PartHistory
Siemens / Other Siemens parts

3TK2840-1BB40

Other Siemens parts family illustration
Recorded listings
178
Recorded quantity sold
13
Median recorded price
$330.62169 US-dollar records
Recorded price range
$28.61to $771.29 USD
First listing start: 18 Jun 2017Last listing start: 28 Aug 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.0.00250.00500.00750.001000.00Jun 2017Sep 2019Jan 2022May 2024Aug 20262017-06-18: US$198.50; no sale recorded2017-08-08: US$90.62; no sale recorded2017-08-19: US$207.45; no sale recorded2018-01-09: US$183.00; no sale recorded2018-08-15: US$183.14; no sale recorded2019-10-15: US$80.56; no sale recorded2019-11-01: US$28.61; no sale recorded2020-01-02: US$178.00; no sale recorded2020-01-03: US$177.00; no sale recorded2020-01-03: US$181.00; no sale recorded2020-01-08: US$182.23; no sale recorded2020-01-08: US$156.99; no sale recorded2020-01-21: US$78.65; no sale recorded2020-02-10: US$250.00; no sale recorded2020-11-07: US$92.45; no sale recorded2021-01-16: US$58.65; no sale recorded2021-04-30: US$175.23; no sale recorded2021-06-27: US$89.99; no sale recorded2022-01-10: US$149.00; sold recorded2022-01-25: US$546.21; no sale recorded2022-03-04: US$84.77; no sale recorded2022-04-14: US$342.95; no sale recorded2022-04-17: US$371.89; no sale recorded2022-06-10: US$257.18; no sale recorded2022-06-16: US$365.65; no sale recorded2022-07-04: US$373.00; no sale recorded2022-08-04: US$180.00; no sale recorded2022-08-16: US$244.32; no sale recorded2022-08-22: US$320.00; no sale recorded2023-03-03: US$334.40; no sale recorded2023-03-13: US$170.00; no sale recorded2023-04-03: US$355.20; no sale recorded2023-04-04: US$363.00; no sale recorded2023-04-05: US$336.99; no sale recorded2023-05-14: US$363.78; no sale recorded2023-05-16: US$387.00; no sale recorded2023-05-17: US$387.00; no sale recorded2023-05-18: US$363.78; no sale recorded2023-05-20: US$330.60; sold recorded2023-06-08: US$129.00; no sale recorded2023-06-08: US$363.78; no sale recorded2023-06-12: US$350.50; no sale recorded2023-06-27: US$68.01; no sale recorded2023-06-28: US$64.61; no sale recorded2023-07-03: US$328.23; sold recorded2023-07-14: US$351.50; sold recorded2023-07-20: US$360.00; no sale recorded2023-07-24: US$606.80; no sale recorded2023-07-25: US$689.00; no sale recorded2023-07-26: US$387.00; no sale recorded2023-07-27: US$607.50; no sale recorded2023-07-27: US$607.40; no sale recorded2023-07-27: US$607.30; no sale recorded2023-07-27: US$607.20; no sale recorded2023-07-27: US$607.10; no sale recorded2023-07-27: US$607.00; no sale recorded2023-07-27: US$606.90; no sale recorded2023-08-17: US$215.95; no sale recorded2023-09-06: US$387.00; no sale recorded2023-09-06: US$371.89; no sale recorded2023-09-09: US$179.97; no sale recorded2023-09-13: US$62.29; no sale recorded2023-09-19: US$374.42; no sale recorded2023-09-27: US$200.00; no sale recorded2023-10-06: US$386.27; no sale recorded2023-10-12: US$62.29; no sale recorded2023-11-06: US$56.01; no sale recorded2023-11-07: US$100.00; no sale recorded2024-01-12: US$99.00; no sale recorded2024-01-12: US$300.00; sold recorded2024-02-20: US$361.00; no sale recorded2024-02-24: US$351.93; sold recorded2024-03-09: US$220.88; no sale recorded2024-03-09: US$79.99; no sale recorded2024-04-09: US$340.07; sold recorded2024-04-13: US$386.43; no sale recorded2024-04-19: US$607.02; no sale recorded2024-04-19: US$606.92; sold recorded2024-04-19: US$606.83; no