Circuit Breaker

  • Sale! Sale!
    2026_06_12_425668
    (USED) Challenger BL120 1-Pole 20-Amp 120V Circuit Breaker
    Original price was: $3.99.Current price is: $1.19. Add to cart
  • Sale! Sale!
    2026_06_12_443255
    (USED) Connecticut Electric UBIZ-20 1-Pole 20-Amp Zinsco Q20 Replacement Circuit Breaker
    Original price was: $25.00.Current price is: $7.50. Add to cart
  • Sale! Sale!
    2026_06_12_425892
    (USED) Eaton-Cutler Hammer-Westinghouse EHB1020 Circuit Breaker
    Original price was: $50.00.Current price is: $15.00. Add to cart
  • Sale! Sale!
    2026_06_12_426466
    (USED) Eaton-Cutler Hammer-Westinghouse QC3015 3 Pole 15A Breaker
    Original price was: $44.00.Current price is: $13.20. Add to cart
  • Sale! Sale!
    2026_06_12_425885
    (USED) Eaton/Cutler-Hammer FD1020 1 Pole Circuit Breaker
    Original price was: $39.00.Current price is: $11.70. Add to cart
  • Sale! Sale!
    2026_06_12_430618
    (USED) Federal Pacific NA15 1-Pole 15-Amp Circuit Breaker
    Original price was: $19.00.Current price is: $5.70. Add to cart
  • Sale! Sale!
    2026_06_12_433390
    (USED) Federal Pacific NA1P15 1 Pole 15=Amp FPE Stab-lok Circuit Breaker – Brown
    Original price was: $15.00.Current price is: $4.50. Add to cart
  • Sale! Sale!
    2026_06_12_430611
    (USED) Federal Pacific NA30 1-Pole 30-Amp Circuit Breaker
    Original price was: $19.00.Current price is: $5.70. Add to cart
  • Sale! Sale!
    2026_06_12_427664
    (USED) Federal Pacific NC015 1-Pole 15 AMP Thin Molded Case Circuit Breaker
    Original price was: $11.99.Current price is: $3.59. Add to cart
  • Sale! Sale!
    2026_06_12_430549
    (USED) Federal Pacific NC050 1-Pole 50-Amp Circuit Breaker
    Original price was: $19.50.Current price is: $5.85. Add to cart
  • Sale! Sale!
    2026_06_12_430639
    (USED) Federal Pacific NC120 1-Pole Thin 20-Amp Circuit Breaker
    Original price was: $39.00.Current price is: $11.70. Add to cart
  • Sale! Sale!
    2026_06_12_484412
    (USED) GE THQB32100 3-Pole Bolt-On Circuit Breaker
    Original price was: $24.99.Current price is: $7.49. Add to cart
  • Sale! Sale!
    2026_06_12_426023
    (USED) General Electric TE111020 20-Amp 125V 1-Pole Circuit Breaker
    Original price was: $18.00.Current price is: $5.40. Add to cart
  • Sale! Sale!
    2026_06_12_484356
    (USED) General Electric TED113020 1-Pole Circuit Breaker
    Original price was: $14.99.Current price is: $4.49. Add to cart
  • Sale! Sale!
    2026_06_12_425872
    (USED) General Electric TF136070 3 Pole Circuit Breaker
    Original price was: $79.00.Current price is: $23.70. Add to cart
  • Sale! Sale!
    2026_06_12_423085
    (USED) Murray QJ23B200 200-Amp 3-Pole Molded Case Circuit Breaker
    Original price was: $997.49.Current price is: $199.49. Add to cart
  • Sale! Sale!
    2026_06_12_428393
    (USED) Siemens 3UA5200-1D Overload Protection Relay
    Original price was: $17.28.Current price is: $5.18. Add to cart
  • Sale! Sale!
    2026_06_12_433380
    (USED) Siemens BQ1B020 20-Amp 1-Pole Circuit Breaker
    Original price was: $13.29.Current price is: $3.98. Add to cart
  • Sale! Sale!
