Circuit Breakers
Our selection of circuit breakers spans a wide range of applications, from heavy-duty air circuit breakers (ACBs) to compact miniature circuit breakers (MCBs). We offer leading brands like Eaton, Siemens, and Square D, known for their reliability and performance. Whatever your power management needs, you can find the perfect solution here at ARCA Supply.
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Din Rail Mounted Circuit Breakers
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Main Breakers
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Miniature Circuit Breakers (MCBs)
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Molded Case Breakers (MCCBs)
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Motor Circuit Protector (MCPs)
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Lug Terminal Kits
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Auxiliary, Shunt, Trip Units and UVRs
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Circuit Breaker Accessories
- Product
- Qty in Cart
- Price
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Eaton EF1DIN Circuit Breaker Accessories Din Rail Adapter 1P
MSRP $21.90Surplus $10.83Eaton EF1DIN Circuit Breaker Accessories Din Rail Adapter 1P​ ARCA SKU: C15-4043 Brand: Eaton MPN: EF1DIN UPC: 786685219950 Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4043
- Poles:
- 1
- Short Description:
- DIN RAIL ADAPTER FOR EG BKR AND HMCPE 1P
MSRP $21.90Surplus $10.83 -
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Eaton EF2RTWK Circuit Breaker Accessories EA
MSRP $16.34Surplus $6.54Eaton EF2RTWK Circuit Breaker Accessories EA​ ARCA SKU: C15-9069 Brand: Eaton MPN: EF2RTWK UPC: 00786685220000 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9069
- TS PIK:
- 122800468
MSRP $16.34Surplus $6.54 -
Eaton EF34DIN Circuit Breaker Accessories Din Rail Adapter EG Frame EA
MSRP $50.00Surplus $14.97Eaton EF34DIN Circuit Breaker Accessories Din Rail Adapter EG Frame EA​ ARCA SKU: C15-2055 Brand: Eaton MPN: EF34DIN UPC: 782113683553 Shipping Weight: 0.25 lbs. Shipping Height: 1...- SKU:
- C15-2055
- Type:
- DIN Rail Adapter
- Used On:
- E Frame Molded Case Circuit Breaker
- Poles:
- 3/4
- Short Description:
- 3/4-Pole, DIN Rail Adapter
- Catalog:
- Eaton_27487_V4T2_163_CAT.pdf
- TS PIK:
- 118159307
- Country of Origin:
- United States
MSRP $50.00Surplus $14.97 -
Eaton EF3RTWK Circuit Breaker Accessories Metric End Cap Kit 3P J-K Frame
MSRP $24.00Surplus $4.74Eaton EF3RTWK Circuit Breaker Accessories Metric End Cap Kit 3P J-K Frame​ ARCA SKU: C15-4090 Brand: Eaton MPN: EF3RTWK UPC: 786679108031 Shipping Weight: 0.10 Shipping Height: 2.00 In...- SKU:
- C15-4090
- Poles:
- 3
- Frame:
- J-K
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY END CAP KIT, METRIC END CAP KIT, CH
- Country of Origin:
- Dominican Republic
MSRP $24.00Surplus $4.74 -
Eaton EFPHBOFF Circuit Breaker Accessories Padlockable Handle Lock E Frame EA
MSRP $70.48Surplus $23.67Eaton EFPHBOFF Circuit Breaker Accessories Padlockable Handle Lock E Frame EA​ ARCA SKU: C15-3564 Brand: Eaton MPN: EFPHBOFF UPC: 786679138137 Shipping Weight: 0.05 lbs. Shipping...- SKU:
- C15-3564
- Frame:
- E
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, PADLOCKABLE HANDLE
- TS PIK:
- 120602400
- Country of Origin:
- Dominican Republic
MSRP $70.48Surplus $23.67 -
Eaton EFPLK Circuit Breaker Accessories
MSRP $94.00Surplus $21.53Eaton EFPLK Circuit Breaker Accessories​ ARCA SKU: C15-9088 Brand: Eaton MPN: EFPLK UPC: Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping Length: 5.00 In...- SKU:
- C15-9088
MSRP $94.00Surplus $21.53 -
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Eaton EFSBI Circuit Breaker Accessories Sliding Bar Interlock Kit 3P-4P EG Frame
MSRP $200.00Surplus $76.13Eaton EFSBI Circuit Breaker Accessories Sliding Bar Interlock Kit 3P-4P EG Frame​ ARCA SKU: C15-1765 Brand: Eaton MPN: EFSBI UPC: 782116806584 Shipping Weight: 1.00 Shipping Height: 6.50...- SKU:
- C15-1765
- Frame:
- EG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, SLIDE BAR INTERLOC
MSRP $200.00Surplus $76.13 -
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Eaton EFTES3 Circuit Breaker Accessories Terminal Extender Kit 3P EG Frame
MSRP $82.00Surplus $22.30Eaton EFTES3 Circuit Breaker Accessories Terminal Extender Kit 3P EG Frame​ ARCA SKU: C15-1754 Brand: Eaton MPN: EFTES3 UPC: 782116122875 Shipping Weight: 0.34 Shipping Height: 1.00 In...- SKU:
- C15-1754
- Poles:
- 3
- Frame:
- EG
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM
MSRP $82.00Surplus $22.30 -
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Eaton EFTS1KLINE Circuit Breaker Accessories EA
MSRP $13.06Surplus $4.16Eaton EFTS1KLINE Circuit Breaker Accessories EA​ ARCA SKU: C15-9481 Brand: Eaton MPN: EFTS1KLINE UPC: 78668521997 Shipping Weight: 0.10 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9481
MSRP $13.06Surplus $4.16 -
Eaton EFTS3K Circuit Breaker Accessories 3P EA
MSRP $25.50Surplus $9.59Eaton EFTS3K Circuit Breaker Accessories 3P EA​ ARCA SKU: C15-3194 Brand: Eaton MPN: EFTS3K UPC: 782114984185 Shipping Weight: 0.20 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3194
- Type:
- Terminal Shield
- Used On:
- G Series EG Frame Molded Case Circuit Breaker
- Specification/Technical:
- Eaton_60657_1_2_SPEC.pdf
- TS PIK:
- 117057975
- Catalog:
- Eaton_03771_V4T2_129_V4T2_218_CAT.pdf
- Short Description:
- EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TERMINAL SHIELD, TERMINAL SHIELD, TH
MSRP $25.50Surplus $9.59 -
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Eaton EG4WBI Circuit Breaker Accessories Walking Beam Interlock 4P EG Frame
MSRP $1,194.00Surplus $377.39SKU: C15-2145 Brand: Eaton MPN: EG4WBI UPC: 782116348077 Shipping Weight: 2.70 lbs. Shipping Height: 3.00 In. Shipping Length: 9.00 In. Shipping Width: 9.50 In...- SKU:
- C15-2145
- Poles:
- 4
- Frame:
- EG
- Short Description:
- EG WALKING BEAM INTERLOCK, 4 POLE
MSRP $1,194.00Surplus $377.39 -
Eaton EGB1015FFB Molded Case Breakers (MCCBs)
MSRP $466.70Surplus $65.92Eaton EGB1015FFB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-9523 Brand: Eaton MPN: EGB1015FFB UPC: 78668538146 Shipping Weight: 1.00 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9523
- TS PIK:
- 123526624
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAKER, EG-FRAME, EG, COMPLETE BREAKER, FIXE
- Country of Origin:
- Dominican Republic
MSRP $466.70Surplus $65.92 -
Eaton EGB1016FFG Main Breakers EA
MSRP $466.70Surplus $137.23Eaton EGB1016FFG Main Breakers EA​ ARCA SKU: C15-9347 Brand: Eaton MPN: EGB1016FFG UPC: 78211498456 Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9347
- TS PIK:
- 117058011
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAKER, EG-FRAME, EG, COMPLETE BREAKER, FIXE
- Series:
- G
- Frame Type:
- EG
MSRP $466.70Surplus $137.23 -
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Eaton EGB1020FFB Molded Case Breakers (MCCBs) EGB 1P 20A 240V 50/60Hz 1Ph EG Frame
MSRP $405.00Surplus $144.70Eaton EGB1020FFB Molded Case Breakers (MCCBs) EGB 1P 20A 240V 50/60Hz 1Ph EG Frame​ ARCA SKU: C15-1711 Brand: Eaton MPN: EGB1020FFB UPC: 786685381473 Shipping Weight: 1.50 lbs. Shipping...- SKU:
- C15-1711
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 20 A
- Frame:
- EG
- Interrupting Rating:
- 18 kA at 415/480 VAC
- Interrupting Rating:
- 25 Kiloamp at 240 Volt AC
- Maximum AC Voltage:
- 480 V
- Poles:
- 1
- Size:
- 1 Inch Width x 2.99 Inch Depth x 5.5 Inch Height
- Terminal Type:
- Bolt-On
- Type:
- Fixed Thermal Magnetic
- Type:
- Molded Case
- Volts:
- 240/415/480/600 Star/347 VAC 50/60 Hz
- TS PIK:
- 123526625
- Number of Poles:
- 1
- Voltage Rating:
- 240/415/480/600 Star/347 VAC 50/60 Hz
- Frame Type:
- EG
- Catalog:
- EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_166_CAT.pdf
