PartHistory
Siemens / Drives and inverters

6SE7021-3TB51

Drives and inverters family illustration
Recorded listings
107
Recorded quantity sold
2
Median recorded price
$2698.93103 US-dollar records
Recorded price range
$1.00to $4706.35 USD
First listing start: 11 Aug 2020Last listing start: 07 Oct 2026

Recorded price history

USD
Recorded US-dollar price historyLogarithmic price scale (price + 1). 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.01101001000Aug 2020Feb 2022Sep 2023Mar 2025Oct 20262020-08-11: US$2500.00; no sale recorded2021-01-22: US$3790.00; no sale recorded2022-01-10: US$875.00; sold recorded2022-08-08: US$4499.85; no sale recorded2023-06-16: US$600.00; no sale recorded2023-10-17: US$1.00; no sale recorded2023-10-23: US$4388.00; no sale recorded2024-06-04: US$3319.09; no sale recorded2024-06-26: US$3820.00; no sale recorded2024-07-18: US$4388.00; no sale recorded2024-07-18: US$567.00; no sale recorded2024-07-21: US$3689.65; no sale recorded2024-09-08: US$3150.00; no sale recorded2024-11-08: US$3295.18; no sale recorded2024-12-09: US$2020.01; no sale recorded2025-01-14: US$3318.18; no sale recorded2025-02-13: US$4706.35; no sale recorded2025-02-25: US$2020.09; no sale recorded2025-02-26: US$480.00; no sale recorded2025-03-18: US$2784.90; no sale recorded2025-03-19: US$2780.00; no sale recorded2025-03-25: US$3378.28; no sale recorded2025-03-26: US$2784.88; no sale recorded2025-04-11: US$3360.00; no sale recorded2025-05-12: US$4135.00; no sale recorded2025-05-13: US$3446.38; no sale recorded2025-05-30: US$2698.98; no sale recorded2025-05-30: US$2698.97; no sale recorded2025-05-30: US$2698.83; no sale recorded2025-05-30: US$2698.95; no sale recorded2025-05-30: US$2698.94; no sale recorded2025-06-06: US$2698.58; no sale recorded2025-07-02: US$3292.57; no sale recorded2025-07-25: US$3046.99; no sale recorded2025-08-09: US$3330.40; no sale recorded2025-08-27: US$3238.80; no sale recorded2025-08-28: US$2699.00; no sale recorded2025-09-26: US$2699.00; no sale recorded2025-09-27: US$2698.91; no sale recorded2025-09-27: US$2698.97; no sale recorded2025-09-27: US$2698.95; no sale recorded2025-09-27: US$2698.98; no sale recorded2025-09-27: US$2698.82; no sale recorded2025-09-27: US$2698.93; no sale recorded2025-09-27: US$2698.94; no sale recorded2025-09-27: US$2698.95; no sale recorded2025-09-27: US$2698.97; no sale recorded2025-09-27: US$2698.99; no sale recorded2025-09-27: US$2698.96; no sale recorded2025-09-27: US$2698.93; no sale recorded2025-09-27: US$2698.96; no sale recorded2025-09-28: US$2698.86; no sale recorded2025-09-29: US$2699.01; no sale recorded2025-10-09: US$1990.34; no sale recorded2025-10-09: US$1991.94; no sale recorded2025-10-09: US$1997.06; no sale recorded2025-10-10: US$2833.95; no sale recorded2025-10-10: US$1991.57; no sale recorded2025-10-10: US$1996.85; no sale recorded2025-10-10: US$1994.77; no sale recorded2025-10-10: US$1991.73; no sale recorded2025-10-11: US$1989.58; no sale recorded2025-10-15: US$1990.12; no sale recorded2025-10-23: US$1990.15; no sale recorded2025-10-23: US$1992.52; no sale recorded2025-10-23: US$1994.12; no sale recorded2025-10-29: US$2391.02; no sale recorded2025-10-30: US$2454.48; no sale recorded2025-10-31: US$2511.58; no sale recorded2025-10-31: US$1991.34; no sale recorded2025-11-01: US$3074.68; no sale recorded2025-11-06: US$1990.38; no sale recorded2025-12-04: US$2968.89; no sale recorded2025-12-22: US$2595.01; no sale recorded2026-01-26: US$2200.00; no sale recorded2026-01-27: US$2200.01; no sale recorded2026-01-27: US$2200.09; no sale recorded2026-01-27: US$2200.08; no sale recorded2026-01-27: US$2200.04; no sale recorded2026-01-28: US$2200.14; no sale recorded2026-03-03: US$2660.07; no sale recorded2026-03-25: US$3341.88; no sale recorded2026-03-26: US$3341.88; no sale recorded2026-04-03: US$2200.14; no sale recorded2026-04-13: US$2560.00; no sale recorded2026-04-14: US$2740.79; no sale recorded2026-05-15: US$2670.87; no sale recorded2026-05-17: US$2781.70; no sale recorded2026-05-20: US$2391.98; no sale recorded2026-05-25: US$2099.97; no sale recorded2026-05-26: US$2099.79; no sale recorded2026-05-26: US$2099.95; no sale recorded2026-05-26: US$2099.92; no sale recorded2026-05-28: US$2099.98; no sale recorded2026-06-03: US$2099.74; no sale recorded2026-06-03: US$2099.77; no sale recorded2026-06-18: US$3624.69; no sale recorded2026-06-22: US$2784.01; no sale recorded2026-07-02: US$2725.99; no sale recorded2026-07-13: US$3789.45; no sale recorded2026-07-14: US$2711.00; no sale recorded2026-09-24: US$1991.35; no sale recorded2026-10-07: US$1990.35; no sale recordedRecorded US-dollar price historyLogarithmic price scale (price + 1). 