    2026_06_12_425621
    (USED) Siemens P130 1-Pole 30-Amp Pushmatic Circuit Breaker
    Original price was: $26.59.Current price is: $7.97. Add to cart
  • Sale! Sale!
    2026_06_12_428377
    (USED) Square D EHB125SL Sub Feed Lug Module
    Original price was: $49.95.Current price is: $14.98. Add to cart
  • Sale! Sale!
    2026_06_12_428374
    (USED) Square D QO130 1-Pole 30-Amp Circuit Breaker, Old Style
    Original price was: $9.95.Current price is: $2.98. Add to cart
  • Sale! Sale!
    2026_06_12_427445
    (USED) Square D QO315 3-Pole 15-Amp Circuit Breaker
    Original price was: $85.00.Current price is: $25.50. Add to cart
  • Sale! Sale!
    2026_06_12_425825
    (USED) Westinghouse Electric 1222032 600V 15-Amp 3-Pole Circuit Breaker Switch
    Original price was: $35.00.Current price is: $10.50. Add to cart
  • Sale! Sale!
    2026_06_12_426382
    (USED) Zinsco 15-Amp 3-Pole Circuit Breaker, 15-Amp 3-Pole 240V Type HQB24
    Original price was: $60.00.Current price is: $18.00. Add to cart
  • Sale! Sale!
    2026_06_12_427760
    (USED) Zinsco Q-15 1-Pole 15-Amp Blue-Tip Circuit Breaker
    Original price was: $12.00.Current price is: $3.60. Add to cart
  • Sale! Sale!
    2026_06_12_433412
    (USED) Zinsco Q-15 1-Pole 15-Amp Circuit Breaker, Type T, White Tip
    Original price was: $12.00.Current price is: $3.60. Add to cart
  • Sale! Sale!
    2026_06_12_433420
    Bryant BR215 2-Pole 15-Amp Circuit Breaker- Blue Switch, Used
    Original price was: $10.95.Current price is: $3.28. Add to cart
  • Sale! Sale!
    2026_06_12_423329
    Challenger C130 1-Pole 30-Amp 120V Circuit Breaker
    Original price was: $25.00.Current price is: $7.50. Add to cart
  • Sale! Sale!
    2026_06_12_423338
    Challenger C215 2-Pole 15-Amp 120V Circuit Breaker
    Original price was: $95.00.Current price is: $28.50. Add to cart
  • Sale! Sale!
    2026_06_12_424983
    Challenger/Zinsco QF200-2 200-Amp 2-Pole Circuit Breaker
    Original price was: $849.99.Current price is: $169.99. Add to cart
  • Sale! Sale!
    2026_06_12_430674
    Connecticut Electric UBIF20N 1-Pole 20-Amp Circuit Breaker – Federal Pacific NA120 Replacement
    Original price was: $38.50.Current price is: $11.55. Add to cart
  • Sale! Sale!
    2026_06_12_426456
    Cutler Hammer BA115 Circuit Breaker 1P 15A 120/240VAC
    Original price was: $10.99.Current price is: $3.29. Add to cart
  • Sale! Sale!
    2026_06_12_430726
    Eaton BQ230240 4-Pole (2) 30-Amp (2) 40-Amp Plug-On Mount Type BQC Quadplex Circuit Breaker
    Original price was: $79.00.Current price is: $23.70. Add to cart
  • Sale! Sale!
    2026_06_12_423630
    Eaton BR2020 2-Pole 20-Amp BR Plug-On Circuit Breaker
    Original price was: $35.00.Current price is: $10.50. Add to cart
  • Sale! Sale!
    2026_06_12_423669
    Eaton BR2100 2-Pole 100-Amp BR Plug-On Circuit Breaker
    Original price was: $70.00.Current price is: $21.00. Add to cart
  • Sale! Sale!
    2026_06_12_430300
    Eaton BR220 2-Pole 20-Amp BR Plug-On Circuit Breaker
    Original price was: $18.00.Current price is: $5.40. Add to cart
  • Sale! Sale!