- Data Sheet:
- Eaton_21533_1-12_DATA.pdf
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAkER, EG-FRAME, EG, COMPLETE BREAkER, FIXE
- Current Rating:
- 20 A
- Maximum AC Voltage Rating:
- 480 V
MSRP $405.00Surplus $144.70 -
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Eaton EGB1020FFG Molded Case Breakers (MCCBs) EGB 1P 20A 240V 50/60Hz 1Ph EG Frame
MSRP $346.00Surplus $169.39Eaton EGB1020FFG Molded Case Breakers (MCCBs) EGB 1P 20A 240V 50/60Hz 1Ph EG Frame​ ARCA SKU: C15-3261 Brand: Eaton MPN: EGB1020FFG UPC: 782114984574 Shipping Weight: 1.15 lbs. Shipping...- SKU:
- C15-3261
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CE
- Amps:
- 20 A
- Frame:
- EG
- Interrupting Rating:
- 18 kA at 415/480 V AC
- Interrupting Rating:
- 25 Kiloamp at 240 Volt AC
- Maximum AC Voltage:
- 480 V
- Poles:
- 1
- Size:
- 1 Inch Width x 2.99 Inch Depth x 5.5 Inch Height
- Terminal Type:
- Standard Line and Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Molded Case
- Volts:
- 240/415/480/600 Star/347 VAC 50/60 Hz
- Short Description:
- 415/480 VAC 50/60 Hz, 20 A, 18 kA Interrupt, 1-Pole, EG Frame, Line and Load Terminal, Fixed Thermal, Fixed Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- TS PIK:
- 117058012
- Catalog:
- EatonCorp_00274_V4T2_147-V4T2_149_V4T2_158-V4T2_160_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Voltage Rating:
- 240/415/480/600 Star/347 V AC 50/60 Hz
- Maximum AC Voltage Rating:
- 480 V
- Data Sheet:
- EatonCorp_00483_1-12_DATA.pdf
- Frame Type:
- EG
MSRP $346.00Surplus $169.39 -
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Eaton EGB1025FFB Molded Case Breakers (MCCBs) EGB 1P 25A 480V 50/60Hz 1Ph EG Frame
MSRP $385.00Surplus $123.51Eaton EGB1025FFB Molded Case Breakers (MCCBs) EGB 1P 25A 480V 50/60Hz 1Ph EG Frame​ ARCA SKU: C15-3297 Brand: Eaton MPN: EGB1025FFB UPC: 786685381480 Shipping Weight: 0.85 lbs. Shipping...- SKU:
- C15-3297
- TS PIK:
- 123526626
MSRP $385.00Surplus $123.51 -
Eaton EGB1032FFG Main Breakers EA
MSRP $466.70Surplus $133.24Eaton EGB1032FFG Main Breakers EA​ ARCA SKU: C15-9346 Brand: Eaton MPN: EGB1032FFG UPC: 78211498460 Shipping Weight: 1.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9346
- TS PIK:
- 117058015
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAKER, EG-FRAME, EG, COMPLETE BREAKER, FIXE
- Series:
- EG
- Frame Type:
- EG
MSRP $466.70Surplus $133.24 -
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Eaton EGB2015FFWZ90 Molded Case Breakers (MCCBs) EA
MSRP $1,326.00Surplus $92.94SKU: C15-9663 Brand: Eaton MPN: EGB2015FFWZ90 UPC: 78668589612 Shipping Weight: 1.75 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9663
- TS PIK:
- 125605130
MSRP $1,326.00Surplus $92.94 -
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Eaton EGB2035FFG Molded Case Breakers (MCCBs) EGB 2P 35A 480V 50/60Hz 2Ph EG Frame
MSRP $855.00Surplus $260.71Eaton EGB2035FFG Molded Case Breakers (MCCBs) EGB 2P 35A 480V 50/60Hz 2Ph EG Frame​ ARCA SKU: C15-3713 Brand: Eaton MPN: EGB2035FFG UPC: 786685018461 Shipping Weight: 2.00 lbs. Shipping...- SKU:
- C15-3713
- Series:
- G
- Volts:
- 480 V
- Amps:
- 35 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Frame:
- EG
- Short Description:
- E 2P BKR_35A_CSA/UL/IEC
MSRP $855.00Surplus $260.71 -
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Eaton EGB2050FFB Molded Case Breakers (MCCBs) EGB 2P 50A 480V 50/60Hz 2Ph EG Frame
MSRP $763.00Surplus $287.59SKU: C15-3330 Brand: Eaton MPN: EGB2050FFB UPC: 786685232515 Shipping Weight: 1.85 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3330
- Series:
- G
- Volts:
- 480 V
- Amps:
- 50 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Frame:
- EG
- Short Description:
- EATON SERIES G MOLDED CASE CIRCUIT BREAKER, EG-FRAME, EG, COMPLETE BREAKER, FIXE
MSRP $763.00Surplus $287.59
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