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.01101001000Aug 2020Sep 2023Oct 20262020-08-11: US$2500.00; no sale recorded2021-01-22: US$3790.00; no sale recorded2022-01-10: US$875.00; sold recorded2022-08-08: US$4499.85; no sale recorded2023-06-16: US$600.00; no sale recorded2023-10-17: US$1.00; no sale recorded2023-10-23: US$4388.00; no sale recorded2024-06-04: US$3319.09; no sale recorded2024-06-26: US$3820.00; no sale recorded2024-07-18: US$4388.00; no sale recorded2024-07-18: US$567.00; no sale recorded2024-07-21: US$3689.65; no sale recorded2024-09-08: US$3150.00; no sale recorded2024-11-08: US$3295.18; no sale recorded2024-12-09: US$2020.01; no sale recorded2025-01-14: US$3318.18; no sale recorded2025-02-13: US$4706.35; no sale recorded2025-02-25: US$2020.09; no sale recorded2025-02-26: US$480.00; no sale recorded2025-03-18: US$2784.90; no sale recorded2025-03-19: US$2780.00; no sale recorded2025-03-25: US$3378.28; no sale recorded2025-03-26: US$2784.88; no sale recorded2025-04-11: US$3360.00; no sale recorded2025-05-12: US$4135.00; no sale recorded2025-05-13: US$3446.38; no sale recorded2025-05-30: US$2698.98; no sale recorded2025-05-30: US$2698.97; no sale recorded2025-05-30: US$2698.83; no sale recorded2025-05-30: US$2698.95; no sale recorded2025-05-30: US$2698.94; no sale recorded2025-06-06: US$2698.58; no sale recorded2025-07-02: US$3292.57; no sale recorded2025-07-25: US$3046.99; no sale recorded2025-08-09: US$3330.40; no sale recorded2025-08-27: US$3238.80; no sale recorded2025-08-28: US$2699.00; no sale recorded2025-09-26: US$2699.00; no sale recorded2025-09-27: US$2698.91; no sale recorded2025-09-27: US$2698.97; no sale recorded2025-09-27: US$2698.95; no sale recorded2025-09-27: US$2698.98; no sale recorded2025-09-27: US$2698.82; no sale recorded2025-09-27: US$2698.93; no sale recorded2025-09-27: US$2698.94; no sale recorded2025-09-27: US$2698.95; no sale recorded2025-09-27: US$2698.97; no sale recorded2025-09-27: US$2698.99; no sale recorded2025-09-27: US$2698.96; no sale recorded2025-09-27: US$2698.93; no sale recorded2025-09-27: US$2698.96; no sale recorded2025-09-28: US$2698.86; no sale recorded2025-09-29: US$2699.01; no sale recorded2025-10-09: US$1990.34; no sale recorded2025-10-09: US$1991.94; no sale recorded2025-10-09: US$1997.06; no sale recorded2025-10-10: US$2833.95; no sale recorded2025-10-10: US$1991.57; no sale recorded2025-10-10: US$1996.85; no sale recorded2025-10-10: US$1994.77; no sale recorded2025-10-10: US$1991.73; no sale recorded2025-10-11: US$1989.58; no sale recorded2025-10-15: US$1990.12; no sale recorded2025-10-23: US$1990.15; no sale recorded2025-10-23: US$1992.52; no sale recorded2025-10-23: US$1994.12; no sale recorded2025-10-29: US$2391.02; no sale recorded2025-10-30: US$2454.48; no sale recorded2025-10-31: US$2511.58; no sale recorded2025-10-31: US$1991.34; no sale recorded2025-11-01: US$3074.68; no sale recorded2025-11-06: US$1990.38; no sale recorded2025-12-04: US$2968.89; no sale recorded2025-12-22: US$2595.01; no sale recorded2026-01-26: US$2200.00; no sale recorded2026-01-27: US$2200.01; no sale recorded2026-01-27: US$2200.09; no sale recorded2026-01-27: US$2200.08; no sale recorded2026-01-27: US$2200.04; no sale recorded2026-01-28: US$2200.14; no sale recorded2026-03-03: US$2660.07; no sale recorded2026-03-25: US$3341.88; no sale recorded2026-03-26: US$3341.88; no sale recorded2026-04-03: US$2200.14; no sale recorded2026-04-13: US$2560.00; no sale recorded2026-04-14: US$2740.79; no sale recorded2026-05-15: US$2670.87; no sale recorded2026-05-17: US$2781.70; no sale recorded2026-05-20: US$2391.98; no sale recorded2026-05-25: US$2099.97; no sale recorded2026-05-26: US$2099.79; no sale recorded2026-05-26: US$2099.95; no sale recorded2026-05-26: US$2099.92; no sale recorded2026-05-28: US$2099.98; no sale recorded2026-06-03: US$2099.74; no sale recorded2026-06-03: US$2099.77; no sale recorded2026-06-18: US$3624.69; no sale recorded2026-06-22: US$2784.01; no sale recorded2026-07-02: US$2725.99; no sale recorded2026-07-13: US$3789.45; no sale recorded2026-07-14: US$2711.00; no sale recorded2026-09-24: US$1991.35; no sale recorded2026-10-07: US$1990.35; no sale recorded
Sold recordedNo sale recordedMonthly median

