
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
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Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA
MSRP $997.83Surplus $358.48Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1254 Brand: Eaton MPN: BR320ST UPC: 786676003360 Shipping Weight: 1.30 Shipping Height: 3...- SKU:
- C15-1254
- Series:
- BR
- Type:
- Barrier
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Data Sheet:
- Mersen_00019_FB22_FB23_DATA.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
MSRP $997.83Surplus $358.48 -
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Eaton BRACAF120 Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph
MSRP $549.97Surplus $87.18Eaton BRACAF120 Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1275 Brand: Eaton MPN: BRACAF120 UPC: 786685514352 Shipping Weight: 0.50 Shipping Height: 3.00...- SKU:
- C15-1275
- Series:
- BR
- Type:
- Type T
- Size:
- 1 Inch W
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Poles:
- 1
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Plug-On Mount, Diagnostic
- Catalog:
- Eaton_36651_V1T1_79_CAT.pdf
- Data Sheet:
- Eaton-Bussmann_00767_1_2_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- Eaton_00008_INST.pdf
- Current Rating:
- 20 A
MSRP $549.97Surplus $87.18 -
Eaton BRAF120CCS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph
MSRP $626.20Surplus $85.52Eaton BRAF120CCS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-3667 Brand: Eaton MPN: BRAF120CCS UPC: 786685948850 Shipping Weight: 0.45 Shipping Height: 1.00...- SKU:
- C15-3667
- Series:
- BRC
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE BRC 1-INCH COMBINATION AFCI CIRCUIT BREAKER ARC FAULT, CANADA-ONLY
- Type:
- Arc Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $626.20Surplus $85.52 -
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Eaton BRAFGF120C Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA Canada Only
MSRP $462.84Surplus $101.70Eaton BRAFGF120C Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA Canada Only​ ARCA SKU: C15-2514 Brand: Eaton MPN: BRAFGF120C UPC: 786670008897 Shipping Weight: 0.45 lbs...- SKU:
- C15-2514
- Series:
- BR
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE BR COMPACT 1@ DUAL FUNCTION AFCI/GFCI
- TS PIK:
- 127254167
- Type:
- Arc & Ground Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
MSRP $462.84Surplus $101.70 -
Eaton BRAFGF120CS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA
MSRP $385.52Surplus $120.04Eaton BRAFGF120CS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-2415 Brand: Eaton MPN: BRAFGF120CS UPC: 786670009108 Shipping Weight: 0.50 Shipping...- SKU:
- C15-2415
- Short Description:
- EATON BR ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- UOM:
- EA
- Poles:
- 1
- Volts:
- 120 V
- Amps:
- 20 A
- Number of Phases:
- 1
- Type:
- Arc & Ground Fault
- Series:
- BR
- Box Quantity:
- 1
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $385.52Surplus $120.04 -
Eaton BRAFGF120QN Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph
MSRP $641.73Surplus $135.26Eaton BRAFGF120QN Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-3374 Brand: Eaton MPN: BRAFGF120QN UPC: 786670008934 Shipping Weight: 0.45 Shipping Height: 1...- SKU:
- C15-3374
- Approval:
- UL 489/943/1699/1998
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Poles:
- 1
- Size:
- 2.91 Inch Width x 0.9 Inch Depth x 3.28 Inch Height
- Type:
- Standard
- Volts:
- 10 V
- Current Rating:
- 20 A
- Voltage Rating:
- 10 V
- Number of Poles:
- 1
- Data Sheet:
- Eaton_32574_1-3_DATA.pdf
- Short Description:
- EATON BR ARC FAULT / GROUND FAULT CIRCUIT BREAKER
- Country of Origin:
- United States
MSRP $641.73Surplus $135.26 -
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Eaton BRC120AF Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph
MSRP $680.65Surplus $130.36Eaton BRC120AF Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1281 Brand: Eaton MPN: BRC120AF UPC: 782116049110 Shipping Weight: 0.45 Shipping Height: 2.00 In...- SKU:
- C15-1281
- Series:
- BR
- Type:
- Main Lug
- Size:
- 1 Inch W
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Enclosure:
- NEMA 1
- Enclosure:
- Indoor
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Poles:
- 1
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Clip Line Terminal, Plug-In Mount, Common Trip
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- Eaton_00008_INST.pdf
- Current Rating:
- 20 A
- Data Sheet:
- Eaton_40737_1_DATA.pdf
MSRP $680.65Surplus $130.36 -
Eaton BRC120AFCS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph
MSRP $598.97Surplus $77.12Eaton BRC120AFCS Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4393 Brand: Eaton MPN: BRC120AFCS UPC: 782116016167 Shipping Weight: 0.45 Shipping Height: 1.00...- SKU:
- C15-4393
- Series:
- BR
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
MSRP $598.97Surplus $77.12 -
Eaton BRC120CAFA Miniature Circuit Breakers (MCBs) BRC 1P 20A 240V 50/60Hz 1Ph
MSRP $707.88Surplus $62.42Eaton BRC120CAFA Miniature Circuit Breakers (MCBs) BRC 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1283 Brand: Eaton MPN: BRC120CAFA UPC: Shipping Weight: 0.45 Shipping Height: 2.00 In...- SKU:
- C15-1283
- Series:
- BR
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Type:
- Arc Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
- Short Description:
- A 1-pole, 20A combination arc fault circuit interrupter (AFCI) designed for residential applications. It provides both parallel and series arc fault protection and is compatible with Type BR load centers.
