{"product_id":"sma-sunny-island-x-50-20-50-kw-si50-20","title":"SMA Sunny Island X 50-20, 50 kW - SI50-20","description":"\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:wght@400;500;600;700\u0026display=swap');\n.sv-product{font-family:'DM Sans',sans-serif;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.6}\n.sv-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}\n@media(max-width:600px){.sv-stats{grid-template-columns:repeat(2,1fr)}}\n.sv-stat{background:#0c0c0c;border-radius:12px;padding:20px 16px;text-align:center}\n.sv-stat-val{font-size:28px;font-weight:700;color:#fff;line-height:1.1}\n.sv-stat-val span{font-size:16px;font-weight:400;color:rgba(255,255,255,0.5)}\n.sv-stat-label{font-size:12px;color:rgba(255,255,255,0.4);margin-top:6px}\n.sv-section{margin-bottom:28px}\n.sv-section-title{font-size:18px;font-weight:700;color:#0c0c0c;margin:0 0 16px;padding-left:14px;border-left:3px solid #dc2626}\n.sv-features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}\n@media(max-width:600px){.sv-features{grid-template-columns:1fr}}\n.sv-feature{background:#f8f8f8;border-radius:12px;padding:20px;display:flex;align-items:flex-start;gap:14px}\n.sv-feature-icon{min-width:40px;height:40px;border-radius:10px;background:rgba(220,38,38,0.08);display:flex;align-items:center;justify-content:center;font-size:18px;color:#dc2626}\n.sv-feature h4{font-size:14px;font-weight:600;color:#1a1a1a;margin:0 0 4px}\n.sv-feature p{font-size:13px;color:#666;margin:0;line-height:1.5}\n.sv-table-wrap{border:1px solid #e5e5e5;border-radius:12px;overflow:hidden}\n.sv-table{width:100%;border-collapse:collapse;font-size:14px}\n.sv-table thead th{background:#0c0c0c;color:#fff;font-weight:600;padding:14px 18px;text-align:left;font-size:13px}\n.sv-table tbody tr{border-bottom:1px solid #f0f0f0}\n.sv-table tbody tr:last-child{border-bottom:none}\n.sv-table tbody tr:nth-child(even){background:#fafafa}\n.sv-table td{padding:12px 18px;color:#333}\n.sv-table td:first-child{font-weight:500;color:#1a1a1a;width:45%}\n.sv-highlight{color:#dc2626;font-weight:600}\n.sv-warranty{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:28px}\n@media(max-width:600px){.sv-warranty{grid-template-columns:1fr}}\n.sv-warranty-card{background:linear-gradient(135deg,#0c0c0c,#1a1a1a);border-radius:12px;padding:24px 20px;text-align:center}\n.sv-warranty-val{font-size:32px;font-weight:700;color:#ef4444;line-height:1}\n.sv-warranty-unit{font-size:14px;color:rgba(255,255,255,0.5);margin-top:4px}\n.sv-warranty-label{font-size:12px;color:rgba(255,255,255,0.35);margin-top:8px;line-height:1.4}\n.sv-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}\n.sv-badge{display:inline-flex;align-items:center;gap:6px;background:#f0f0f0;border-radius:8px;padding:8px 14px;font-size:12px;font-weight:500;color:#333}\n.sv-badge-dot{width:6px;height:6px;border-radius:50%;background:#22c55e}\n.sv-seo{font-size:14px;color:#555;line-height:1.8;margin-top:32px;padding-top:24px;border-top:1px solid #eee}\n.sv-seo h4{font-size:15px;font-weight:600;color:#1a1a1a;margin:20px 0 8px}\n.sv-faq{margin-top:0;padding-top:0;border-top:none}\n.sv-faq-item{background:#f8f8f8;border-radius:12px;padding:20px;margin-bottom:12px}\n.sv-faq-item summary{font-size:14px;font-weight:600;color:#1a1a1a;cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px}\n.sv-faq-item summary::-webkit-details-marker{display:none}\n.sv-faq-item summary::before{content:'';display:inline-block;width:8px;height:8px;border-right:2px solid #dc2626;border-bottom:2px solid #dc2626;transform:rotate(-45deg);transition:transform 0.2s;flex-shrink:0}\n.sv-faq-item[open] summary::before{transform:rotate(45deg)}\n.sv-faq-item p{font-size:13px;color:#555;margin:12px 0 0 18px;line-height:1.7}\n\u003c\/style\u003e\n\u003cdiv class=\"sv-product\"\u003e\n\n\u003cdiv class=\"sv-stats\"\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003e50 \u003cspan\u003ekW\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eAC