PartHistory
Siemens / Miniature breakers and fuses

5SX21-C6

Miniature breakers and fuses family illustration
Recorded listings
104
Recorded quantity sold
12
Median recorded price
$16.9598 US-dollar records
Recorded price range
$3.00to $199.99 USD
First listing start: 22 Mar 2017Last listing start: 28 May 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.0.00100.00200.00300.00400.00Mar 2017Jun 2019Oct 2021Feb 2024May 20262017-03-22: US$4.49; no sale recorded2017-04-21: US$4.49; no sale recorded2017-05-21: US$4.49; no sale recorded2017-06-20: US$4.49; no sale recorded2017-07-20: US$4.49; no sale recorded2017-08-19: US$4.49; no sale recorded2017-09-18: US$4.49; no sale recorded2017-10-18: US$4.49; no sale recorded2017-10-24: US$7.99; no sale recorded2018-01-22: US$7.99; no sale recorded2018-02-15: US$4.49; no sale recorded2018-02-21: US$7.99; no sale recorded2018-03-17: US$4.49; no sale recorded2018-03-23: US$7.99; no sale recorded2018-04-16: US$4.49; no sale recorded2018-04-22: US$7.99; no sale recorded2018-05-14: US$50.00; no sale recorded2018-05-16: US$4.49; no sale recorded2018-05-22: US$7.99; no sale recorded2018-05-23: US$3.15; no sale recorded2018-06-21: US$7.99; no sale recorded2018-06-25: US$7.00; no sale recorded2018-09-19: US$7.99; no sale recorded2018-10-19: US$7.99; no sale recorded2019-01-17: US$7.99; no sale recorded2019-10-23: US$4.40; sold recorded2019-10-30: US$8.49; no sale recorded2020-01-20: US$20.00; sold recorded2020-01-22: US$3.00; no sale recorded2020-02-18: US$27.00; no sale recorded2020-05-29: US$5.50; no sale recorded2020-06-01: US$67.50; no sale recorded2020-10-07: US$67.50; no sale recorded2020-10-22: US$24.99; sold recorded2021-06-27: US$67.50; no sale recorded2022-01-10: US$8.00; sold recorded2022-01-27: US$15.00; sold recorded2022-04-05: US$67.50; no sale recorded2022-09-02: US$31.53; no sale recorded2022-09-19: US$9.95; no sale recorded2022-10-15: US$67.50; no sale recorded2023-05-01: US$8.96; no sale recorded2023-05-01: US$67.50; no sale recorded2023-05-11: US$18.99; no sale recorded2023-05-22: US$8.00; no sale recorded2023-06-03: US$67.50; no sale recorded2023-06-05: US$9.95; no sale recorded2023-08-02: US$19.99; no sale recorded2023-08-02: US$8.99; no sale recorded2023-08-09: US$18.99; no sale recorded2023-10-05: US$25.00; no sale recorded2024-01-01: US$67.50; no sale recorded2024-01-01: US$119.00; no sale recorded2024-02-05: US$15.19; no sale recorded2024-03-04: US$67.50; no sale recorded2024-04-01: US$50.00; no sale recorded2024-04-06: US$7.99; no sale recorded2024-06-04: US$67.50; no sale recorded2024-06-04: US$119.00; no sale recorded2024-06-04: US$199.99; sold recorded2024-06-23: US$6.99; no sale recorded2024-06-23: US$198.59; no sale recorded2024-08-02: US$5.00; no sale recorded2024-08-21: US$67.50; no sale recorded2024-08-21: US$119.00; no sale recorded2024-10-12: US$67.50; no sale recorded2024-10-12: US$119.00; no sale recorded2024-10-12: US$39.00; no sale recorded2024-10-12: US$29.00; no sale recorded2024-10-27: US$27.00; sold recorded2024-10-27: US$8.00; no sale recorded2024-10-27: US$113.00; no sale recorded2024-11-01: US$6.00; no sale recorded2024-11-08: US$7.00; no sale recorded2024-11-12: US$25.37; sold recorded2025-01-27: US$67.50; sold recorded2025-01-29: US$5.00; sold recorded2025-02-10: US$24.95; no sale recorded2025-03-10: US$18.70; no sale recorded2025-04-22: US$36.23; sold recorded2025-04-28: US$5.00; no sale recorded2025-05-06: US$30.00; no sale recorded2025-05-11: US$67.50; no sale recorded2025-06-20: US$35.23; no sale recorded2025-07-27: US$5.00; no sale recorded2025-08-11: US$15.00; no sale recorded2025-11-02: US$30.00; no sale recorded2025-11-04: US$67.50; no sale recorded2025-11-04: US$39.00; no sale recorded2025-12-20: US$7.99; no sale recorded2026-01-02: US$33.90; no sale recorded2026-01-15: US$33.90; no sale recorded2026-02-02: US$36.23; no sale recorded2026-02-02: US$10.00; no sale recorded2026-02-06: US$30.00; no sale recorded2026-04-28: US$19.99; no