3557\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3539\" data-end=\"3557\"\u003eImportant Note\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3559\" data-end=\"4016\"\u003eBefore installation, please verify the compatibility of the \u003cstrong data-start=\"3619\" data-end=\"3649\"\u003eSMA Sunny Boy SB 4000TL-20\u003c\/strong\u003e with the electrical characteristics of the photovoltaic system, including the \u003cstrong data-start=\"3728\" data-end=\"3764\"\u003emaximum DC input voltage (550 V)\u003c\/strong\u003e, the \u003cstrong data-start=\"3770\" data-end=\"3811\"\u003eMPPT operating range (125 – 440 V DC)\u003c\/strong\u003e, and the applicable AC grid requirements. Installation and commissioning should be performed by qualified personnel in accordance with local electrical regulations and photovoltaic installation standards.\u003c\/p\u003e\n\u003cp data-start=\"4018\" data-end=\"4327\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe \u003cstrong data-start=\"4022\" data-end=\"4052\"\u003eSMA Sunny Boy SB 4000TL-20\u003c\/strong\u003e combines \u003cstrong data-start=\"4062\" data-end=\"4094\"\u003e4 kW of nominal output power\u003c\/strong\u003e, \u003cstrong data-start=\"4096\" data-end=\"4120\"\u003eDual MPPT technology\u003c\/strong\u003e, \u003cstrong data-start=\"4122\" data-end=\"4154\"\u003eTransformerless architecture\u003c\/strong\u003e, and SMA's renowned German engineering, delivering excellent efficiency, installation flexibility, and long-term reliability for modern grid-connected photovoltaic systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"3285\" data-end=\"3707\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e \u003c\/p\u003e","brand":"SMA","offers":[{"title":"Default Title","offer_id":54376611709261,"sku":null,"price":450.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/c2960617-7422-4150-b154-ae476afd2f4a.png?v=1784819570","url":"https:\/\/greenenergy-repair.com\/bg\/products\/sma-sunny-boy-sb-4000tl-20-4-kw-string-inverter-dual-mppt-single-phase-ip65-transformerless","provider":"Green Energy","version":"1.0","type":"link"}