PartHistory
Siemens / PLCs and I/O (SIMATIC)

6ES7421-1BL00-0AA0

PLCs and I/O (SIMATIC) family illustration
Recorded listings
372
Recorded quantity sold
41
Median recorded price
$131.62312 US-dollar records
Recorded price range
$7.50to $1035.00 USD
First listing start: 25 Mar 2017Last listing start: 21 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 20262017-03-25: US$127.99; no sale recorded2017-04-09: US$149.00; no sale recorded2017-04-20: US$177.00; no sale recorded2017-05-10: US$149.00; no sale recorded2017-05-21: US$138.68; no sale recorded2017-06-09: US$149.00; no sale recorded2017-07-21: US$149.00; no sale recorded2017-09-27: US$149.00; no sale recorded2017-10-27: US$149.00; no sale recorded2017-11-22: US$49.00; no sale recorded2017-11-22: US$150.00; no sale recorded2017-12-29: US$256.20; no sale recorded2017-12-29: US$196.20; no sale recorded2018-01-14: US$299.99; no sale recorded2018-01-26: US$149.00; no sale recorded2018-02-13: US$299.99; no sale recorded2018-03-16: US$299.99; no sale recorded2018-03-22: US$333.10; no sale recorded2018-03-28: US$149.00; no sale recorded2018-04-15: US$299.99; no sale recorded2018-04-27: US$149.00; no sale recorded2018-05-16: US$299.99; no sale recorded2018-05-23: US$333.10; no sale recorded2018-06-18: US$299.99; no sale recorded2018-08-17: US$299.99; no sale recorded2018-09-25: US$149.00; no sale recorded2018-09-27: US$333.10; no sale recorded2018-10-18: US$299.99; no sale recorded2019-01-04: US$104.50; no sale recorded2019-01-18: US$249.99; no sale recorded2019-01-20: US$256.11; no sale recorded2019-01-29: US$149.00; no sale recorded2019-10-02: US$11.33; no sale recorded2019-10-04: US$52.98; no sale recorded2019-10-08: US$24.98; no sale recorded2019-10-11: US$184.03; no sale recorded2019-11-07: US$179.47; no sale recorded2019-11-18: US$70.68; no sale recorded2019-11-28: US$404.17; no sale recorded2019-11-30: US$190.95; no sale recorded2019-12-02: US$135.00; no sale recorded2019-12-18: US$305.00; no sale recorded2020-01-06: US$412.77; no sale recorded2020-01-27: US$70.64; no sale recorded2020-01-27: US$61.81; no sale recorded2020-02-13: US$55.76; no sale recorded2020-02-19: US$360.00; no sale recorded2020-02-27: US$195.00; no sale recorded2020-03-01: US$104.99; no sale recorded2020-03-31: US$387.00; no sale recorded2020-04-13: US$115.50; no sale recorded2020-04-19: US$432.00; no sale recorded2020-04-19: US$432.00; no sale recorded2020-05-22: US$315.00; no sale recorded2020-06-02: US$173.78; no sale recorded2020-06-10: US$20.00; no sale recorded2020-06-12: US$57.72; no sale recorded2020-06-27: US$432.00; no sale recorded2020-07-13: US$324.58; no sale recorded2020-08-03: US$82.98; no sale recorded2020-08-06: US$63.00; no sale recorded2020-08-10: US$83.74; no sale recorded2020-09-20: US$62.50; no sale recorded2020-10-10: US$385.00; no sale recorded2020-10-15: US$83.09; no sale recorded2020-10-20: US$187.00; no sale recorded2020-11-07: US$59.93; no sale recorded2020-11-12: US$179.38; no sale recorded2020-11-16: US$85.06; no sale recorded2020-12-17: US$224.00; no sale recorded2020-12-19: US$84.87; no sale recorded2020-12-24: US$76.00; no sale recorded2021-01-20: US$84.89; no sale recorded2021-01-25: US$428.00; no sale recorded2021-03-04: US$63.89; no sale recorded2021-03-18: US$492.99; no sale recorded2021-03-22: US$74.39; no sale recorded2021-04-19: US$322.00; no sale recorded2021-05-14: US$194.00; no sale recorded2021-06-26: US$169.99; no sale recorded2021-06-26: US$41.83; no