PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES7321-1BL00-4AA2

PLCs and I/O (SIMATIC) family illustration
Recorded listings
152
Recorded quantity sold
8
Median recorded price
$545.00148 US-dollar records
Recorded price range
$267.00to $1031.40 USD
First listing start: 02 Mar 2020Last listing start: 25 Sep 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 2020Oct 2021Jun 2023Feb 2025Sep 20262020-03-02: US$545.00; no sale recorded2021-02-24: US$1031.40; no sale recorded2021-06-02: US$545.00; no sale recorded2022-04-12: US$566.09; no sale recorded2022-04-22: US$857.02; no sale recorded2023-05-22: US$555.07; no sale recorded2023-06-01: US$729.99; no sale recorded2023-06-17: US$588.45; no sale recorded2023-07-13: US$570.24; no sale recorded2023-07-20: US$567.00; no sale recorded2023-07-29: US$550.00; no sale recorded2023-08-04: US$549.40; no sale recorded2023-08-04: US$549.70; no sale recorded2023-08-07: US$549.80; no sale recorded2023-08-25: US$854.05; no sale recorded2023-08-30: US$729.99; no sale recorded2023-09-25: US$423.22; no sale recorded2023-10-09: US$711.55; no sale recorded2023-10-12: US$563.00; no sale recorded2023-10-17: US$803.06; no sale recorded2024-02-29: US$722.69; no sale recorded2024-04-12: US$549.70; no sale recorded2024-05-05: US$683.55; no sale recorded2024-05-22: US$566.08; no sale recorded2024-05-31: US$472.00; no sale recorded2024-06-10: US$432.53; sold recorded2024-06-10: US$432.33; sold recorded2024-07-04: US$476.99; no sale recorded2024-10-07: US$549.10; sold recorded2024-10-24: US$553.60; no sale recorded2024-12-17: US$431.43; sold recorded2024-12-17: US$431.73; sold recorded2025-01-13: US$432.32; sold recorded2025-01-17: US$432.13; sold recorded2025-01-24: US$544.21; no sale recorded2025-01-26: US$555.32; sold recorded2025-02-04: US$473.00; no sale recorded2025-02-04: US$474.00; no sale recorded2025-02-24: US$431.43; no sale recorded2025-02-24: US$459.69; no sale recorded2025-02-24: US$459.79; no sale recorded2025-02-24: US$459.89; no sale recorded2025-02-24: US$459.99; no sale recorded2025-03-07: US$541.72; no sale recorded2025-03-21: US$503.30; no sale recorded2025-04-14: US$653.78; no sale recorded2025-04-21: US$588.18; no sale recorded2025-05-04: US$507.11; no sale recorded2025-05-10: US$529.03; no sale recorded2025-05-12: US$507.00; no sale recorded2025-05-12: US$507.00; no sale recorded2025-05-16: US$492.95; no sale recorded2025-05-20: US$512.00; no sale recorded2025-05-23: US$628.82; no sale recorded2025-05-24: US$637.29; no sale recorded2025-05-29: US$659.00; no sale recorded2025-06-01: US$532.35; no sale recorded2025-06-03: US$579.70; no sale recorded2025-06-04: US$267.00; no sale recorded2025-06-05: US$502.00; no sale recorded2025-06-06: US$401.25; no sale recorded2025-06-10: US$507.00; no sale recorded2025-06-11: US$456.80; no sale recorded2025-06-18: US$556.46; no sale recorded2025-06-18: US$513.36; no sale recorded2025-06-18: US$458.79; no sale recorded2025-06-28: US$463.68; no sale recorded2025-06-29: US$509.00; no sale recorded2025-07-04: US$645.00; no sale recorded2025-07-10: US$583.45; no sale recorded2025-07-16: US$628.82; no sale recorded2025-07-23: US$468.23; no sale recorded2025-07-23: US$521.62; no sale recorded2025-07-23: US$467.66; no sale recorded2025-07-24: US$678.16; no sale recorded2025-07-30: US$604.68; no sale recorded2025-08-01: US$712.21; no sale recorded2025-08-12: US$618.04; no sale recorded2025-08-23: US$509.00; no sale recorded2025-09-08: US$509.58; no sale recorded2025-09-10: US$481.75; no sale recorded2025-09-17: US$502.00; no sale recorded2025-09-17: US$458.48; no sale recorded2025-09-17: US$458.38; no sale recorded2025-09-17: US$458.28; no sale recorded2025-09-17: US$458.18; no sale recorded2025-09-17: US$458.98; no sale recorded2025-09-19: US$547.54; no sale recorded2025-09-22: US$420.00; no sale recorded2025-09-23: US$567.60; no sale recorded2025-09-28: US$919.17; no sale recorded2025-10-01: US$707.62; no sale recorded2025-10-10: US$654.10; no sale recorded2025-10-13: US$458.78; no sale recorded2025-10-14: US$733.13; no sale recorded2025-10-21: US$568.88; no sale recorded2025-11-05: US$615.97; no sale recorded2025-11-07: US$628.82; no sale recorded2025-11-12: US$481.50; no sale recorded2025-11-13: US$659.10; no sale recorded2025-11-15: US$537.42; no sale recorded2025-11-18: US$446.22; no sale recorded2025-12-01: US$569.01; no sale recorded2025-12-12: US$565.23; no sale recorded2025-12-13: US$400.81; no sale recorded2025-12-19: US$552.19; no sale recorded2025-12-20: US$638.70; no sale recorded2025-12-25: US$541.68; no sale recorded2025-12-25: US$461.00; no sale recorded2026-01-02: US$507.00; no sale recorded2026-01-07: US$634.21; no sale recorded2026-01-16: US$452.66; no sale recorded2026-01-23: US$519.99; no sale recorded2026-01-28: US$458.78; no sale recorded2026-01-30: US$499.00; no sale recorded2026-02-10: US$664.97; no sale recorded2026-02-12: US$641.98; no sale recorded2026-02-28: US$533.12; no sale recorded2026-03-06: US$511.68; no sale recorded2026-03-23: US$628.82; no sale recorded2026-03-25: US$866.67; no sale recorded2026-03-25: US$534.65; no sale recorded2026-03-30: US$739.83; no sale recorded2026-04-01: US$687.15; no sale recorded2026-04-10: US$583.45; no sale recorded2026-04-13: US$493.88; no sale recorded2026-04-20: US$550.77; no sale recorded2026-04-24: US$458.79; no sale recorded2026-04-24: US$457.99; no sale recorded2026-04-26: US$389.21; no sale recorded2026-05-06: US$573.48; no sale recorded2026-05-19: US$550.18; no sale recorded2026-05-20: US$567.00; no sale recorded2026-06-03: US$573.61; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$565.50; no sale recorded2026-06-10: US$501.00; no sale recorded2026-06-15: US$554.37; no sale recorded2026-06-22: US$555.07; no sale recorded2026-06-29: US$630.45; no sale recorded2026-07-06: US$668.48; no sale recorded2026-07-07: US$649.99; no sale recorded2026-07-14: US$423.22; no sale recorded2026-07-22: US$555.07; no sale recorded2026-09-25: US$780.00; 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.0.00500.001000.001500.002000.00Mar 2020Jun 2023Sep 20262020-03-02: US$545.00; no sale recorded2021-02-24: US$1031.40; no sale recorded2021-06-02: US$545.00; no sale recorded2022-04-12: US$566.09; no sale recorded2022-04-22: US$857.02; no sale recorded2023-05-22: US$555.07; no sale recorded2023-06-01: US$729.99; no sale recorded2023-06-17: US$588.45; no sale recorded2023-07-13: US$570.24; no sale recorded2023-07-20: US$567.00; no sale recorded2023-07-29: US$550.00; no sale recorded2023-08-04: US$549.40; no sale recorded2023-08-04: US$549.70; no sale recorded2023-08-07: US$549.80; no sale recorded2023-08-25: US$854.05; no sale recorded2023-08-30: US$729.99; no sale recorded2023-09-25: US$423.22; no sale recorded2023-10-09: US$711.55; no sale recorded2023-10-12: US$563.00; no sale recorded2023-10-17: US$803.06; no sale recorded2024-02-29: US$722.69; no sale recorded2024-04-12: US$549.70; no sale recorded2024-05-05: US$683.55; no sale recorded2024-05-22: US$566.08; no sale recorded2024-05-31: US$472.00; no sale recorded2024-06-10: US$432.53; sold recorded2024-06-10: US$432.33; sold recorded2024-07-04: US$476.99; no sale recorded2024-10-07: US$549.10; sold recorded2024-10-24: US$553.60; no sale recorded2024-12-17: US$431.43; sold recorded2024-12-17: US$431.73; sold recorded2025-01-13: US$432.32; sold recorded2025-01-17: US$432.13; sold recorded2025-01-24: US$544.21; no sale recorded2025-01-26: US$555.32; sold recorded2025-02-04: US$473.00; no sale recorded2025-02-04: US$474.00; no sale recorded2025-02-24: US$431.43; no sale recorded2025-02-24: US$459.69; no sale recorded2025-02-24: US$459.79; no sale recorded2025-02-24: US$459.89; no sale recorded2025-02-24: US$459.99; no sale recorded2025-03-07: US$541.72; no sale recorded2025-03-21: US$503.30; no sale recorded2025-04-14: US$653.78; no sale recorded2025-04-21: US$588.18; no sale recorded2025-05-04: US$507.11; no sale recorded2025-05-10: US$529.03; no sale recorded2025-05-12: US$507.00; no sale recorded2025-05-12: US$507.00; no sale recorded2025-05-16: US$492.95; no sale recorded2025-05-20: US$512.00; no sale recorded2025-05-23: US$628.82; no sale recorded2025-05-24: US$637.29; no sale recorded2025-05-29: US$659.00; no sale recorded2025-06-01: US$532.35; no sale recorded2025-06-03: US$579.70; no sale recorded2025-06-04: US$267.00; no sale recorded2025-06-05: US$502.00; no sale recorded2025-06-06: US$401.25; no sale recorded2025-06-10: US$507.00; no sale recorded2025-06-11: US$456.80; no sale recorded2025-06-18: US$556.46; no sale recorded2025-06-18: US$513.36; no sale recorded2025-06-18: US$458.79; no sale recorded2025-06-28: US$463.68; no sale recorded2025-06-29: US$509.00; no sale recorded2025-07-04: US$645.00; no sale recorded2025-07-10: US$583.45; no sale recorded2025-07-16: US$628.82; no sale recorded2025-07-23: US$468.23; no sale recorded2025-07-23: US$521.62; no sale recorded2025-07-23: US$467.66; no sale recorded2025-07-24: US$678.16; no sale recorded2025-07-30: US$604.68; no sale recorded2025-08-01: US$712.21; no sale recorded2025-08-12: US$618.04; no sale recorded2025-08-23: US$509.00; no sale recorded2025-09-08: US$509.58; no sale recorded2025-09-10: US$481.75; no sale recorded2025-09-17: US$502.00; no sale recorded2025-09-17: US$458.48; no sale recorded2025-09-17: US$458.38; no sale recorded2025-09-17: US$458.28; no sale recorded2025-09-17: US$458.18; no sale recorded2025-09-17: US$458.98; no sale recorded2025-09-19: US$547.54; no sale recorded2025-09-22: US$420.00; no sale recorded2025-09-23: US$567.60; no sale recorded2025-09-28: US$919.17; no sale recorded2025-10-01: US$707.62; no sale recorded2025-10-10: US$654.10; no sale recorded2025-10-13: US$458.78; no sale recorded2025-10-14: US$733.13; no sale recorded2025-10-21: US$568.88; no sale recorded2025-11-05: US$615.97; no sale recorded2025-11-07: US$628.82; no sale recorded2025-11-12: US$481.50; no sale recorded2025-11-13: US$659.10; no sale recorded2025-11-15: US$537.42; no sale recorded2025-11-18: US$446.22; no sale recorded2025-12-01: US$569.01; no sale recorded2025-12-12: US$565.23; no sale recorded2025-12-13: US$400.81; no sale recorded2025-12-19: US$552.19; no sale recorded2025-12-20: US$638.70; no sale recorded2025-12-25: US$541.68; no sale recorded2025-12-25: US$461.00; no sale recorded2026-01-02: US$507.00; no sale recorded2026-01-07: US$634.21; no sale recorded2026-01-16: US$452.66; no sale recorded2026-01-23: US$519.99; no sale recorded2026-01-28: US$458.78; no sale recorded2026-01-30: US$499.00; no sale recorded2026-02-10: US$664.97; no sale recorded2026-02-12: US$641.98; no sale recorded2026-02-28: US$533.12; no sale recorded2026-03-06: US$511.68; no sale recorded2026-03-23: US$628.82; no sale recorded2026-03-25: US$866.67; no sale recorded2026-03-25: US$534.65; no sale recorded2026-03-30: US$739.83; no sale recorded2026-04-01: US$687.15; no sale recorded2026-04-10: US$583.45; no sale recorded2026-04-13: US$493.88; no sale recorded2026-04-20: US$550.77; no sale recorded2026-04-24: US$458.79; no sale recorded2026-04-24: US$457.99; no sale recorded2026-04-26: US$389.21; no sale recorded2026-05-06: US$573.48; no sale recorded2026-05-19: US$550.18; no sale recorded2026-05-20: US$567.00; no sale recorded2026-06-03: US$573.61; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$458.79; no sale recorded2026-06-04: US$565.50; no sale recorded2026-06-10: US$501.00; no sale recorded2026-06-15: US$554.37; no sale recorded2026-06-22: US$555.07; no sale recorded2026-06-29: US$630.45; no sale recorded2026-07-06: US$668.48; no sale recorded2026-07-07: US$649.99; no sale recorded2026-07-14: US$423.22; no sale recorded2026-07-22: US$555.07; no sale recorded2026-09-25: US$780.00; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$545.00