    2026_06_12_423637
    Eaton BR230 2-Pole 30-Amp BR Plug-On Circuit Breaker
    Original price was: $18.00.Current price is: $5.40. Add to cart
  • Sale! Sale!
    2026_06_12_430307
    Eaton BR280 2-Pole 80-Amp BR Plug-On Circuit Breaker
    Original price was: $90.25.Current price is: $27.07. Add to cart
  • Sale! Sale!
    2026_06_12_423662
    Eaton BR290 2-Pole 90-Amp BR Plug-On Circuit Breaker
    Original price was: $96.00.Current price is: $28.80. Add to cart
  • Sale! Sale!
    2026_06_12_430555
    Federal Pacific NA240 2-Pole 40-Amp Circuit Breaker – New
    Original price was: $59.00.Current price is: $17.70. Add to cart
  • Sale! Sale!
    2026_06_13_510141
    Siemens 200A 3-Pole QR23B200 Circuit Breaker
    Original price was: $1,545.18.Current price is: $298.98. Add to cart
  • Sale! Sale!
    2026_06_13_510018
    Siemens B1515 15A/15A Twin Bolt On Circuit Breaker
    Original price was: $174.52.Current price is: $43.63. Add to cart
  • Sale! Sale!
    2026_06_12_418576
    Siemens B220 20-Amp 2-Pole 120V 10KAIC Bolt-in Circuit Breaker
    Original price was: $173.80.Current price is: $43.45. Add to cart
  • Sale! Sale!
    2026_06_12_422852
    Siemens B3100 100-Amp 3-Pole 240V Bolt-in Circuit Breaker
    Original price was: $773.50.Current price is: $154.69. Add to cart
  • Sale! Sale!
    2026_06_12_422795
    Siemens B320H 20-Amp 3-Pole 240V Bolt-in Circuit Breaker
    Original price was: $854.66.Current price is: $170.93. Add to cart
  • Sale! Sale!
    2026_06_12_422846
    Siemens B380 80-Amp 3-Pole 240V Bolt-in Circuit Breaker
    Original price was: $773.50.Current price is: $154.69. Add to cart
  • Sale! Sale!
    2026_06_12_423151
    Siemens BQ1B015 15-Amp 1-Pole 120V Circuit Breaker
    Original price was: $77.15.Current price is: $23.14. Add to cart
  • Sale! Sale!
    2026_06_12_423170
    Siemens BQ1B030 30-Amp 1-Pole 120V Circuit Breaker
    Original price was: $77.15.Current price is: $23.14. Add to cart
  • Sale! Sale!
    2026_06_12_423161
    Siemens BQ2B030 30-Amp 2-Pole 120V Circuit Breaker
    Original price was: $173.42.Current price is: $43.35. Add to cart
  • Sale! Sale!
    2026_06_12_423259
    Siemens BQ3B015 15-Amp 3-Pole 240V Circuit Breaker
    Original price was: $559.89.Current price is: $111.97. Add to cart
  • Sale! Sale!
    2026_06_12_423215
    Siemens BQ3B020 20-Amp 3-Pole 240V Circuit Breaker
    Original price was: $559.89.Current price is: $111.97. Add to cart
  • Sale! Sale!
    2026_06_12_423224
    Siemens BQ3B030 30-Amp 3-Pole 240V Circuit Breaker
    Original price was: $559.89.Current price is: $111.97. Add to cart
  • Sale! Sale!
    2026_06_12_420680
    Siemens BQD315 15-Amp 3-Pole Circuit Breaker
    Original price was: $1,112.49.Current price is: $222.49. Add to cart
  • Sale! Sale!
    2026_06_12_420665
    Siemens BQD370 70-Amp 3-Pole Circuit Breaker
    Original price was: $1,501.04.Current price is: $298.98. Add to cart
  • Sale! Sale!
