PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES5921-3UA12

PLCs and I/O (SIMATIC) family illustration
Recorded listings
152
Recorded quantity sold
14
Median recorded price
$460.00100 US-dollar records
Recorded price range
$31.01to $2766.99 USD
First listing start: 16 Mar 2017Last listing start: 06 Oct 2026

Recorded price history

USD
Recorded US-dollar price historyLinear price scale. Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months.0.001000.002000.003000.004000.00Mar 2017Jul 2019Dec 2021May 2024Oct 20262017-03-16: US$1353.01; no sale recorded2017-03-24: US$486.00; no sale recorded2017-04-19: US$1353.46; no sale recorded2017-05-21: US$1353.46; no sale recorded2017-06-21: US$1353.68; no sale recorded2017-07-26: US$1027.97; no sale recorded2017-10-13: US$1447.07; no sale recorded2017-10-24: US$642.01; no sale recorded2018-01-23: US$197.00; no sale recorded2018-01-26: US$1353.91; no sale recorded2018-02-22: US$197.00; no sale recorded2018-04-23: US$208.00; no sale recorded2018-05-23: US$208.00; no sale recorded2018-06-22: US$208.00; no sale recorded2018-06-26: US$79.50; sold recorded2018-08-21: US$208.00; no sale recorded2018-10-20: US$208.00; no sale recorded2019-01-18: US$208.00; no sale recorded2019-11-04: US$1800.19; no sale recorded2019-12-10: US$527.00; no sale recorded2020-02-10: US$460.00; no sale recorded2020-02-17: US$460.00; no sale recorded2020-03-02: US$1155.00; no sale recorded2020-03-02: US$460.00; no sale recorded2020-03-09: US$460.00; no sale recorded2020-03-16: US$460.00; no sale recorded2020-03-23: US$460.00; no sale recorded2020-03-30: US$460.00; no sale recorded2020-03-30: US$649.20; no sale recorded2020-06-21: US$241.87; no sale recorded2020-07-26: US$245.86; no sale recorded2020-08-03: US$2015.18; no sale recorded2020-08-27: US$244.25; no sale recorded2020-09-13: US$95.00; no sale recorded2020-09-29: US$243.42; no sale recorded2020-10-09: US$269.99; no sale recorded2020-10-12: US$2015.35; no sale recorded2020-11-04: US$253.84; no sale recorded2020-11-15: US$2065.67; no sale recorded2020-12-06: US$242.86; no sale recorded2021-01-03: US$2039.32; no sale recorded2021-02-06: US$2029.46; no sale recorded2021-02-07: US$261.33; no sale recorded2021-03-10: US$2493.29; no sale recorded2021-03-25: US$1329.40; no sale recorded2021-04-01: US$200.00; no sale recorded2021-04-09: US$267.60; no sale recorded2021-04-20: US$46.45; no sale recorded2021-05-15: US$267.00; no sale recorded2021-05-24: US$350.00; no sale recorded2022-01-28: US$716.18; no sale recorded2022-02-16: US$2298.82; no sale recorded2022-03-20: US$71.87; no sale recorded2022-04-04: US$2174.59; no sale recorded2022-04-18: US$150.00; no sale recorded2022-04-18: US$150.00; no sale recorded2022-05-05: US$2036.99; no sale recorded2022-09-16: US$223.95; no sale recorded2023-01-12: US$415.00; no sale recorded2023-05-18: US$999.00; no sale recorded2023-05-22: US$999.00; no sale recorded2023-06-07: US$56.71; no sale recorded2023-10-18: US$40.24; no sale recorded2024-01-14: US$60.00; no sale recorded2024-07-13: US$880.00; sold recorded2024-08-31: US$60.34; no sale recorded2024-11-02: US$625.00; no sale recorded2024-11-08: US$70.00; no sale recorded2024-11-08: US$150.00; no sale recorded2025-04-29: US$64.48; no sale recorded2025-06-25: US$2766.99; no sale recorded2025-07-15: US$224.05; no sale recorded2025-07-15: US$223.02; no sale recorded2025-09-08: US$249.99; no sale recorded2025-10-25: US$360.00; no sale recorded2025-12-09: US$1068.90; no sale recorded2025-12-11: US$237.18; no sale recorded2026-01-10: US$237.36; no sale recorded2026-01-12: US$1039.27; no sale recorded2026-01-17: US$1039.27; no sale recorded2026-01-18: US$1039.27; no sale recorded2026-01-25: US$1039.27; no sale recorded2026-02-02: US$32.77; no sale recorded2026-02-05: US$1039.27; no sale recorded2026-02-06: US$1039.27; no sale recorded2026-02-09: US$240.46; no sale recorded2026-02-11: US$1039.27; no sale recorded2026-03-11: US$237.33; no sale recorded2026-03-16: US$1039.27; no sale recorded2026-04-04: US$1039.27; no sale recorded2026-04-09: US$238.23; no sale recorded2026-04-15: US$779.45; no sale recorded2026-04-20: US$779.45; no sale recorded2026-04-29: US$779.45; no sale recorded2026-05-02: US$503.42; no sale recorded2026-05-03: US$32.39; no sale recorded2026-05-06: US$779.45; no sale recorded2026-05-10: US$239.78; no sale recorded2026-07-01: US$489.70; no sale recorded2026-10-06: US$31.01; no sale recordedRecorded US-dollar price historyLinear price scale. Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months.0.001000.002000.003000.004000.00Mar 2017Dec 2021Oct 20262017-03-16: US$1353.01; no sale recorded2017-03-24: US$486.00; no sale recorded2017-04-19: US$1353.46; no sale recorded2017-05-21: US$1353.46; no sale recorded2017-06-21: US$1353.68; no sale recorded2017-07-26: US$1027.97; no sale recorded2017-10-13: US$1447.07; no sale recorded2017-10-24: US$642.01; no sale recorded2018-01-23: US$197.00; no sale recorded2018-01-26: US$1353.91; no sale recorded2018-02-22: US$197.00; no sale recorded2018-04-23: US$208.00; no sale recorded2018-05-23: US$208.00; no sale recorded2018-06-22: US$208.00; no sale recorded2018-06-26: US$79.50; sold recorded2018-08-21: US$208.00; no sale recorded2018-10-20: US$208.00; no sale recorded2019-01-18: US$208.00; no sale recorded2019-11-04: US$1800.19; no sale recorded2019-12-10: US$527.00; no sale recorded2020-02-10: US$460.00; no sale recorded2020-02-17: US$460.00; no sale recorded2020-03-02: US$1155.00; no sale recorded2020-03-02: US$460.00; no sale recorded2020-03-09: US$460.00; no sale recorded2020-03-16: US$460.00; no sale recorded2020-03-23: US$460.00; no sale recorded2020-03-30: US$460.00; no sale recorded2020-03-30: US$649.20; no sale recorded2020-06-21: US$241.87; no sale recorded2020-07-26: US$245.86; no sale recorded2020-08-03: US$2015.18; no sale recorded2020-08-27: US$244.25; no sale recorded2020-09-13: US$95.00; no sale recorded2020-09-29: US$243.42; no sale recorded2020-10-09: US$269.99; no sale recorded2020-10-12: US$2015.35; no sale recorded2020-11-04: US$253.84; no sale recorded2020-11-15: US$2065.67; no sale recorded2020-12-06: US$242.86; no sale recorded2021-01-03: US$2039.32; no sale recorded2021-02-06: US$2029.46; no sale recorded2021-02-07: US$261.33; no sale recorded2021-03-10: US$2493.29; no sale recorded2021-03-25: US$1329.40; no sale recorded2021-04-01: US$200.00; no sale recorded2021-04-09: US$267.60; no sale recorded2021-04-20: US$46.45; no sale recorded2021-05-15: US$267.00; no sale recorded2021-05-24: US$350.00; no sale recorded2022-01-28: US$716.18; no sale recorded2022-02-16: US$2298.82; no sale recorded2022-03-20: US$71.87; no sale recorded2022-04-04: US$2174.59; no sale recorded2022-04-18: US$150.00; no sale recorded2022-04-18: US$150.00; no sale recorded2022-05-05: US$2036.99; no sale recorded2022-09-16: US$223.95; no sale recorded2023-01-12: US$415.00; no sale recorded2023-05-18: US$999.00; no sale recorded2023-05-22: US$999.00; no sale recorded2023-06-07: US$56.71; no sale recorded2023-10-18: US$40.24; no sale recorded2024-01-14: US$60.00; no sale recorded2024-07-13: US$880.00; sold recorded2024-08-31: US$60.34; no sale recorded2024-11-02: US$625.00; no sale recorded2024-11-08: US$70.00; no sale recorded2024-11-08: US$150.00; no sale recorded2025-04-29: US$64.48; no sale recorded2025-06-25: US$2766.99; no sale recorded2025-07-15: US$224.05; no sale recorded2025-07-15: US$223.02; no sale recorded2025-09-08: US$249.99; no sale recorded2025-10-25: US$360.00; no sale recorded2025-12-09: US$1068.90; no sale recorded2025-12-11: US$237.18; no sale recorded2026-01-10: US$237.36; no sale recorded2026-01-12: US$1039.27; no sale recorded2026-01-17: US$1039.27; no sale recorded2026-01-18: US$1039.27; no sale recorded2026-01-25: US$1039.27; no sale recorded2026-02-02: US$32.77; no sale recorded2026-02-05: US$1039.27; no sale recorded2026-02-06: US$1039.27; no sale recorded2026-02-09: US$240.46; no sale recorded2026-02-11: US$1039.27; no sale recorded2026-03-11: US$237.33; no sale recorded2026-03-16: US$1039.27; no sale recorded2026-04-04: US$1039.27; no sale recorded2026-04-09: US$238.23; no sale recorded2026-04-15: US$779.45; no sale recorded2026-04-20: US$779.45; no sale recorded2026-04-29: US$779.45; no sale recorded2026-05-02: US$503.42; no sale recorded2026-05-03: US$32.39; no sale recorded2026-05-06: US$779.45; no sale recorded2026-05-10: US$239.78; no sale recorded2026-07-01: US$489.70; no sale recorded2026-10-06: US$31.01; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$460.00