sale recorded2026-05-07: US$30.00; no sale recorded2026-05-28: US$11.05; 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.0.00100.00200.00300.00400.00Mar 2017Oct 2021May 20262017-03-22: US$4.49; no sale recorded2017-04-21: US$4.49; no sale recorded2017-05-21: US$4.49; no sale recorded2017-06-20: US$4.49; no sale recorded2017-07-20: US$4.49; no sale recorded2017-08-19: US$4.49; no sale recorded2017-09-18: US$4.49; no sale recorded2017-10-18: US$4.49; no sale recorded2017-10-24: US$7.99; no sale recorded2018-01-22: US$7.99; no sale recorded2018-02-15: US$4.49; no sale recorded2018-02-21: US$7.99; no sale recorded2018-03-17: US$4.49; no sale recorded2018-03-23: US$7.99; no sale recorded2018-04-16: US$4.49; no sale recorded2018-04-22: US$7.99; no sale recorded2018-05-14: US$50.00; no sale recorded2018-05-16: US$4.49; no sale recorded2018-05-22: US$7.99; no sale recorded2018-05-23: US$3.15; no sale recorded2018-06-21: US$7.99; no sale recorded2018-06-25: US$7.00; no sale recorded2018-09-19: US$7.99; no sale recorded2018-10-19: US$7.99; no sale recorded2019-01-17: US$7.99; no sale recorded2019-10-23: US$4.40; sold recorded2019-10-30: US$8.49; no sale recorded2020-01-20: US$20.00; sold recorded2020-01-22: US$3.00; no sale recorded2020-02-18: US$27.00; no sale recorded2020-05-29: US$5.50; no sale recorded2020-06-01: US$67.50; no sale recorded2020-10-07: US$67.50; no sale recorded2020-10-22: US$24.99; sold recorded2021-06-27: US$67.50; no sale recorded2022-01-10: US$8.00; sold recorded2022-01-27: US$15.00; sold recorded2022-04-05: US$67.50; no sale recorded2022-09-02: US$31.53; no sale recorded2022-09-19: US$9.95; no sale recorded2022-10-15: US$67.50; no sale recorded2023-05-01: US$8.96; no sale recorded2023-05-01: US$67.50; no sale recorded2023-05-11: US$18.99; no sale recorded2023-05-22: US$8.00; no sale recorded2023-06-03: US$67.50; no sale recorded2023-06-05: US$9.95; no sale recorded2023-08-02: US$19.99; no sale recorded2023-08-02: US$8.99; no sale recorded2023-08-09: US$18.99; no sale recorded2023-10-05: US$25.00; no sale recorded2024-01-01: US$67.50; no sale recorded2024-01-01: US$119.00; no sale recorded2024-02-05: US$15.19; no sale recorded2024-03-04: US$67.50; no sale recorded2024-04-01: US$50.00; no sale recorded2024-04-06: US$7.99; no sale recorded2024-06-04: US$67.50; no sale recorded2024-06-04: US$119.00; no sale recorded2024-06-04: US$199.99; sold recorded2024-06-23: US$6.99; no sale recorded2024-06-23: US$198.59; no sale recorded2024-08-02: US$5.00; no sale recorded2024-08-21: US$67.50; no sale recorded2024-08-21: US$119.00; no sale recorded2024-10-12: US$67.50; no sale recorded2024-10-12: US$119.00; no sale recorded2024-10-12: US$39.00; no sale recorded2024-10-12: US$29.00; no sale recorded2024-10-27: US$27.00; sold recorded2024-10-27: US$8.00; no sale recorded2024-10-27: US$113.00; no sale recorded2024-11-01: US$6.00; no sale recorded2024-11-08: US$7.00; no sale recorded2024-11-12: US$25.37; sold recorded2025-01-27: US$67.50; sold recorded2025-01-29: US$5.00; sold recorded2025-02-10: US$24.95; no sale recorded2025-03-10: US$18.70; no sale recorded2025-04-22: US$36.23; sold recorded2025-04-28: US$5.00; no sale recorded2025-05-06: US$30.00; no sale recorded2025-05-11: US$67.50; no sale recorded2025-06-20: US$35.23; no sale recorded2025-07-27: US$5.00; no sale recorded2025-08-11: US$15.00; no sale recorded2025-11-02: US$30.00; no sale recorded2025-11-04: US$67.50; no sale recorded2025-11-04: US$39.00; no sale recorded2025-12-20: US$7.99; no sale recorded2026-01-02: US$33.90; no sale recorded2026-01-15: US$33.90; no sale recorded2026-02-02: US$36.23; no sale recorded2026-02-02: US$10.00; no sale recorded2026-02-06: US$30.00; no sale recorded2026-04-28: US$19.99; no sale recorded2026-05-07: US$30.00; no sale recorded2026-05-28: US$11.05; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$16.95

98 plotted records from 98 US-dollar records in this range. Monthly medians use all records in each calendar month.

