Siemens / Other Siemens parts
3TK2840-2BB40
First listing start: 17 Jan 2022Last listing start: 13 May 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Logarithmic price scale (price + 1). Dates are listing starts.
Median recorded price, all years$220.60
19 plotted records from 19 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
30 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 13 May 2026 | High Quality 1PC NEW Siemens 3TK2840-2BB40 With 1 Year warrantyeBay 206272109513 | New | $215.65 | 0 | Recorded active | CN |
| 13 May 2026 | 1PC 3TK2840-2BB40 Siemens Brand New Good QualityeBay 287329567918 | New | $218.83 | 0 | Recorded active | CN |
| 12 May 2026 | 1PC Free shipping NEW Siemens 3TK2840-2BB40 1 Year warrantyeBay 377179549663 | New | $220.75 | 0 | Recorded active | CN |
| 12 May 2026 | One NEW Siemens 3TK2840-2BB40 Free Shipping Warranty IncludedeBay 318291213600 | New | $220.60 | 0 | Recorded active | CN |
| 11 May 2026 | High Quality 1PC NEW Siemens 3TK2840-2BB40 With 1 Year warrantyeBay 800004593908 | New | $220.65 | 0 | Recorded active | CN |
| 11 May 2026 | Siemens SIRIUS 3TK2840-2BB40 E-Stand: 03 Safety Switchgear -used-eBay 168367771215 | Gebraucht | 45.97 [DE] | 0 | Recorded active | DE |
| 24 Feb 2026 | SIEMENS 3TK2840-2BB40 (24VDC) SIRIUS SAFETY SWITCHGEAReBay 168183665776 | Used | $199.00 | 0 | Recorded active | IN |
| 19 Feb 2026 | 3TK2840-2BB40, SIEMENSeBay 117045896978 | Used | $64.93 | 0 | Recorded active | DE |
| 12 Oct 2025 | Siemens - 3TK2840-2BB40 - SIRIUS Safety Relay w/ Electronic Enabling CircuitseBay 286873698536 | Gebraucht | 80.17 [DE] | 0 | Recorded active | DE |
| 08 Oct 2025 | 1PC New Siemens 3TK2840-2BB40 PLCeBay 227014228707 | New | $228.14 | 0 | Recorded active | CN |
| 06 Oct 2025 | 1PC New Siemens 3TK2840-2BB40eBay 167841717220 | New | $220.77 | 0 | Recorded active | CN |
| 16 Sep 2025 | 3TK2840-2BB40, SIEMENSeBay 116782644823 | Used | $64.93 | 0 | Recorded active | DE |
| 08 Apr 2025 | Siemens Sirius 3TK2840-2BB40 Safety Relay 3TK2 840-2BB40eBay 127040833881 | Gebraucht | 35.90 [DE] | 0 | Recorded active | DE |
| 23 Mar 2025 | One Siemens 3TK2840-2BB40 NEW Welcome counteroffereBay 286431830669 | New | $62.07 | 0 | Recorded active | CN |
| 17 Oct 2024 | 1Ps SIEMENS 3TK2840-2BB40 Fast ShippingeBay 315857906696 | Used | $2412.70 | 0 | No sale recorded | CN |
| 17 Oct 2024 | 1Pcs SIEMENS 3TK2840-2BB40 Welcome counteroffereBay 326306649283 | Used | $2409.64 | 0 | Recorded active | CN |
| 17 Oct 2024 | 1Ps SIEMENS 3TK2840-2BB40 Quickly deliveryeBay 167028759907 | Used | $2413.79 | 0 | Recorded active | CN |
| 17 Oct 2024 | 1P SIEMENS 3TK2840-2BB40 Accept counteroffereBay 167028760664 | Used | $2401.37 | 1 | Sold recorded | CN |
| 17 Oct 2024 | One SIEMENS 3TK2840-2BB40 Welcome counteroffereBay 286112642326 | Used | $2405.50 | 0 | Recorded active | CN |
| 11 Apr 2024 | SIEMENS 3TK2840-2BB40 (24VDC) SIRIUS SICHERHEITSSCHALTGERÄTeBay 156162965270 | Gebraucht | 47.32 [Germany] | 1 | Sold recorded | DE |
| 08 Mar 2024 | SIEMENS Sirius, 3TK2840-2BB40 DC 24V SicherheitsrelaiseBay 134969884635 | Gebraucht | 47.37 [Germany] | 1 | Sold recorded | DE |
| 02 Feb 2024 | Siemens SB-5R Surface Mount Back BoxeBay 186282272595 | New | $19.00 | 0 | Recorded active | US |
| 02 Feb 2024 | SIEMENS SIRIUS 3TK2840-2BB40 SicherheitsschaltgeräteBay 285682609136 | Neu | 199.96 [Germany] | 0 | Recorded active | DE |
| 04 Jan 2024 | 3TK2840-2BB40, SIEMENSeBay 116028927190 | Gebraucht | 108.22 [Germany] | 1 | Sold recorded | DE |
| 23 Dec 2023 | Siemens sirius safety relay 3TK2840-2BB40 ( 3TK2 840-2BB40 ) eBay 266580595696 | Gebraucht | 89.40 [Germany] | 0 | Recorded active | DE |
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.