PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES5947-3UA21

PLCs and I/O (SIMATIC) family illustration
Recorded listings
104
Recorded quantity sold
6
Median recorded price
$650.0083 US-dollar records
Recorded price range
$16.18to $4696.00 USD
First listing start: 24 Mar 2017Last listing start: 09 Jun 2026

Recorded price history

USD
Recorded US-dollar price historyLogarithmic price scale (price + 1). 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.01101001000Mar 2017Jun 2019Oct 2021Feb 2024Jun 20262017-03-24: US$750.00; no sale recorded2017-04-25: US$750.00; no sale recorded2017-07-26: US$699.99; no sale recorded2017-08-28: US$699.99; no sale recorded2017-09-27: US$650.00; no sale recorded2017-09-28: US$135.00; no sale recorded2017-10-27: US$650.00; no sale recorded2018-01-26: US$650.00; no sale recorded2018-03-28: US$650.00; no sale recorded2018-04-27: US$275.00; no sale recorded2018-04-27: US$650.00; no sale recorded2018-05-29: US$650.00; no sale recorded2018-06-28: US$650.00; no sale recorded2018-08-29: US$650.00; no sale recorded2018-09-28: US$650.00; no sale recorded2018-12-27: US$275.00; no sale recorded2019-01-28: US$650.00; no sale recorded2019-10-16: US$36.35; no sale recorded2019-10-30: US$1900.00; no sale recorded2019-11-18: US$67.17; no sale recorded2019-12-28: US$1900.00; no sale recorded2020-11-03: US$1920.00; no sale recorded2022-01-10: US$60.58; no sale recorded2022-02-25: US$229.99; no sale recorded2022-03-04: US$61.72; no sale recorded2022-03-25: US$16.18; no sale recorded2022-04-06: US$4696.00; no sale recorded2022-04-07: US$2348.00; no sale recorded2022-06-27: US$2222.85; no sale recorded2022-07-22: US$704.25; no sale recorded2022-07-29: US$1042.00; no sale recorded2022-08-05: US$4460.72; no sale recorded2022-11-02: US$228.97; no sale recorded2023-03-28: US$2211.54; no sale recorded2023-05-05: US$2224.16; no sale recorded2023-06-23: US$754.05; no sale recorded2023-06-29: US$57.99; no sale recorded2023-08-03: US$233.35; no sale recorded2023-08-29: US$2219.00; no sale recorded2023-11-01: US$2225.46; no sale recorded2024-01-04: US$2200.00; no sale recorded2024-01-12: US$2000.80; no sale recorded2024-02-27: US$2224.76; sold recorded2024-03-26: US$3057.44; no sale recorded2024-04-23: US$2015.04; no sale recorded2024-05-17: US$2014.74; no sale recorded2024-07-05: US$2217.50; no sale recorded2024-09-14: US$79.78; no sale recorded2024-11-02: US$2211.72; no sale recorded2025-03-03: US$228.70; sold recorded2025-03-19: US$2209.80; no sale recorded2025-03-26: US$50.00; no sale recorded2025-03-27: US$2224.76; no sale recorded2025-04-26: US$275.00; no sale recorded2025-07-15: US$228.07; no sale recorded2025-08-02: US$2357.25; no sale recorded2025-08-05: US$2304.21; no sale recorded2025-08-19: US$2215.89; no sale recorded2025-09-18: US$2227.20; no sale recorded2025-09-29: US$2219.00; no sale recorded2025-10-20: US$48.10; no sale recorded2025-10-20: US$43.28; no sale recorded2025-11-22: US$108.17; no sale recorded2025-11-29: US$108.72; no sale recorded2026-02-03: US$591.14; no sale recorded2026-02-05: US$2224.16; no sale recorded2026-02-07: US$591.14; no sale recorded2026-02-19: US$591.14; no sale recorded2026-02-24: US$106.06; no sale recorded2026-02-26: US$591.14; no sale recorded2026-03-05: US$591.14; no sale recorded2026-03-07: US$591.14; no sale recorded2026-03-20: US$591.14; no sale recorded2026-04-04: US$591.14; no sale recorded2026-04-09: US$591.14; no sale recorded2026-04-13: US$581.38; no sale recorded2026-04-20: US$581.38; no sale recorded2026-04-25: US$581.38; no sale recorded2026-05-01: US$581.38; no sale recorded2026-05-06: US$581.38; no sale recorded2026-05-23: US$2205.60; no sale recorded2026-06-08: US$2219.37; no sale recorded2026-06-09: US$133.33; no sale recordedRecorded US-dollar price historyLogarithmic price scale (price + 1). 