100 plotted records from 100 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

152 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
06 Oct 2026Siemens 6ES5921-3UA12 Central Controller ModuleeBay 206606850762Used$31.010Recorded activeDK
01 Jul 2026Siemens Central Unit 6ES5921-3UA12 CPU 921 SIMATIC S5 For ZG 135U E-Stand 01eBay 236910655603New - Open box$489.700Recorded activeDE
10 May 2026Siemens SIMATIC S5 6ES5921-3UA12 CPU 921 Central Module NeweBay 206265119044New - Open box$239.780Recorded activeDE
10 May 2026Siemens Simatic S5 6ES5921-3UA12 Ordinateur 921 Zentralbaugruppe NeufeBay 206265118620Neuf - Boîte ouverte239.44 [CA]0Recorded activeDE
10 May 2026Siemens SIMATIC S5 6ES5921-3UA12 CPU 921 Central Module NeweBay 206264385603New - Open box239.44 [CA]0Recorded activeDE
06 May 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 318256658959Used$779.450Recorded activeUS
03 May 2026Siemens 6ES5921-3UA12 Central Controller ModuleeBay 206248763575Used$32.390Recorded activeDK
02 May 2026Siemens Central Unit 6ES5921-3UA12 CPU 921 SIMATIC S5 For ZG 135U E-Stand 01eBay 327135040869New - Open box$503.420Recorded activeDE
29 Apr 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 318218682515Used$779.450Recorded activeUS
20 Apr 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 397859932844Used$779.450Recorded activeUS
15 Apr 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 236757348582Used$779.450Recorded activeUS
14 Apr 2026Siemens Simatic S5 6ES5921-3UA12 Version: 05 -Refurbished/Attn.-eBay 406856623626Gebraucht351.59 [DE]0Recorded activeDE
09 Apr 2026Siemens SIMATIC S5 6ES5921-3UA12 CPU 921 Central Module NeweBay 206200546801New - Open box$238.230Recorded activeDE
04 Apr 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 318103049574Used$1039.270Recorded activeUS
29 Mar 2026Siemens Simatic S5 6ES5921-3UA12 Version: 13 -Refurbished- eBay 406812259820Gebraucht344.12 [DE]0Recorded activeDE
28 Mar 2026Siemens Simatic S5 6ES5921-3UA12 E-Stand: 05 -used-eBay 406809808748Gebraucht102.43 [DE]0Recorded activeDE
16 Mar 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 236691223326Used$1039.270Recorded activeUS
11 Mar 2026Siemens SIMATIC S5 6ES5921-3UA12 CPU 921 Central Unit NeweBay 206127091929New - Open box$237.330Recorded activeDE
11 Mar 2026Siemens Simatic S5 6ES5921-3UA12 CPU 921 Central Processor Unit NeweBay 206126988675New - Open box236.86 [CA]0Recorded activeDE
11 Feb 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 397594374855Used$1039.270Recorded activeUS
09 Feb 2026Siemens SIMATIC S5 6ES5921-3UA12 CPU 921 Central Unit NeweBay 206058403456New - Open box$240.460Recorded activeDE
08 Feb 2026Siemens Simatic S5 6ES5921-3UA12 CPU 921 Central Processor Unit NeweBay 206058220242New - Open box240.29 [CA]0Recorded activeDE
08 Feb 2026Siemens Simatic S5 6ES5921-3UA12 Ordinateur 921 Zentralbaugruppe NeufeBay 206058019639Neuf - Boîte ouverte240.29 [CA]0Recorded activeDE
06 Feb 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 317846110632Used$1039.270Recorded activeUS
05 Feb 2026SIEMENS 6ES5921-3UA12 / 6ES59213UA12 (USED)eBay 236618879999Used$1039.270Recorded activeUS
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.

Browse neighboring part numbers by prefix

Neighboring part numbers

6ES5921-3MB146ES5921-3UA116ES5921-3UA11/E-STAND6ES5921-3UA216ES5921-3WA136ES5921-3WB

Related part numbers

6ES5923-3UA116ES5431-4UA126ES5924-3SA116ES5430-4UA136ES5752-0AA126ES5458-7LA126ES5955-3LC146ES5700-8MA116ES5760-1AA116ES5752-0AA226ES5095-8MA016EP1961-2BA003RH1921-1HA226ES5095-8MA033RH1921-1DA11

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