Siemens / Relays and timers
3TX7121-5FF13
First listing start: 31 Jul 2017Last listing start: 30 Aug 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$13.75
20 plotted records from 20 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
20 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 30 Aug 2026 | SIEMENS 3TX7121-5FF13 Relay Coil 120VAC 50/60HzeBay 820065091729 | Used | $13.99 | 0 | Recorded active | US |
| 16 Oct 2025 | Siemens 3TX7121-5FF13 Relay, Coil 120VAC, 50/60Hz, 0127B **Free Shipping**eBay 286881015480 | Used | $16.99 | 0 | Recorded active | US |
| 17 Sep 2025 | NEW GENUINE SIEMENS 3TX7121-5FF13 PLUG IN RELAY 120VAC 15AMP 3PDTeBay 116783420886 | New | $31.24 | 0 | Recorded active | US |
| 22 Jul 2025 | SIEMENS 3TX7121-5FF13 RELAY 120VAC UNMPeBay 177283996488 | Used | $12.00 | 0 | Recorded active | US |
| 22 Jul 2025 | SIEMENS 3TX7121-5FF13 RELAY COIL 120VAC 50/60HZ UNMPeBay 157190114943 | Used | $12.00 | 0 | Recorded active | US |
| 21 Jan 2025 | SIEMENS 3TX7121-5FF13 RELAY 3 PDT 15 AMP PLUG-IN 120 VAC 15A F71eBay 286276314205 | New - Open box | $19.99 | 0 | Recorded active | US |
| 12 Oct 2024 | Siemens 3PDT 15AMP PLUG IN 120 VAC 3TX7121-5FF13 [RC 1-2]eBay 186727493564 | New | $25.00 | 0 | Recorded active | US |
| 01 Jun 2023 | NEW SIEMENS 3TX7121-5FF13 RELAY 3 PDT 15 AMP PLUG-IN 120 VAC 15A(25 AVAILABLE)eBay 185922737045 | New | $13.50 | 1 | Sold recorded | US |
| 26 Aug 2022 | Siemens 3TX7121-5FF13 Relay New in BoxeBay 325319044416 | New | $35.00 | 0 | No sale recorded | US |
| 28 May 2020 | Siemens 3TX7121-5FF13 RelayeBay 324180792923 | Used | $9.00 | 0 | No sale recorded | US |
| 21 May 2020 | Siemens 3TX7121-5FF13 Relay New in BoxeBay 324172603712 | New | $35.00 | 0 | No sale recorded | US |
| 22 Nov 2019 | Siemens 3TX7121-5FF13 Relay New in BoxeBay 223762431469 | New | $35.00 | 0 | No sale recorded | US |
| 20 Nov 2019 | Siemens 3TX7121-5FF13 Relay New in BoxeBay 323985948185 | New | $35.00 | 0 | No sale recorded | US |
| 05 Oct 2018 | SIEMENS 3TX7121-5FF13 RELAY 120VAC * USED *eBay 232954210372 | Used | $12.00 | 0 | No sale recorded | US |
| 05 Oct 2018 | SIEMENS 3TX7121-5FF13 RELAY COIL 120VAC 50/60HZ * USED *eBay 232954202633 | Used | $12.00 | 0 | No sale recorded | US |
| 05 Sep 2018 | SIEMENS 3TX7121-5FF13 RELAY 120VAC * USED *eBay 332794694827 | Used | $12.00 | 0 | No sale recorded | US |
| 05 Sep 2018 | SIEMENS 3TX7121-5FF13 RELAY COIL 120VAC 50/60HZ * USED *eBay 312233214110 | Used | $12.00 | 0 | No sale recorded | US |
| 06 Aug 2018 | SIEMENS 3TX7121-5FF13 RELAY 120VAC * USED *eBay 312209215681 | Used | $12.00 | 0 | No sale recorded | US |
| 06 Aug 2018 | SIEMENS 3TX7121-5FF13 RELAY COIL 120VAC 50/60HZ * USED *eBay 332750720721 | Used | $12.00 | 0 | No sale recorded | US |
| 31 Jul 2017 | Siemens 3TX7121-5FF13 RelayeBay 292200585775 | New - Open box | $39.99 | 0 | No sale recorded | US |
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.