sale recorded2022-01-10: US$49.40; no sale recorded2022-01-10: US$93.33; no sale recorded2022-01-10: US$40.12; no sale recorded2022-01-11: US$100.00; no sale recorded2022-01-13: US$49.40; no sale recorded2022-01-15: US$99.99; no sale recorded2022-02-03: US$59.37; no sale recorded2022-02-08: US$50.35; no sale recorded2022-02-10: US$52.00; no sale recorded2022-02-11: US$38.36; no sale recorded2022-03-03: US$55.00; no sale recorded2022-03-03: US$52.00; no sale recorded2022-03-10: US$92.76; no sale recorded2022-03-13: US$52.00; no sale recorded2022-03-14: US$37.89; no sale recorded2022-03-15: US$500.00; no sale recorded2022-03-22: US$20.00; no sale recorded2022-04-07: US$52.00; no sale recorded2022-04-10: US$83.88; no sale recorded2022-04-14: US$55.00; no sale recorded2022-04-15: US$37.31; no sale recorded2022-04-20: US$15.00; no sale recorded2022-04-27: US$49.40; no sale recorded2022-05-10: US$99.99; no sale recorded2022-05-25: US$15.95; no sale recorded2022-05-27: US$36.59; no sale recorded2022-06-01: US$375.57; no sale recorded2022-06-12: US$275.00; sold recorded2022-06-21: US$123.20; no sale recorded2022-06-22: US$73.64; no sale recorded2022-06-22: US$382.10; no sale recorded2022-06-27: US$38.25; no sale recorded2022-07-16: US$108.59; no sale recorded2022-07-16: US$108.60; no sale recorded2022-07-16: US$108.61; no sale recorded2022-07-16: US$108.68; no sale recorded2022-07-16: US$108.69; no sale recorded2022-07-16: US$108.85; no sale recorded2022-07-16: US$108.75; no sale recorded2022-07-16: US$108.74; no sale recorded2022-07-16: US$108.73; no sale recorded2022-07-19: US$108.71; no sale recorded2022-07-21: US$295.00; no sale recorded2022-07-30: US$295.00; no sale recorded2022-08-03: US$91.20; no sale recorded2022-08-03: US$317.00; no sale recorded2022-09-01: US$10.60; no sale recorded2022-09-05: US$187.79; no sale recorded2022-09-07: US$75.07; no sale recorded2022-09-11: US$99.99; no sale recorded2022-09-16: US$107.58; no sale recorded2022-10-04: US$7.50; no sale recorded2022-10-06: US$51.44; no sale recorded2022-10-10: US$205.75; no sale recorded2022-10-11: US$218.88; no sale recorded2022-10-14: US$99.99; no sale recorded2022-10-25: US$395.04; no sale recorded2022-10-26: US$51.44; no sale recorded2022-10-26: US$395.04; no sale recorded2022-10-27: US$43.72; no sale recorded2022-10-27: US$395.04; no sale recorded2022-10-28: US$395.04; no sale recorded2022-11-08: US$51.44; no sale recorded2022-11-19: US$108.49; no sale recorded2022-12-02: US$108.62; no sale recorded2022-12-02: US$108.61; no sale recorded2022-12-12: US$403.01; no sale recorded2022-12-16: US$180.00; sold recorded2022-12-21: US$212.75; no sale recorded2022-12-24: US$99.99; no sale recorded2022-12-26: US$405.02; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-09: US$407.05; no sale recorded2023-01-10: US$95.00; no sale recorded2023-01-15: US$348.90; no sale recorded2023-01-21: US$74.39; no sale recorded2023-02-10: US$108.85; no sale recorded2023-02-17: US$348.90; no sale recorded2023-03-01: US$348.90; no sale recorded2023-03-03: US$316.00; no sale recorded2023-03-06: US$352.39; no sale recorded2023-03-08: US$304.67; no sale recorded2023-03-10: US$368.96; no sale recorded2023-03-14: US$304.67; no sale recorded2023-03-22: US$200.00; no sale recorded2023-03-23: US$304.67; no sale recorded2023-04-11: US$8.39; no sale recorded2023-04-18: US$12.25; no sale recorded2023-05-11: US$315.22; no sale recorded2023-05-11: US$20.00; no sale recorded2023-06-20: US$129.00; sold