    2026_06_12_411275
    Siemens MBK150A 150-Amp 1-Phase Main Circuit Breaker
    Original price was: $194.83.Current price is: $48.70. Add to cart
  • Sale! Sale!
    2026_06_12_423967
    Siemens MBK175A 175-Amp 1-Phase Main Circuit Breaker
    Original price was: $194.83.Current price is: $48.70. Add to cart
  • Sale! Sale!
    2026_06_12_423515
    Siemens MP330KH 3-Pole 30-Amp 240V Circuit Breaker
    Original price was: $65.17.Current price is: $19.55. Add to cart
  • Sale! Sale!
    2026_06_12_423491
    Siemens P230 2-Pole 30-Amp 120V Pushmatic Circuit Breaker
    Original price was: $138.32.Current price is: $34.58. Add to cart
  • Sale! Sale!
    2026_06_12_410788
    Siemens Q115 15-Amp 1-Pole Type QP Circuit Breaker
    Original price was: $10.20.Current price is: $3.06. Add to cart
  • Sale! Sale!
    2026_06_12_410797
    Siemens Q120 20-Amp 1-Pole Type QP Circuit Breaker
    Original price was: $10.20.Current price is: $3.06. Add to cart
  • Sale! Sale!
    2026_06_12_411011
    Siemens Q120DF 20-Amp 1-Pole Dual Function AFCI/GFCI Circuit Breaker
    Original price was: $93.38.Current price is: $28.01. Add to cart
  • Sale! Sale!
    2026_06_12_420155
    Siemens Q120DFN 20-Amp 1-Pole Dual Function AFCI/GFCI Circuit Breaker
    Original price was: $93.38.Current price is: $28.01. Add to cart
  • Sale! Sale!
    2026_06_12_410932
    Siemens Q2020 20-Amp 1-Pole Type QT Tandem Circuit Breaker – 1 Pack or 12 Pack
    Original price was: $25.94.Current price is: $7.78. Add to cart
  • Sale! Sale!
    2026_06_12_419318
    Siemens Q2020AFC 20-Amp 2-Pole Tandem AFCI Combination Circuit Breaker
    Original price was: $146.31.Current price is: $36.57. Add to cart
  • Sale! Sale!
    2026_06_12_420066
    Siemens Q2020NC 20-Amp 1-Pole Type QT Tandem NCL Circuit Breaker
    Original price was: $136.99.Current price is: $34.24. Add to cart
  • Sale! Sale!
    2026_06_12_419444
    Siemens Q2030 20-30-Amp 1-Pole Tandem QT Circuit Breaker
    Original price was: $25.94.Current price is: $7.78. Add to cart
  • Sale! Sale!
    2026_06_12_410890
    Siemens Q2125 125-Amp 2-Pole Type QP Circuit Breaker – 1 Pack or 6 Pack
    Original price was: $164.60.Current price is: $41.15. Add to cart
  • Sale! Sale!
    2026_06_12_410809
    Siemens Q215 15-Amp 2-Pole Type QP Circuit Breaker
    Original price was: $22.36.Current price is: $6.70. Add to cart
  • Sale! Sale!
    2026_06_12_420076
    Siemens Q22020CT 20/20-Amp 2-Pole Type QT Circuit Breaker
    Original price was: $65.97.Current price is: $19.79. Add to cart
  • Sale! Sale!
    2026_06_12_411253
    Siemens Q22050CT2 2-Pole 20-50-Amp 10AIC Circuit Breaker
    Original price was: $75.29.Current price is: $22.58. Add to cart
  • Sale! Sale!
    2026_06_12_410864
    Siemens Q280 80-Amp 2-Pole Type QP Circuit Breaker – 1 Pack or 6 Pack
    Original price was: $81.46.Current price is: $24.43. Add to cart
  • Sale! Sale!
    2026_06_12_420443
    Siemens Q390 90-Amp 3-Pole Type QP Circuit Breaker
    Original price was: $178.33.Current price is: $44.58. Add to cart
  • Sale! Sale!
