Siemens / PLCs and I/O (SIMATIC)
6ES7921-5AB20-0AA0
First listing start: 23 Apr 2020Last listing start: 02 Oct 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$72.00
19 plotted records from 19 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
22 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 02 Oct 2026 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW* #358744eBay 178548073890 | New - Open box | $75.00 | 0 | Recorded active | US |
| 02 Oct 2026 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW #358765eBay 189031908866 | New | $81.25 | 0 | Recorded active | US |
| 01 Oct 2026 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW* #358744eBay 178544974937 | New - Open box | $75.00 | 0 | Recorded active | US |
| 01 Oct 2026 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW* #358744eBay 178544946671 | New - Open box | $75.00 | 0 | Recorded active | US |
| 01 Oct 2026 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW* #358744eBay 189024401435 | New - Open box | $75.00 | 0 | Recorded active | US |
| 01 Jun 2026 | Siemens 6ES7921-5AB20-0AA0 Front Connector Module 4x16 PoleeBay 206314728430 | New | $40.59 | 0 | Recorded active | DK |
| 23 Feb 2026 | * SIEMENS 6ES7921-5AB20-0AA0 / 6ES79215AB200AA0 Front connector moduleBay 127701197439 | New - Open box | $78.26 | 0 | Recorded active | US |
| 30 Sep 2025 | Siemens 6ES7921-5AB20-0AA0 New NMPeBay 336208552301 | New | $50.42 | 0 | Recorded active | NL |
| 18 Aug 2025 | Siemens 6ES7921-5AB20-0AA0 / 6ES7 921-5AB20-0AA0 Front Plug Module / Front Plug-ineBay 157253028584 | Neu | 44.47 [DE] | 0 | Recorded active | DE |
| 18 Jul 2025 | SIEMENS 6ES7921-5AB20-0AA0 / 6ES79215AB200AA0 (USED)eBay 396873650141 | Used | $101.00 | 0 | Recorded active | US |
| 18 Jul 2025 | SIEMENS 6ES7921-5AB20-0AA0 / 6ES79215AB200AA0 (NEW NO BOX)eBay 236208155015 | New - Open box | $111.00 | 0 | Recorded active | US |
| 18 Feb 2025 | SIEMENS 6ES7921-5AB20-0AA0 PLC MODULEeBay 156712033340 | New - Open box | $125.00 | 1 | Sold recorded | US |
| 20 Nov 2024 | SIEMENS 6ES7921-5AB20-0AA0 PLC MODULEeBay 156531533937 | New - Open box | $32.99 | 1 | Sold recorded | US |
| 22 Aug 2024 | SIEMENS 6ES7921-5AB20-0AA0 PLC MODULEeBay 156367990152 | New - Open box | $43.99 | 0 | No sale recorded | US |
| 25 Feb 2024 | SIEMENS 6ES7921-5AB20-0AA0 PLC MODULEeBay 176256291464 | New - Open box | $43.99 | 0 | No sale recorded | US |
| 27 Sep 2023 | SIEMENS 6ES7921-5AB20-0AA0 PLC MODULEeBay 155797491010 | New - Open box | $43.99 | 1 | Sold recorded | US |
| 28 Mar 2023 | Siemens 6ES7921-5AB20-0AA0 Front Connector Module With 4x16 PoleeBay 204287727428 | New - Open box | $65.26 | 0 | No sale recorded | DK |
| 15 Mar 2023 | SIEMENS 6ES7921-5AB20-0AA0 Front connector 6ES7 921-5AB20-0AA0 New sealedeBay 234933793570 | New | $72.00 | 0 | No sale recorded | DE |
| 15 Mar 2023 | SIEMENS 6ES7921-5AB20-0AA0 Front connector 6ES7 921-5AB20-0AA0 Neu versiegelteBay 234933793528 | Neu | 65.94 [Germany] | 0 | No sale recorded | DE |
| 02 Feb 2023 | SIEMENS 6ES7921-5AB20-0AA0 Front connector module - USED TESTEDeBay 255958338152 | Gebraucht | 26.03 [Germany] | 0 | Recorded active | CZ |
| 15 Sep 2022 | SIEMENS 6ES7921-5AB20-0AA0, SIMATIC FRONT CONNECTOR MODULE, NEW* #301791eBay 195350402173 | New - Open box | $47.70 | 1 | Sold recorded | US |
| 23 Apr 2020 | SIEMENS 6ES7921-5AB20-0AA0 / 6ES79215AB200AA0 (NEW NO BOX)eBay 392774231145 | New - Open box | $72.00 | 0 | No sale recorded | US |
How to read these records
Dollar amounts are recorded US-dollar prices. Bracketed labels identify other marketplaces, whose currency was not recorded. Recorded quantities sold indicate marketplace activity. Recorded active is the status retained in the archive.