MSRP $707.88Surplus $62.42 -
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Eaton BRCAF120 Miniature Circuit Breakers (MCBs)
MSRP $708.84Surplus $255.18SKU: C15-11181 Brand: Eaton MPN: BRCAF120 UPC: 78668551433 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-11181
- TS PIK:
- 124548669
- Series:
- BR
- Short Description:
- 120 V, 20 A, 10 kA, 1-Pole, Plug-On Mount, Combination, Arc Fault Circuit Breaker
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Poles:
- 1
- Size:
- 6 Inch Length x 3.5 Inch Width x 1.25 Inch Height
- Used On:
- Loadcenter
- Catalog:
- Eaton_36650_V1T1_76_V1T1_79_CAT.pdf
- Approval:
- UL 1699
- Voltage Rating:
- 120 V
- Mounting:
- Plug-On
- Type:
- Combination
MSRP $708.84Surplus $255.18 -
Eaton BRCAF120CS Miniature Circuit Breakers (MCBs)
MSRP $430.76Surplus $59.61Eaton BRCAF120CS Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1288 Brand: Eaton MPN: BRCAF120CS UPC: 786685514376 Shipping Weight: 13.30 lbs. Shipping Height: 9.00 In. Shipping...- SKU:
- C15-1288
- Approval:
- UL 1699
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 3.5 Inch Width x 6 Inch Depth x 1.25 Inch Height
- Type:
- Arc Fault
- Used On:
- BR Load Center
- Volts:
- 120 V
- Gauge:
- 14 to 4 AWG Copper/Aluminum
- Specification/Technical:
- Eaton_62199_1_2_SPEC.pdf
- Data Sheet:
- Eaton_36652_1-4_DATA.pdf
- TS PIK:
- 124615683
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Catalog:
- Eaton_36651_V1T1_79_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum
- Short Description:
- EATON BR AFCI CIRCUIT BREAkER
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $430.76Surplus $59.61 -
Eaton BRH220 Miniature Circuit Breakers (MCBs) 2P 20A 240V EA
MSRP $275.02Surplus $76.46Eaton BRH220 Miniature Circuit Breakers (MCBs) 2P 20A 240V EA​ ARCA SKU: C15-1306 Brand: Eaton MPN: BRH220 UPC: 786676373500 Shipping Weight: 0.60 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1306
- Series:
- BRH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 22 kA, 2-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- TS PIK:
- 21494028
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $275.02Surplus $76.46 -
Eaton BRHCAF120 Miniature Circuit Breakers (MCBs) 1P 20A
MSRP $916.15Surplus $248.44Eaton BRHCAF120 Miniature Circuit Breakers (MCBs) 1P 20A​ ARCA SKU: C15-1319 Brand: Eaton MPN: BRHCAF120 UPC: 78668551447 Shipping Weight: 0.45 lbs. Shipping Height: 1.00 In...- SKU:
- C15-1319
- Series:
- BR
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- BR AFCI BREAKER COMP 1P 20A HIGH 22KAIC
- TS PIK:
- 124558491
- Type:
- Arc Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- United States
MSRP $916.15Surplus $248.44 -
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Eaton BRHH120 Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph
MSRP $456.04Surplus $105.07Eaton BRHH120 Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1320 Brand: Eaton MPN: BRHH120 UPC: 786676002769 Shipping Weight: 0.30 Shipping Height: 3.00 In...- SKU:
- C15-1320
- Series:
- BR
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER
- Mounting:
- Plug-On
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $456.04Surplus $105.07 -
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Eaton BRL220AF Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph
MSRP $701.07Surplus $255.37Eaton BRL220AF Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1333 Brand: Eaton MPN: BRL220AF UPC: 786685233376 Shipping Weight: 1.45 Shipping Height: 3.00 In...- SKU:
- C15-1333
- Series:
- BR
- Type:
- Class K5
- Approval:
- UL 1699
- Size:
- 1 Inch W
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Application:
- HARC
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Poles:
- 2
