Siemens / Motor starters and circuit breakers
3VA9978-0AA12
First listing start: 27 Sep 2020Last listing start: 16 Sep 2026
Recorded price history
USDSold recordedNo sale recordedMonthly median
Linear price scale. Dates are listing starts.
Median recorded price, all years$41.66
56 plotted records from 56 US-dollar records in this range. Monthly medians use all records in each calendar month.
Archived listings
57 recorded listings| Listing start | Archived listing | Condition | Recorded price | Qty sold | Archive status | Country |
|---|---|---|---|---|---|---|
| 16 Sep 2026 | SIEMENS 3VA9978-0AA12, SENTRON AUXILIARY SWITCH, NEW #356946eBay 178502111753 | New | $37.50 | 0 | Recorded active | US |
| 24 Aug 2026 | SIEMENS 3VA9978-0AA12, SENTRON AUXILIARY SWITCH, NEW #356946eBay 178436377971 | New | $37.50 | 0 | Recorded active | US |
| 22 Jun 2026 | Siemens Type HQ Auxiliary Switch 3VA9978-0AA12 240V 3A New SurpluseBay 298440428244 | New | $40.00 | 0 | Recorded active | US |
| 18 May 2026 | Siemens 3VA9978-0AA12 Sentron Auxiliary Switch. New & Free ShippingeBay 800036722531 | New | $81.18 | 0 | Recorded active | US |
| 26 Mar 2026 | 1PC SIEMENS 3VA9978-0AA12 BREAKER 3VA4,5,6 AUX SWITCH STANDARDeBay 406802743002 | New | $198.10 | 0 | Recorded active | US |
| 05 Mar 2026 | SIEMENS 3VA9978-0AA12 / 3VA99780AA12 (BRAND NEW)eBay 389704567709 | New | 170.04 [CA] | 0 | Recorded active | CA |
| 28 Feb 2026 | Siemens 3VA9978-0AA12 Auxiliary Switch 3VA99780AA12eBay 336456729017 | New | $89.44 | 0 | Recorded active | US |
| 27 Feb 2026 | Siemens 3VA9978-0AA12 Auxiliary Switch Type HQeBay 227235091037 | Used | $29.00 | 0 | Recorded active | US |
| 04 Feb 2026 | Siemens 3VA9978-0AA12 Auxiliary Switch 3VA99780AA12eBay 376932543183 | New | $68.44 | 0 | Recorded active | US |
| 31 Jan 2026 | SIEMENS 3VA9978-0AA12eBay 397556269155 | New | $125.00 | 0 | Recorded active | US |
| 15 Jan 2026 | SIEMENS 3VA9978-0AA12 FuseeBay 168085177408 | New | $78.72 | 0 | Recorded active | US |
| 09 Nov 2025 | ---NEW---- 4 Pack - Siemens 3VA9978-0AA12 BREAKER 3VA Aux Switch AUX TYPE HQeBay 205835321229 | New | $99.45 | 0 | Recorded active | US |
| 18 Sep 2025 | SIEMENS Breaker 3VA9978-0AA12 / 3VA99780AA12 (BRAND NEW)eBay 257112867624 | New | $34.00 | 0 | Recorded active | US |
| 23 Jul 2025 | *Lot of 2* Siemens 3VA9978-0AA12 HQ Auxiliary Switch AC240V 3A - NEW Surplus!eBay 167668111640 | New - Open box | $20.00 | 0 | Recorded active | US |
| 08 Jul 2025 | 1PC SIEMENS 3VA9978-0AA12eBay 257007620557 | New | $173.03 | 0 | Recorded active | US |
| 27 Jun 2025 | SIEMENS 3VA9978-0AA12, SENTRON AUXILIARY SWITCH W/ CHANGEOVER CONTACTS, #339433eBay 177225949493 | New | $38.06 | 0 | Recorded active | US |
| 28 May 2025 | SIEMENS 3VA9978-0AA12, SENTRON AUXILIARY SWITCH W/ CHANGEOVER CONTACTS, #339433eBay 177134026687 | New | $38.06 | 0 | Recorded active | US |
| 17 May 2025 | New Siemens 3VA9978-0AA12 Auxiliary Switch Type HQ NeweBay 405869149477 | New | $49.99 | 0 | Recorded active | US |
| 25 Apr 2025 | SIEMENS Auxiliary Switch 3VA9978-0AA12 / 3VA99780AA12 Lot of 2 NEWeBay 156925627057 | New | $29.97 | 1 | Sold recorded | US |
| 22 Apr 2025 | SIEMENS 3VA9978-0AA12 / 3VA99780AA12 (NEW NO BOX)eBay 236067365988 | New - Open box | $84.00 | 0 | Recorded active | US |
| 19 Mar 2025 | Siemens 3VA9978-0AA12 Auxiliary Switch Type HQ 3A 240V (5-Pack)eBay 335870215383 | New - Open box | $99.99 | 1 | Sold recorded | US |
| 19 Mar 2025 | Siemens 3VA9978-0AA12 Auxiliary Switch Type HQ 3A 240V Lot of 4eBay 335870215268 | New - Open box | $79.99 | 0 | Recorded active | US |
| 14 Mar 2025 | SIEMENS 3VA9978-0AA12 Auxiliary Switch Type HQ 3A 300 VACeBay 356669015387 | Used | $29.99 | 0 | Recorded active | US |
| 07 Nov 2024 | SIEMENS 3VA9978-0AA12, SENTRON AUXILIARY SWITCH W/ CHANGEOVER CONTACTS, #332082eBay 196790516425 | New | $38.06 | 1 | Sold recorded | US |
| 21 Oct 2024 | SIEMENS 3VA9978-0AA12 1C,1 N.O., 1 N.C. *SHIPS SAME DAY UPS*eBay 226411460289 | New - Open box | $45.00 | 0 | Recorded active | 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.