PartHistory
Siemens / Contactors and overloads

3RT2037-1KB44

Contactors and overloads family illustration
Recorded listings
117
Recorded quantity sold
8
Median recorded price
$295.40107 US-dollar records
Recorded price range
$144.00to $718.00 USD
First listing start: 21 May 2020Last listing start: 14 Jul 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.0.00200.00400.00600.00800.00May 2020Nov 2021Jun 2023Dec 2024Jul 20262020-05-21: US$356.00; no sale recorded2021-03-11: US$718.00; no sale recorded2023-04-18: US$355.99; sold recorded2023-04-20: US$373.45; no sale recorded2023-06-24: US$629.83; no sale recorded2023-10-24: US$329.28; no sale recorded2023-10-25: US$328.30; no sale recorded2024-01-02: US$308.05; sold recorded2024-03-18: US$380.98; no sale recorded2024-04-25: US$351.04; no sale recorded2024-04-30: US$380.01; no sale recorded2024-06-28: US$394.34; no sale recorded2024-08-01: US$222.00; no sale recorded2024-09-27: US$295.01; sold recorded2024-11-28: US$429.00; no sale recorded2024-12-04: US$295.43; sold recorded2024-12-18: US$295.31; no sale recorded2024-12-18: US$295.35; sold recorded2024-12-18: US$295.41; sold recorded2024-12-18: US$295.30; no sale recorded2024-12-18: US$295.38; sold recorded2025-02-10: US$294.99; no sale recorded2025-02-24: US$312.71; no sale recorded2025-02-27: US$295.00; no sale recorded2025-03-01: US$144.00; no sale recorded2025-03-04: US$295.43; no sale recorded2025-03-04: US$286.57; no sale recorded2025-04-08: US$440.00; no sale recorded2025-04-11: US$435.00; no sale recorded2025-04-13: US$356.04; no sale recorded2025-04-17: US$295.37; no sale recorded2025-04-17: US$295.40; no sale recorded2025-04-17: US$295.39; no sale recorded2025-04-17: US$295.38; no sale recorded2025-04-17: US$295.43; no sale recorded2025-04-18: US$366.32; no sale recorded2025-05-21: US$513.12; no sale recorded2025-05-22: US$534.52; no sale recorded2025-06-17: US$295.43; no sale recorded2025-06-17: US$295.35; no sale recorded2025-06-26: US$294.99; no sale recorded2025-07-09: US$294.98; no sale recorded2025-07-14: US$299.60; no sale recorded2025-07-14: US$293.00; no sale recorded2025-07-17: US$295.31; no sale recorded2025-07-17: US$295.33; no sale recorded2025-07-17: US$295.38; no sale recorded2025-07-17: US$295.37; no sale recorded2025-07-17: US$295.41; no sale recorded2025-07-17: US$295.39; no sale recorded2025-07-18: US$384.05; no sale recorded2025-07-21: US$428.32; no sale recorded2025-07-31: US$324.48; no sale recorded2025-08-04: US$312.68; no sale recorded2025-08-23: US$178.00; no sale recorded2025-08-25: US$294.98; no sale recorded2025-09-03: US$294.98; no sale recorded2025-09-03: US$295.43; no sale recorded2025-09-17: US$295.34; no sale recorded2025-09-17: US$295.42; no sale recorded2025-09-25: US$291.00; no sale recorded2025-09-29: US$292.89; no sale recorded2025-10-09: US$294.97; no sale recorded2025-10-17: US$295.36; no sale recorded2025-10-17: US$295.37; no sale recorded2025-10-17: US$295.32; no sale recorded2025-10-17: US$295.30; no sale recorded2025-11-04: US$339.74; no sale recorded2025-11-07: US$366.49; no sale recorded2025-11-19: US$359.74; no sale recorded2025-11-22: US$398.74; no sale recorded2025-11-26: US$398.81; no sale recorded2025-12-02: US$295.15; no sale recorded2025-12-03: US$295.41; no sale recorded2025-12-06: US$315.41; no sale recorded2025-12-06: US$319.30; no sale recorded2025-12-07: US$385.34; no sale recorded2025-12-07: US$383.24; no sale recorded2026-01-05: US$309.30; no sale recorded2026-01-08: US$336.82; no sale recorded2026-01-14: US$324.74; no sale recorded2026-01-23: US$294.69; no sale recorded2026-02-06: US$377.98; no sale recorded2026-02-10: US$350.20; no sale recorded2026-02-10: US$353.20; no sale recorded2026-03-09: US$294.96; no sale recorded2026-03-13: US$396.43; no sale recorded2026-03-17: US$295.37; no sale recorded2026-03-17: US$295.13; no sale recorded2026-03-17: US$295.36; no sale recorded2026-03-17: US$295.35; no sale recorded2026-03-17: US$295.29; no sale recorded2026-03-17: US$295.27; no sale recorded2026-03-17: US$295.28; no sale recorded2026-03-17: US$295.26; no sale recorded2026-04-01: US$209.23; no sale recorded2026-04-01: US$335.60; no sale recorded2026-04-02: US$295.14; no sale recorded2026-04-02: US$295.39; no sale recorded2026-04-08: US$420.20; no sale recorded2026-04-11: US$315.80; no sale recorded2026-04-13: US$284.89; no sale recorded2026-05-20: US$294.69; no sale recorded2026-06-03: US$294.66; no sale recorded2026-06-09: US$294.95; no sale recorded2026-06-17: US$295.28; no sale recorded2026-07-14: US$292.89; 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.0.00200.00400.00600.00800.00May 2020Jun 2023Jul 20262020-05-21: US$356.00; no sale recorded2021-03-11: US$718.00; no sale recorded2023-04-18: US$355.99; sold recorded2023-04-20: US$373.45; no sale recorded2023-06-24: US$629.83; no sale recorded2023-10-24: US$329.28; no sale recorded2023-10-25: US$328.30; no sale recorded2024-01-02: US$308.05; sold recorded2024-03-18: US$380.98; no sale recorded2024-04-25: US$351.04; no sale recorded2024-04-30: US$380.01; no sale recorded2024-06-28: US$394.34; no sale recorded2024-08-01: US$222.00; no sale recorded2024-09-27: US$295.01; sold recorded2024-11-28: US$429.00; no sale recorded2024-12-04: US$295.43; sold recorded2024-12-18: US$295.31; no sale recorded2024-12-18: US$295.35; sold recorded2024-12-18: US$295.41; sold recorded2024-12-18: US$295.30; no sale recorded2024-12-18: US$295.38; sold recorded2025-02-10: US$294.99; no sale recorded2025-02-24: US$312.71; no sale recorded2025-02-27: US$295.00; no sale recorded2025-03-01: US$144.00; no sale recorded2025-03-04: US$295.43; no sale recorded2025-03-04: US$286.57; no sale recorded2025-04-08: US$440.00; no sale recorded2025-04-11: US$435.00; no sale recorded2025-04-13: US$356.04; no sale recorded2025-04-17: US$295.37; no sale recorded2025-04-17: US$295.40; no sale recorded2025-04-17: US$295.39; no sale recorded2025-04-17: US$295.38; no sale recorded2025-04-17: US$295.43; no sale recorded2025-04-18: US$366.32; no sale recorded2025-05-21: US$513.12; no sale recorded2025-05-22: US$534.52; no sale recorded2025-06-17: US$295.43; no sale recorded2025-06-17: US$295.35; no sale recorded2025-06-26: US$294.99; no sale recorded2025-07-09: US$294.98; no sale recorded2025-07-14: US$299.60; no sale recorded2025-07-14: US$293.00; no sale recorded2025-07-17: US$295.31; no sale recorded2025-07-17: US$295.33; no sale recorded2025-07-17: US$295.38; no sale recorded2025-07-17: US$295.37; no sale recorded2025-07-17: US$295.41; no sale recorded2025-07-17: US$295.39; no sale recorded2025-07-18: US$384.05; no sale recorded2025-07-21: US$428.32; no sale recorded2025-07-31: US$324.48; no sale recorded2025-08-04: US$312.68; no sale recorded2025-08-23: US$178.00; no sale recorded2025-08-25: US$294.98; no sale recorded2025-09-03: US$294.98; no sale recorded2025-09-03: US$295.43; no sale recorded2025-09-17: US$295.34; no sale recorded2025-09-17: US$295.42; no sale recorded2025-09-25: US$291.00; no sale recorded2025-09-29: US$292.89; no sale recorded2025-10-09: US$294.97; no sale recorded2025-10-17: US$295.36; no sale recorded2025-10-17: US$295.37; no sale recorded2025-10-17: US$295.32; no sale recorded2025-10-17: US$295.30; no sale recorded2025-11-04: US$339.74; no sale recorded2025-11-07: US$366.49; no sale recorded2025-11-19: US$359.74; no sale recorded2025-11-22: US$398.74; no sale recorded2025-11-26: US$398.81; no sale recorded2025-12-02: US$295.15; no sale recorded2025-12-03: US$295.41; no sale recorded2025-12-06: US$315.41; no sale recorded2025-12-06: US$319.30; no sale recorded2025-12-07: US$385.34; no sale recorded2025-12-07: US$383.24; no sale recorded2026-01-05: US$309.30; no sale recorded2026-01-08: US$336.82; no sale recorded2026-01-14: US$324.74; no sale recorded2026-01-23: US$294.69; no sale recorded2026-02-06: US$377.98; no sale recorded2026-02-10: US$350.20; no sale recorded2026-02-10: US$353.20; no sale recorded2026-03-09: US$294.96; no sale recorded2026-03-13: US$396.43; no sale recorded2026-03-17: US$295.37; no sale recorded2026-03-17: US$295.13; no sale recorded2026-03-17: US$295.36; no sale recorded2026-03-17: US$295.35; no sale recorded2026-03-17: US$295.29; no sale recorded2026-03-17: US$295.27; no sale recorded2026-03-17: US$295.28; no sale recorded2026-03-17: US$295.26; no sale recorded2026-04-01: US$209.23; no sale recorded2026-04-01: US$335.60; no sale recorded2026-04-02: US$295.14; no sale recorded2026-04-02: US$295.39; no sale recorded2026-04-08: US$420.20; no sale recorded2026-04-11: US$315.80; no sale recorded2026-04-13: US$284.89; no sale recorded2026-05-20: US$294.69; no sale recorded2026-06-03: US$294.66; no sale recorded2026-06-09: US$294.95; no sale recorded2026-06-17: US$295.28; no sale recorded2026-07-14: US$292.89; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$295.40

