ABB SB821 3BSE018109R1 Battery Backup Unit
    ABB SB821 3BSE018109R1 Battery Backup Unit

    ABB SB821 3BSE018109R1 Battery Backup Unit

    • 1000 In stock

    • Manufacturer: ABB

    • Product No.: SB821 3BSE018109R1

    • Condition： In stock

    • Product Type: Battery Backup Unit

    • Product Origin: Sweden

    • Payment:T/T, Western Union

    • Weight: 91g

    • Shipping port: Xiamen

    • Warranty: 12 months

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    Description

    Overview

    The ABB SB821 is 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.

    Technical Specifications

    • Model: SB821

    • Part Number: 3BSE018109R1

    • Function: External battery backup for AC 800M controllers

    • Mounting Type: DIN rail

    • Battery Type: Lithium (portable)

    • Battery Weight: 91 g

    • Backup Duration: Minimum 1 month

    • Operating Temperature: –40°C to +70°C

    • Input Voltage: 24 VDC

    • Input Current: 500 mA

    • Communication Protocol: Modbus TCP/IP

    • RoHS Compliance: Not compliant with RoHS 2 (2011/65/EU); intended for legacy system support

    Features

    We welcome bulk orders and have a minimum order quantity of just one unit.

    Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.

    For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.

    We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.

    We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.

    Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.

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