Siemens / PLCs and I/O (SIMATIC)
6ES5900-7AC21
First listing start: 02 Jun 2020Last listing start: 04 May 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$733.58
13 plotted records from 13 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
13 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 04 May 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 397909597283 | Used | $733.58 | 0 | Recorded active | US |
| 16 Apr 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 397845427412 | Used | $733.58 | 0 | Recorded active | US |
| 08 Apr 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 318120084028 | Used | $733.58 | 0 | Recorded active | US |
| 03 Apr 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 318097881027 | Used | $733.58 | 0 | Recorded active | US |
| 22 Mar 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 236705094720 | Used | $733.58 | 0 | Recorded active | US |
| 12 Mar 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 236682121136 | Used | $733.58 | 0 | Recorded active | US |
| 12 Feb 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 397598665722 | Used | $733.58 | 0 | Recorded active | US |
| 30 Jan 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 236608240491 | Used | $733.58 | 0 | Recorded active | US |
| 25 Jan 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 317799380613 | Used | $733.58 | 0 | Recorded active | US |
| 08 Jan 2026 | SIEMENS 6ES5900-7AC21 / 6ES59007AC21 (USED)eBay 236570602226 | Used | $733.58 | 0 | Recorded active | US |
| 28 May 2024 | SIEMENS 6ES5900-7AC21 6ES59007AC21 CPU MODULE ID139421 UP TO 24 MONTHS WARRANTYeBay 326143010563 | Used | $1148.26 | 1 | Sold recorded | PL |
| 07 Sep 2022 | SIEMENS 6ES5900-7AC21 CPU MODULE ID139421eBay 325334371196 | Seller refurbished | $940.62 | 0 | No sale recorded | PL |
| 02 Jun 2020 | Siemens 6ES5900-7AC21, Siemens 6ES5 900-7AC21 With Eprom 6ES5910-0AA21eBay 392822831586 | Used | $496.03 | 0 | No sale recorded | DE |
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.