PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES7921-5CK20-0AA0

PLCs and I/O (SIMATIC) family illustration
Recorded listings
23
Recorded quantity sold
9
Median recorded price
$187.0021 US-dollar records
Recorded price range
$112.00to $204.00 USD
First listing start: 25 Feb 2023Last listing start: 19 May 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.0.00100.00200.00300.00400.00Jun 2023Jan 2024Sep 2024Apr 2025Dec 20252023-06-02: US$112.00; no sale recorded2024-06-12: US$180.00; no sale recorded2024-06-12: US$159.00; no sale recorded2024-06-21: US$187.00; sold recorded2024-08-14: US$159.00; no sale recorded2024-08-14: US$180.00; sold recorded2024-12-07: US$204.00; sold recorded2025-03-11: US$204.00; sold recorded2025-03-31: US$159.00; sold recorded2025-04-11: US$195.00; sold recorded2025-04-26: US$195.00; sold recorded2025-04-26: US$166.00; no sale recorded2025-08-02: US$195.00; no sale recorded2025-08-07: US$159.00; no sale recorded2025-09-09: US$139.95; no sale recorded2025-10-17: US$195.00; no sale recorded2025-10-30: US$188.00; no sale recorded2025-11-08: US$175.67; no sale recorded2025-12-04: US$195.00; no sale recorded2025-12-09: US$188.00; no sale recorded2025-12-19: US$195.00; 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.0.00100.00200.00300.00400.00Jun 2023Sep 2024Dec 20252023-06-02: US$112.00; no sale recorded2024-06-12: US$180.00; no sale recorded2024-06-12: US$159.00; no sale recorded2024-06-21: US$187.00; sold recorded2024-08-14: US$159.00; no sale recorded2024-08-14: US$180.00; sold recorded2024-12-07: US$204.00; sold recorded2025-03-11: US$204.00; sold recorded2025-03-31: US$159.00; sold recorded2025-04-11: US$195.00; sold recorded2025-04-26: US$195.00; sold recorded2025-04-26: US$166.00; no sale recorded2025-08-02: US$195.00; no sale recorded2025-08-07: US$159.00; no sale recorded2025-09-09: US$139.95; no sale recorded2025-10-17: US$195.00; no sale recorded2025-10-30: US$188.00; no sale recorded2025-11-08: US$175.67; no sale recorded2025-12-04: US$195.00; no sale recorded2025-12-09: US$188.00; no sale recorded2025-12-19: US$195.00; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$187.00

21 plotted records from 21 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

23 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
19 May 20261 Piece New Siemens 6ES7921-5CK20-0AA0 With Warranty Fast ShippingeBay 397965247758Neu70.23 [DE]0Recorded activeCN
19 Dec 2025Siemens New In Box 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 ModuleeBay 389388734495New$195.000Recorded activeCN
09 Dec 20256ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0 1PCS New Siemens Expedited ShippingeBay 366045952710New$188.000Recorded activeCN
04 Dec 2025Siemens Front Plug Module 1x50"" 6ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0eBay 286988767866New$195.000Recorded activeCN
08 Nov 2025ONE New Siemens 6ES7 921-5CK20-0AA0 / 6ES7921-5CK20-0AA0 Module Fast ShipeBay 365968506502New$175.670Recorded activeCN
30 Oct 20256ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0 1PCS New Siemens Expedited ShippingeBay 365952645166New$188.000Recorded activeCN
17 Oct 2025Siemens Front Plug Module 1x50"" 6ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0eBay 286882695809New$195.000Recorded activeCN
09 Sep 2025New! Siemens 6ES7921-5CK20-0AA0 6ES7 921-5CK20-0AA0 Front Connector ModuleeBay 236317815888New$139.950Recorded activeUS
07 Aug 2025New In Box Siemens 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 PLC ModuleeBay 127294514983New$159.000Recorded activeCN
02 Aug 2025Siemens Front Plug Module 1x50"" 6ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0eBay 286743284477New$195.000Recorded activeCN
26 Apr 2025Brand New Siemens 6ES7 921-5CK20-0AA0 / 6ES7921-5CK20-0AA0eBay 135736266627New$166.000Recorded activeCN
26 Apr 2025Siemens New In Box 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 ModuleeBay 388324312800New$195.001Sold recordedCN
11 Apr 2025Siemens New In Box 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 ModuleeBay 388240623233New$195.001Sold recordedCN
31 Mar 2025New In Box Siemens 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 PLC ModuleeBay 127023934281New$159.001Sold recordedCN
11 Mar 2025Siemens Front Plug Module 1x50"" 6ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0eBay 286400028388New$204.001Sold recordedCN
07 Dec 2024Siemens Front Plug Module 1x50"" 6ES7 921-5CK20-0AA0 6ES7921-5CK20-0AA0eBay 286202948268New$204.001Sold recordedCN
14 Aug 2024Siemens New In Box 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 ModuleeBay 387294127003New$180.001Sold recordedCN
14 Aug 2024New In Box Siemens 6ES7921-5CK20-0AA0 /6ES7 921-5CK20-0AA0 PLC ModuleeBay 126624799017New$159.000No sale recordedCN
21 Jun 2024Siemens Front Plug Module 1x50"" 6ES7921-5CK20-0AA0 6ES7 921-5CK20-0AA0eBay 285920567001New$187.001Sold recordedCN
12 Jun 2024New In Box Siemens 6ES7921-5CK20-0AA0 / 6ES7 921-5CK20-0AA0 PLC ModuleeBay 126525487787New$159.000No sale recordedCN
12 Jun 2024Siemens New In Box 6ES7921-5CK20-0AA0 / 6ES7 921-5CK20-0AA0 ModuleeBay 387078389445New$180.000No sale recordedCN
02 Jun 2023SIEMENS 6ES7921-5CK20-0AA0 / 6ES79215CK200AA0 (NEW IN BOX)eBay 394657929395New - Open box$112.000Recorded activeUS
25 Feb 2023Siemens Frontsteckmodul 1x50 pol 6ES7921-5CK20-0AA0 6ES7 921-5CK20-0AA0 -used-eBay 295543065513Gebraucht42.34 [Germany]2Sold recordedDE
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

6ES7921-5AK20-0AA06ES7921-5CB20-0AA06ES7921-5CH20-0AA06ES79213AA200AA06ES79213AB000AA06ES79213AB200AA0

Related part numbers

6ES7321-1BL00-0AA06ES7141-5BF00-0BA06ES7322-1BL00-0AA06ES7131-6BF00-0CA06ES7334-0KE00-0AB06ES7550-1AA01-0AB06ES7318-3EL01-0AB06ES7414-2XG01-0AB06ES7315-2AH14-0AB06SN1118-0AA11-0AA06EP3310-6SB00-0AY06SN1121-0BA11-0AA16ES7194-4GB60-0AA06SL3040-0LA00-0AA0972-0BA50-0XA0

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