{"product_id":"sma-bu-slct-us-50-sma-backup-select","title":"SMA SMA-BU-SLCT-US-50 Backup Select","description":"\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/SMA_logo_220w.png?v=1761780168\" width=\"130\"\u003e\u003c\/p\u003e\n\u003cul class=\"accordion\"\u003e\n\u003cli class=\"accordion-item is-active\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003eDescription\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003ch2\u003eSMA Backup Select Automatic Transfer Switch (BU-SLCT-US-50)\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cb\u003eProduct Availability Note:\u003c\/b\u003e \u003cb\u003eAVAILABLE OCTOBER.\u003c\/b\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe SMA Backup Select Automatic Transfer Switch (MPN: BU-SLCT-US-50) is an automatic transfer switch and load management solution designed to work with \u003ca href=\"https:\/\/solux.energy\/collections\/sma\" title=\"SMA Collection Page\"\u003e\u003cstrong\u003eSMA Sunny Boy Smart Energy (SBSE) \u003c\/strong\u003e\u003c\/a\u003ehybrid inverters. The system allows homeowners to select up to 7 critical 120 V circuits to automatically power during a grid outage directly from solar panels when the sun is out, or add an energy storage battery for 24 hours of continuous backup.\u003c\/p\u003e\n\u003cp\u003eEquipped with an integrated critical load subpanel, this unit automatically transfers selected branch circuits away from the utility grid during power interruptions. Depending on the paired inverter model, it delivers up to 3,840 W of backup power with \u003cstrong\u003e\u003ca href=\"https:\/\/solux.energy\/products\/sbse3-8-us-50-best-hybrid-solar-inverter\" title=\"SMA Sunny Boy Smart Energy SBSE3.8-US-50 3.8kW Hybrid Inverter\"\u003eSBSE 3.8\u003c\/a\u003e \u003c\/strong\u003eto \u003ca href=\"https:\/\/solux.energy\/products\/sbse7-7-us-50-smart-home-energy-solutions\" title=\"SMA Sunny Boy Smart Energy SBSE7.7-US-50 7.7kW Hybrid Inverter\"\u003e\u003cstrong\u003eSBSE 7.7\u003c\/strong\u003e\u003c\/a\u003e units and up to 5,760 W with \u003ca href=\"https:\/\/solux.energy\/products\/sma-sbse9-6-us-50-solar-hybrid-inverter\" title=\"SMA SBSE9.6-US-50 Hybrid PV Storage Grid-Tie Inverter\"\u003e\u003cstrong\u003eSBSE 9.6\u003c\/strong\u003e\u003c\/a\u003e\/11.5 models, all housed in a weatherproof NEMA 3R enclosure certified to UL, FCC, and NEMA safety standards.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer Part Number: \u003c\/b\u003e BU-SLCT-US-50\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping Dimensions:\u003c\/b\u003e 14 x 23 x 9 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping Weight:\u003c\/b\u003e 15.5 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: BU-SLCT-US-50\u003c\/li\u003e\n\u003cli\u003eBackup circuits: Up to 7\u003c\/li\u003e\n\u003cli\u003eBackup power: Up to 3,840 W with SBSE 3.8–7.7 inverter models; up to 5,760 W with SBSE 9.6\/11.5 models.\u003c\/li\u003e\n\u003cli\u003eEnclosure rating: NEMA 3R\u003c\/li\u003e\n\u003cli\u003eCertifications\/Safety: UL, FCC, NEMA\u003c\/li\u003e\n\u003cli\u003eManufacturer: SMA America\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"accordion-item\"\u003e\n\u003ch3 class=\"accordion-thumb\"\u003eResources\u003c\/h3\u003e\n\u003cdiv class=\"accordion-panel\"\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eDatasheet\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/BU-SLCT-US-50-DS-en_us-11-202507_-DS_1.pdf?v=1788578272\" rel=\"noopener\" target=\"_blank\"\u003e✔️ Download Datasheet\u003c\/a\u003e\u003chr\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eQuick Installation Guide\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/SMABackupSelect-IA-en-10-Installation-Manual-v1.0_-IM_1.pdf?v=1788578281\" rel=\"noopener\" target=\"_blank\"\u003e✔️ Download Installation Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-size: 0.8em;\"\u003eWarranty\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/SMA-Factory_Warranty-20251001_-WARR_1.pdf?v=1788578283\" target=\"_blank\"\u003e✔️ Warranty\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"clear: both;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"cta-pdf\"\u003e\n\u003cdiv class=\"one-half-col-left\"\u003e\n\u003ch3\u003eDownload Spec Sheet Of SMA Backup Select\u003cbr\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"one-half-col-right\"\u003e\n\u003cdiv class=\"pdf-sec-col\"\u003e\u003ca class=\"btn-download\" download=\"\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/BU-SLCT-US-50-DS-en_us-11-202507_-DS_1.pdf?v=1788578272\" rel=\"noopener\" target=\"_blank\"\u003eYes, please\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Solux, LLC","offers":[{"title":"Default Title","offer_id":45692417409093,"sku":"SMA-BU-SLCT-US-50","price":792.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/1924\/2053\/files\/SMABackupSelect_Selectupto_7_120Vcircuitstoautomaticallypowerduringagridoutagefromyoursolarpanelswhenthesunisout_addabatteryfor24hoursofbackupAVAILABLEOCTOBER.webp?v=1788965359","url":"https:\/\/solux.energy\/products\/sma-bu-slct-us-50-sma-backup-select","provider":"Solux, LLC","version":"1.0","type":"link"}