PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES7921-3AA20-0AA0

PLCs and I/O (SIMATIC) family illustration
Recorded listings
65
Recorded quantity sold
1
Median recorded price
$81.9949 US-dollar records
Recorded price range
$20.00to $1499.00 USD
First listing start: 18 Oct 2019Last listing start: 09 Jun 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.0.00500.001000.001500.002000.00Oct 2019May 2021Jan 2023Sep 2024May 20262019-10-18: US$93.78; no sale recorded2020-01-13: US$57.00; no sale recorded2020-04-26: US$81.00; no sale recorded2020-11-03: US$62.56; no sale recorded2020-12-04: US$68.55; no sale recorded2020-12-08: US$40.00; no sale recorded2021-02-09: US$30.77; no sale recorded2022-03-04: US$62.40; no sale recorded2022-11-04: US$55.28; no sale recorded2023-01-21: US$64.99; no sale recorded2023-02-15: US$40.00; no sale recorded2023-03-03: US$20.00; no sale recorded2023-03-03: US$38.00; no sale recorded2023-05-25: US$40.00; no sale recorded2023-07-10: US$101.68; no sale recorded2023-08-01: US$40.00; no sale recorded2023-08-22: US$134.20; no sale recorded2023-09-15: US$50.06; no sale recorded2023-09-30: US$203.00; no sale recorded2023-10-13: US$191.80; no sale recorded2023-10-15: US$158.20; no sale recorded2024-01-20: US$65.00; no sale recorded2024-01-20: US$65.00; no sale recorded2024-01-24: US$118.00; no sale recorded2024-02-27: US$81.99; no sale recorded2024-03-24: US$118.00; no sale recorded2024-03-28: US$240.00; sold recorded2024-04-10: US$79.99; no sale recorded2024-04-12: US$40.00; no sale recorded2024-05-23: US$118.00; no sale recorded2024-05-23: US$1499.00; no sale recorded2024-05-26: US$81.99; no sale recorded2024-05-30: US$123.29; no sale recorded2024-06-14: US$44.00; no sale recorded2024-08-06: US$100.02; no sale recorded2024-08-24: US$81.99; no sale recorded2024-11-19: US$99.95; no sale recorded2025-02-20: US$81.99; no sale recorded2025-03-26: US$66.00; no sale recorded2025-03-27: US$65.30; no sale recorded2025-05-20: US$81.99; no sale recorded2025-10-30: US$164.00; no sale recorded2025-11-08: US$153.01; no sale recorded2025-11-22: US$116.79; no sale recorded2025-11-29: US$117.40; no sale recorded2025-12-09: US$164.00; no sale recorded2025-12-23: US$118.00; no sale recorded2026-02-24: US$114.90; no sale recorded2026-05-23: US$78.00; 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.0.00500.001000.001500.002000.00Oct 2019Jan 2023May 20262019-10-18: US$93.78; no sale recorded2020-01-13: US$57.00; no sale recorded2020-04-26: US$81.00; no sale recorded2020-11-03: US$62.56; no sale recorded2020-12-04: US$68.55; no sale recorded2020-12-08: US$40.00; no sale recorded2021-02-09: US$30.77; no sale recorded2022-03-04: US$62.40; no sale recorded2022-11-04: US$55.28; no sale recorded2023-01-21: US$64.99; no sale recorded2023-02-15: US$40.00; no sale recorded2023-03-03: US$20.00; no sale recorded2023-03-03: US$38.00; no sale recorded2023-05-25: US$40.00; no sale recorded2023-07-10: US$101.68; no sale recorded2023-08-01: US$40.00; no sale recorded2023-08-22: US$134.20; no sale recorded2023-09-15: US$50.06; no sale recorded2023-09-30: US$203.00; no sale recorded2023-10-13: US$191.80; no sale recorded2023-10-15: US$158.20; no sale recorded2024-01-20: US$65.00; no sale recorded2024-01-20: US$65.00; no sale recorded2024-01-24: US$118.00; no sale recorded2024-02-27: US$81.99; no sale recorded2024-03-24: US$118.00; no sale recorded2024-03-28: US$240.00; sold recorded2024-04-10: US$79.99; no sale recorded2024-04-12: US$40.00; no sale recorded2024-05-23: US$118.00; no sale recorded2024-05-23: US$1499.00; no sale recorded2024-05-26: US$81.99; no sale recorded2024-05-30: US$123.29; no sale recorded2024-06-14: US$44.00; no sale recorded2024-08-06: US$100.02; no sale recorded2024-08-24: US$81.99; no sale recorded2024-11-19: US$99.95; no sale recorded2025-02-20: US$81.99; no sale recorded2025-03-26: US$66.00; no sale recorded2025-03-27: US$65.30; no sale recorded2025-05-20: US$81.99; no sale recorded2025-10-30: US$164.00; no sale recorded2025-11-08: US$153.01; no sale recorded2025-11-22: US$116.79; no sale recorded2025-11-29: US$117.40; no sale recorded2025-12-09: US$164.00; no sale recorded2025-12-23: US$118.00; no sale recorded2026-02-24: US$114.90; no sale recorded2026-05-23: US$78.00; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$81.99

