Siemens / PLCs and I/O (SIMATIC)
6ES5-421-8MA12
First listing start: 04 Jul 2017Last listing start: 09 May 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Logarithmic price scale (price + 1). Dates are listing starts.
Median recorded price, all years$57.77
33 plotted records from 33 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
34 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 09 May 2026 | SIEMENS 6ES5-421-8MA12 INPUT MODULE SIMATIC S5eBay 127855936528 | New - Open box | $203.94 | 0 | Recorded active | IN |
| 21 Apr 2026 | Siemens 6ES5-421-8MA12 Input Module 6ES54218MA12 (Pack of 10)eBay 336545027313 | Used | $2642.93 | 0 | Recorded active | US |
| 27 Feb 2026 | Siemens 6ES5-421-8MA12 Simatic S5 Digital Input ModuleeBay 267588904983 | Used | $24.99 | 0 | Recorded active | US |
| 22 Jul 2025 | Siemens 6ES5-421-8MA12 6ES5-441-8MA11 Digital I/O Modules 24VDCeBay 365752206450 | Used | $29.24 | 0 | Recorded active | US |
| 20 Jul 2025 | Siemens Simatic C5 6ES5-421-8MA12 Digital Input Germany (Unused)eBay 406063306913 | New - Open box | $85.00 | 0 | Recorded active | BD |
| 11 May 2025 | SIEMENS 6ES5-421-8MA12 DIGITAL INPUT 24V T14992eBay 356883190592 | Used | $60.00 | 0 | Recorded active | US |
| 09 Jan 2025 | Siemens 6ES5-421-8MA12 Digital Input Module 8-Pt 24VDC *DAMAGED BOX* NEWeBay 226535784792 | New | $149.99 | 0 | Recorded active | US |
| 11 Jul 2024 | Siemens 6ES5-421-8MA12 6ES5-441-8MA11 Digital I/O Modules 24VDCeBay 365004631924 | Used | $29.99 | 0 | Recorded active | US |
| 26 Jul 2023 | SIEMENS S5-100 U 6ES5-421-8MA12 DIGITAL INPUT MODULE NON-FLOATINGeBay 155687401564 | Used | $99.00 | 0 | Recorded active | IN |
| 01 Jul 2023 | SIEMENS S5-100 U 6ES5-421-8MA12 DIGITAL INPUT MODULE NON-FLOATINGeBay 155639582998 | Used | $95.23 | 0 | No sale recorded | IN |
| 15 Aug 2022 | Siemens 6ES5-421-8MA12 PLC Input Module USEDeBay 325305915296 | Used | $19.99 | 0 | No sale recorded | US |
| 25 Jun 2021 | SIEMENS SIMATIC S5 6ES5-421-8MA12, 6ES5 440-8MA22 - TOP - worldwide - INVOICEeBay 284346525330 | Neu: Sonstige (siehe Artikelbeschreibung) | 238.41 [Germany] | 0 | No sale recorded | DE |
| 18 May 2021 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 224466561041 | New - Open box | $0.99 | 0 | No sale recorded | IL |
| 10 Apr 2021 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 324564383311 | New - Open box | $57.77 | 0 | No sale recorded | IL |
| 09 Dec 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 324410535662 | New - Open box | $19.77 | 0 | No sale recorded | IL |
| 08 Nov 2020 | Siemens Simatic S5 6ES5-421-8MA12, 6ES5-441-8MA11 *TESTED*eBay 264930426721 | Used | $150.00 | 0 | No sale recorded | US |
| 14 Oct 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 324333175360 | New - Open box | $17.77 | 0 | No sale recorded | IL |
| 05 Oct 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 324320440209 | New - Open box | $17.77 | 0 | No sale recorded | IL |
| 15 Sep 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 224158104910 | New - Open box | $17.77 | 0 | No sale recorded | IL |
| 29 Aug 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 224137895833 | New - Open box | $17.77 | 0 | No sale recorded | IL |
| 22 Aug 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 324269413541 | New - Open box | $17.77 | 0 | No sale recorded | IL |
| 15 May 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 224011425512 | New - Open box | $57.77 | 0 | No sale recorded | IL |
| 08 May 2020 | New - Simatic S5 Siemens 6ES5-421-8MA12 PLC Digital Output Module 8*24V DCeBay 224002958827 | New - Open box | $57.77 | 0 | No sale recorded | IL |
| 03 Feb 2020 | GUARANTEED! SIEMENS SIMATIC S5 8x24V DIGITAL INPUT MODULE 6ES5-421-8MA12eBay 324062535457 | Used | $19.95 | 0 | No sale recorded | US |
| 03 Jan 2020 | Siemens 6ES5 421-8MA12 6ES54218MA12 Simatic S5 Digital InputeBay 392621642496 | Used | $23.17 | 0 | No sale recorded | PH |
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.