recorded2023-06-23: US$801.00; no sale recorded2023-06-29: US$427.00; no sale recorded2023-08-03: US$11.33; no sale recorded2023-08-18: US$426.66; no sale recorded2023-08-20: US$207.79; no sale recorded2023-09-05: US$279.48; sold recorded2023-09-05: US$279.33; sold recorded2023-09-07: US$276.48; no sale recorded2023-09-07: US$276.29; no sale recorded2023-09-07: US$187.79; no sale recorded2023-09-08: US$282.51; no sale recorded2023-09-08: US$282.31; no sale recorded2023-09-11: US$279.51; no sale recorded2023-09-11: US$279.36; no sale recorded2023-09-11: US$350.00; no sale recorded2023-09-20: US$279.62; no sale recorded2023-09-20: US$279.31; no sale recorded2023-09-23: US$279.75; no sale recorded2023-09-23: US$279.55; no sale recorded2023-09-26: US$279.46; no sale recorded2023-09-26: US$279.36; no sale recorded2023-09-28: US$279.49; no sale recorded2023-09-28: US$279.31; no sale recorded2023-10-05: US$139.99; no sale recorded2023-10-16: US$300.56; no sale recorded2023-10-16: US$300.48; no sale recorded2023-10-23: US$299.00; no sale recorded2023-10-24: US$149.99; no sale recorded2023-12-22: US$127.00; no sale recorded2024-01-02: US$23.95; no sale recorded2024-01-06: US$38.05; no sale recorded2024-01-17: US$835.75; sold recorded2024-01-25: US$200.97; sold recorded2024-02-02: US$246.00; no sale recorded2024-02-02: US$125.00; sold recorded2024-02-13: US$38.05; no sale recorded2024-03-02: US$23.90; no sale recorded2024-03-11: US$120.25; no sale recorded2024-03-15: US$128.00; no sale recorded2024-03-17: US$38.12; no sale recorded2024-03-19: US$121.00; no sale recorded2024-03-19: US$126.00; no sale recorded2024-03-19: US$149.00; no sale recorded2024-03-19: US$122.00; no sale recorded2024-03-20: US$108.86; no sale recorded2024-03-20: US$100.00; sold recorded2024-04-11: US$38.03; no sale recorded2024-04-11: US$426.66; no sale recorded2024-04-11: US$426.66; no sale recorded2024-04-17: US$127.00; no sale recorded2024-04-17: US$385.80; no sale recorded2024-04-17: US$187.79; no sale recorded2024-04-17: US$69.00; sold recorded2024-04-24: US$123.63; sold recorded2024-04-26: US$160.00; no sale recorded2024-04-30: US$108.60; sold recorded2024-04-30: US$108.61; sold recorded2024-05-07: US$108.73; no sale recorded2024-05-07: US$108.71; no sale recorded2024-05-14: US$103.97; no sale recorded2024-05-15: US$159.80; no sale recorded2024-05-15: US$159.66; no sale recorded2024-05-15: US$108.74; no sale recorded2024-05-21: US$122.00; no sale recorded2024-05-25: US$123.22; no sale recorded2024-06-03: US$131.88; no sale recorded2024-06-05: US$163.20; no sale recorded2024-06-17: US$165.00; no sale recorded2024-06-17: US$158.00; no sale recorded2024-06-20: US$159.80; sold recorded2024-06-20: US$100.00; sold recorded2024-06-28: US$388.18; no sale recorded2024-07-01: US$23.76; no sale recorded2024-07-02: US$37.61; no sale recorded2024-07-02: US$14.28; no sale recorded2024-07-02: US$20.36; no sale recorded2024-07-02: US$215.05; sold recorded2024-07-13: US$158.00; no sale recorded2024-07-15: US$386.30; no sale recorded2024-07-29: US$165.00; no sale recorded2024-08-01: US$119.56; no sale recorded2024-08-02: US$38.57; no sale recorded2024-08-03: US$426.72; no sale recorded2024-08-06: US$148.00; sold recorded2024-08-06: US$148.00; no sale recorded2024-08-06: US$27.21; no sale recorded2024-08-09: US$800.80; no sale recorded2024-08-15: US$152.00; no sale recorded2024-08-20: US$131.35; no sale recorded2024-08-31: US$235.47; no sale recorded2024-09-02: US$235.80; no