Siemens / PLCs and I/O (SIMATIC)
6ES72121BE400XB0
First listing start: 28 Mar 2020Last listing start: 22 May 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$227.11
29 plotted records from 29 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
30 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 22 May 2026 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 127878134801 | New - Open box | $157.50 | 0 | Recorded active | US |
| 19 May 2026 | 6ES72121BE400XB0 NEW 1PCS SIEMENS 6ES7 212-1BE40-0XB0 CPU MODULEeBay 336590423966 | New | $398.44 | 0 | Recorded active | CN |
| 15 May 2026 | 1PC SIEMENS 6ES72121BE400XB0 Controller, Logic, SI(Intl via EIS Only + NO FF)eBay 257506651108 | New | $765.08 | 0 | Recorded active | US |
| 26 Mar 2026 | 1PC SIEMENS 6ES72121BE400XB0 Controller, Logic, SIMATIC S7-1200 CPU 1212C,eBay 406802743088 | New | $745.63 | 0 | Recorded active | US |
| 23 Mar 2026 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 377057599019 | New | $350.00 | 0 | Recorded active | US |
| 17 Feb 2026 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 406702807775 | New | $235.00 | 0 | Recorded active | PK |
| 21 Jan 2026 | 242732 New In Box; Siemens 6ES72121BE400XB0 Controller Logic Simatic S7-1200eBay 198042361394 | New - Open box | $227.11 | 0 | Recorded active | US |
| 13 Nov 2025 | 1pk SIEMENS 6ES72121BE400XB0 Controller, Logic, SIMATIC S7-1200 CPU 1212C,eBay 277503157425 | New | $775.86 | 0 | Recorded active | US |
| 09 Oct 2025 | 242732 New In Box; Siemens 6ES72121BE400XB0 Controller Logic Simatic S7-1200eBay 357724406168 | New - Open box | $236.51 | 0 | Recorded active | US |
| 18 Apr 2025 | 242732 New In Box; Siemens 6ES72121BE400XB0 Controller Logic Simatic S7-1200eBay 187154952462 | New - Open box | $260.03 | 0 | Recorded active | US |
| 21 Mar 2025 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 156818061506 | Used | $125.00 | 1 | Sold recorded | US |
| 11 Feb 2025 | New 1pc Siemens Central Processing Unit (CPU) 6ES72121BE400XB0 Free shippingeBay 387923596989 | New | $365.27 | 0 | Recorded active | CN |
| 04 Jan 2025 | 242732 New In Box; Siemens 6ES72121BE400XB0 Controller Logic Simatic S7-1200eBay 356433765070 | New - Open box | $274.13 | 1 | Sold recorded | US |
| 28 Oct 2024 | New Original SIEMENS 6ES72121BE400XB0 CPU MODULE Free ShippingeBay 205068349363 | New | $285.00 | 1 | Sold recorded | CN |
| 24 Oct 2024 | One Lot of 6 Siemens Q115 1 Pole 15 Amp Circuit Breakers FAST SHIP!💨✅eBay 126740890183 | New - Open box | $24.99 | 0 | Recorded active | US |
| 24 Oct 2024 | Circuit Breaker Siemens Q120DFN 20 Amp Dual AFCI/GFCI Plug On NeutraleBay 296772899592 | New - Open box | $28.99 | 1 | Sold recorded | US |
| 24 Oct 2024 | Siemens ECHS125 HS Surface Mount Loadcenter Hub 5-1/8 W x 13 D x 1-1/4 Dia. in.eBay 276700657435 | New | $18.58 | 1 | Sold recorded | US |
| 24 Oct 2024 | 242732 New In Box; Siemens 6ES72121BE400XB0 Controller Logic Simatic S7-1200eBay 356187352166 | New - Open box | $283.54 | 1 | Sold recorded | US |
| 05 Sep 2023 | 6ES72121BE400XB0 Siemens PLC CPU Module S7-1200,CPU 1212C, AC/DC/RLY NIBeBay 285460789213 | New | 343.13 [Canada] | 0 | No sale recorded | TH |
| 16 Aug 2023 | Siemens 6ES72121BE400XB0 Simatic S7 CPU Brand New in Open BoxeBay 115890106848 | New - Open box | $150.00 | 1 | Sold recorded | US |
| 09 Aug 2023 | Siemens 6ES72121BE400XB0 Simatic S7 CPU Brand New in Open BoxeBay 115884066982 | New - Open box | $150.00 | 0 | No sale recorded | US |
| 02 Aug 2023 | Siemens 6ES72121BE400XB0 Simatic S7 CPU Brand New in Open BoxeBay 115877386870 | New - Open box | $150.00 | 0 | No sale recorded | US |
| 10 Oct 2022 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 234728779553 | New - Open box | $250.00 | 1 | Sold recorded | US |
| 12 May 2022 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 384885641514 | Used | $100.00 | 1 | Sold recorded | US |
| 05 May 2022 | Siemens 6ES72121BE400XB0 Simatic S7 CPUeBay 384873073928 | Used | $150.00 | 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.