{"product_id":"abb-sb821-3bse018109r1-battery-backup-unit","title":"ABB SB821 3BSE018109R1 Battery Backup Unit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB SB821\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a battery backup unit for AC 800M controllers. It maintains system memory and the real-time clock during power outages. The unit ensures continuous operation and protects critical data in industrial automation systems. Compact and lightweight, it fits easily on a DIN rail, supporting reliable system performance in harsh environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: SB821\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 3BSE018109R1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e: External battery backup for AC 800M controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e: DIN rail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e: Lithium (portable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Weight\u003c\/strong\u003e: 91 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackup Duration\u003c\/strong\u003e: Minimum 1 month\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: –40°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 24 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e: 500 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e: Modbus TCP\/IP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRoHS Compliance\u003c\/strong\u003e: Not compliant with RoHS 2 (2011\/65\/EU); intended for legacy system support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42274844147802,"sku":"SB821 3BSE018109R1","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/SB8213BSE018109R1.jpg?v=1757396445","url":"https:\/\/www.plcmasters.com\/de\/products\/abb-sb821-3bse018109r1-battery-backup-unit","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}