Siemens 6ES7521 part numbers
50 recorded part numbers beginning with 6ES7521.
Recorded parts
| Part number | Family | Recorded listings | Median recorded price (USD) | Last listing start |
|---|---|---|---|---|
| 6ES7521-1AB00-0AB0 | PLCs and I/O (SIMATIC) | 1 | $182.00 | 05 May 2025 |
| 6ES7521-1BH00 | PLCs and I/O (SIMATIC) | 5 | $201.00 | 29 May 2026 |
| 6ES7521-1BH00-0AA0 | PLCs and I/O (SIMATIC) | 32 | $353.28 | 07 Aug 2026 |
| 6ES7521-1BH00-0AB | PLCs and I/O (SIMATIC) | 2 | $450.73 | 01 Jun 2023 |
| 6ES7521-1BH00-0AB0 | PLCs and I/O (SIMATIC) | 1,491 | $213.24 | 13 Nov 2026 |
| 6ES7521-1BH00-0AB0$ | PLCs and I/O (SIMATIC) | 1 | $297.00 | 12 Feb 2025 |
| 6ES7521-1BH00-0AB0/6ES7 | PLCs and I/O (SIMATIC) | 17 | $363.96 | 28 Sep 2024 |
| 6ES7521-1BH00-0AB0PLC | PLCs and I/O (SIMATIC) | 1 | $100.00 | 08 Oct 2023 |
| 6ES7521-1BH00-0AB0SIMATIC | PLCs and I/O (SIMATIC) | 1 | $201.85 | 13 Sep 2023 |
| 6ES7521-1BH00-0ABO | PLCs and I/O (SIMATIC) | 1 | $79.00 | 11 Aug 2022 |
| 6ES7521-1BH01-0AA0 | PLCs and I/O (SIMATIC) | 1 | $179.60 | 20 May 2024 |
| 6ES7521-1BH10-0AA0 | PLCs and I/O (SIMATIC) | 1,079 | $187.94 | 13 Nov 2026 |
| 6ES7521-1BH10-0AA0/6ES7 | PLCs and I/O (SIMATIC) | 1 | $348.95 | 10 Feb 2023 |
| 6ES7521-1BH10-0AB0 | PLCs and I/O (SIMATIC) | 29 | $1777.19 | 06 Nov 2026 |
| 6ES7521-1BH50-0AA0 | PLCs and I/O (SIMATIC) | 458 | $216.90 | 12 Nov 2026 |
| 6ES7521-1BH50-0AA0/6ES7 | PLCs and I/O (SIMATIC) | 1 | $196.89 | 13 Jun 2023 |
| 6ES7521-1BH50-0AA0NEW | PLCs and I/O (SIMATIC) | 1 | $70.00 | 23 May 2026 |
| 6ES7521-1BH50-0AB0 | PLCs and I/O (SIMATIC) | 3 | $180.74 | 08 Nov 2025 |
| 6ES7521-1BL00 | PLCs and I/O (SIMATIC) | 1 | $124.80 | 28 May 2025 |
| 6ES7521-1BL00-0AA0 | PLCs and I/O (SIMATIC) | 39 | $799.00 | 31 Oct 2026 |
| 6ES7521-1BL00-0AB0 | PLCs and I/O (SIMATIC) | 1,834 | $320.27 | 13 Nov 2026 |
| 6ES7521-1BL00-0AB0.PROGRAMMABLE | PLCs and I/O (SIMATIC) | 1 | $236.29 | 04 Apr 2025 |
| 6ES7521-1BL00-0AB0/6ES7 | PLCs and I/O (SIMATIC) | 13 | $590.19 | 04 Sep 2023 |
| 6ES7521-1BL00-0AB0/MODULE | PLCs and I/O (SIMATIC) | 2 | $341.99 | 06 Feb 2024 |
| 6ES7521-1BL00-0ABO | PLCs and I/O (SIMATIC) | 3 | $200.34 | 16 Jun 2026 |
| 6ES7521-1BL01-0AB0 | PLCs and I/O (SIMATIC) | 1 | $219.99 | 28 Apr 2026 |
| 6ES7521-1BL10-0AA0 | PLCs and I/O (SIMATIC) | 1,764 | $338.72 | 13 Nov 2026 |
| 6ES7521-1BL10-0AA0--NEW | PLCs and I/O (SIMATIC) | 1 | $229.70 | 12 Feb 2025 |
| 6ES7521-1BL10-0AB0 | PLCs and I/O (SIMATIC) | 5 | $437.50 | 29 May 2026 |
| 6ES7521-1BLOO-0AB0 | PLCs and I/O (SIMATIC) | 3 | $275.00 | 24 Feb 2022 |
| 6ES7521-1BP00-0AA0 | PLCs and I/O (SIMATIC) | 142 | $459.69 | 29 Oct 2026 |
| 6ES7521-1F | PLCs and I/O (SIMATIC) | 1 | $171.00 | 27 Nov 2020 |
| 6ES7521-1FH00-0AA0 | PLCs and I/O (SIMATIC) | 837 | $291.11 | 13 Nov 2026 |
| 6ES7521-1FH00-0AB0 | PLCs and I/O (SIMATIC) | 1 | $364.18 | 23 Feb 2025 |
| 6ES7521-7BH00-0AB0 | PLCs and I/O (SIMATIC) | 5 | $616.90 | 10 Dec 2025 |
| 6ES7521-7BH00-OABO | PLCs and I/O (SIMATIC) | 1 | $1821.25 | 18 Apr 2023 |
| 6ES7521-7EH00-0AA0 | PLCs and I/O (SIMATIC) | 13 | $773.86 | 04 Jun 2025 |
| 6ES7521-7EH00-0AB0 | PLCs and I/O (SIMATIC) | 244 | $1155.80 | 11 Nov 2026 |
| 6ES7521-7TH00-0AB0 | PLCs and I/O (SIMATIC) | 4 | $1634.19 | 04 Feb 2026 |
| 6ES7521-BL00-0AB0/6ES7 | PLCs and I/O (SIMATIC) | 1 | $309.14 | 25 Sep 2017 |
| 6ES7521-IBL10-0AA0 | PLCs and I/O (SIMATIC) | 1 | Not recorded | 14 Jan 2025 |
| 6ES75211BH00-0AB0 | PLCs and I/O (SIMATIC) | 1 | $65.00 | 24 Jan 2026 |
| 6ES75211BH000AB0 | PLCs and I/O (SIMATIC) | 5 | $252.86 | 11 Nov 2026 |
| 6ES75211BH100AA0 | PLCs and I/O (SIMATIC) | 15 | $251.66 | 26 Mar 2026 |
| 6ES75211BH500AA0 | PLCs and I/O (SIMATIC) | 1 | $257.00 | 29 Oct 2024 |
| 6ES75211BL000AB0 | PLCs and I/O (SIMATIC) | 9 | $525.00 | 18 Mar 2026 |
| 6ES75211BL100AA0 | PLCs and I/O (SIMATIC) | 1 | $398.00 | 29 Oct 2024 |
| 6ES75217EH000AB0 | PLCs and I/O (SIMATIC) | 2 | $120.00 | 25 Apr 2024 |
| 6ES7521‐1BL00‐0AB0 | PLCs and I/O (SIMATIC) | 1 | $200.00 | 26 Apr 2021 |
| 6ES7521‑1FH00‑0AA0 | PLCs and I/O (SIMATIC) | 1 | $215.45 | 07 Sep 2026 |