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6ES7321-1BH81-0AA0

Siemens 6ES7321-1BH81-0AA0 — Digital Input Modules

Siemens 6ES7321-1BH81-0AA0

MPN6ES7321-1BH81-0AA0

End of Life

SM 321, 16 *DC 24V, optically isolated

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MOQ1 pcs

Sourced new & surplus through independent channelsListing updated Jun 2026

SIMATIC S7 PLC· 118 variantsCompare all →

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First response typically within one business day; complex BOMs may take longer.

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6ES7321-1BH81-0AA0

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