{"product_id":"sma-backup-kit-3p-63a-bu-stph-3p63k","title":"SMA Backup Kit (3-phase, 63A) - BU-STPH-3P63K","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 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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\"\u003e63 \u003cspan\u003eA\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eRated current per phase\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\"\u003eThree-phase\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003eBackup \u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eBackup power switching\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat\"\u003e\n\n\u003cdiv class=\"sv-stat-val\"\u003eSMA \u003cspan\u003e✓\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"sv-stat-label\"\u003eManufacturer\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\u003eThree-phase backup power supply\u003c\/h4\u003e\n\n\u003cp\u003eThe SMA Backup Kit provides automatic switchover to backup power in a three-phase grid with up to 63 A per phase.\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\u003e63 A rated current\u003c\/h4\u003e\n\n\u003cp\u003eDesigned for 63 A per phase, suitable for common three-phase household connections and higher backup power capacities.\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\u003eSecure grid disconnection\u003c\/h4\u003e\n\n\u003cp\u003eAutomatically disconnects the household grid from the public grid in the event of a power outage, preventing unintentional back-feeding.\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\u003eAutomatic changeover operation\u003c\/h4\u003e\n\n\u003cp\u003eSwitches independently between grid and backup power operation, without requiring manual intervention.\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\u003eFor self-consumption systems\u003c\/h4\u003e\n\n\u003cp\u003eExtends PV systems with storage with a practical backup power function for the entire household grid.\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\u003ePre-configured kit\u003c\/h4\u003e\n\n\u003cp\u003eAs a complete set (BU-STPH-3P63K) prepared for installation and ready for three-phase use.\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\"\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\u003eManufacturer\u003c\/td\u003e\n\n\u003ctd\u003eSMA\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\n\u003ctd\u003eBackup Kit (Backup power switching)\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\u003eBU-STPH-3P63K\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eGrid type\u003c\/td\u003e\n\n\u003ctd\u003eThree-phase (3~)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eRated current\u003c\/td\u003e\n\n\u003ctd\u003e63 A per phase\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eFunction\u003c\/td\u003e\n\n\u003ctd\u003eAutomatic switching grid\/backup power operation\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 Backup Kit (3P, 63A)?\u003c\/summary\u003e\u003cp\u003eThe SMA Backup Kit (BU-STPH-3P63K) is a pre-configured set for three-phase backup power switching. It enables automatic switching of the household grid to backup power operation in the event of a power outage and is designed for 63 A per phase.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhich systems is the Backup Kit suitable for?\u003c\/summary\u003e\u003cp\u003eThe kit is suitable for three-phase PV systems with battery storage that are to be extended with an automatic backup power function for the entire household grid. The connection is designed for three-phase household connections with up to 63 A per phase.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eHow does the backup power switching work?\u003c\/summary\u003e\u003cp\u003eIn the event of a public grid failure, the Backup Kit automatically disconnects the household grid from the main grid and switches to backup power operation. After the main grid returns, the system automatically switches back, without manual intervention and without unintentional back-feeding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eIs a battery necessary for operation?\u003c\/summary\u003e\u003cp\u003eYes, for backup power operation, an energy source such as a battery storage unit that can provide power in island mode is required. The Backup Kit handles the safe switching between grid and backup power operation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWho is SMA?\u003c\/summary\u003e\u003cp\u003eSMA is an established manufacturer of system technology for photovoltaics with many years of experience in inverters, storage, and energy management solutions. The Backup Kit complements the SMA system portfolio with a three-phase backup power function.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"sv-faq-item\"\u003e\u003csummary\u003eWhere can I buy the SMA Backup Kit in Austria?\u003c\/summary\u003e\u003cp\u003eThe SMA Backup Kit (3P, 63A) is available online at solarvic.at. If you have questions about the design of your backup power solution, the SOLARVIC team will be happy to advise you.\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 assist with any questions regarding the design.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Was ist das SMA Backup Kit (3P, 63A)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Das SMA Backup Kit (BU-STPH-3P63K) ist ein vorkonfiguriertes Set zur dreiphasigen Notstrom-Umschaltung. Es ermöglicht bei einem Stromausfall die automatische Umschaltung des Hausnetzes auf Ersatzstrombetrieb und ist auf 63 A pro Phase ausgelegt.\"}},{\"@type\":\"Question\",\"name\":\"Für welche Anlagen eignet sich das Backup Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Das Kit eignet sich für dreiphasige PV-Anlagen mit Batteriespeicher, die um eine automatische Notstromfunktion für das gesamte Hausnetz erweitert werden sollen. Der Anschluss ist auf dreiphasige Hausanschlüsse mit bis zu 63 A pro Phase ausgelegt.\"}},{\"@type\":\"Question\",\"name\":\"Wie funktioniert die Notstrom-Umschaltung?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Bei einem Ausfall des öffentlichen Netzes trennt das Backup Kit das Hausnetz automatisch vom Netz und schaltet auf Ersatzstrombetrieb um. Nach Rückkehr des Netzes erfolgt die Rückschaltung selbstständig, ohne manuellen Eingriff und ohne unbeabsichtigte Rückspeisung.\"}},{\"@type\":\"Question\",\"name\":\"Ist eine Batterie für den Betrieb notwendig?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ja, für den Ersatzstrombetrieb wird eine Energiequelle wie ein Batteriespeicher benötigt, der im Inselbetrieb Leistung bereitstellen kann. Das Backup Kit übernimmt dabei die sichere Umschaltung zwischen Netz- und Notstrombetrieb.\"}},{\"@type\":\"Question\",\"name\":\"Wer ist SMA?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SMA ist ein etablierter Hersteller von Systemtechnik für die Photovoltaik mit langjähriger Erfahrung bei Wechselrichtern, Speicher- und Energiemanagementlösungen. Das Backup Kit ergänzt das SMA-Systemportfolio um eine dreiphasige Notstromfunktion.\"}},{\"@type\":\"Question\",\"name\":\"Wo kann ich das SMA Backup Kit in Österreich kaufen?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Das SMA Backup Kit (3P, 63A) ist bei SOLARVIC online unter solarvic.at erhältlich. Bei Fragen zur Auslegung deiner Notstromlösung berät dich das SOLARVIC-Team gerne.\"}},{\"@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":58131224592715,"sku":"BU-STPH-3P63K","price":634.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/5075\/6427\/files\/0164745_5_8_5_d_585de9604a1ec20d90851015cb808404aae3904e_det_iva_sma_backup_kit_bu_stph_3p63k_png.png?v=1786949164","url":"https:\/\/solarvic.at\/en\/products\/sma-backup-kit-3p-63a-bu-stph-3p63k","provider":"SOLARVIC | Photovoltaik \u0026 Haustechnik","version":"1.0","type":"link"}