PartHistory
Siemens / Other Siemens parts

951-7LB21

Other Siemens parts family illustration
Recorded listings
113
Recorded quantity sold
29
Median recorded price
$347.0097 US-dollar records
Recorded price range
$25.00to $2139.00 USD
First listing start: 20 Mar 2017Last listing start: 03 Apr 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.0.001000.002000.003000.004000.00Mar 2017Jun 2019Sep 2021Dec 2023Apr 20262017-03-20: US$150.00; sold recorded2017-04-02: US$25.00; no sale recorded2017-04-10: US$634.98; no sale recorded2017-04-14: US$223.00; no sale recorded2017-04-17: US$235.61; no sale recorded2017-04-23: US$310.00; no sale recorded2017-06-03: US$654.00; no sale recorded2017-06-11: US$656.00; no sale recorded2017-06-19: US$653.00; no sale recorded2017-10-17: US$801.26; no sale recorded2017-11-20: US$517.08; no sale recorded2018-01-08: US$632.00; no sale recorded2018-02-01: US$249.87; no sale recorded2018-05-02: US$516.31; no sale recorded2018-05-03: US$634.91; no sale recorded2018-05-16: US$653.00; no sale recorded2018-07-04: US$654.00; no sale recorded2018-09-03: US$559.00; sold recorded2018-12-27: US$50.00; no sale recorded2019-01-03: US$50.00; sold recorded2019-10-14: US$615.00; no sale recorded2019-11-09: US$350.00; no sale recorded2019-12-20: US$300.00; no sale recorded2020-02-12: US$175.00; no sale recorded2020-03-09: US$980.59; no sale recorded2020-03-10: US$149.67; no sale recorded2020-03-12: US$267.58; no sale recorded2020-04-22: US$160.00; sold recorded2020-06-17: US$590.77; no sale recorded2021-01-13: US$276.00; sold recorded2021-02-10: US$412.50; no sale recorded2021-02-12: US$2138.92; no sale recorded2021-03-09: US$225.60; no sale recorded2021-06-11: US$90.00; no sale recorded2022-03-14: US$370.00; no sale recorded2022-05-13: US$592.20; no sale recorded2022-06-18: US$246.03; no sale recorded2022-07-25: US$131.25; sold recorded2022-07-30: US$1137.00; no sale recorded2022-08-05: US$413.10; no sale recorded2022-08-17: US$221.43; no sale recorded2022-09-20: US$52.00; sold recorded2022-10-03: US$1000.00; no sale recorded2022-10-06: US$200.00; sold recorded2022-11-25: US$2139.00; no sale recorded2022-11-27: US$2139.00; no sale recorded2022-11-28: US$2139.00; no sale recorded2022-11-29: US$2139.00; no sale recorded2022-11-30: US$2139.00; no sale recorded2022-11-30: US$520.99; no sale recorded2022-12-01: US$2139.00; no sale recorded2022-12-03: US$2139.00; no sale recorded2022-12-03: US$2139.00; no sale recorded2022-12-04: US$2139.00; no sale recorded2022-12-05: US$2139.00; no sale recorded2022-12-21: US$287.50; no sale recorded2023-02-22: US$309.07; no sale recorded2023-02-27: US$249.99; sold recorded2023-03-09: US$246.03; sold recorded2023-03-31: US$498.97; no sale recorded2023-04-14: US$389.64; no sale recorded2023-04-21: US$276.36; sold recorded2023-04-28: US$458.53; no sale recorded2023-07-07: US$313.50; no sale recorded2023-07-09: US$356.00; sold recorded2023-07-13: US$426.00; sold recorded2023-07-27: US$348.80; no sale recorded2023-08-07: US$303.00; no sale recorded2023-08-25: US$466.80; no sale recorded2024-01-01: US$430.82; sold recorded2024-01-07: US$430.83; no sale recorded2024-01-27: US$354.71; sold recorded2024-02-19: US$351.37; no sale recorded2024-03-02: US$200.03; sold recorded2024-03-11: US$549.99; no sale recorded2024-03-20: US$154.31; no sale recorded2024-04-08: US$325.00; no sale recorded2024-04-09: US$520.99; no sale recorded2024-04-18: US$239.79; sold recorded2024-04-30: US$324.84; sold recorded2024-06-11: US$120.39; sold recorded2024-06-11: US$44.99; no sale recorded2024-07-30: US$329.10; no sale recorded2024-08-31: US$253.69; no sale recorded2024-09-16: US$261.89; no sale recorded2024-10-09: US$260.00; no sale recorded2024-10-09: US$179.99; no sale recorded2024-10-24: US$253.00; sold recorded2024-10-31: US$280.35; no sale recorded2024-11-07: US$260.00; sold recorded2024-11-13: US$426.70; no sale recorded2024-12-04: US$289.69; sold recorded2025-03-03: US$173.33; sold recorded2025-03-06: US$120.00; no sale recorded2025-05-05: US$182.00; no sale recorded2026-01-13: US$245.95; no sale recorded2026-04-03: US$347.00; 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.0.001000.002000.003000.004000.00Mar 2017Sep 2021Apr 20262017-03-20: US$150.00; sold recorded2017-04-02: US$25.00; no sale recorded2017-04-10: US$634.98; no sale recorded2017-04-14: US$223.00; no sale recorded2017-04-17: US$235.61; no sale recorded2017-04-23: US$310.00; no sale recorded2017-06-03: US$654.00; no sale recorded2017-06-11: US$656.00; no sale recorded2017-06-19: US$653.00; no sale recorded2017-10-17: US$801.26; no sale recorded2017-11-20: US$517.08; no sale recorded2018-01-08: US$632.00; no sale recorded2018-02-01: US$249.87; no sale recorded2018-05-02: US$516.31; no sale recorded2018-05-03: US$634.91; no sale recorded2018-05-16: US$653.00; no sale recorded2018-07-04: US$654.00; no sale recorded2018-09-03: US$559.00; sold recorded2018-12-27: US$50.00; no sale recorded2019-01-03: US$50.00; sold recorded2019-10-14: US$615.00; no sale recorded2019-11-09: US$350.00; no sale recorded2019-12-20: US$300.00; no sale recorded2020-02-12: US$175.00; no sale recorded2020-03-09: US$980.59; no sale recorded2020-03-10: US$149.67; no sale recorded2020-03-12: US$267.58; no sale recorded2020-04-22: US$160.00; sold recorded2020-06-17: US$590.77; no sale recorded2021-01-13: US$276.00; sold recorded2021-02-10: US$412.50; no sale recorded2021-02-12: US$2138.92; no sale recorded2021-03-09: US$225.60; no sale recorded2021-06-11: US$90.00; no sale recorded2022-03-14: US$370.00; no sale recorded2022-05-13: US$592.20; no sale recorded2022-06-18: US$246.03; no sale recorded2022-07-25: US$131.25; sold recorded2022-07-30: US$1137.00; no sale recorded2022-08-05: US$413.10; no sale recorded2022-08-17: US$221.43; no sale recorded2022-09-20: US$52.00; sold recorded2022-10-03: US$1000.00; no sale recorded2022-10-06: US$200.00; sold recorded2022-11-25: US$2139.00; no sale recorded2022-11-27: US$2139.00; no sale recorded2022-11-28: US$2139.00; no sale recorded2022-11-29: US$2139.00; no sale recorded2022-11-30: US$2139.00; no sale recorded2022-11-30: US$520.99; no sale recorded2022-12-01: US$2139.00; no sale recorded2022-12-03: US$2139.00; no sale recorded2022-12-03: US$2139.00; no sale recorded2022-12-04: US$2139.00; no sale recorded2022-12-05: US$2139.00; no sale recorded2022-12-21: US$287.50; no sale recorded2023-02-22: US$309.07; no sale recorded2023-02-27: US$249.99; sold recorded2023-03-09: US$246.03; sold recorded2023-03-31: US$498.97; no sale recorded2023-04-14: US$389.64; no sale recorded2023-04-21: US$276.36; sold recorded2023-04-28: US$458.53; no sale recorded2023-07-07: US$313.50; no sale recorded2023-07-09: US$356.00; sold recorded2023-07-13: US$426.00; sold recorded2023-07-27: US$348.80; no sale recorded2023-08-07: US$303.00; no sale recorded2023-08-25: US$466.80; no sale recorded2024-01-01: US$430.82; sold recorded2024-01-07: US$430.83; no sale recorded2024-01-27: US$354.71; sold recorded2024-02-19: US$351.37; no sale recorded2024-03-02: US$200.03; sold recorded2024-03-11: US$549.99; no sale recorded2024-03-20: US$154.31; no sale recorded2024-04-08: US$325.00; no sale recorded2024-04-09: US$520.99; no sale recorded2024-04-18: US$239.79; sold recorded2024-04-30: US$324.84; sold recorded2024-06-11: US$120.39; sold recorded2024-06-11: US$44.99; no sale recorded2024-07-30: US$329.10; no sale recorded2024-08-31: US$253.69; no sale recorded2024-09-16: US$261.89; no sale recorded2024-10-09: US$260.00; no sale recorded2024-10-09: US$179.99; no sale recorded2024-10-24: US$253.00; sold recorded2024-10-31: US$280.35; no sale recorded2024-11-07: US$260.00; sold recorded2024-11-13: US$426.70; no sale recorded2024-12-04: US$289.69; sold recorded2025-03-03: US$173.33; sold recorded2025-03-06: US$120.00; no sale recorded2025-05-05: US$182.00; no sale recorded2026-01-13: US$245.95; no sale recorded2026-04-03: US$347.00; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$347.00

