PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES5451-7LA21

PLCs and I/O (SIMATIC) family illustration
Recorded listings
170
Recorded quantity sold
5
Median recorded price
$395.19143 US-dollar records
Recorded price range
$26.19to $1332.98 USD
First listing start: 25 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.0.00500.001000.001500.002000.00Mar 2017Jul 2019Dec 2021May 2024Oct 20262017-03-25: US$695.99; no sale recorded2017-10-01: US$56.14; sold recorded2017-10-19: US$590.00; no sale recorded2017-10-20: US$591.00; no sale recorded2017-10-20: US$585.00; no sale recorded2017-10-25: US$112.30; no sale recorded2018-01-24: US$590.00; no sale recorded2018-03-25: US$568.34; no sale recorded2018-07-05: US$310.29; no sale recorded2018-10-16: US$585.00; no sale recorded2019-10-01: US$324.03; no sale recorded2019-10-28: US$465.00; no sale recorded2019-12-28: US$97.94; no sale recorded2020-01-27: US$79.10; no sale recorded2020-02-20: US$571.00; no sale recorded2020-03-16: US$462.00; no sale recorded2020-06-02: US$358.65; no sale recorded2020-07-04: US$74.48; no sale recorded2020-08-01: US$89.71; no sale recorded2020-08-27: US$564.00; no sale recorded2020-10-01: US$90.03; no sale recorded2021-04-02: US$50.84; no sale recorded2022-01-10: US$395.19; no sale recorded2022-03-23: US$305.49; no sale recorded2022-04-07: US$1249.50; no sale recorded2022-04-17: US$227.44; no sale recorded2022-06-25: US$438.33; no sale recorded2022-08-05: US$289.00; no sale recorded2022-09-05: US$113.72; no sale recorded2022-10-04: US$275.00; no sale recorded2022-12-01: US$1332.98; no sale recorded2023-04-11: US$307.73; no sale recorded2023-05-19: US$567.36; no sale recorded2023-05-19: US$567.00; no sale recorded2023-06-05: US$47.12; no sale recorded2023-06-10: US$415.00; no sale recorded2023-06-15: US$185.00; no sale recorded2023-06-21: US$436.90; no sale recorded2023-07-05: US$434.06; no sale recorded2023-07-21: US$557.00; no sale recorded2023-07-21: US$435.48; no sale recorded2023-07-26: US$440.04; no sale recorded2023-08-15: US$567.30; no sale recorded2023-08-30: US$214.94; no sale recorded2023-09-05: US$113.72; no sale recorded2023-09-15: US$567.30; no sale recorded2023-09-20: US$200.00; no sale recorded2023-10-20: US$438.90; no sale recorded2023-10-31: US$567.30; no sale recorded2024-01-12: US$567.30; no sale recorded2024-03-20: US$675.00; no sale recorded2024-03-29: US$567.30; no sale recorded2024-05-23: US$651.63; no sale recorded2024-06-01: US$437.48; no sale recorded2024-07-30: US$582.00; no sale recorded2024-08-03: US$567.30; no sale recorded2024-08-26: US$26.19; no sale recorded2024-12-03: US$432.91; no sale recorded2025-01-13: US$210.01; sold recorded2025-03-04: US$210.21; no sale recorded2025-03-12: US$462.72; no sale recorded2025-03-18: US$249.89; no sale recorded2025-03-18: US$448.60; no sale recorded2025-03-24: US$203.70; no sale recorded2025-04-11: US$256.26; no sale recorded2025-05-23: US$742.85; no sale recorded2025-06-02: US$596.87; no sale recorded2025-06-05: US$819.02; no sale recorded2025-06-07: US$231.06; no sale recorded2025-06-09: US$765.44; no sale recorded2025-06-12: US$210.04; no sale recorded2025-06-12: US$210.01; no sale recorded2025-06-12: US$210.06; no sale recorded2025-06-13: US$209.99; no sale recorded2025-06-18: US$215.06; no sale recorded2025-06-24: US$210.03; no sale recorded2025-06-25: US$461.40; no sale recorded2025-06-25: US$209.99; no sale recorded2025-07-15: US$266.68; no sale recorded2025-07-24: US$585.79; no sale recorded2025-07-29: US$675.00; no sale recorded2025-08-18: US$260.00; no sale recorded2025-08-20: US$775.36; no sale recorded2025-08-29: US$765.36; no sale recorded2025-09-03: US$210.33; no sale recorded2025-09-05: US$618.92; no sale recorded2025-09-11: US$210.03; no sale recorded2025-09-11: US$210.01; no sale recorded2025-09-11: US$210.00; no sale recorded2025-09-13: US$209.98; no