sale recorded2024-09-06: US$27.00; no sale recorded2024-09-29: US$120.00; no sale recorded2024-10-03: US$165.00; no sale recorded2024-10-08: US$158.00; no sale recorded2024-10-22: US$180.00; no sale recorded2024-10-25: US$123.92; no sale recorded2024-10-28: US$120.00; no sale recorded2024-11-06: US$249.20; no sale recorded2024-11-08: US$346.37; no sale recorded2024-11-08: US$346.56; no sale recorded2024-11-13: US$25.88; sold recorded2024-11-18: US$160.00; sold recorded2024-12-03: US$80.90; sold recorded2024-12-04: US$224.40; sold recorded2025-01-10: US$106.66; no sale recorded2025-01-11: US$160.00; sold recorded2025-01-12: US$25.11; sold recorded2025-02-11: US$25.15; sold recorded2025-03-13: US$26.53; sold recorded2025-03-17: US$160.00; no sale recorded2025-03-19: US$99.00; no sale recorded2025-04-01: US$109.58; no sale recorded2025-04-12: US$27.65; sold recorded2025-05-13: US$158.00; no sale recorded2025-06-11: US$27.85; no sale recorded2025-07-22: US$168.00; no sale recorded2025-07-23: US$101.51; no sale recorded2025-07-31: US$158.00; no sale recorded2025-09-06: US$1035.00; no sale recorded2025-09-10: US$140.44; no sale recorded2025-09-11: US$28.53; no sale recorded2025-10-08: US$12.99; no sale recorded2025-10-11: US$28.19; no sale recorded2025-11-12: US$28.21; no sale recorded2025-12-02: US$158.00; no sale recorded2025-12-13: US$28.59; no sale recorded2026-01-12: US$28.38; no sale recorded2026-02-10: US$28.99; no sale recorded2026-03-06: US$23.67; no sale recorded2026-03-13: US$28.14; no sale recorded2026-04-22: US$110.00; no sale recorded2026-04-23: US$120.00; no sale recorded2026-05-03: US$10.75; no sale recorded2026-05-07: US$23.89; no sale recorded2026-05-29: US$349.99; no sale recorded2026-06-13: US$23.48; no sale recorded2026-06-21: US$69.99; 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 20262017-03-25: US$127.99; no sale recorded2017-04-09: US$149.00; no sale recorded2017-04-20: US$177.00; no sale recorded2017-05-10: US$149.00; no sale recorded2017-05-21: US$138.68; no sale recorded2017-06-09: US$149.00; no sale recorded2017-07-21: US$149.00; no sale recorded2017-09-27: US$149.00; no sale recorded2017-10-27: US$149.00; no sale recorded2017-11-22: US$49.00; no sale recorded2017-11-22: US$150.00; no sale recorded2017-12-29: US$256.20; no sale recorded2017-12-29: US$196.20; no sale recorded2018-01-14: US$299.99; no sale recorded2018-01-26: US$149.00; no sale recorded2018-02-13: US$299.99; no sale recorded2018-03-16: US$299.99; no sale recorded2018-03-22: US$333.10; no sale recorded2018-03-28: US$149.00; no sale recorded2018-04-15: US$299.99; no sale recorded2018-04-27: US$149.00; no sale recorded2018-05-16: US$299.99; no sale recorded2018-05-23: US$333.10; no sale recorded2018-06-18: US$299.99; no sale recorded2018-08-17: US$299.99; no sale recorded2018-09-25: US$149.00; no sale recorded2018-09-27: US$333.10; no sale recorded2018-10-18: US$299.99; no sale recorded2019-01-04: US$104.50; no sale recorded2019-01-18: US$249.99; no sale recorded2019-01-20: US$256.11; no sale recorded2019-01-29: US$149.00; no sale recorded2019-10-02: US$11.33; no sale recorded2019-10-04: US$52.98; no sale recorded2019-10-08: US$24.98; no sale recorded2019-10-11: US$184.03; no sale recorded2019-11-07: US$179.47; no sale recorded2019-11-18: US$70.68; no sale recorded2019-11-28: US$404.17; no sale recorded2019-11-30: US$190.95; no sale recorded2019-12-02: US$135.00; no sale recorded2019-12-18: US$305.00; no sale recorded2020-01-06: US$412.77; no sale recorded2020-01-27: US$70.64; no sale recorded2020-01-27: US$61.81; no sale recorded2020-02-13: US$55.76; no sale recorded2020-02-19: US$360.00; no sale recorded2020-02-27: US$195.00; no sale recorded2020-03-01: US$104.99; no sale recorded2020-03-31: US$387.00; no sale recorded2020-04-13: US$115.50; no sale recorded2020-04-19: US$432.00; no sale recorded2020-04-19: US$432.00; no sale recorded2020-05-22: US$315.00; no sale recorded2020-06-02: US$173.78; no sale recorded2020-06-10: US$20.00; no sale recorded2020-06-12: US$57.72; no sale recorded2020-06-27: US$432.00; no sale recorded2020-07-13: US$324.58; no sale recorded2020-08-03: US$82.98; no sale recorded2020-08-06: US$63.00; no sale recorded2020-08-10: US$83.74; no sale recorded2020-09-20: US$62.50; no sale recorded2020-10-10: US$385.00; no sale recorded2020-10-15: US$83.09; no sale recorded2020-10-20: US$187.00; no sale recorded2020-11-07: US$59.93; no sale recorded2020-11-12: US$179.38; no sale recorded2020-11-16: US$85.06; no sale recorded2020-12-17: US$224.00; no sale recorded2020-12-19: US$84.87; no sale recorded2020-12-24: US$76.00; no sale recorded2021-01-20: US$84.89; no sale recorded2021-01-25: US$428.00; no sale recorded2021-03-04: US$63.89; no sale recorded2021-03-18: US$492.99; no sale recorded2021-03-22: US$74.39; no sale recorded2021-04-19: US$322.00; no sale recorded2021-05-14: US$194.00; no sale recorded2021-06-26: US$169.99; no sale recorded2021-06-26: US$41.83; no sale recorded2022-01-10: US$49.40; no sale recorded2022-01-10: US$93.33; no sale recorded2022-01-10: US$40.12; no sale recorded2022-01-11: US$100.00; no sale recorded2022-01-13: US$49.40; no sale recorded2022-01-15: US$99.99; no sale recorded2022-02-03: US$59.37; no sale recorded2022-02-08: US$50.35; no sale recorded2022-02-10: US$52.00; no sale recorded2022-02-11: US$38.36; no sale recorded2022-03-03: US$55.00; no sale recorded2022-03-03: US$52.00; no sale recorded2022-03-10: US$92.76; no sale recorded2022-03-13: US$52.00; no sale recorded2022-03-14: US$37.89; no sale recorded2022-03-15: US$500.00; no sale recorded2022-03-22: US$20.00; no sale recorded2022-04-07: US$52.00; no sale recorded2022-04-10: US$83.88; no sale recorded2022-04-14: US$55.00; no sale recorded2022-04-15: US$37.31; no sale recorded2022-04-20: US$15.00; no sale recorded2022-04-27: US$49.40; no sale recorded2022-05-10: US$99.99; no sale recorded2022-05-25: US$15.95; no sale recorded2022-05-27: US$36.59; no sale recorded2022-06-01: US$375.57; no sale recorded2022-06-12: US$275.00; sold recorded2022-06-21: US$123.20; no sale recorded2022-06-22: US$73.64; no sale recorded2022-06-22: US$382.10; no sale recorded2022-06-27: US$38.25; no sale recorded2022-07-16: US$108.59; no sale recorded2022-07-16: US$108.60; no sale recorded2022-07-16: US$108.61; no sale recorded2022-07-16: US$108.68; no sale recorded2022-07-16: US$108.69; no sale recorded2022-07-16: US$108.85; no sale recorded2022-07-16: US$108.75; no sale recorded2022-07-16: US$108.74; no sale recorded2022-07-16: US$108.73; no sale recorded2022-07-19: US$108.71; no sale recorded2022-07-21: US$295.00; no sale recorded2022-07-30: US$295.00; no sale recorded2022-08-03: US$91.20; no sale recorded2022-08-03: US$317.00; no sale recorded2022-09-01: US$10.60; no sale recorded2022-09-05: US$187.79; no sale recorded2022-09-07: US$75.07; no sale recorded2022-09-11: US$99.99; no sale recorded2022-09-16: US$107.58; no sale recorded2022-10-04: US$7.50; no sale recorded2022-10-06: US$51.44; no sale recorded2022-10-10: US$205.75; no sale recorded2022-10-11: US$218.88; no sale recorded2022-10-14: US$99.99; no sale recorded2022-10-25: US$395.04; no sale recorded2022-10-26: US$51.44; no sale recorded2022-10-26: US$395.04; no sale recorded2022-10-27: US$43.72; no sale recorded2022-10-27: US$395.04; no sale recorded2022-10-28: US$395.04; no sale recorded2022-11-08: US$51.44; no sale recorded2022-11-19: US$108.49; no sale recorded2022-12-02: US$108.62; no sale recorded2022-12-02: US$108.61; no sale recorded2022-12-12: US$403.01; no sale recorded2022-12-16: US$180.00; sold recorded2022-12-21: US$212.75; no sale recorded2022-12-24: US$99.99; no sale recorded2022-12-26: US$405.02; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-03: US$20.00; no sale recorded2023-01-09: US$407.05; no sale recorded2023-01-10: US$95.00; no sale recorded2023-01-15: US$348.90; no sale recorded2023-01-21: US$74.39; no sale recorded2023-02-10: US$108.85; no sale recorded2023-02-17: US$348.90; no sale recorded2023-03-01: US$348.90; no sale recorded2023-03-03: US$316.00; no sale recorded2023-03-06: US$352.39; no sale recorded2023-03-08: US$304.67; no sale recorded2023-03-10: US$368.96; no sale recorded2023-03-14: US$304.67; no sale recorded2023-03-22: US$200.00; no sale recorded2023-03-23: US$304.67; no sale recorded2023-04-11: US$8.39; no sale recorded2023-04-18: US$12.25; no sale recorded2023-05-11: US$315.22; no sale recorded2023-05-11: US$20.00; no sale recorded2023-06-20: US$129.00; sold recorded2023-06-23: US$801.00; no sale recorded2023-06-29: US$427.00; no sale recorded2023-08-03: US$11.33; no sale recorded2023-08-18: US$426.66; no sale recorded2023-08-20: US$207.79; no sale recorded2023-09-05: US$279.48; sold recorded2023-09-05: US$279.33; sold recorded2023-09-07: US$276.48; no sale recorded2023-09-07: US$276.29; no sale recorded2023-09-07: US$187.79; no sale recorded2023-09-08: US$282.51; no sale recorded2023-09-08: US$282.31; no sale recorded2023-09-11: US$279.51; no sale recorded2023-09-11: US$279.36; no sale recorded2023-09-11: US$350.00; no sale recorded2023-09-20: US$279.62; no sale recorded2023-09-20: US$279.31; no sale recorded2023-09-23: US$279.75; no sale recorded2023-09-23: US$279.55; no sale recorded2023-09-26: US$279.46; no sale recorded2023-09-26: US$279.36; no sale recorded2023-09-28: US$279.49; no sale recorded2023-09-28: US$279.31; no sale recorded2023-10-05: US$139.99; no sale recorded2023-10-16: US$300.56; no sale recorded2023-10-16: US$300.48; no sale recorded2023-10-23: US$299.00; no sale recorded2023-10-24: US$149.99; no sale recorded2023-12-22: US$127.00; no sale recorded2024-01-02: US$23.95; no sale recorded2024-01-06: US$38.05; no sale recorded2024-01-17: US$835.75; sold recorded2024-01-25: US$200.97; sold recorded2024-02-02: US$246.00; no sale recorded2024-02-02: US$125.00; sold recorded2024-02-13: US$38.05; no sale recorded2024-03-02: US$23.90; no sale recorded2024-03-11: US$120.25; no sale recorded2024-03-15: US$128.00; no sale recorded2024-03-17: US$38.12; no sale recorded2024-03-19: US$121.00; no sale recorded2024-03-19: US$126.00; no sale recorded2024-03-19: US$149.00; no sale recorded2024-03-19: US$122.00; no sale recorded2024-03-20: US$108.86; no sale recorded2024-03-20: US$100.00; sold recorded2024-04-11: US$38.03; no sale recorded2024-04-11: US$426.66; no sale recorded2024-04-11: US$426.66; no sale recorded2024-04-17: US$127.00; no sale recorded2024-04-17: US$385.80; no sale