49 plotted records from 49 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

65 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
09 Jun 20262x Siemens Simatic 6ES7921-3AA20-0AA0 Version: 03 Connector -Unused/Original Packaging-eBay 406988396975Neu: Sonstige (siehe Artikelbeschreibung)44.98 [DE]0Recorded activeDE
23 May 20263x Siemens SIMATIC S7 6ES7921-3AA20-0AA0 Version: 03 Front Plug -used-eBay 406946751085Gebraucht33.65 [DE]0Recorded activeDE
23 May 2026Siemens 6ES7921-3AA20-0AA0 SIMATIC PLC Module Industrial AccessoryeBay 227355261427New$78.000Recorded activeCN
15 May 2026Siemens 6ES7921-3AA20-0AA0eBay 117195681455Neu23.42 [DE]0Recorded activeDE
13 Mar 20262x Siemens Simatic 6ES7921-3AA20-0AA0 Version: 03 Connector -Unused/Original Packaging-eBay 406763926173Neu: Sonstige (siehe Artikelbeschreibung)44.90 [DE]0Recorded activeDE
11 Mar 2026Siemens Simatic 6ES7921-3AA20-0AA0 Version: 03 Connector -sealed-eBay 406756966272Neu: Sonstige (siehe Artikelbeschreibung)29.03 [DE]0Recorded activeDE
07 Mar 20263x Siemens SIMATIC S7 6ES7921-3AA20-0AA0 Version: 03 Front Plug -used-eBay 168213431288Gebraucht33.69 [DE]0Recorded activeDE
24 Feb 20265pcs Siemens 6ES7921-3AA20-0AA0 6ES7 921-3AA20-0AA0eBay 267585255204Used$114.900Recorded activeBE
09 Jan 2026Siemens Simatic plug 6es7921-3aa20-0aa0 / 6es7 921-3aa20-0aa0 / new original packagingeBay 406572825546Neu51.37 [DE]0Recorded activeDE
04 Jan 20262x Siemens Simatic 6ES7921-3AA20-0AA0 Version: 03 Connector -Unused/Original Packaging-eBay 406557334204Neu: Sonstige (siehe Artikelbeschreibung)45.70 [DE]0Recorded activeDE
03 Jan 2026Siemens Simatic 6ES7921-3AA20-0AA0 Version: 03 Connector -sealed-eBay 168054581918Neu: Sonstige (siehe Artikelbeschreibung)29.30 [DE]0Recorded activeDE
31 Dec 20253x Siemens SIMATIC S7 6ES7921-3AA20-0AA0 Version: 03 Front Plug -used-eBay 406541826882Gebraucht34.07 [DE]0Recorded activeDE
23 Dec 20251PCS SIEMENS CONNECTOR 6ES7921-3AA20-0AA0 SIMATIC ET 200SP New In BoxeBay 397423218553New$118.000Recorded activeCN
09 Dec 20256ES7 921-3AA20-0AA0 6ES7921-3AA20-0AA0 1PCS New Siemens Expedited ShippingeBay 366045952668New$164.000Recorded activeCN
29 Nov 20255pcs Siemens 6ES7921-3AA20-0AA0 6ES7 921-3AA20-0AA0eBay 267495052683Used$117.400Recorded activeBE
22 Nov 20255pcs SIEMENS 6ES7921-3AA20-0AA0 6ES7 921-3AA20-0AA0eBay 267486287122D'occasion$116.790Recorded activeBE
08 Nov 2025ONE New Siemens 6ES7 921-3AA20-0AA0 / 6ES7921-3AA20-0AA0 Module Fast ShipeBay 365968506413New$153.010Recorded activeCN
06 Nov 2025Siemens Simatic plug 6es7921-3aa20-0aa0 / 6es7 921-3aa20-0aa0 / new original packagingeBay 127474658868Neu50.56 [DE]0Recorded activeDE
30 Oct 20256ES7 921-3AA20-0AA0 6ES7921-3AA20-0AA0 1PCS New Siemens Expedited ShippingeBay 365952645194New$164.000Recorded activeCN
20 May 2025SIEMENS 6ES7921-3AA20-0AA0 CONNECTOReBay 316836549126New - Open box$81.990Recorded activeUS
23 Apr 2025Siemens SIMATIC 6ES7921-3AA20-0AA0 6ES7 921-3AA20-0AA0 FS: 03 -sealed-eBay 405801237320Neu: Sonstige (siehe Artikelbeschreibung)28.55 [DE]0Recorded activeDE
27 Mar 2025Siemens Simatic Stecker 6ES7921-3AA20-0AA0 / 6ES7 921-3AA20-0AA0eBay 388155701841New$65.300Recorded activeUS
26 Mar 20255pcs SIEMENS 6ES7921-3AA20-0AA0 6ES7 921-3AA20-0AA0eBay 267200996126Used$66.000Recorded activeBE
20 Feb 2025SIEMENS 6ES7921-3AA20-0AA0 CONNECTOReBay 316335422281New - Open box$81.990Recorded activeUS
19 Nov 2024SIEMENS 6ES7921-3AA20-0AA0eBay 167106071030New - Open box$99.950Recorded 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

6ES7912-0AA00-0AA06ES79120AA000AA06ES7921-3AA00-0AA06ES7921-3AA20-0AA0/6ES76ES7921-3AB00-0AA06ES7921-3AB20-0AA0

Related part numbers

6ES7141-5BF00-0BA06ES7550-1AA01-0AB06ES7131-6BF00-0CA06ES7334-0KE00-0AB06SN1118-0AA11-0AA06ES7318-3EL01-0AB06SN1123-1AA00-0CA16SN1121-0BA11-0AA16SN1123-1AA00-0EA16AU1445-0AA00-0AA16SN1145-1AA01-0AA16SL3055-0AA00-3KA06EP3310-6SB00-0AY06GK7542-1AX00-0XE06GK7243-2AX01-0XA0

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