Siemens 321- part numbers
152 recorded part numbers beginning with 321-.
Recorded parts
| Part number | Family | Recorded listings | Median recorded price (USD) | Last listing start |
|---|---|---|---|---|
| 321-01PE23-3AL0 | Other Siemens parts | 14 | $1188.20 | 21 Nov 2024 |
| 321-055-HSP | Other Siemens parts | 1 | $89.99 | 02 Jul 2018 |
| 321-0BL01-0AA0 | Other Siemens parts | 1 | Not recorded | 28 Apr 2023 |
| 321-1-BH02-0AA0 | Other Siemens parts | 1 | Not recorded | 14 Apr 2020 |
| 321-1-BH10-0AA0 | Other Siemens parts | 1 | $127.99 | 25 Aug 2023 |
| 321-1BC00-0AA0 | Other Siemens parts | 1 | $317.59 | 03 Nov 2020 |
| 321-1BH0--0AA0 | Other Siemens parts | 1 | $99.99 | 08 Sep 2020 |
| 321-1BH00 | Other Siemens parts | 9 | $100.00 | 01 Jul 2024 |
| 6ES7321-1BH00-0AA0 | PLCs and I/O (SIMATIC) | 59 | $96.90 | 06 Feb 2025 |
| 321-1BH00-0AA0/SIMATIC | Other Siemens parts | 1 | $8.01 | 22 Nov 2019 |
| 321-1BH00/DI | Other Siemens parts | 2 | $82.77 | 24 May 2022 |
| 321-1BH01 | Other Siemens parts | 17 | $260.00 | 13 Jul 2023 |
| 6ES7321-1BH01-0AA0 | PLCs and I/O (SIMATIC) | 555 | $76.04 | 25 Jun 2026 |
| 321-1BH01-0AA0/6ES7321-1BH01-0AA0 | Other Siemens parts | 8 | $143.62 | 23 Oct 2023 |
| 321-1BH01-0AA06ES7321-1BH01-0AA0 | Other Siemens parts | 2 | $67.32 | 21 Jun 2024 |
| 321-1BH01-0AA0ACCEPT | Other Siemens parts | 1 | $1318.97 | 01 Sep 2025 |
| 321-1BH01-0AA0✅ | Other Siemens parts | 1 | Not recorded | 12 May 2023 |
| 321-1BH01-0AAO | Other Siemens parts | 1 | $446.92 | 18 Mar 2024 |
| 321-1BH02 | Other Siemens parts | 7 | $61.93 | 22 Aug 2025 |
| 321-1BH02-0A | Other Siemens parts | 2 | $41.39 | 25 Jul 2025 |
| 321-1BH02-0AA | Other Siemens parts | 2 | $23.80 | 08 Jul 2025 |
| 6ES7321-1BH02-0AA0 | PLCs and I/O (SIMATIC) | 2,770 | $76.12 | 30 Sep 2026 |
| 321-1BH02-0AA0 | Other Siemens parts | 1 | Not recorded | 25 Apr 2022 |
| 321-1BH02-0AA0-PLC | Other Siemens parts | 2 | Not recorded | 26 Sep 2025 |
| 321-1BH02-0AA0.6ES7321-1BH02-0AA0 | Other Siemens parts | 1 | $31.19 | 19 Mar 2025 |
| 321-1BH02-0AA0/ | Other Siemens parts | 1 | $101.93 | 26 Oct 2022 |
| 321-1BH02-0AA0/6ES7321-1BH02-0AA0 | Other Siemens parts | 13 | $97.78 | 19 Sep 2024 |
| 321-1BH02-0AA06ES7321-1BH02-0AA0 | Other Siemens parts | 1 | $78.90 | 27 Feb 2024 |
| 321-1BH02-0AA06ES7321-1BH02-0AA0FS:05 | Other Siemens parts | 1 | Not recorded | 17 Jun 2022 |
| 321-1BH02-0AA06ES7321-1BH02-0AA0FS:06 | Other Siemens parts | 2 | Not recorded | 27 Aug 2024 |
| 321-1BH02-0AA0 | Other Siemens parts | 1 | $60.00 | 13 Jun 2022 |
| 6ES7321-1BH02-0AB0 | PLCs and I/O (SIMATIC) | 15 | $47.50 | 02 Nov 2022 |
| 321-1BH02-1BH02 | Other Siemens parts | 1 | $145.00 | 03 Apr 2025 |
| 321-1BH02-2AA0 | Other Siemens parts | 16 | $282.71 | 25 Nov 2024 |
| 6ES7321-1BH02-4AA1 | PLCs and I/O (SIMATIC) | 36 | $88.00 | 07 Oct 2025 |
| 6ES7321-1BH02-4AA2 | PLCs and I/O (SIMATIC) | 29 | $281.83 | 07 Oct 2025 |
