PartHistory
Siemens / Miniature breakers and fuses

5SX21-C4

Miniature breakers and fuses family illustration
Recorded listings
102
Recorded quantity sold
11
Median recorded price
$5.9997 US-dollar records
Recorded price range
$3.00to $150.00 USD
First listing start: 22 Mar 2017Last listing start: 18 Jun 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.0.0050.00100.00150.00200.00Mar 2017Jun 2019Oct 2021Feb 2024Jun 20262017-03-22: US$5.99; no sale recorded2017-04-05: US$6.99; no sale recorded2017-04-21: US$5.99; no sale recorded2017-05-05: US$6.99; no sale recorded2017-05-21: US$5.99; no sale recorded2017-06-04: US$6.99; no sale recorded2017-06-20: US$5.99; no sale recorded2017-07-04: US$6.99; no sale recorded2017-07-20: US$5.99; no sale recorded2017-08-03: US$6.99; no sale recorded2017-08-19: US$5.99; no sale recorded2017-09-02: US$6.99; no sale recorded2017-09-18: US$5.99; no sale recorded2017-10-02: US$6.99; no sale recorded2017-10-18: US$5.99; no sale recorded2017-11-01: US$6.99; no sale recorded2017-11-10: US$5.00; no sale recorded2017-12-10: US$5.00; no sale recorded2018-01-01: US$6.99; no sale recorded2018-01-09: US$5.00; no sale recorded2018-01-16: US$5.99; no sale recorded2018-01-31: US$6.99; no sale recorded2018-02-08: US$20.00; no sale recorded2018-02-15: US$5.99; no sale recorded2018-03-02: US$6.99; no sale recorded2018-03-17: US$5.99; no sale recorded2018-04-16: US$150.00; no sale recorded2018-05-16: US$5.99; no sale recorded2018-05-24: US$3.15; no sale recorded2018-06-08: US$7.00; no sale recorded2018-06-30: US$6.99; no sale recorded2018-08-14: US$5.99; no sale recorded2018-08-29: US$6.99; no sale recorded2018-09-28: US$6.99; sold recorded2019-10-02: US$18.80; no sale recorded2020-01-22: US$3.00; no sale recorded2020-05-29: US$5.50; sold recorded2021-06-18: US$7.00; no sale recorded2022-07-22: US$4.40; no sale recorded2022-09-02: US$31.53; no sale recorded2022-09-19: US$9.95; no sale recorded2023-03-20: US$4.40; no sale recorded2023-05-01: US$13.18; sold recorded2023-05-01: US$7.46; no sale recorded2023-05-12: US$12.99; no sale recorded2023-06-05: US$9.95; no sale recorded2023-06-15: US$45.99; no sale recorded2023-06-18: US$5.50; no sale recorded2023-06-18: US$5.50; no sale recorded2023-06-21: US$5.50; no sale recorded2023-07-20: US$5.50; no sale recorded2023-07-21: US$8.75; no sale recorded2023-08-29: US$5.50; no sale recorded2023-09-27: US$5.50; no sale recorded2023-10-11: US$5.59; no sale recorded2023-10-17: US$5.50; no sale recorded2024-01-09: US$6.99; no sale recorded2024-01-10: US$4.00; no sale recorded2024-01-13: US$5.50; no sale recorded2024-02-12: US$5.50; no sale recorded2024-03-12: US$5.50; no sale recorded2024-04-07: US$5.59; no sale recorded2024-05-10: US$5.50; no sale recorded2024-06-09: US$5.50; no sale recorded2024-06-09: US$20.00; no sale recorded2024-07-06: US$6.99; no sale recorded2024-07-08: US$5.50; no sale recorded2024-08-07: US$5.50; no sale recorded2024-10-04: US$3.75; sold recorded2024-10-05: US$5.50; no sale recorded2024-11-12: US$25.37; sold recorded2025-01-01: US$5.50; sold recorded2025-01-02: US$5.00; sold recorded2025-01-31: US$5.50; sold recorded2025-03-01: US$5.50; sold recorded2025-03-10: US$18.70; no sale recorded2025-03-31: US$5.50; sold recorded2025-04-01: US$5.00; no sale recorded2025-04-07: US$13.18; no sale recorded2025-04-22: US$36.23; no sale recorded2025-04-29: US$5.50; no sale recorded2025-05-21: US$34.39; no sale recorded2025-05-29: US$5.50; no sale recorded2025-06-20: US$35.23; no sale recorded2025-06-24: US$9.99; no sale recorded2025-06-27: US$5.50; no sale recorded2025-06-30: US$5.00; no sale recorded2025-07-27: US$5.50; no sale recorded2025-08-11: US$13.00; no sale recorded2025-08-25: US$5.50; no sale recorded2025-10-23: US$5.50; no sale recorded2025-11-22: US$5.50; no sale recorded2025-12-21: US$5.50; no sale recorded2026-04-18: US$52.00; no sale