sale recorded2025-09-20: US$210.47; no sale recorded2025-09-24: US$209.98; no sale recorded2025-09-24: US$210.05; no sale recorded2025-09-25: US$209.98; no sale recorded2025-09-26: US$208.55; no sale recorded2025-10-07: US$113.72; no sale recorded2025-10-07: US$751.94; no sale recorded2025-10-08: US$321.99; no sale recorded2025-10-11: US$210.05; no sale recorded2025-10-23: US$150.00; no sale recorded2025-11-10: US$124.27; no sale recorded2025-11-16: US$289.07; no sale recorded2025-11-18: US$464.45; no sale recorded2025-11-28: US$232.36; no sale recorded2025-11-30: US$603.30; no sale recorded2025-12-05: US$456.90; no sale recorded2025-12-11: US$209.99; no sale recorded2025-12-11: US$210.02; no sale recorded2026-01-10: US$554.14; no sale recorded2026-01-23: US$554.14; no sale recorded2026-02-04: US$554.14; no sale recorded2026-02-06: US$554.14; no sale recorded2026-02-27: US$520.89; no sale recorded2026-02-27: US$460.26; no sale recorded2026-03-04: US$306.97; no sale recorded2026-03-13: US$209.97; no sale recorded2026-03-22: US$520.89; no sale recorded2026-04-01: US$460.50; no sale recorded2026-04-02: US$441.47; no sale recorded2026-04-02: US$304.49; no sale recorded2026-04-03: US$432.64; no sale recorded2026-04-10: US$789.35; no sale recorded2026-04-10: US$209.98; no sale recorded2026-04-11: US$762.65; no sale recorded2026-04-26: US$520.89; no sale recorded2026-05-02: US$35.81; no sale recorded2026-05-04: US$52.65; no sale recorded2026-05-14: US$784.35; no sale recorded2026-05-21: US$458.40; no sale recorded2026-05-22: US$210.03; no sale recorded2026-05-29: US$459.00; no sale recorded2026-06-02: US$460.50; no sale recorded2026-06-03: US$209.54; no sale recorded2026-06-05: US$456.90; no sale recorded2026-06-11: US$318.47; no sale recorded2026-06-12: US$210.00; no sale recorded2026-06-17: US$458.40; no sale recorded2026-06-19: US$306.16; no sale recorded2026-06-23: US$464.40; no sale recorded2026-07-01: US$210.24; no sale recorded2026-07-07: US$448.60; no sale recorded2026-07-10: US$209.90; no sale recorded2026-10-06: US$39.33; 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.0.00500.001000.001500.002000.00Mar 2017Dec 2021Oct 20262017-03-25: US$695.99; no sale recorded2017-10-01: US$56.14; sold recorded2017-10-19: US$590.00; no sale recorded2017-10-20: US$591.00; no sale recorded2017-10-20: US$585.00; no sale recorded2017-10-25: US$112.30; no sale recorded2018-01-24: US$590.00; no sale recorded2018-03-25: US$568.34; no sale recorded2018-07-05: US$310.29; no sale recorded2018-10-16: US$585.00; no sale recorded2019-10-01: US$324.03; no sale recorded2019-10-28: US$465.00; no sale recorded2019-12-28: US$97.94; no sale recorded2020-01-27: US$79.10; no sale recorded2020-02-20: US$571.00; no sale recorded2020-03-16: US$462.00; no sale recorded2020-06-02: US$358.65; no sale recorded2020-07-04: US$74.48; no sale recorded2020-08-01: US$89.71; no sale recorded2020-08-27: US$564.00; no sale recorded2020-10-01: US$90.03; no sale recorded2021-04-02: US$50.84; no sale recorded2022-01-10: US$395.19; no sale recorded2022-03-23: US$305.49; no sale recorded2022-04-07: US$1249.50; no sale recorded2022-04-17: US$227.44; no sale recorded2022-06-25: US$438.33; no sale recorded2022-08-05: US$289.00; no sale recorded2022-09-05: US$113.72; no sale recorded2022-10-04: US$275.00; no sale recorded2022-12-01: US$1332.98; no sale recorded2023-04-11: US$307.73; no sale recorded2023-05-19: US$567.36; no sale recorded2023-05-19: US$567.00; no sale recorded2023-06-05: US$47.12; no sale recorded2023-06-10: US$415.00; no sale recorded2023-06-15: US$185.00; no sale recorded2023-06-21: US$436.90; no sale recorded2023-07-05: US$434.06; no sale recorded2023-07-21: US$557.00; no sale recorded2023-07-21: US$435.48; no sale recorded2023-07-26: US$440.04; no sale recorded2023-08-15: US$567.30; no sale recorded2023-08-30: US$214.94; no sale recorded2023-09-05: US$113.72; no sale recorded2023-09-15: US$567.30; no sale recorded2023-09-20: US$200.00; no sale recorded2023-10-20: US$438.90; no sale recorded2023-10-31: US$567.30; no sale recorded2024-01-12: US$567.30; no sale recorded2024-03-20: US$675.00; no sale recorded2024-03-29: US$567.30; no sale recorded2024-05-23: US$651.63; no sale recorded2024-06-01: US$437.48; no sale recorded2024-07-30: US$582.00; no sale recorded2024-08-03: US$567.30; no sale recorded2024-08-26: US$26.19; no sale recorded2024-12-03: US$432.91; no sale recorded2025-01-13: US$210.01; sold recorded2025-03-04: US$210.21; no sale recorded2025-03-12: US$462.72; no sale recorded2025-03-18: US$249.89; no sale recorded2025-03-18: US$448.60; no sale recorded2025-03-24: US$203.70; no sale recorded2025-04-11: US$256.26; no sale recorded2025-05-23: US$742.85; no sale recorded2025-06-02: US$596.87; no sale recorded2025-06-05: US$819.02; no sale recorded2025-06-07: US$231.06; no sale recorded2025-06-09: US$765.44; no sale recorded2025-06-12: US$210.04; no sale recorded2025-06-12: US$210.01; no sale recorded2025-06-12: US$210.06; no sale recorded2025-06-13: US$209.99; no sale recorded2025-06-18: US$215.06; no sale recorded2025-06-24: US$210.03; no sale recorded2025-06-25: US$461.40; no sale recorded2025-06-25: US$209.99; no sale recorded2025-07-15: US$266.68; no sale recorded2025-07-24: US$585.79; no sale recorded2025-07-29: US$675.00; no sale recorded2025-08-18: US$260.00; no sale recorded2025-08-20: US$775.36; no sale recorded2025-08-29: US$765.36; no sale recorded2025-09-03: US$210.33; no sale recorded2025-09-05: US$618.92; no sale recorded2025-09-11: US$210.03; no sale recorded2025-09-11: US$210.01; no sale recorded2025-09-11: US$210.00; no sale recorded2025-09-13: US$209.98; no sale recorded2025-09-20: US$210.47; no sale recorded2025-09-24: US$209.98; no sale recorded2025-09-24: US$210.05; no sale recorded2025-09-25: US$209.98; no sale recorded2025-09-26: US$208.55; no sale recorded2025-10-07: US$113.72; no sale recorded2025-10-07: US$751.94; no sale recorded2025-10-08: US$321.99; no sale recorded2025-10-11: US$210.05; no sale recorded2025-10-23: US$150.00; no sale recorded2025-11-10: US$124.27; no sale recorded2025-11-16: US$289.07; no sale recorded2025-11-18: US$464.45; no sale recorded2025-11-28: US$232.36; no sale recorded2025-11-30: US$603.30; no sale recorded2025-12-05: US$456.90; no sale recorded2025-12-11: US$209.99; no sale recorded2025-12-11: US$210.02; no sale recorded2026-01-10: US$554.14; no sale recorded2026-01-23: US$554.14; no sale recorded2026-02-04: US$554.14; no sale recorded2026-02-06: US$554.14; no sale recorded2026-02-27: US$520.89; no sale recorded2026-02-27: US$460.26; no sale recorded2026-03-04: US$306.97; no sale recorded2026-03-13: US$209.97; no sale recorded2026-03-22: US$520.89; no sale recorded2026-04-01: US$460.50; no sale recorded2026-04-02: US$441.47; no sale recorded2026-04-02: US$304.49; no sale recorded2026-04-03: US$432.64; no sale recorded2026-04-10: US$789.35; no sale recorded2026-04-10: US$209.98; no sale recorded2026-04-11: US$762.65; no sale recorded2026-04-26: US$520.89; no sale recorded2026-05-02: US$35.81; no sale recorded2026-05-04: US$52.65; no sale recorded2026-05-14: US$784.35; no sale recorded2026-05-21: US$458.40; no sale recorded2026-05-22: US$210.03; no sale recorded2026-05-29: US$459.00; no sale recorded2026-06-02: US$460.50; no sale recorded2026-06-03: US$209.54; no sale recorded2026-06-05: US$456.90; no sale recorded2026-06-11: US$318.47; no sale recorded2026-06-12: US$210.00; no sale recorded2026-06-17: US$458.40; no sale recorded2026-06-19: US$306.16; no sale recorded2026-06-23: US$464.40; no sale recorded2026-07-01: US$210.24; no sale recorded2026-07-07: US$448.60; no sale recorded2026-07-10: US$209.90; no sale recorded2026-10-06: US$39.33; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$395.19