107 plotted records from 107 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

117 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
14 Jul 20261PC NEW Siemens contactor 3RT2037-1KB44 FedEx or DHLeBay 336687549645New$292.890Recorded activeUS
17 Jun 20261PC Siemens contactor 3RT2037-1KB44eBay 407006833979New$295.280Recorded activeCN
09 Jun 2026NEW Siemens contactor 3RT2037-1KB44eBay 318429614282New$294.950Recorded activeCN
03 Jun 2026NEW Siemens contactor 3RT2037-1KB44eBay 800116814501New$294.660Recorded activeCN
20 May 2026NEW Siemens contactor 3RT2037-1KB44eBay 157925677006New$294.690Recorded activeCN
13 Apr 20261pc NEW SIEMENS 3RT2037-1KB44eBay 366344800682New$284.890Recorded activeCN
11 Apr 20261PC PLC Module New Unopened Siemens 3RT2037-1KB44 Fast ShipeBay 298215067720New$315.800Recorded activeUS
08 Apr 20261pc NEW Unopened Siemens 3RT2037-1KB44 Fast ShipeBay 377097282077New$420.200Recorded activeUS
02 Apr 2026NEW 1PCS Siemens contactor 3RT2037-1KB44eBay 389837244375New$295.390Recorded activeCN
02 Apr 2026NEW 1PCS Siemens contactor 3RT2037-1KB44eBay 318096411589New$295.140Recorded activeCN
01 Apr 2026New Siemens 3RT2037-1KB44 3-Phase DC Koppel Switch IP20 Wall MounteBay 178013860413New335.07 [CA]0Recorded activeCZ
01 Apr 2026New Siemens 3RT2037-1KB44 3-Phase DC Koppel Switch IP20 Wall MounteBay 178013860351New$335.600Recorded activeCZ
01 Apr 2026New SIEMENS 3RT2037-1KB44 3-Phase Coupling Relay Switch 80A DCeBay 178013860060New - Open box$209.230Recorded activeCZ
17 Mar 2026ONE Siemens contactor 3RT2037-1KB44eBay 389762354422New$295.260Recorded activeCN
17 Mar 2026ONE Siemens contactor 3RT2037-1KB44eBay 406777013887New$295.280Recorded activeCN
17 Mar 2026ONE Siemens contactor 3RT2037-1KB44eBay 358342917637New$295.270Recorded activeCN
17 Mar 20261PC Siemens contactor 3RT2037-1KB44eBay 406777001991New$295.290Recorded activeCN
17 Mar 20261PCS Siemens contactor 3RT2037-1KB44eBay 366283327306New$295.350Recorded activeCN
17 Mar 2026NEW 1PCS Siemens contactor 3RT2037-1KB44eBay 389762321364New$295.360Recorded activeCN
17 Mar 20261PC Siemens contactor 3RT2037-1KB44eBay 287212068601New$295.130Recorded activeCN
17 Mar 2026NEW 1PCS Siemens contactor 3RT2037-1KB44eBay 406774645145New$295.370Recorded activeCN
16 Mar 20261PCS NEW Siemens contactor 3RT2037-1KB44eBay 298128345596Neu430.42 [DE]0Recorded activeCN
13 Mar 20261PCS Siemens contactor 3RT2037-1KB44eBay 236684156559New$396.430Recorded activeUS
09 Mar 2026NEW Siemens contactor 3RT2037-1KB44eBay 317976833338New$294.960Recorded activeCN
10 Feb 20261pc New Unopened Siemens 3RT2037-1KB44 Fast ShipeBay 157672264285New$353.200Recorded 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

3RT2037-1AV003RT2037-1KB403RT2037-1KB40-1AA03RT2037-1KB44-3MA03RT2037-1KB44-3MAO3RT2037-1NB30

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3RT2017-1BB423RT1034-1BB403RT2023-2BB403RT1016-1BB413RT1316-1BB403RH1122-1KB403TF2010-0BB43RN1012-1CB003TK2828-1BB403TK2842-1BB413TK2830-1CB303RW3026-2BB043RF3403-1BD043RG4012-3KB003RT1317-1AP00

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