148 plotted records from 148 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
25 Sep 20266ES7321-1BL00-4AA2 Siemens Module 6ES7 321-1BL00-4AA2 NEW #YeBay 237090086764New$780.000Recorded activeCN
22 Jul 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 FAST SHIPeBay 198516023680New$555.070Recorded activeCN
14 Jul 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 free shippingeBay 336687549841New$423.220Recorded activeUS
07 Jul 20266ES7321-1BL00-4AA2 1PCS NEW SIEMENS PLC MODULE 6ES73211BL004AA2eBay 287443343130New$649.990Recorded activeCN
06 Jul 20261PCS New Sealed SIEMENS 6ES7 321-1BL00-4AA2 6ES7321-1BL00-4AA2 plceBay 298485088884New$668.480Recorded activeUS
29 Jun 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing Module In BoxeBay 800262651034New$630.450Recorded activeUS
22 Jun 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 FAST SHIPeBay 198446825701New$555.070Recorded activeCN
15 Jun 2026ONE NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 800180977534New$554.370Recorded activeUS
10 Jun 20266ES7 321-1BL00-4AA2 NEU SIEMENS 6ES7321-1BL00-4AA2 S7-300 Expansion Module&fxeBay 358662767904New$501.000Recorded activeCN
04 Jun 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 ship freeeBay 336619738901New$565.500Recorded activeCN
04 Jun 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 318406518657New$458.790Recorded activeCN
04 Jun 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 800119793010New$458.790Recorded activeCN
04 Jun 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 318406469050New$458.790Recorded activeCN
04 Jun 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 406972405795New$458.790Recorded activeCN
03 Jun 2026ONE NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 127900164569New$573.610Recorded activeUS
20 May 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 Fast DeliveryeBay 377198246431New$567.000Recorded activeCN
19 May 20261PC NEW Siemens 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 free shippingeBay 406936307500New$550.180Recorded activeUS
09 May 20266ES7321-1BL00-4AA2 1PCS NEW SIEMENS PLC MODULE 6ES73211BL004AA2eBay 358536299908Neu552.07 [DE]0Recorded activeCN
06 May 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 406907755074New$573.480Recorded activeUS
26 Apr 20261pc NEW 6ES7321-1BL00-4AA2 Siemens ModuleeBay 358488749278New$389.210Recorded activeCN
24 Apr 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 406882997722New$457.990Recorded activeCN
24 Apr 20261PCS NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 188312320207New$458.790Recorded activeCN
20 Apr 2026ONE NEW SIEMENS 6ES7321-1BL00-4AA2 6ES7 321-1BL00-4AA2 Processing ModuleeBay 188295853639New$550.770Recorded activeUS
13 Apr 20266ES7321-1BL00-4AA2 1PCS 1PC new SIEMENS Expansion Module6ES7321-1BL00-4AA2eBay 377110424829New$493.880Recorded activeUS
10 Apr 20261PC NEW SIEMENS 6ES7321-1BL00-4AA2 module 6ES7 321-1BL00-4AA2 FAST SHIPeBay 336528133855New$583.450Recorded activeCN
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

6ES7321-1BL00-0AA0/VNL797906ES7321-1BL00-0AB06ES7321-1BL00-4AA16ES7321-1BL00-9AM06ES7321-1BL00-OAA06ES7321-1BL000AA0

Related part numbers

6ES7322-1BL00-0AA06ES7141-5BF00-0BA06ES7131-6BF00-0CA06ES7334-0KE00-0AB06ES7318-3EL01-0AB06ES7550-1AA01-0AB06SN1123-1AA00-0CA16EP3310-6SB00-0AY06SN1121-0BA11-0AA16SN1123-1AA00-0EA16SN1123-1AA00-0DA16SN1123-1AB00-0CA16ES7414-2XG01-0AB06ES7315-2AH14-0AB06SL3040-0LA00-0AA0

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