Logarithmic price scale (price + 1). Dates are listing starts.

Median recorded price, all years$2698.93

103 plotted records from 103 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

107 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
07 Oct 2026Used SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 800768281074Used$1990.350Recorded activeCN
24 Sep 2026SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 318912333865Used$1991.350Recorded activeCN
14 Jul 20261PCS SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 206414460674New$2711.000Recorded activeCN
13 Jul 20261 pc New Siemens INVERTER 6SE7021-3TB51 UPS or FedExeBay 358791599670New$3789.450Recorded activeUS
02 Jul 20261PCS SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 287432895472New$2725.990Recorded activeCN
22 Jun 2026SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 358708975749Gebraucht1988.41 [DE]0Recorded activeCN
22 Jun 20261PC NEW IN BOX Siemens 6SE7021-3TB51 Fast Delivery And Best Offer！eBay 127935605994New$2784.010Recorded activeCN
18 Jun 20261 pc New Siemens INVERTER 6SE7021-3TB51 UPS or FedExeBay 158009565189New$3624.690Recorded activeUS
03 Jun 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 318404205969New$2099.770Recorded activeCN
03 Jun 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 800116813737New$2099.740Recorded activeCN
28 May 2026ONE SIEMENS 6SE7021-3TB51 frequency convertereBay 117218976647New$2099.980Recorded activeCN
26 May 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 318362216720New$2099.920Recorded activeCN
26 May 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 178166089395New$2099.950Recorded activeCN
26 May 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 397990638686New$2099.790Recorded activeCN
25 May 2026ONE SIEMENS 6SE7021-3TB51 frequency convertereBay 377209204484New$2099.970Recorded activeCN
20 May 20261PCS SIEMENS 6SE7021-3TB51-Z 6SE7021-3TB51 frequency convertereBay 157925063817Used$2391.980Recorded activeUS
17 May 20261PC NEW SIEMENS 6SE7021-3TB51 VFD/Drive Fast ShippingeBay 227347068298New$2781.700Recorded activeCN
15 May 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 358558343571New$2670.870Recorded activeUS
14 Apr 20261pc Brand New Sealed Siemens 6SE7021-3TB51 Free ShippingeBay 206210330727New$2740.790Recorded activeCN
13 Apr 2026Brand New Sealed Siemens 6SE7021-3TB51 US Urgent Ship Good QualityeBay 389882738392New$2560.000Recorded activeUS
03 Apr 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 287251573382New$2200.140Recorded activeCN
26 Mar 20266SE7021-3TB51 NEW SIEMENS SIMOVERT MASTERDRIVE VECTOR CONTROL 6SE70213TB51eBay 358375317466New$3341.880Recorded activeUS
25 Mar 20266SE7021-3TB51 NEW SIEMENS SIMOVERT MASTERDRIVE VECTOR CONTROL 6SE70213TB51eBay 377061936260New$3341.880Recorded activeUS
10 Mar 20266SE7021-3TB51 1PCS NEW SIEMENS SIMOVERT MASTERDRIVE VECTOR CONTROL 6SE7021-3TB51eBay 127730794200Neu3138.52 [DE]0Recorded activeCN
03 Mar 20261PCS NEW SIEMENS 6SE7021-3TB51 frequency convertereBay 389694525206New$2660.070Recorded 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

6SE7021-3TB306SE7021-3TB30-Z6SE7021-3TB316SE7021-3TB51-Z6SE7021-3TB616SE7021-3TB61-Z

Related part numbers

6SE7021-8TB51-Z6SE7021-0TP50-Z6SE7022-6TP50-Z6SE7026-0TD61-Z6SE7022-6TP50-Z/6SE7016-1EA616SE7037-0TJ606SE7011-5EP60-Z6SE7031-5WG60-Z6SE3215-2BB406ES5921-3WB156ES5921-3WB146FX1121-3BA016SE6440-2UD31-5DA16SE7032-3EP85-0AA0

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