Siemens / PLCs and I/O (SIMATIC)
6ES5943-7UA21
First listing start: 22 Nov 2020Last listing start: 26 Apr 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$2116.65
22 plotted records from 22 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
25 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 26 Apr 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 236779869236 | Used | $1587.49 | 0 | Recorded active | US |
| 21 Apr 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 236769260435 | Used | $1587.49 | 0 | Recorded active | US |
| 16 Apr 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 236759235322 | Used | $1587.49 | 0 | Recorded active | US |
| 15 Apr 2026 | Siemens Simatic S5 6ES5 943-7UA21 6ES5943-7UA21 -used-eBay 406859353524 | Gebraucht | 824.54 [DE] | 0 | Recorded active | DE |
| 06 Apr 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 236739595302 | Used | $2116.65 | 0 | Recorded active | US |
| 29 Mar 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 397775004980 | Used | $2116.65 | 0 | Recorded active | US |
| 19 Mar 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 236698899644 | Used | $2116.65 | 0 | Recorded active | US |
| 02 Mar 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 397665802552 | Used | $2116.65 | 0 | Recorded active | US |
| 24 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 317917639906 | Used | $2116.65 | 0 | Recorded active | US |
| 23 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 317913330353 | Used | $2116.65 | 0 | Recorded active | US |
| 18 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 317893400137 | Used | $2116.65 | 0 | Recorded active | US |
| 17 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 397618935453 | Used | $2116.65 | 0 | Recorded active | US |
| 13 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 397602481721 | Used | $2116.65 | 0 | Recorded active | US |
| 10 Feb 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 397590892169 | Used | $2116.65 | 0 | Recorded active | US |
| 08 Feb 2026 | Siemens Simatic S5 6ES5 943-7UA21 6ES5943-7UA21 -used-eBay 168145110544 | Gebraucht | 825.87 [DE] | 0 | Recorded active | DE |
| 22 Jan 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 317788728685 | Used | $2351.83 | 0 | Recorded active | US |
| 20 Jan 2026 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 317781081057 | Used | $2351.83 | 0 | Recorded active | US |
| 20 Jan 2025 | Siemens Simatic S5 6ES5 943-7UA21 6ES5943-7UA21 -used-eBay 405489979157 | Gebraucht | 718.08 [DE] | 0 | Recorded active | DE |
| 31 Oct 2023 | Siemens | 6ES5943-7UA21 | CPU943 Processor Module (Refurbished)eBay 314926758841 | Seller refurbished | $679.00 | 1 | Sold recorded | US |
| 06 Mar 2023 | Siemens 6ES5943-7UA21, 6ES59437UA21 Fast shippingeBay 266159936761 | Seller refurbished | $1174.00 | 0 | No sale recorded | SE |
| 05 Dec 2022 | Siemens 6ES5943-7UA21, 6ES59437UA21 Fast shippingeBay 266026576311 | Seller refurbished | $1174.00 | 0 | No sale recorded | SE |
| 12 Aug 2022 | Siemens | 6es5943-7ua21 | cpu943 processor module (refurbished)-eBay 225114800140 | New | $758.00 | 0 | No sale recorded | US |
| 22 Jul 2022 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 394174017610 | Used | $3900.00 | 0 | Recorded active | US |
| 15 Jul 2022 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED TESTED CLEANED)eBay 314073673164 | Used | $3900.00 | 0 | No sale recorded | US |
| 22 Nov 2020 | SIEMENS 6ES5943-7UA21 / 6ES59437UA21 (USED)eBay 143857387047 | Used | $159.90 | 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.