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Branch Feeder
- Catalog:
- Eaton_36650_V1T1_76_V1T1_78_CAT.pdf
- Data Sheet:
- Mersen_00082_PF30_PF31_DATA.pdf
- CAD Drawing:
- Mersen_00269_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- Eaton_00008_INST.pdf
- Current Rating:
- 20 A
MSRP $701.07Surplus $255.37 -
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Eaton BRLAFGF120QN Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph
MSRP $326.71Surplus $120.24Eaton BRLAFGF120QN Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1341 Brand: Eaton MPN: BRLAFGF120QN UPC: 786670008040 Shipping Weight: 0.50 Shipping...- SKU:
- C15-1341
- Series:
- BR
- Type:
- Duplex Receptacle
- Size:
- 1 Inch W x 3 Inch D x 4.5 Inch H
- Volts:
- 120 V
- Amps:
- 32 A
- Used On:
- Type BR Loadcenter
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG
- Poles:
- 1
- Short Description:
- 120 V, 20 A, 10 kA, 1-Pole, Quick Connect Neutral
- Catalog:
- Eaton_36650_V1T1_57_CAT.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 V
MSRP $326.71Surplus $120.24 -
Eaton BRLH120CAF Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph
MSRP $956.05Surplus $119.20Eaton BRLH120CAF Miniature Circuit Breakers (MCBs) BR 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1342 Brand: Eaton MPN: BRLH120CAF UPC: 786685232379 Shipping Weight: 0.50 Shipping Height: 3.50...- SKU:
- C15-1342
- Series:
- BRLH
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE BRLH 1-INCH COMBINATION AFCI CIRCUIT BREAKER
- Type:
- Arc Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- United States
MSRP $956.05Surplus $119.20 -
Eaton BRN120A1CS Miniature Circuit Breakers (MCBs)
MSRP $533.04Surplus $71.74Eaton BRN120A1CS Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-2533 Brand: Eaton MPN: BRN120A1CS UPC: Shipping Weight: 0.50 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-2533
- Series:
- BR
- Volts:
- 120 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE BR 1IN AFCI/GFCI
- TS PIK:
- 127754103
- Type:
- Arc & Ground Fault
- Number of Poles:
- 1
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $533.04Surplus $71.74 -
Eaton BRN120EP Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA
MSRP $808.61Surplus $138.29Eaton BRN120EP Miniature Circuit Breakers (MCBs) BR 1P 20A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-2612 Brand: Eaton MPN: BRN120EP UPC: 786689031329 Shipping Weight: 0.50 Shipping Height: 1.00...- SKU:
- C15-2612
- Type:
- Pigtail
- Approval:
- UL
- Size:
- 4 Inch Length x 3.5 Inch Width x 1 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- 120 VAC, 20 A, 1-Pole, 10 kA, Trip to Center, Plug-On Mount
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00010_WARR.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Series:
- BR
- Country of Origin:
- Dominican Republic
MSRP $808.61Surplus $138.29 -
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Eaton BRSN220 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph Switched Neutral
MSRP $200.11Surplus $97.77Eaton BRSN220 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph Switched Neutral​ ARCA SKU: C15-1356 Brand: Eaton MPN: BRSN220 UPC: 786676364553 Shipping Weight: 0.65 Shipping...- SKU:
- C15-1356
- Type:
- Thermal Magnetic, Common Trip
- Voltage Rating:
- 120 VAC
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Used On:
- Loadcenter
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120 VAC, 20 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker with Switching Neutral Pole
- Catalog:
- Eaton_36650_V1T1_84_CAT.pdf
- Specification/Technical:
- Eaton_37774_1_2_SPEC.pdf
- Series:
- BR
- Approval:
- UL 489
MSRP $200.11Surplus $97.77
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