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  • ABB DI821 3BSE008550R1 and Isolation That Keeps Signals Clean
    04-10/2026
    ABB DI821 3BSE008550R1 is a digital input module designed for industrial automation, using individually galvanic isolated channels to improve signal stability and fault protection. It ensures reliable 24V DC input handling, reduces electrical noise interference, and enhances ABB S800 I/O module system performance in demanding environments.

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