| 321-1BH02-OAA0 | Other Siemens parts | 1 | Not recorded | 03 Nov 2019 |
| 6ES7321-1BH02-OAAO | PLCs and I/O (SIMATIC) | 13 | $100.00 | 31 Oct 2024 |
| 321-1BH07-0AA0 | Other Siemens parts | 1 | $50.00 | 31 May 2023 |
| 321-1BH0Z-0AA0 | Other Siemens parts | 1 | $125.00 | 21 Jun 2024 |
| 6ES7321-1BH10-0AA0 | PLCs and I/O (SIMATIC) | 2,422 | $298.00 | 24 Sep 2026 |
| 321-1BH10-0AA0* | Other Siemens parts | 1 | $198.00 | 03 Jun 2020 |
| 321-1BH50 | Other Siemens parts | 9 | $205.62 | 31 Oct 2024 |
| 6ES7321-1BH50-0AA0 | PLCs and I/O (SIMATIC) | 378 | $109.00 | 13 Oct 2026 |
| 321-1BH50-0AA0* | Other Siemens parts | 1 | $226.33 | 03 Jun 2020 |
| 6ES7321-1BH50-4AA1 | PLCs and I/O (SIMATIC) | 19 | $256.63 | 07 Jan 2026 |
| 6ES7321-1BH50-4AA2 | PLCs and I/O (SIMATIC) | 19 | $260.57 | 16 Jun 2026 |
| 6ES7321-1BH50-OAA0 | PLCs and I/O (SIMATIC) | 2 | $214.27 | 09 Dec 2020 |
| 321-1BH81-0AA0/6ES7321-1BH81-0AA0 | Other Siemens parts | 2 | $160.03 | 03 Aug 2020 |
| 6ES7321-1BH82-0AA0 | PLCs and I/O (SIMATIC) | 32 | $352.92 | 06 Dec 2024 |
| 321-1BHO2-0AA0 | Other Siemens parts | 1 | $150.00 | 12 Feb 2025 |
| 321-1BI00-0AA0 | Other Siemens parts | 1 | $25.00 | 07 Aug 2020 |
| 321-1BL0-0A0 | Other Siemens parts | 1 | $364.00 | 15 Mar 2025 |
| 321-1BL00 | Other Siemens parts | 39 | $112.26 | 07 Jun 2026 |
| 321-1BL00-00AA0 | Other Siemens parts | 1 | $63.01 | 13 Sep 2022 |
| 321-1BL00-0A0 | Other Siemens parts | 2 | $754.00 | 15 Mar 2025 |
| 321-1BL00-0A00 | Other Siemens parts | 1 | Not recorded | 19 Mar 2026 |
| 321-1BL00-0AA | Other Siemens parts | 2 | $57.00 | 22 Dec 2025 |
| 321-1BL00-0AA0 | Other Siemens parts | 3,711 | $100.00 | 24 Oct 2026 |
| 321-1BL00-0AA0 | Other Siemens parts | 1 | Not recorded | 25 Apr 2022 |
| 321-1BL00-0AA0 SM321 | Other Siemens parts | 1 | Not recorded | 08 Feb 2022 |
| 321-1BL00-0AA0-SIEMENS-SIMATIC-S7-300-SM-321-INPUT-MODULE | Other Siemens parts | 1 | $471.01 | 03 Sep 2025 |
| 321-1BL00-0AA0.S7 | Other Siemens parts | 1 | $79.99 | 10 Aug 2024 |
| 321-1BL00-0AA0//6ES7321-1BL00-0AA0//6ES73211BL000AA0 | Other Siemens parts | 2 | Not recorded | 10 Apr 2024 |
| 321-1BL00-0AA0/Z | Other Siemens parts | 2 | $117.87 | 11 Mar 2024 |
| 321-1BL00-0AA0153-2BA02-0XB0 | Other Siemens parts | 3 | $779.04 | 13 Feb 2023 |
| 321-1BL00-0AA02 | Other Siemens parts | 1 | Not recorded | 20 Apr 2021 |
| 321-1BL00-0AA03 | Other Siemens parts | 1 | Not recorded | 17 Oct 2023 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0 | Other Siemens parts | 5 | Not recorded | 31 Aug 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0E:04 | Other Siemens parts | 1 | Not recorded | 08 Mar 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0E:05 | Other Siemens parts | 1 | Not recorded | 10 Jan 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0E:06 | Other Siemens parts | 2 | Not recorded | 01 Sep 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0E:08 | Other Siemens parts | 1 | Not recorded | 09 Feb 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0FS:06 | Other Siemens parts | 2 | Not recorded | 05 Apr 2023 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0FS:06/07 | Other Siemens parts | 1 | Not recorded | 13 Jan 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0FS:07 | Other Siemens parts | 1 | Not recorded | 10 Jan 2022 |