recorded2026-05-19: US$52.00; no sale recorded2026-05-20: US$11.60; no sale recorded2026-06-18: US$52.00; 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.0.0050.00100.00150.00200.00Mar 2017Oct 2021Jun 20262017-03-22: US$5.99; no sale recorded2017-04-05: US$6.99; no sale recorded2017-04-21: US$5.99; no sale recorded2017-05-05: US$6.99; no sale recorded2017-05-21: US$5.99; no sale recorded2017-06-04: US$6.99; no sale recorded2017-06-20: US$5.99; no sale recorded2017-07-04: US$6.99; no sale recorded2017-07-20: US$5.99; no sale recorded2017-08-03: US$6.99; no sale recorded2017-08-19: US$5.99; no sale recorded2017-09-02: US$6.99; no sale recorded2017-09-18: US$5.99; no sale recorded2017-10-02: US$6.99; no sale recorded2017-10-18: US$5.99; no sale recorded2017-11-01: US$6.99; no sale recorded2017-11-10: US$5.00; no sale recorded2017-12-10: US$5.00; no sale recorded2018-01-01: US$6.99; no sale recorded2018-01-09: US$5.00; no sale recorded2018-01-16: US$5.99; no sale recorded2018-01-31: US$6.99; no sale recorded2018-02-08: US$20.00; no sale recorded2018-02-15: US$5.99; no sale recorded2018-03-02: US$6.99; no sale recorded2018-03-17: US$5.99; no sale recorded2018-04-16: US$150.00; no sale recorded2018-05-16: US$5.99; no sale recorded2018-05-24: US$3.15; no sale recorded2018-06-08: US$7.00; no sale recorded2018-06-30: US$6.99; no sale recorded2018-08-14: US$5.99; no sale recorded2018-08-29: US$6.99; no sale recorded2018-09-28: US$6.99; sold recorded2019-10-02: US$18.80; no sale recorded2020-01-22: US$3.00; no sale recorded2020-05-29: US$5.50; sold recorded2021-06-18: US$7.00; no sale recorded2022-07-22: US$4.40; no sale recorded2022-09-02: US$31.53; no sale recorded2022-09-19: US$9.95; no sale recorded2023-03-20: US$4.40; no sale recorded2023-05-01: US$13.18; sold recorded2023-05-01: US$7.46; no sale recorded2023-05-12: US$12.99; no sale recorded2023-06-05: US$9.95; no sale recorded2023-06-15: US$45.99; no sale recorded2023-06-18: US$5.50; no sale recorded2023-06-18: US$5.50; no sale recorded2023-06-21: US$5.50; no sale recorded2023-07-20: US$5.50; no sale recorded2023-07-21: US$8.75; no sale recorded2023-08-29: US$5.50; no sale recorded2023-09-27: US$5.50; no sale recorded2023-10-11: US$5.59; no sale recorded2023-10-17: US$5.50; no sale recorded2024-01-09: US$6.99; no sale recorded2024-01-10: US$4.00; no sale recorded2024-01-13: US$5.50; no sale recorded2024-02-12: US$5.50; no sale recorded2024-03-12: US$5.50; no sale recorded2024-04-07: US$5.59; no sale recorded2024-05-10: US$5.50; no sale recorded2024-06-09: US$5.50; no sale recorded2024-06-09: US$20.00; no sale recorded2024-07-06: US$6.99; no sale recorded2024-07-08: US$5.50; no sale recorded2024-08-07: US$5.50; no sale recorded2024-10-04: US$3.75; sold recorded2024-10-05: US$5.50; no sale recorded2024-11-12: US$25.37; sold recorded2025-01-01: US$5.50; sold recorded2025-01-02: US$5.00; sold recorded2025-01-31: US$5.50; sold recorded2025-03-01: US$5.50; sold recorded2025-03-10: US$18.70; no sale recorded2025-03-31: US$5.50; sold recorded2025-04-01: US$5.00; no sale recorded2025-04-07: US$13.18; no sale recorded2025-04-22: US$36.23; no sale recorded2025-04-29: US$5.50; no sale recorded2025-05-21: US$34.39; no sale recorded2025-05-29: US$5.50; no sale recorded2025-06-20: US$35.23; no sale recorded2025-06-24: US$9.99; no sale recorded2025-06-27: US$5.50; no sale recorded2025-06-30: US$5.00; no sale recorded2025-07-27: US$5.50; no sale recorded2025-08-11: US$13.00; no sale recorded2025-08-25: US$5.50; no sale recorded2025-10-23: US$5.50; no sale recorded2025-11-22: US$5.50; no sale recorded2025-12-21: US$5.50; no sale recorded2026-04-18: US$52.00; no sale recorded2026-05-19: US$52.00; no sale recorded2026-05-20: US$11.60; no sale recorded2026-06-18: US$52.00; no sale recorded
Sold recordedNo sale recordedMonthly median

Linear price scale. Dates are listing starts.