recorded2024-04-17: US$187.79; no sale recorded2024-04-17: US$69.00; sold recorded2024-04-24: US$123.63; sold recorded2024-04-26: US$160.00; no sale recorded2024-04-30: US$108.60; sold recorded2024-04-30: US$108.61; sold recorded2024-05-07: US$108.73; no sale recorded2024-05-07: US$108.71; no sale recorded2024-05-14: US$103.97; no sale recorded2024-05-15: US$159.80; no sale recorded2024-05-15: US$159.66; no sale recorded2024-05-15: US$108.74; no sale recorded2024-05-21: US$122.00; no sale recorded2024-05-25: US$123.22; no sale recorded2024-06-03: US$131.88; no sale recorded2024-06-05: US$163.20; no sale recorded2024-06-17: US$165.00; no sale recorded2024-06-17: US$158.00; no sale recorded2024-06-20: US$159.80; sold recorded2024-06-20: US$100.00; sold recorded2024-06-28: US$388.18; no sale recorded2024-07-01: US$23.76; no sale recorded2024-07-02: US$37.61; no sale recorded2024-07-02: US$14.28; no sale recorded2024-07-02: US$20.36; no sale recorded2024-07-02: US$215.05; sold recorded2024-07-13: US$158.00; no sale recorded2024-07-15: US$386.30; no sale recorded2024-07-29: US$165.00; no sale recorded2024-08-01: US$119.56; no sale recorded2024-08-02: US$38.57; no sale recorded2024-08-03: US$426.72; no sale recorded2024-08-06: US$148.00; sold recorded2024-08-06: US$148.00; no sale recorded2024-08-06: US$27.21; no sale recorded2024-08-09: US$800.80; no sale recorded2024-08-15: US$152.00; no sale recorded2024-08-20: US$131.35; no sale recorded2024-08-31: US$235.47; no sale recorded2024-09-02: US$235.80; no sale recorded2024-09-06: US$27.00; no sale recorded2024-09-29: US$120.00; no sale recorded2024-10-03: US$165.00; no sale recorded2024-10-08: US$158.00; no sale recorded2024-10-22: US$180.00; no sale recorded2024-10-25: US$123.92; no sale recorded2024-10-28: US$120.00; no sale recorded2024-11-06: US$249.20; no sale recorded2024-11-08: US$346.37; no sale recorded2024-11-08: US$346.56; no sale recorded2024-11-13: US$25.88; sold recorded2024-11-18: US$160.00; sold recorded2024-12-03: US$80.90; sold recorded2024-12-04: US$224.40; sold recorded2025-01-10: US$106.66; no sale recorded2025-01-11: US$160.00; sold recorded2025-01-12: US$25.11; sold recorded2025-02-11: US$25.15; sold recorded2025-03-13: US$26.53; sold recorded2025-03-17: US$160.00; no sale recorded2025-03-19: US$99.00; no sale recorded2025-04-01: US$109.58; no sale recorded2025-04-12: US$27.65; sold recorded2025-05-13: US$158.00; no sale recorded2025-06-11: US$27.85; no sale recorded2025-07-22: US$168.00; no sale recorded2025-07-23: US$101.51; no sale recorded2025-07-31: US$158.00; no sale recorded2025-09-06: US$1035.00; no sale recorded2025-09-10: US$140.44; no sale recorded2025-09-11: US$28.53; no sale recorded2025-10-08: US$12.99; no sale recorded2025-10-11: US$28.19; no sale recorded2025-11-12: US$28.21; no sale recorded2025-12-02: US$158.00; no sale recorded2025-12-13: US$28.59; no sale recorded2026-01-12: US$28.38; no sale recorded2026-02-10: US$28.99; no sale recorded2026-03-06: US$23.67; no sale recorded2026-03-13: US$28.14; no sale recorded2026-04-22: US$110.00; no sale recorded2026-04-23: US$120.00; no sale recorded2026-05-03: US$10.75; no sale recorded2026-05-07: US$23.89; no sale recorded2026-05-29: US$349.99; no sale recorded2026-06-13: US$23.48; no sale recorded2026-06-21: US$69.99; no sale recorded
Sold recordedNo sale recordedMonthly median

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

Median recorded price, all years$131.62