| 321-1BL00-0AA06ES7321-1BL00-0AA0FS:07/09 | Other Siemens parts | 1 | Not recorded | 06 Mar 2023 |
| 321-1BL00-0AA0NEW | Other Siemens parts | 5 | $619.41 | 07 Jul 2025 |
| 321-1BL00-0AAB | Other Siemens parts | 1 | Not recorded | 17 Feb 2023 |
| 6ES7321-1BL00-0AB0 | PLCs and I/O (SIMATIC) | 12 | $291.04 | 18 Oct 2024 |
| 321-1BL00-2AA0 | Other Siemens parts | 9 | $349.99 | 14 Aug 2024 |
| 6ES7321-1BL00-4AA1 | PLCs and I/O (SIMATIC) | 39 | $309.59 | 03 Dec 2025 |
| 6ES7321-1BL00-4AA2 | PLCs and I/O (SIMATIC) | 49 | $480.18 | 08 Jun 2026 |
| 321-1BL00-A00A | Other Siemens parts | 1 | $20.00 | 26 Jan 2026 |
| 6ES7321-1BL00-OAAO | PLCs and I/O (SIMATIC) | 32 | $114.30 | 09 Jul 2025 |
| 6ES7321-1BL80-0AA0 | PLCs and I/O (SIMATIC) | 23 | $332.36 | 07 Oct 2025 |
| 321-1BLOO-0AA0 | Other Siemens parts | 1 | $82.00 | 22 Mar 2018 |
| 321-1BLOO-OAAO | Other Siemens parts | 8 | $219.60 | 09 Dec 2020 |
| 321-1BP00-0AA0 | Other Siemens parts | 172 | $499.88 | 06 Jul 2026 |
| 321-1C20-0AA0 | Other Siemens parts | 1 | $293.00 | 25 Apr 2018 |
| 6ES7321-1CH00-0AA0 | PLCs and I/O (SIMATIC) | 185 | $259.94 | 22 Jun 2026 |
| 6ES7321-1CH20-0AA0 | PLCs and I/O (SIMATIC) | 92 | $401.00 | 12 Apr 2026 |
| 321-1CH20-2AA0 | Other Siemens parts | 2 | Not recorded | 05 Sep 2022 |
| 6ES7321-1CH80-0AA0 | PLCs and I/O (SIMATIC) | 32 | $501.15 | 07 Oct 2025 |
| 6ES7321-1EH01-0AA0 | PLCs and I/O (SIMATIC) | 139 | $44.49 | 06 Jul 2026 |
| 6ES7321-1EL00-0AA0 | PLCs and I/O (SIMATIC) | 265 | $351.66 | 01 Jul 2026 |
| 321-1EL00-0AA0.NEW | Other Siemens parts | 1 | Not recorded | 14 Oct 2024 |
| 321-1FF0-0AA0 | Other Siemens parts | 1 | $169.00 | 28 Apr 2025 |
| 6ES7321-1FF00-0AA0 | PLCs and I/O (SIMATIC) | 2 | $140.00 | 21 Apr 2025 |
| 321-1FF01 | Other Siemens parts | 1 | $258.62 | 02 Sep 2025 |
| 6ES7321-1FF01-0AA0 | PLCs and I/O (SIMATIC) | 362 | $172.23 | 17 Aug 2026 |
| 321-1FF01-0AA06ES7321-1FF01-0AA0 | Other Siemens parts | 2 | $949.99 | 17 Sep 2024 |
| 321-1FF01-0AA0 | Other Siemens parts | 1 | $35.56 | 07 Jul 2020 |
| 321-1FF01-2AA0 | Other Siemens parts | 3 | $159.99 | 19 Dec 2024 |
| 6ES7321-1FF10-0AA0 | PLCs and I/O (SIMATIC) | 141 | $259.90 | 07 Jul 2026 |
| 321-1FF10-7AA0 | Other Siemens parts | 2 | $865.00 | 05 Sep 2024 |
| 321-1FH00 | Other Siemens parts | 2 | $84.66 | 23 Mar 2025 |
| 321-1FH00-0AA | Other Siemens parts | 1 | $10.00 | 07 Oct 2025 |
| 6ES7321-1FH00-0AA0 | PLCs and I/O (SIMATIC) | 510 | $154.00 | 23 Aug 2026 |
| 321-1FH00-0AA0DIGITAL | Other Siemens parts | 1 | $99.99 | 28 Apr 2024 |
| 321-1FH00-4AA1 | Other Siemens parts | 26 | $354.43 | 07 Oct 2025 |