Median recorded price, all years$5.99

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

Archived listings

102 recorded listings
Listing startArchived listingConditionRecorded priceQty soldArchive statusCountry
18 Jun 2026SIEMENS 5SX21-C4 BREAKER 1POLE 4AMP NSNPeBay 158008594611New - Open box$52.000Recorded activeUS
28 May 2026Siemens 5SX21-C4 Circuit Breaker 230/400V Circuit BreakereBay 800081919574Gebraucht10.47 [DE]0Recorded activeDE
20 May 2026Siemens 5SX21-C4 1-Pole Circuit Breaker 230/400V 4AmpeBay 188403745000Used$11.600Recorded activeUS
19 May 2026SIEMENS 5SX21-C4 BREAKER 1POLE 4AMP NSNPeBay 366418264668New - Open box$52.000Recorded activeUS
18 Apr 2026SIEMENS 5SX21-C4 BREAKER 1POLE 4AMP NSNPeBay 178059300863New - Open box$52.000Recorded activeUS
06 Jan 2026Siemens 5SX21-C4 Circuit Breaker 230/400V Circuit BreakereBay 187920853475Gebraucht33.99 [DE]0Recorded activeDE
21 Dec 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 257270502370Used$5.500Recorded activeCA
22 Nov 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 286961008693Used$5.500Recorded activeCA
23 Oct 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 257171842157Used$5.500Recorded activeCA
15 Oct 2025Siemens 5SX21-C4 Circuit Breaker 230/400V Circuit BreakereBay 389099361420Gebraucht33.66 [DE]0Recorded activeDE
25 Aug 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 257080955844Used$5.500Recorded activeCA
11 Aug 2025SIEMENS 5SX21-C4 CIRCUIT BREAKER ($13 OBO)eBay 136302587385Used$13.000Recorded activeUS
27 Jul 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 267344181537Used$5.500Recorded activeCA
30 Jun 2025SIEMENS 5SX21-C4 (5SX2104-7) CIRCUIT BREAKEReBay 177232682986Used$5.000Recorded activeUS
27 Jun 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 286677487778Used$5.500Recorded activeCA
24 Jun 2025Siemens 5SX21-C4 1-Pole 4 Amp Din Rail Mount Circuit Breaker 230/460VeBay 388628627386Used$9.990Recorded activeUS
20 Jun 2025Siemens 5SX21-C4 Circuit Breaker 230/400V Protection SwitcheBay 388612228901Used$35.230Recorded activeDE
29 May 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 267267756244Used$5.500Recorded activeUS
21 May 2025Siemens 5SX21-C4 Circuit Breaker 230/400V Protection SwitcheBay 187242083407Used$34.390Recorded activeDE
29 Apr 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 256911678925Used$5.500Recorded activeUS
22 Apr 2025Siemens 5SX21-C4 Circuit Breaker 230/400V Protection SwitcheBay 388304993707Used$36.230Recorded activeDE
07 Apr 2025 Siemens 5SX21-C4 Circuit Breaker 277-400V 4Amp eBay 187121899921Used$13.180Recorded activeUS
01 Apr 2025SIEMENS 5SX21-C4 (5SX2104-7) CIRCUIT BREAKEReBay 316586059308Used$5.000Recorded activeUS
31 Mar 20255SX21-C4 5SX21C4 Siemens Ite Siemens Miniature Circuit Breaker 277V AceBay 286450762883Used$5.501Sold recordedUS
10 Mar 2025Siemens 5SX21-C4 Circuit Breaker 1-Pole, 4 Amp, 230/400 vac, Din Mount, NEWeBay 356652632554New$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-C35SX21-C305SX21-C325SX21-C405SX21-C55SX21-C50

Related part numbers

5SX21-C65SE2013-2A3SK1121-1CB425SY6103-7CC6SE3213-6CA405SJ4211-7HG426SE3212-8CA405SY6210-75SY7210-75SX9100HS5SY5210-73SE2120-1D52SX2AABK115994-21-4

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