143 plotted records from 143 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

170 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
06 Oct 2026Siemens Digital Output Module 6ES5451-7LA21 Simatic S5 E-Stand 13eBay 237109950838Used$39.330Recorded activeDE
10 Jul 20261PCS Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21 NeweBay 117294488485New$209.900Recorded activeCN
07 Jul 20261PC New In Box Siemens 6ES5451-7LA21 6ES5 451-7LA21 quality assuranceeBay 800303476923New$448.600Recorded activeCN
01 Jul 20261PCS Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21 NeweBay 407039440396New$210.240Recorded activeCN
23 Jun 2026New SIEMENS In Box 6ES5451-7LA21 6ES5 451-7LA21 One year warrantyeBay 318495734838New$464.400Recorded activeCN
19 Jun 20261PCS New In Box Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21eBay 377277244604New$306.160Recorded activeUS
17 Jun 20261PC New In Box Siemens 6ES5451-7LA21 6ES5 451-7LA21 One year warrantyeBay 336644085080New$458.400Recorded activeHK
12 Jun 2026ONE New In Box Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21eBay 398055176668New$210.000Recorded activeCN
11 Jun 20266ES5451-7LA21 1PCS NEW Siemens Simatic S5 Digital OUT 6ES54517LA21eBay 206339527945New$318.470Recorded activeCN
05 Jun 2026NEW SIEMENS 1PC In Box 6ES5451-7LA21 6ES5 451-7LA21 One year warrantyeBay 336622023249New$456.900Recorded activeCN
03 Jun 20261PCS Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21 New In BoxeBay 318404950372New$209.540Recorded activeCN
02 Jun 20261PC New In Box Siemens 6ES5451-7LA21 6ES5 451-7LA21 ship freeeBay 336615258792New$460.500Recorded activeCN
29 May 2026NEW SIEMENS 1PC In Box 6ES5451-7LA21 6ES5 451-7LA21 SPOT STOCKeBay 168412884986New$459.000Recorded activeCN
22 May 2026ONE New In Box Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21eBay 336595701456New$210.030Recorded activeCN
21 May 2026NEW 1PC In Box Siemens 6ES5451-7LA21 6ES5 451-7LA21 One year warrantyeBay 198370667752New$458.400Recorded activeCN
14 May 20261pc New SIEMENS 6ES5451-7LA21 Module 6ES54517LA21eBay 157910086162New$784.350Recorded activeUS
14 May 2026Siemens Simatic S5 6ES5451-7LA21 E:02 Digital Output No Cover -used/attn-eBay 168374864769Gebraucht57.38 [DE]0Recorded activeDE
04 May 2026Siemens Digital Output Module 6ES5451-7LA21 Simatic S5 E-Stand 13eBay 236797683803Used$52.650Recorded activeDE
02 May 2026Siemens Digital Output Module 6ES5451-7LA21 Simatic S5 E-Stand 11eBay 327136149605Used$35.810Recorded activeDE
26 Apr 2026SIEMENS 6ES5451-7LA21 / 6ES54517LA21 (USED)eBay 397881578996Used$520.890Recorded activeUS
23 Apr 2026Siemens Simatic S5 6ES5451-7LA21 E-Stand: 02 Digital Output -used-eBay 168327892467Gebraucht80.76 [DE]0Recorded activeDE
11 Apr 20261PCS New SIEMENS 6ES5451-7LA21 Module 6ES54517LA21eBay 298215468704New$762.650Recorded activeUS
10 Apr 20261PCS Siemens PLC 6ES5 451-7LA21 6ES5451-7LA21 NeweBay 117135905558New$209.980Recorded activeCN
10 Apr 20261pcs New SIEMENS 6ES5451-7LA21 Module 6ES54517LA21eBay 377102294589New$789.350Recorded activeUS
03 Apr 2026NEW In Box Siemens 6ES5451-7LA21 6ES5 451-7LA21eBay 168283509265New$432.640Recorded 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

6ES5451-7LA11/6ES56ES5451-7LA11/6ES5451-7LA126ES5451-7LA126ES5451-8MA116ES5451-8MA11/6ES56ES5451-8MA11/6ES5451-8MA11

Related part numbers

6ES5458-7LA116ES5458-7LA126ES5431-4UA126ES5752-0AA226ES5924-3SA116ES5923-3UA116ES5095-8MA016ES5700-8MA116ES5430-4UA136ES5760-1AA116ES5752-0AA126ES5955-3LC146ES5922-3UA116ES5095-8MA036ES7151-3AA23-0AB0

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