SIMATIC S7-300 digital output, EOL hot
The Siemens 6ES7 321-1BH01-0AA0 is a digital output module for the SIMATIC S7-300 family, providing optically isolated outputs on a 20-pin front connector, powered from the 24 V DC backplane.
6ES7 321-1BH01-0AA0 Siemens S7-300 DO, EOL
MPN6ES7 321-1BH01-0AA0
End of Life
Siemens SIMATIC S7-300 digital output module, 6ES7 321-1BH01-0AA0, optically isolated, 24 V DC, 20-pin connector.
$67.95 – $194.00Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Output signal | Optically isolated |
| Connector type | 20-pin |
| Supply voltage | 24 V DC |
| Weight, approx. | 0.2 Kg |
Product details
Frequently asked questions
How do I source the 6ES7 321-1BH01-0AA0?
Because of its EOL hot status, this module is sourced from remaining inventory or surplus stock. Submit an RFQ for current availability and lead-time.
MPN
6ES7 321-1BH01-0AA0