Rated Power\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003e3~ \u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eGrid Connection\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003e98 \u003cspan\u003e%\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eMax. Efficiency\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003eMade in Germany \u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eOrigin\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-section\"\u003e\n\n\u003ch3 class=\"sv-section-title\"\u003eAdvantages at a glance\u003c\/h3\u003e\n\n\u003cdiv class=\"sv-features\"\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e🔋\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003e50 kW Battery Inverter\u003c\/h4\u003e\n\n\u003cp\u003eSMA Sunny Island X 50-20 with 50 kW AC nominal power and 50 kVA apparent power for large high-voltage storage systems.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e⚡\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003eThree-phase feed-in\u003c\/h4\u003e\n\n\u003cp\u003eFeeds in three-phase at 400 V grid voltage and delivers up to 75.5 A maximum output current.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e🛡️\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003eBackup power capable\u003c\/h4\u003e\n\n\u003cp\u003eBackup power capable with suitable accessories and designed for off-grid applications.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e🔌\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003eHigh-voltage battery\u003c\/h4\u003e\n\n\u003cp\u003eCharging voltage range 350-980 V, high-voltage battery connection with up to 150 A charging current.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e🌡️\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003eActive cooling, IP65\u003c\/h4\u003e\n\n\u003cp\u003eActive cooling and IP65 protection for operation down to -25 °C ambient temperature.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-feature\"\u003e\n\n\u003cdiv class=\"sv-feature-icon\"\u003e📡\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003ch4\u003eComprehensive interfaces\u003c\/h4\u003e\n\n\u003cp\u003eModbus (SMA, SunSpec), SMA Speedwire, Webconnect, and Ethernet for monitoring and connectivity.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-section\"\u003e\n\n\u003ch3 class=\"sv-section-title\"\u003eWarranty \u0026amp; Longevity\u003c\/h3\u003e\n\n\u003cdiv class=\"sv-warranty\"\u003e\n\n\u003cdiv class=\"sv-warranty-card\"\u003e\n\n\u003cdiv class=\"sv-warranty-val\"\u003e5\u003c\/div\u003e\n\n\u003cdiv class=\"sv-warranty-unit\"\u003eYears\u003c\/div\u003e\n\n\u003cdiv class=\"sv-warranty-label\"\u003eManufacturer's warranty (+5 years with online registration)\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-section\"\u003e\n\n\u003ch3 class=\"sv-section-title\"\u003eTechnical Data\u003c\/h3\u003e\n\n\u003cdiv class=\"sv-table-wrap\"\u003e\u003ctable class=\"sv-table\"\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth\u003eParameter\u003c\/th\u003e\n\n\u003cth\u003eValue\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAC Rated Power\u003c\/td\u003e\n\n\u003ctd\u003e50 kW\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax. AC Power\u003c\/td\u003e\n\n\u003ctd\u003e50.00 kVA\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAC Grid Voltage\u003c\/td\u003e\n\n\u003ctd\u003e400 V\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFeed-in Phases\u003c\/td\u003e\n\n\u003ctd\u003e3\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax. Output Current\u003c\/td\u003e\n\n\u003ctd\u003e75.50 A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax. Efficiency\u003c\/td\u003e\n\n\u003ctd\u003e98.00 %\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBattery Voltage\u003c\/td\u003e\n\n\u003ctd\u003eHigh Voltage\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCharging Voltage\u003c\/td\u003e\n\n\u003ctd\u003e350-980 V\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMax. Charging Current\u003c\/td\u003e\n\n\u003ctd\u003e150.00 A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eTopology\u003c\/td\u003e\n\n\u003ctd\u003etransformerless\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBackup Power Capable\u003c\/td\u003e\n\n\u003ctd\u003eyes, with accessories\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eOff-Grid Application\u003c\/td\u003e\n\n\u003ctd\u003eyes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eCooling\u003c\/td\u003e\n\n\u003ctd\u003eactive\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eNoise Emission\u003c\/td\u003e\n\n\u003ctd\u003e69 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\n\u003ctd\u003eModbus (SMA, SunSpec), SMA Speedwire, Webconnect, Ethernet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\n\u003ctd\u003eIP65\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMin. Ambient Temperature\u003c\/td\u003e\n\n\u003ctd\u003e-25 °C\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDimensions (H×W×D)\u003c\/td\u003e\n\n\u003ctd\u003e772 x 838 x 444 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eWeight\u003c\/td\u003e\n\n\u003ctd\u003e104.0 kg\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\n\u003ctd\u003eGermany\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\n\u003ctd\u003eSI50-20\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-seo sv-faq\"\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhat is the SMA Sunny Island X 50-20?\u003c\/summary\u003e\u003cp\u003eThe Sunny Island X 50-20 is a three-phase battery inverter from SMA with 50 kW AC rated power. It converts stored DC energy from a high-voltage battery into grid-compliant AC power and is designed for large storage applications and off-grid systems.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhich systems is the Sunny Island X 50-20 suitable for?\u003c\/summary\u003e\u003cp\u003eIt is suitable for large commercial and industrial storage projects with a three-phase 400 V connection and high-voltage batteries in the charging voltage range of 350 to 980 V. With 50 kW of power and up to 150 A charging current, it also covers demanding self-consumption and island grid applications.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eIs the Sunny Island X 50-20 capable of providing backup power?\u003c\/summary\u003e\u003cp\u003eYes, with suitable accessories, the Sunny Island X 50-20 is capable of providing backup power and also supports off-grid applications. This means it can maintain supply in the event of a grid failure or serve as the heart of an autonomous island grid.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhat interfaces does the device offer for monitoring and communication?\u003c\/summary\u003e\u003cp\u003eThe Sunny Island X 50-20 has Modbus (SMA and SunSpec), SMA Speedwire, Webconnect, and Ethernet. This allows it to be integrated into common energy management and monitoring systems and monitored remotely.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWho is SMA?\u003c\/summary\u003e\u003cp\u003eSMA Solar Technology is a German manufacturer of inverters and system technology for photovoltaic and storage applications, headquartered in Niestetal. The products are manufactured in Germany and are considered particularly durable and service-friendly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhere can I buy the SMA Sunny Island X 50-20 in Austria?\u003c\/summary\u003e\u003cp\u003eYou can purchase the SMA Sunny Island X 50-20 online from SOLARVIC at solarvic.at. SOLARVIC is an Austrian PV and electrical wholesaler and delivers throughout Austria.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eHow can I order?\u003c\/summary\u003e\u003cp\u003eDirectly online via solarvic.at -- the SOLARVIC team will be happy to help with any design questions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003c!