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.01101001000Mar 2017Oct 2021Jun 20262017-03-24: US$750.00; no sale recorded2017-04-25: US$750.00; no sale recorded2017-07-26: US$699.99; no sale recorded2017-08-28: US$699.99; no sale recorded2017-09-27: US$650.00; no sale recorded2017-09-28: US$135.00; no sale recorded2017-10-27: US$650.00; no sale recorded2018-01-26: US$650.00; no sale recorded2018-03-28: US$650.00; no sale recorded2018-04-27: US$275.00; no sale recorded2018-04-27: US$650.00; no sale recorded2018-05-29: US$650.00; no sale recorded2018-06-28: US$650.00; no sale recorded2018-08-29: US$650.00; no sale recorded2018-09-28: US$650.00; no sale recorded2018-12-27: US$275.00; no sale recorded2019-01-28: US$650.00; no sale recorded2019-10-16: US$36.35; no sale recorded2019-10-30: US$1900.00; no sale recorded2019-11-18: US$67.17; no sale recorded2019-12-28: US$1900.00; no sale recorded2020-11-03: US$1920.00; no sale recorded2022-01-10: US$60.58; no sale recorded2022-02-25: US$229.99; no sale recorded2022-03-04: US$61.72; no sale recorded2022-03-25: US$16.18; no sale recorded2022-04-06: US$4696.00; no sale recorded2022-04-07: US$2348.00; no sale recorded2022-06-27: US$2222.85; no sale recorded2022-07-22: US$704.25; no sale recorded2022-07-29: US$1042.00; no sale recorded2022-08-05: US$4460.72; no sale recorded2022-11-02: US$228.97; no sale recorded2023-03-28: US$2211.54; no sale recorded2023-05-05: US$2224.16; no sale recorded2023-06-23: US$754.05; no sale recorded2023-06-29: US$57.99; no sale recorded2023-08-03: US$233.35; no sale recorded2023-08-29: US$2219.00; no sale recorded2023-11-01: US$2225.46; no sale recorded2024-01-04: US$2200.00; no sale recorded2024-01-12: US$2000.80; no sale recorded2024-02-27: US$2224.76; sold recorded2024-03-26: US$3057.44; no sale recorded2024-04-23: US$2015.04; no sale recorded2024-05-17: US$2014.74; no sale recorded2024-07-05: US$2217.50; no sale recorded2024-09-14: US$79.78; no sale recorded2024-11-02: US$2211.72; no sale recorded2025-03-03: US$228.70; sold recorded2025-03-19: US$2209.80; no sale recorded2025-03-26: US$50.00; no sale recorded2025-03-27: US$2224.76; no sale recorded2025-04-26: US$275.00; no sale recorded2025-07-15: US$228.07; no sale recorded2025-08-02: US$2357.25; no sale recorded2025-08-05: US$2304.21; no sale recorded2025-08-19: US$2215.89; no sale recorded2025-09-18: US$2227.20; no sale recorded2025-09-29: US$2219.00; no sale recorded2025-10-20: US$48.10; no sale recorded2025-10-20: US$43.28; no sale recorded2025-11-22: US$108.17; no sale recorded2025-11-29: US$108.72; no sale recorded2026-02-03: US$591.14; no sale recorded2026-02-05: US$2224.16; no sale recorded2026-02-07: US$591.14; no sale recorded2026-02-19: US$591.14; no sale recorded2026-02-24: US$106.06; no sale recorded2026-02-26: US$591.14; no sale recorded2026-03-05: US$591.14; no sale recorded2026-03-07: US$591.14; no sale recorded2026-03-20: US$591.14; no sale recorded2026-04-04: US$591.14; no sale recorded2026-04-09: US$591.14; no sale recorded2026-04-13: US$581.38; no sale recorded2026-04-20: US$581.38; no sale recorded2026-04-25: US$581.38; no sale recorded2026-05-01: US$581.38; no sale recorded2026-05-06: US$581.38; no sale recorded2026-05-23: US$2205.60; no sale recorded2026-06-08: US$2219.37; no sale recorded2026-06-09: US$133.33; no sale recorded
Sold recordedNo sale recordedMonthly median

Logarithmic price scale (price + 1). Dates are listing starts.