| 6ES7321-1FH00-4AA2 | PLCs and I/O (SIMATIC) | 26 | $325.84 | 30 Sep 2025 |
| 321-1FH00-OAAO | Other Siemens parts | 1 | $375.41 | 02 Oct 2019 |
| 321-1FHOO-OAAO | Other Siemens parts | 1 | $50.00 | 05 Sep 2018 |
| 321-1H02-0AA0 | Other Siemens parts | 2 | $25.00 | 21 Jan 2024 |
| 6ES7321-1HF00-OAAO | PLCs and I/O (SIMATIC) | 2 | $85.85 | 28 Feb 2018 |
| 321-1KC10 | Other Siemens parts | 1 | Not recorded | 22 Dec 2022 |
| 321-1LB00-0AA0 | Other Siemens parts | 1 | $59.99 | 10 Jan 2025 |
| 321-1SH01 | Other Siemens parts | 9 | $44.37 | 15 Jan 2024 |
| 321-1SH02 | Other Siemens parts | 2 | $249.00 | 08 Oct 2025 |
| 321-1SH03 | Other Siemens parts | 1 | $129.00 | 28 Nov 2024 |
| 321-2AA10 | Other Siemens parts | 2 | $194.00 | 08 Oct 2025 |
| 321-3BH02-0AA0 | Other Siemens parts | 1 | $59.43 | 23 May 2017 |
| 321-5BA00 | Other Siemens parts | 1 | $131.35 | 29 Nov 2024 |
| 6ES7321-5BD01-0AB0 | PLCs and I/O (SIMATIC) | 4 | $298.00 | 19 Oct 2023 |
| 321-6SB00-0AY0 | Other Siemens parts | 5 | $136.56 | 24 Nov 2024 |
| 6ES7321-7BH00-0AB0 | PLCs and I/O (SIMATIC) | 192 | $273.30 | 15 Oct 2026 |
| 321-7BH00-0AB06ES7321-7BH00-0AB0 | Other Siemens parts | 4 | $400.00 | 29 Sep 2022 |
| 6ES7321-7BH01-0AA0 | PLCs and I/O (SIMATIC) | 2 | $342.83 | 30 May 2023 |
| 6ES7321-7BH01-0AB0 | PLCs and I/O (SIMATIC) | 501 | $252.04 | 27 Sep 2026 |
| 321-7BH01-0AB0/ | Other Siemens parts | 1 | $250.00 | 08 Nov 2024 |
| 321-7BH01-0AB0Y | Other Siemens parts | 1 | $183.98 | 03 Dec 2019 |
| 321-7BH01-2AB0 | Other Siemens parts | 3 | $464.76 | 05 Sep 2025 |
| 6ES7321-7BH80-0AB0 | PLCs and I/O (SIMATIC) | 2 | Not recorded | 02 Feb 2024 |
| 321-7BHOO-0AB0 | Other Siemens parts | 1 | $69.00 | 26 Jan 2026 |
| 6ES7321-7HB00-0AB0 | PLCs and I/O (SIMATIC) | 3 | $1760.00 | 16 Mar 2023 |
| 321-7KB02-0AB0 | Other Siemens parts | 1 | Not recorded | 21 Jan 2026 |
| 321-7KF01-0AB0 | Other Siemens parts | 1 | $430.00 | 06 Aug 2018 |
| 321-7KF01-1BL00-0AA0/ | Other Siemens parts | 1 | $102.75 | 02 Oct 2024 |
| 6ES7321-7KF02-0AB0 | PLCs and I/O (SIMATIC) | 2 | $155.00 | 24 May 2022 |
| 321-7PF01-0AB0 | Other Siemens parts | 1 | $872.80 | 22 May 2023 |
| 6ES7321-7RD00-0AB0 | PLCs and I/O (SIMATIC) | 138 | $150.00 | 12 Aug 2026 |
| 6ES7321-7TB00-0AB0 | PLCs and I/O (SIMATIC) | 4 | $219.97 | 09 Nov 2018 |
| 6ES7321-7TH00-0AB0 | PLCs and I/O (SIMATIC) | 35 | $1212.91 | 23 Jan 2026 |
| 321-ABH02-0AA0 | Other Siemens parts | 1 | $50.00 | 07 Jun 2024 |
| 321-BH02-0AA0 | Other Siemens parts | 2 | $58.19 | 28 Mar 2025 |
| 321-BH50-0AA0 | Other Siemens parts | 1 | $252.56 | 03 Jan 2023 |
| 321-BL00-0AA0 | Other Siemens parts | 6 | $47.00 | 14 Jan 2022 |
| 321-CH00-0AA0 | Other Siemens parts | 1 | $239.00 | 28 Mar 2025 |
| 6ES7321-IBH02-0AA0 | PLCs and I/O (SIMATIC) | 3 | $97.00 | 16 Apr 2025 |
| 6ES7321-IBH50-0AA0 | PLCs and I/O (SIMATIC) | 2 | $100.00 | 14 Apr 2022 |
| 6ES7321-IBL00-0AA0 | PLCs and I/O (SIMATIC) | 6 | $64.00 | 25 Dec 2024 |