sale recorded2024-04-30: US$607.40; no sale recorded2024-05-10: US$771.29; no sale recorded2024-05-28: US$362.00; sold recorded2024-06-05: US$440.00; no sale recorded2024-07-12: US$339.72; no sale recorded2024-08-03: US$210.58; no sale recorded2024-08-20: US$363.78; no sale recorded2024-08-28: US$569.08; sold recorded2024-09-04: US$210.53; no sale recorded2024-10-12: US$206.75; no sale recorded2024-10-29: US$324.41; no sale recorded2024-11-27: US$300.00; sold recorded2024-11-27: US$49.98; no sale recorded2024-12-03: US$199.62; sold recorded2024-12-03: US$334.40; no sale recorded2025-03-07: US$344.23; no sale recorded2025-03-18: US$387.00; no sale recorded2025-03-20: US$348.00; no sale recorded2025-04-14: US$370.00; no sale recorded2025-04-14: US$263.00; no sale recorded2025-04-28: US$440.00; no sale recorded2025-04-28: US$435.77; no sale recorded2025-04-30: US$298.85; no sale recorded2025-05-06: US$511.50; no sale recorded2025-05-19: US$298.78; no sale recorded2025-05-19: US$291.77; no sale recorded2025-05-19: US$290.99; no sale recorded2025-05-19: US$298.85; no sale recorded2025-05-27: US$366.50; no sale recorded2025-05-28: US$298.85; no sale recorded2025-05-30: US$297.57; no sale recorded2025-06-04: US$381.00; no sale recorded2025-06-19: US$344.23; no sale recorded2025-06-19: US$387.00; no sale recorded2025-06-20: US$297.37; no sale recorded2025-06-21: US$435.00; no sale recorded2025-06-24: US$387.00; no sale recorded2025-07-01: US$360.00; no sale recorded2025-07-08: US$290.00; no sale recorded2025-07-14: US$400.14; no sale recorded2025-07-23: US$179.00; no sale recorded2025-07-23: US$316.99; no sale recorded2025-07-24: US$319.82; no sale recorded2025-07-25: US$298.52; no sale recorded2025-08-09: US$294.37; no sale recorded2025-08-11: US$421.20; no sale recorded2025-08-13: US$316.49; no sale recorded2025-08-19: US$316.77; no sale recorded2025-08-23: US$181.00; no sale recorded2025-09-19: US$356.00; no sale recorded2025-10-07: US$371.89; no sale recorded2025-10-24: US$289.99; no sale recorded2025-10-24: US$289.72; no sale recorded2025-10-24: US$289.35; no sale recorded2025-11-15: US$125.00; no sale recorded2025-11-18: US$370.70; no sale recorded2025-11-25: US$354.50; no sale recorded2026-01-12: US$283.36; no sale recorded2026-01-21: US$333.67; no sale recorded2026-01-21: US$313.99; no sale recorded2026-01-21: US$328.67; no sale recorded2026-01-23: US$393.13; no sale recorded2026-01-28: US$310.99; no sale recorded2026-02-11: US$349.20; no sale recorded2026-02-11: US$352.20; no sale recorded2026-02-12: US$400.75; no sale recorded2026-02-24: US$330.62; no sale recorded2026-03-25: US$354.50; no sale recorded2026-03-28: US$291.20; no sale recorded2026-04-01: US$310.99; no sale recorded2026-04-03: US$352.00; no sale recorded2026-04-12: US$385.88; no sale recorded2026-04-14: US$370.00; no sale recorded2026-04-21: US$280.24; no sale recorded2026-04-22: US$275.24; no sale recorded2026-04-29: US$387.00; no sale recorded2026-05-02: US$219.39; no sale recorded2026-05-14: US$278.00; no sale recorded2026-05-14: US$361.00; no sale recorded2026-05-17: US$386.61; no sale recorded2026-05-20: US$386.60; no sale recorded2026-05-22: US$380.00; no sale recorded2026-05-23: US$386.61; no sale recorded2026-05-31: US$245.00; no sale recorded2026-05-31: US$386.61; no sale recorded2026-07-02: US$341.98; no sale recorded2026-07-07: US$325.37; no sale recorded2026-07-13: US$346.67; no sale recorded2026-08-28: US$273.57; no sale recorded2026-08-28: US$286.45; 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.0.00250.00500.00750.001000.00Jun 2017Jan 2022Aug 20262017-06-18: US$198.50; no sale recorded2017-08-08: US$90.62; no sale recorded2017-08-19: US$207.45; no sale recorded2018-01-09: US$183.00; no sale recorded2018-08-15: US$183.14; no sale recorded2019-10-15: US$80.56; no sale recorded2019-11-01: US$28.61; no sale recorded2020-01-02: US$178.00; no sale recorded2020-01-03: US$177.00; no sale recorded2020-01-03: US$181.00; no sale recorded2020-01-08: US$182.23; no sale recorded2020-01-08: US$156.99; no sale recorded2020-01-21: US$78.65; no sale recorded2020-02-10: US$250.00; no sale recorded2020-11-07: US$92.45; no sale recorded2021-01-16: US$58.65; no sale recorded2021-04-30: US$175.23; no sale recorded2021-06-27: US$89.99; no sale recorded2022-01-10: US$149.00; sold recorded2022-01-25: US$546.21; no sale recorded2022-03-04: US$84.77; no sale recorded2022-04-14: US$342.95; no sale recorded2022-04-17: US$371.89; no sale recorded2022-06-10: US$257.18; no sale recorded2022-06-16: US$365.65; no sale recorded2022-07-04: US$373.00; no sale recorded2022-08-04: US$180.00; no sale recorded2022-08-16: US$244.32; no sale recorded2022-08-22: US$320.00; no sale recorded2023-03-03: US$334.40; no sale recorded2023-03-13: US$170.00; no sale recorded2023-04-03: US$355.20; no sale recorded2023-04-04: US$363.00; no sale recorded2023-04-05: US$336.99; no sale recorded2023-05-14: US$363.78; no sale recorded2023-05-16: US$387.00; no sale recorded2023-05-17: US$387.00; no sale recorded2023-05-18: US$363.78; no sale recorded2023-05-20: US$330.60; sold recorded2023-06-08: US$129.00; no sale recorded2023-06-08: US$363.78; no sale recorded2023-06-12: US$350.50; no sale recorded2023-06-27: US$68.01; no sale recorded2023-06-28: US$64.61; no sale recorded2023-07-03: US$328.23; sold recorded2023-07-14: US$351.50; sold recorded2023-07-20: US$360.00; no sale recorded2023-07-24: US$606.80; no sale recorded2023-07-25: US$689.00; no sale recorded2023-07-26: US$387.00; no sale recorded2023-07-27: US$607.50; no sale recorded2023-07-27: US$607.40; no sale recorded2023-07-27: US$607.30; no sale recorded2023-07-27: US$607.20; no sale recorded2023-07-27: US$607.10; no sale recorded2023-07-27: US$607.00; no sale recorded2023-07-27: US$606.90; no sale recorded2023-08-17: US$215.95; no sale recorded2023-09-06: US$387.00; no sale recorded2023-09-06: US$371.89; no sale recorded2023-09-09: US$179.97; no sale recorded2023-09-13: US$62.29; no sale recorded2023-09-19: US$374.42; no sale recorded2023-09-27: US$200.00; no sale recorded2023-10-06: US$386.27; no sale recorded2023-10-12: US$62.29; no sale recorded2023-11-06: US$56.01; no sale recorded2023-11-07: US$100.00; no sale recorded2024-01-12: US$99.00; no sale recorded2024-01-12: US$300.00; sold recorded2024-02-20: US$361.00; no sale recorded2024-02-24: US$351.93; sold recorded2024-03-09: US$220.88; no sale recorded2024-03-09: US$79.99; no sale recorded2024-04-09: US$340.07; sold recorded2024-04-13: US$386.43; no sale recorded2024-04-19: US$607.02; no sale recorded2024-04-19: US$606.92; sold recorded2024-04-19: US$606.83; no sale recorded2024-04-30: US$607.40; no sale recorded2024-05-10: US$771.29; no sale recorded2024-05-28: US$362.00; sold recorded2024-06-05: US$440.00; no sale recorded2024-07-12: US$339.72; no sale recorded2024-08-03: US$210.58; no sale recorded2024-08-20: US$363.78; no sale recorded2024-08-28: US$569.08; sold recorded2024-09-04: US$210.53; no sale recorded2024-10-12: US$206.75; no sale recorded2024-10-29: US$324.41; no sale recorded2024-11-27: US$300.00; sold recorded2024-11-27: US$49.98; no sale recorded2024-12-03: US$199.62; sold recorded2024-12-03: US$334.40; no sale recorded2025-03-07: US$344.23; no sale recorded2025-03-18: US$387.00; no sale recorded2025-03-20: US$348.00; no sale recorded2025-04-14: US$370.00; no sale recorded2025-04-14: US$263.00; no sale recorded2025-04-28: US$440.00; no sale recorded2025-04-28: US$435.77; no sale recorded2025-04-30: US$298.85; no sale recorded2025-05-06: US$511.50; no sale recorded2025-05-19: US$298.78; no sale recorded2025-05-19: US$291.77; no sale recorded2025-05-19: US$290.99; no sale recorded2025-05-19: US$298.85; no sale recorded2025-05-27: US$366.50; no sale recorded2025-05-28: US$298.85; no sale recorded2025-05-30: US$297.57; no sale recorded2025-06-04: US$381.00; no sale recorded2025-06-19: US$344.23; no sale recorded2025-06-19: US$387.00; no sale recorded2025-06-20: US$297.37; no sale recorded2025-06-21: US$435.00; no sale recorded2025-06-24: US$387.00; no sale recorded2025-07-01: US$360.00; no sale recorded2025-07-08: US$290.00; no sale recorded2025-07-14: US$400.14; no sale recorded2025-07-23: US$179.00; no sale recorded2025-07-23: US$316.99; no sale recorded2025-07-24: US$319.82; no sale recorded2025-07-25: US$298.52; no sale recorded2025-08-09: US$294.37; no sale recorded2025-08-11: US$421.20; no sale recorded2025-08-13: US$316.49; no sale recorded2025-08-19: US$316.77; no sale recorded2025-08-23: US$181.00; no sale recorded2025-09-19: US$356.00; no sale recorded2025-10-07: US$371.89; no sale recorded2025-10-24: US$289.99; no sale recorded2025-10-24: US$289.72; no sale recorded2025-10-24: US$289.35; no sale recorded2025-11-15: US$125.00; no sale recorded2025-11-18: US$370.70; no sale recorded2025-11-25: US$354.50; no sale recorded2026-01-12: US$283.36; no sale recorded2026-01-21: US$333.67; no sale recorded2026-01-21: US$313.99; no sale recorded2026-01-21: US$328.67; no sale recorded2026-01-23: US$393.13; no sale recorded2026-01-28: US$310.99; no sale recorded2026-02-11: US$349.20; no sale recorded2026-02-11: US$352.20; no sale recorded2026-02-12: US$400.75; no sale recorded2026-02-24: US$330.62; no sale recorded2026-03-25: US$354.50; no sale recorded2026-03-28: US$291.20; no sale recorded2026-04-01: US$310.99; no sale recorded2026-04-03: US$352.00; no sale recorded2026-04-12: US$385.88; no sale recorded2026-04-14: US$370.00; no sale recorded2026-04-21: US$280.24; no sale recorded2026-04-22: US$275.24; no sale recorded2026-04-29: US$387.00; no sale recorded2026-05-02: US$219.39; no sale recorded2026-05-14: US$278.00; no sale recorded2026-05-14: US$361.00; no sale recorded2026-05-17: US$386.61; no sale recorded2026-05-20: US$386.60; no sale recorded2026-05-22: US$380.00; no sale recorded2026-05-23: US$386.61; no sale recorded2026-05-31: US$245.00; no sale recorded2026-05-31: US$386.61; no sale recorded2026-07-02: US$341.98; no sale recorded2026-07-07: US$325.37; no sale recorded2026-07-13: US$346.67; no sale recorded2026-08-28: US$273.57; no sale recorded2026-08-28: US$286.45; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$330.62

169 plotted records from 169 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

178 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