97 plotted records from 97 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

113 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
03 Apr 2026SIEMENS 6ES5 951-7LB21 Power Supply eBay 227284775485New$347.000Recorded activeCN
13 Jan 2026Siemens Simatic S5 PS 3A 120/230VAC Power Supply 6ES5 951-7LB21eBay 376859513459Used$245.950Recorded activeUS
05 May 2025Siemens Simatic S5 6ES5 951-7LB21eBay 197286886451Used$182.000Recorded activePL
06 Mar 2025Siemens SIMATIC S5 6ES5 951-7LB21eBay 276924560800Used$120.000Recorded activeIL
03 Mar 2025SIEMENS 6ES5 951-7LB21 POWER SUPPLY_SIEMENS 6ES59517LB21eBay 256841728867Used$173.331Sold recordedJO
10 Feb 2025SIEMENS 6ES5 951-7LB21 -USED- SIMATIC S5 POWER SUPPLYeBay 205279995980Gebraucht180.74 [DE]1Sold recordedDE
04 Dec 20241PCS brand new Siemens 6ES5 951-7LB21 with box 6ES5951-7LB21 EXPRESS ZXeBay 196871909594New$289.691Sold recordedCN
13 Nov 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC Supply ModuleeBay 196807741084New$426.700Recorded activeCN
07 Nov 20246ES5 951-7LB21 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 395876255817New$260.001Sold recordedCN
31 Oct 2024Siemens 6ES5 951-7LB21 Power Supply New 6ES5951-7LB21 In Box Expedited ShippingeBay 305874249951New$280.350Recorded activeCN
24 Oct 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 315882554251New$253.001Sold recordedCN
21 Oct 2024Siemens Simatic S5 Power Supply 6ES5 951-7LB21 6ES5951-7LB21eBay 135313168800Used142.19 [Canada]0Recorded activeCA
09 Oct 2024SIEMENS 6ES5 951-7LB21 POWER SUPPLY USED FREE SHIPPING!!!!!!!!!!!!!!!!!eBay 276677685230Used$179.990Recorded activeUS
09 Oct 20246ES5 951-7LB21 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 395778223762New$260.000No sale recordedCN
16 Sep 2024New 6ES5 951-7LB21 SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 315759040543New$261.890No sale recordedCN
31 Aug 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply Module /eBay 166946331652New$253.690Recorded activeCN
30 Jul 2024Siemens 6ES5 951-7LB21 Power Supply 6ES5951-7LB21 New In Box Expedited ShippingeBay 176498221657New$329.100No sale recordedCN
11 Jun 2024Siemens Fp11 Fire Alarm FirePrint Smoke DetectoreBay 116213339212New$44.990No sale recordedUS
11 Jun 2024Siemens Simatic s5 6es5 951-7lb21 Power Supply Module 6es5951-7lb21eBay 176419572304Used$120.391Sold recordedIN
30 Apr 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 364868639992New$324.841Sold recordedCN
18 Apr 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 364849309965New$239.791Sold recordedCN
09 Apr 2024Siemens 6ES5 951-7LB21 Power Supply 6ES5951-7LB21 New In Box Expedited ShippingeBay 296352917536New$520.990No sale recordedCN
08 Apr 20246ES5 951-7LB21 NEW SIEMENS 6ES5951-7LB21 SIMATIC S5 Power Supply ModuleeBay 204732327274New$325.000Recorded activeCN
20 Mar 2024Siemens 6ES 951-7LB21 /#8 M1Q a6eceBay 176296116702Used$154.310No sale recordedPL
11 Mar 2024Siemens Simatic S5 6ES5 951-7LB21 Power Supply Without BatteryeBay 395261693743Used$549.990No sale recordedIN
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

951-7LB12951-7LB13951-7LB14951-7LD11951-7LD12951-7LD21

Related part numbers

6ES5951-7LB21941-7UB116ES5951-7LD21491-0LB11944-7UA216ES5951-7LB146ES5431-7LA116ES5951-7NB13331-SL11305-7LA11451-8MA116ES5-490-7LB1125-135-017-521

Search current eBay listings