Median recorded price, all years$650.00

83 plotted records from 83 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

104 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
09 Jun 2026Siemens SIMATIC S5 6ES5947-3UA21 6ES5 947-3UA21 CPU REFURBISHEDeBay 188488753415Seller refurbished$133.330Recorded activeUS
08 Jun 20261PC NEW SIEMENS In Box 6ES5947-3UA21 6ES5 947-3UA21 SPOT STOCKeBay 168440989093New$2219.370Recorded activeCN
26 May 2026Siemens SIMATIC S5 6ES5947-3UA21 6ES5 947-3UA21 CPU -used-eBay 406953764720Gebraucht45.41 [DE]0Recorded activeDE
23 May 20261PC New In Box Siemens 6ES5947-3UA21 6ES5 947-3UA21 quality assuranceeBay 800057969918New$2205.600Recorded activeCN
06 May 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 236801028412Used$581.380Recorded activeUS
01 May 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 397898270515Used$581.380Recorded activeUS
25 Apr 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 318201059893Used$581.380Recorded activeUS
20 Apr 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 318175140673Used$581.380Recorded activeUS
13 Apr 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 397833881357Used$581.380Recorded activeUS
09 Apr 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 318124660387Used$591.140Recorded activeUS
04 Apr 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 397799738804Used$591.140Recorded activeUS
20 Mar 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 318032367785Used$591.140Recorded activeUS
12 Mar 2026Siemens SIMATIC S5 6ES5947-3UA21 6ES5 947-3UA21 CPU -used-eBay 406760985886Gebraucht45.11 [DE]0Recorded activeDE
07 Mar 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 236673268635Used$591.140Recorded activeUS
05 Mar 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 317955954741Used$591.140Recorded activeUS
26 Feb 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 397650882839Used$591.140Recorded activeUS
24 Feb 2026Siemens 6ES5947-3UA21 6ES5 947-3UA21eBay 267585255173New$106.060Recorded activeBE
21 Feb 2026Siemens 6ES5947-3UA21 SIMATIC S5 CPU 947 für S5-155U Zentralbaugruppen 947 CenteBay 168176760199Gebraucht25.81 [DE]0Recorded activeDE
19 Feb 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 236643658352Used$591.140Recorded activeUS
07 Feb 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 397580395614Used$591.140Recorded activeUS
05 Feb 20261PC NEW SIEMENS In Box 6ES5947-3UA21 6ES5 947-3UA21 ship DHLeBay 137016317899New$2224.160Recorded activeCN
03 Feb 2026SIEMENS 6ES5947-3UA21 / 6ES59473UA21 (USED)eBay 317834747896Used$591.140Recorded activeUS
04 Jan 2026Siemens SIMATIC S5 6ES5947-3UA21 6ES5 947-3UA21 CPU -used-eBay 168055564044Gebraucht45.70 [DE]0Recorded activeDE
03 Jan 2026Siemens 6ES5947-3UA21 6ES5 947-3UA21 E-Stand: 01 -used-eBay 168055156227Gebraucht52.74 [DE]0Recorded activeDE
29 Nov 2025Siemens 6ES5947-3UA21 6ES5 947-3UA21eBay 267495053477New$108.720Recorded activeBE
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

6ES5947-6ES5947-30A226ES5947-3UA116ES5947-3UA21/6ES56ES5947-3UA226ES5947-3UA22.CPU

Related part numbers

6ES5923-3UA116ES5922-3UA116ES5924-3SA116ES5441-8MA116ES5431-4UA126ES5095-8MA016ES5700-8MA116ES5430-4UA136ES5760-1AA116ES5752-0AA226ES5955-3LC146ES5458-7LA116ES5095-8MA036ES5752-0AA126ES5458-7LA12

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