Archived listings

104 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
28 May 2026Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 800081538119Used$11.050Recorded activeDE
27 May 2026Siemens 5SX21-C6 circuit breaker 6A 230/400V power protection switcheBay 188432509619Gebraucht10.47 [DE]0Recorded activeDE
07 May 2026Siemens Circuit Breaker 5SX21-C6 6A 230/400V 1P *Lot of 3* UsedeBay 277965118513Used$30.000Recorded activeUS
28 Apr 2026Siemens 5SX21-C6 Miniature Circuit Breaker 277VAC LOT OF 2eBay 298269539511Used$19.990Recorded activeUS
06 Feb 2026Siemens Circuit Breaker 5SX21-C6 6A 230/400V 1P *Lot of 3* UsedeBay 277705723784Used$30.000Recorded activeUS
02 Feb 2026One (1) Siemens 5SX21-C6 Miniature Circuit Breaker 230/400 VAC, 6 AmpeBay 389570933184Used$10.000Recorded activeUS
02 Feb 2026Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 188018929608Used$36.230Recorded activeDE
15 Jan 2026Siemens 5SX21-C6 1-Pole Circuit Breaker, 230-400V 6Amp Lot of 4eBay 187955110834Used$33.900Recorded activeUS
07 Jan 2026Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 187925449299Gebraucht33.90 [DE]0Recorded activeDE
02 Jan 2026Siemens 5SX21-C6 1-Pole Circuit Breaker, 230-400V 6Amp Lot of 4eBay 187907604797Used$33.900Recorded activeUS
20 Dec 2025SIEMENS 5SX21-C6 CIRCUIT BREAKER 6A 230/400V 1 POLE C-CURVE (LOT OF 2)eBay 336353166391Used$7.990Recorded activeUS
04 Nov 2025LOT OF 4 SIEMENS 5SX21-C6 CIRCUIT BREAKER T54137eBay 286917705392Used$39.000Recorded activeUS
04 Nov 2025LOT OF 5 SIEMENS 5SX21-C6 CIRCUIT BREAKER T61333eBay 365963321267Used$67.500Recorded activeUS
02 Nov 2025Siemens Circuit Breaker 5SX21-C6 6A 230/400V 1P *Lot of 3* UsedeBay 277480045609Used$30.000Recorded activeUS
30 Aug 2025Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 388904359924Gebraucht33.89 [DE]0Recorded activeDE
11 Aug 2025SIEMENS 5SX21-C6 CIRCUIT BREAKER ($15 OBO)eBay 136302605017Used$15.000Recorded activeUS
27 Jul 2025SIEMENS 5SX21-C6 CIRCUIT BREAKEReBay 317120303071Used$5.000Recorded activeUS
20 Jun 2025Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 187352660772Used$35.230Recorded activeDE
20 Jun 2025Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 388610406219Gebraucht33.34 [DE]0Recorded activeDE
22 May 2025Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 388453272567Gebraucht32.86 [DE]0Recorded activeDE
11 May 2025LOT OF 5 SIEMENS 5SX21-C6 CIRCUIT BREAKER T61333eBay 356882414028Used$67.500Recorded activeUS
06 May 2025Siemens Circuit Breaker 5SX21-C6 6A 230/400V 1P *Lot of 3* UsedeBay 277091135553Used$30.000Recorded activeUS
28 Apr 2025SIEMENS 5SX21-C6 CIRCUIT BREAKEReBay 316730456779Used$5.000Recorded activeUS
22 Apr 2025Siemens 5SX21-C6 Circuit Breaker 6A 230/400V Power Protection SwitcheBay 388304994180Used$36.231Sold recordedDE
10 Mar 2025Siemens 5SX21-C6 Circuit Breaker 1-Pole, 6 Amp, 230/400 vac, Din Mount, NEWeBay 356652640760New$18.700Recorded 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

5SX21-C405SX21-C55SX21-C505SX21-C6/B65SX21-C635SX21-C7

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5SX21-C15SX2125-75SE2013-2A5SY6103-7CC5SY4106-65SY6210-75SY7210-75SX9100HS5SY4116-65SY4220-65SY5210-75SY6620-63SE2120-1D52SX2AABK1

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