{"product_id":"battery-backup-unit-abb-sb821-3bse018109r1-ac-800m","title":"Battery Backup Unit | ABB SB821 3BSE018109R1 AC 800M","description":"\u003ch2\u003eABB SB821 3BSE018109R1 Battery Backup Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB SB821\u003c\/strong\u003e (3BSE018109R1) is an external lithium battery backup unit engineered for ABB AC 800M controllers. It supplies extended backup power to preserve controller memory data and maintain real-time clock operation during power interruptions. The unit is designed for secure DIN rail installation inside industrial control cabinets.\u003c\/p\u003e\n\u003ch3\u003eBattery Specifications and Backup Performance\u003c\/h3\u003e\n\u003cp\u003eThe unit utilizes a single non-rechargeable ANSI Size D \/ IEC R20 lithium battery with a nominal voltage of 3.6 V DC and a capacity of 16 Ah, containing 5.6 g of lithium content. It provides a minimum backup duration of one month, varying depending on the specific controller model and operating conditions.\u003c\/p\u003e\n\u003ch3\u003eConnection and Physical Integration\u003c\/h3\u003e\n\u003cp\u003eThe SB821 connects directly to the compatible AC 800M processor using an included TK821V020 connecting cable measuring 2 meters in length. Physical dimensions measure 85.6 mm in width, 136 mm in height, and 51 mm in depth, with a total net weight of approximately 600 g including the battery and cable, protected by an IP20 rating.\u003c\/p\u003e\n\u003ch3\u003eParameter Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSB821\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3BSE018109R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExternal Battery Backup Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eABB AC 800M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Function\u003c\/td\u003e\n\u003ctd\u003eExtended Controller Memory Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eNon-rechargeable Lithium Battery (ANSI Size D \/ IEC R20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Battery Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e16 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Duration\u003c\/td\u003e\n\u003ctd\u003eMinimum 1 month (application dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Cable\u003c\/td\u003e\n\u003ctd\u003eTK821V020 (2 m length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN Rail Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e85.6 x 136 x 51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e600 g (including battery and cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the ABB SB821 unit? A: It provides extended memory backup power and maintains real-time clock operation for ABB AC 800M controllers during power outages.\u003c\/p\u003e\n\u003cp\u003eQ: What type of battery does the SB821 use? A: It uses a non-rechargeable ANSI Size D \/ IEC R20 lithium battery with a 3.6 V DC rating and 16 Ah capacity.\u003c\/p\u003e\n\u003cp\u003eQ: What cable is included for connecting to the controller? A: It is supplied with a 2-meter TK821V020 connecting cable.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43777271038051,"sku":"SB821","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/320._f6c37563-9f1d-47a8-b015-efd2faf4dc46.jpg?v=1793342089","url":"https:\/\/www.autocontrolglobal.com\/products\/battery-backup-unit-abb-sb821-3bse018109r1-ac-800m","provider":"AutoControl Global","version":"1.0","type":"link"}