28 Aug 20263TK2840-1BB40 1PCS Brand New Siemens 3TK2840-1BB40 Safety Relay 24VDC Fast shipeBay 377453452442New$286.450Recorded activeCN
28 Aug 20261PCS Brand New Siemens 3TK2840-1BB40 Safety Relay 24VDC Fast shippingeBay 227495228972New$273.570Recorded activeCN
13 Jul 20261PC New Siemens 3TK2840-1BB40 3TK2840-1BB40 Safety Relay FAST SHIPeBay 236935778537New$346.670Recorded activeCN
07 Jul 20261PC New in box Siemens 3TK2840-1BB40 3TK2840-1BB40 Safety Relay FAST SHIPeBay 358767133184New$325.370Recorded activeCN
02 Jul 20261PC NEW SIEMENS 3TK2840-1BB40 Safety Relay Fast ShippingeBay 398132299654New$341.980Recorded activeCN
31 May 20263TK2840-1BB40 Safety Relay for Siemens 24V ReplacementeBay 336612222621New$386.610Recorded activeCN
31 May 2026SIEMENS 3TK2840-1BB40 RELAY 24V UNMPeBay 178179211926Used$245.000Recorded activeUS
23 May 20263TK2840-1BB40 Safety Relay for Siemens 24V ReplacementeBay 147325593160New$386.610Recorded activeCN
22 May 2026One Brand New SIEMENS 3TK2840-1BB40 Safety Relay Free shipping#LJeBay 336596439717New$380.000Recorded activeCN
20 May 20263TK2840-1BB40 Safety Relay for Siemens 24V ReplacementeBay 366420660734New$386.600Recorded activeCN
17 May 20263TK2840-1BB40 Safety Relay for Siemens 24V ReplacementeBay 366414241860New$386.610Recorded activeCN
14 May 20261PC New in box Siemens 3TK2840-1BB40 3TK28401BB40 Safety Relay FAST SHIPeBay 336583666011New$361.000Recorded activeHK
14 May 20261PCS Brand New Siemens 3TK2840-1BB40 Safety Relay 3TK2840-1BB40 Fast shippingeBay 397946117755New$278.000Recorded activeCN
02 May 2026SIEMENS 3TK2840-1BB40 / 3TK28401BB40 (USED)eBay 318235610373Used$219.390Recorded activeUS
29 Apr 20263TK2840-1BB40 Safety Relay for Siemens 24VDCeBay 198319196054New$387.000Recorded activeCN
22 Apr 20261PCS Brand New Siemens 3TK2840-1BB40 Safety Relay 3TK2840-1BB40 Fast shippingeBay 157852810257New$275.240Recorded activeCN
21 Apr 20261PCS Brand New Siemens 3TK2840-1BB40 Safety Relay 3TK2840-1BB40 Fast shippingeBay 227309905647New$280.240Recorded activeCN
14 Apr 20261PC New in box Siemens 3TK2840-1BB40 3TK28401BB40 Safety Relay Fast DeliveryeBay 377113798085New$370.000Recorded activeCN
12 Apr 20263TK2840-1BB40 Safety Relay for Siemens Single-Channel 24VDC 2 Safety ContactseBay 318140808535New$385.880Recorded activeCN
03 Apr 20261PC New in box Siemens 3TK2840-1BB40 3TK28401BB40 Safety Relay FAST SHIPeBay 318099677136New$352.000Recorded activeCN
01 Apr 20261PC NEW SIEMENS in box 3TK2840-1BB40 3TK28401BB40 Safety Relay ship DHL*YeBay 227282045330New$310.990Recorded activeCN
28 Mar 20263TK2840-1BB40 1PCS Brand New Siemens 3TK2840-1BB40 Safety Relay Fast shipeBay 178000902872New$291.200Recorded activeCN
25 Mar 2026NEW SIEMENS in box 3TK2840-1BB40 3TK28401BB40 Safety Relay ship DHLeBay 137166290533New$354.500Recorded activeCN
24 Feb 20261PC New in box Siemens 3TK2840-1BB40 3TK28401BB40 Safety Relay FAST SHIP#XR@ZeBay 406719202732New$330.620Recorded activeCN
12 Feb 2026New Siemens 3TK2840-1BB40 Safety Relay Fast deliveryeBay 206065497497New$400.750Recorded 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

3TK28342BB403TK2835-1AL203TK2835-1BB403TK2840-1BB40/NEW3TK2840-2BB403TK2841-1BB40

Related part numbers

3TK2828-1BB403TK2842-1BB413TK2830-1CB303RP1540-1BB303TF2010-0BB43RT1034-1BB403RT1316-1BB403RT2023-2BB403RT2017-1BB423SK1111-1AB303RS1140-1GD603RH1122-1KB403RT1016-1BB413SK1121-1CB423TF2010-0AP0

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