    2026_06_12_420131
    Siemens QA115AFC 15-Amp 1-Pole Combination Type Arc-Fault Circuit Breaker
    Original price was: $73.60.Current price is: $22.08. Add to cart
  • Sale! Sale!
    2026_06_12_422741
    Siemens QF120AP 20-Amp 1-Pole Type QPF2 GFCI Circuit Breaker
    Original price was: $82.45.Current price is: $24.73. Add to cart
  • Sale! Sale!
    2026_06_12_422748
    Siemens QF215A 15-Amp 2-Pole GFCI Circuit Breaker
    Original price was: $198.17.Current price is: $49.54. Add to cart
  • Sale! Sale!
    2026_06_12_421246
    Siemens QF240A 40-Amp 2-Pole GFCI Circuit Breaker
    Original price was: $174.22.Current price is: $43.55. Add to cart
  • Sale! Sale!
    2026_06_12_425922
    Siemens QS2125 125-Amp 2-Pole 10KAIC Main Circuit Breaker
    Original price was: $193.89.Current price is: $48.47. Add to cart
  • Sale! Sale!
    2026_06_12_411302
    Siemens QS2200 200-Amp 2-Pole Main Circuit Breaker
    Original price was: $193.89.Current price is: $48.47. Add to cart
  • Sale! Sale!
    2026_06_12_426003
    Square D EDB14020 1 Pole Circuit Breaker
    Original price was: $28.00.Current price is: $8.40. Add to cart
  • Sale! Sale!
    2026_06_13_509827
    Square D FAL22030 2-Pole Circuit Breaker
    Original price was: $199.00.Current price is: $49.75. Add to cart
  • Sale! Sale!
    2026_06_12_422217
    Square D GFM100FA Circuit Breaker Ground Fault Module Electrical Box
    Original price was: $395.00.Current price is: $79.00. Add to cart
  • Sale! Sale!
    2026_06_12_430491
    Square D MJ-5023 2-Pole 20-Amp Circuit Breaker – Discontinued
    Original price was: $30.00.Current price is: $9.00. Add to cart
  • Sale! Sale!
    2026_06_12_418281
    Square D QO2100C 2-Pole 100-Amp Circuit Breaker
    Original price was: $80.00.Current price is: $24.00. Add to cart
  • Sale! Sale!
    2026_06_12_418261
    Square D QO240 2-Pole 40-Amp Circuit Breaker
    Original price was: $25.00.Current price is: $7.50. Add to cart
  • Sale! Sale!
    2026_06_12_418272
    Square D QO260 2-Pole 60-Amp Circuit Breaker
    Original price was: $34.00.Current price is: $10.19. Add to cart
  • Sale! Sale!
    2026_06_12_421762
    Square D QO260VH 2-Pole 60-Amp 22KAIC Circuit Breaker
    Original price was: $89.00.Current price is: $26.70. Add to cart
  • Sale! Sale!
    2026_06_12_427469
    Square D QO320 3-Pole 20-Amp Circuit Breaker
    Original price was: $79.00.Current price is: $23.70. Add to cart
  • Sale! Sale!
    2026_06_12_430505
    Square D QOB115 1-Pole 15-Amp Bolt-On Circuit Breaker
    Original price was: $15.00.Current price is: $4.50. Add to cart
  • Sale! Sale!
    2026_06_12_430322
    Square D QOB120 1-Pole 20-Amp Bolt-On Circuit Breaker
    Original price was: $8.50.Current price is: $2.54. Add to cart
  • Sale! Sale!
    2026_06_12_423355
    Westinghouse QNPAL2090 2-Pole 90-Amp 240V Circuit Breaker
    Original price was: $44.00.Current price is: $13.20. Add to cart
  • Sale! Sale!
    2026_06_12_427493
    Zinsco Q-20 1-Pole 20-Amp Type Q Circuit Breaker – New or Used
    Original price was: $40.00.Current price is: $12.00. Add to cart