312 plotted records from 312 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

372 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
21 Jun 2026Siemens Simatic S7-400 6ES7 421-1BL00-0AA0 32-Channel Digital Input ModuleeBay 800218233634Used$69.990Recorded activeIN
13 Jun 2026Siemens 6ES7 421-1BL00-0AA0 SIMATIC S7-400 SM 421 Digital Input Module, UsedeBay 336637909182Used$23.480Recorded activeDE
13 Jun 2026Siemens 6ES7 421-1BL00-0AA0 SIMATIC S7-400 SM 421 Digital Input Module, BraeBay 336637377861Gebraucht23.02 [DE]0Recorded activeDE
29 May 2026SIEMENS 6ES7 421-1BL00-0AA0eBay 800088387473New$349.990Recorded activeCN
07 May 2026Siemens 6ES7 421-1BL00-0AA0 SIMATIC S7-400 SM 421 Digital Input Module, UsedeBay 336573008290Used$23.890Recorded activeDE
03 May 2026Siemens Digital Input 6ES7 421-1BL00-0AA0 Digital Input Module Version 03eBay 227328424230Used$10.750Recorded activeDE
23 Apr 2026New In Box Siemens 6ES7 421-1BL00-0AA0 Module 6ES7 421-1BL00-0AA0eBay 287289034700New$120.000Recorded activeCN
22 Apr 2026Siemens New 6ES7 421-1BL00-0AA0/ 6ES7 421-1BL00-0AA0 CPU ModuleeBay 397867355550New$110.000Recorded activeCN
13 Mar 2026Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 287200436829Used$28.140Recorded activeDE
06 Mar 2026Siemens - SIMATIC S7 - Digital Input - 6ES7 421-1BL00-0AA0 - UsedeBay 188127637223Used$23.670Recorded activeDE
10 Feb 2026Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 287134558921Used$28.990Recorded activeDE
12 Jan 2026Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 287069173958Used$28.380Recorded activeDE
13 Dec 2025Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 277574831093Used$28.590Recorded activeDE
02 Dec 2025New In Box Siemens 6ES7 421-1BL00-0AA0 Module 6ES7 421-1BL00-0AA0eBay 286984129055New$158.000Recorded activeCN
12 Nov 2025Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 277502481250Used$28.210Recorded activeDE
22 Oct 2025ONE USED- Siemens 6ES7 421-1BL00-0AA0eBay 336245895712Gebraucht156.22 [DE]0Recorded activeCN
11 Oct 2025Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 286870776688Used$28.190Recorded activeDE
08 Oct 2025SIEMENS | 6ES7 421-1BL00-0AA0 | USED | USPP | ID0406 | PLC2DAY Used in stock ...eBay 177473920991Used$12.990Recorded activeNL
11 Sep 2025Siemens Simatic S7-400 6ES7 421-1BL00-0AA0, DI 32xDC24V E:03eBay 286814453943Used$28.530Recorded activeDE
10 Sep 2025ONE USED- Siemens 6ES7 421-1BL00-0AA0eBay 187558701163Used$140.440Recorded activeCN
06 Sep 2025Siemens 6ES7 421-1BL00-0AA0 I/O ModuleeBay 406192292097New$1035.000Recorded activeAE
31 Jul 2025New In Box Siemens 6ES7 421-1BL00-0AA0 Module 6ES7 421-1BL00-0AA0eBay 286739839160New$158.000Recorded activeCN
23 Jul 2025SIEMENS SIMATIC S7 6es7 421-1bl00-0aa0 Digital Input Module 24veBay 336085885888Used$101.510Recorded activeIN
22 Jul 20251pc used Siemens module 6ES7 421-1BL00-0AA0eBay 157190015913Used$168.000Recorded activeCN
25 Jun 20252x Siemens 6ES7 421-1BL00-0AA0 Simatic S7 Digital Input | DI 32xDC24VeBay 127197483725Gebraucht34.82 [DE]0Recorded activeDE
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

421-1AA10421-1B01-0AA0421-1BA106ES7421-1BL00-OAAO421-1BL01-0A00421-1BL01-0A006ES7421-1BL01-0A00

Related part numbers

6ES7141-5BF00-0BA06ES7331-7KF02-0AB06ES7131-6BF00-0CA06SN1123-1AA00-0CA16SN1145-1AA01-0AA13VL1725-1EH43-0AA06SN1118-0AA11-0AA06ES7318-3EL01-0AB06EP3310-6SB00-0AY06GK7542-1AX00-0XE06SN1121-0BA11-0AA16SN1123-1AA00-0EA16AU1445-0AA00-0AA16SN1123-1AA00-0DA17SR4501-1GB10-1AA0/EE

Search current eBay listings