--tor-hinweis--\u003e\u003cdiv style=\"margin-top:28px;padding:14px 16px;background:#f0fdf4;border:1px solid #bbf7d0;border-left:3px solid #16a34a;display:flex;align-items:flex-start;gap:11px;font-family:'DM Sans',sans-serif\"\u003e\n\n\u003cspan style=\"width:8px;height:8px;border-radius:50%;background:#16a34a;flex:0 0 8px;margin-top:5px\"\u003e\u003c\/span\u003e\u003cdiv style=\"font-size:13px;line-height:1.55;color:#333\"\u003e\n\n\u003cstrong style=\"color:#166534\"\u003eAT approved\u003c\/strong\u003e, status 07.08.2026\u003cbr\u003e\u003cspan style=\"color:#6b7280;font-size:12px\"\u003eListed in the \u003ca href=\"https:\/\/www.wechselrichterliste.at\/tor-sea-typ-a\" target=\"_blank\" rel=\"noopener\" style=\"color:#6b7280;text-decoration:underline\"\u003eTOR-list Generator Type A\u003c\/a\u003e (Grid connection Austria)\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003c!--\/tor-hinweis--\u003e\n\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Was ist der SMA Sunny Island X 50-20?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Der Sunny Island X 50-20 ist ein dreiphasiger Batteriewechselrichter von SMA mit 50 kW AC-Nennleistung. Er wandelt gespeicherte Gleichstromenergie aus einer Hochvolt-Batterie in netzkonformen Wechselstrom um und ist für große Speicheranwendungen sowie netzferne Systeme ausgelegt.\"}},{\"@type\":\"Question\",\"name\":\"Für welche Anlagen eignet sich der Sunny Island X 50-20?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Er eignet sich für große gewerbliche und industrielle Speicherprojekte mit dreiphasigem 400-V-Anschluss und Hochvolt-Batterien im Ladespannungsbereich von 350 bis 980 V. Mit 50 kW Leistung und bis zu 150 A Ladestrom deckt er auch anspruchsvolle Eigenverbrauchs- und Inselnetz-Anwendungen ab.\"}},{\"@type\":\"Question\",\"name\":\"Ist der Sunny Island X 50-20 ersatzstromfähig?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ja, mit passendem Zubehör ist der Sunny Island X 50-20 ersatzstromfähig und unterstützt zudem netzferne Anwendungen (Off-Grid). So kann er bei Netzausfall die Versorgung aufrechterhalten oder als Herzstück eines autarken Inselnetzes dienen.\"}},{\"@type\":\"Question\",\"name\":\"Welche Schnittstellen bietet das Gerät für Monitoring und Kommunikation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Der Sunny Island X 50-20 verfügt über Modbus (SMA und SunSpec), SMA Speedwire, Webconnect und Ethernet. Damit lässt er sich in gängige Energiemanagement- und Überwachungssysteme einbinden und aus der Ferne überwachen.\"}},{\"@type\":\"Question\",\"name\":\"Wer ist SMA?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SMA Solar Technology ist ein deutscher Hersteller von Wechselrichtern und Systemtechnik für Photovoltaik- und Speicheranwendungen mit Sitz in Niestetal. Die Produkte werden in Deutschland gefertigt und gelten als besonders langlebig und servicefreundlich.\"}},{\"@type\":\"Question\",\"name\":\"Wo kann ich den SMA Sunny Island X 50-20 in Österreich kaufen?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Den SMA Sunny Island X 50-20 erhalten Sie bei SOLARVIC online unter solarvic.at. SOLARVIC ist ein österreichischer PV- und Elektro-Großhandel und liefert österreichweit.\"}},{\"@type\":\"Question\",\"name\":\"Wie kann ich bestellen?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Direkt online über solarvic.at -- bei Fragen zur Auslegung hilft das SOLARVIC-Team gerne weiter.\"}}]}\u003c\/script\u003e","brand":"SMA","offers":[{"title":"Default Title","offer_id":58131074548043,"sku":"SI50-20","price":12793.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/5075\/6427\/files\/0159020_4_d_4_a_4d4af2e273c24d512a9ddad173a30ccf00a73561_det_ivac_sma_si_x_png.png?v=1786701001","url":"https:\/\/solarvic.at\/en\/products\/sma-sunny-island-x-50-20-50-kw-si50-20","provider":"SOLARVIC | Photovoltaik \u0026 Haustechnik","version":"1.0","type":"link"}