
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 BR2HT Circuit Breaker Accessories Handle Tie 1P
MSRP $28.00Surplus $16.78Eaton BR2HT Circuit Breaker Accessories Handle Tie 1P​ ARCA SKU: C15-2021 Brand: Eaton MPN: BR2HT UPC: 786685442884 Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2021
- Breaker Type:
- BR
- Poles:
- 1
- Type:
- Handle Tie
- Short Description:
- 0.5" x 1.5" x 0.05", Handle Tie for (2) 1-Pole Type BR Circuit Breaker
- Specification/Technical:
- EatonCorp_00329_1_2_SPEC.pdf
- Country of Origin:
- Dominican Republic
MSRP $28.00Surplus $16.78 -
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Eaton BR2HT-10 Circuit Breaker Accessories BR 10BOX
MSRP $6,000.00Surplus $302.39Eaton BR2HT-10 Circuit Breaker Accessories BR 10BOX​ ARCA SKU: C15-4318 Brand: Eaton MPN: BR2HT-10 UPC: 786685442884 Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4318
- UOM:
- BOX
- Type:
- BR
- Box Quantity:
- 10
MSRP $6,000.00Surplus $302.39 -
Eaton BR3030 Miniature Circuit Breakers (MCBs)
MSRP $140.00Surplus $61.54SKU: C15-1250 Brand: Eaton MPN: BR3030 UPC: 786676370301 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1250
- Series:
- BR
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120 VAC, 30 A, 10 kA, 1-Pole, Plug-On Mount, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_88_CAT.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- CAD Drawing:
- Eaton_41228_1_CAD.pdf
- TS PIK:
- 21493954
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Country of Origin:
- Dominican Republic
MSRP $140.00Surplus $61.54 -
Eaton BR30303 Miniature Circuit Breakers (MCBs)
MSRP $125.45Surplus $22.02Eaton BR30303 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6748 Brand: Eaton MPN: BR30303 UPC: Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6748
- Number of Poles:
- 3
MSRP $125.45Surplus $22.02 -
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Eaton BR310 Miniature Circuit Breakers (MCBs) BR 3P 10A 120V 50/60Hz 3Ph
MSRP $455.00Surplus $95.93Eaton BR310 Miniature Circuit Breakers (MCBs) BR 3P 10A 120V 50/60Hz 3Ph​ ARCA SKU: C15-2835 Brand: Eaton MPN: BR310 UPC: 786676092050 Shipping Weight: 0.90 Shipping Height: 3.00 In...- SKU:
- C15-2835
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- 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, 10 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
MSRP $455.00Surplus $95.93 -
Eaton BR3100 Miniature Circuit Breakers (MCBs) 3P 100A 120V EA
MSRP $596.20Surplus $124.72Eaton BR3100 Miniature Circuit Breakers (MCBs) 3P 100A 120V EA​ ARCA SKU: C15-1251 Brand: Eaton MPN: BR3100 UPC: 786676368094 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1251
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 208 VAC Star/120 VAC
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 4 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 208 Star/120 VAC, 240 VAC, 100 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_56_V1T1_85_CAT.pdf
- TS PIK:
- 21493902
- Voltage Rating:
- 208 VAC Star/120 VAC, 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 100 A
- Country of Origin:
- Dominican Republic
MSRP $596.20Surplus $124.72 -
Eaton BR3100ST Miniature Circuit Breakers (MCBs) BR 3P 100A 240V 50/60Hz 1Ph 3Wire
MSRP $840.00Surplus $360.43Eaton BR3100ST Miniature Circuit Breakers (MCBs) BR 3P 100A 240V 50/60Hz 1Ph 3Wire​ ARCA SKU: L19-1001 Brand: Eaton MPN: BR3100ST UPC: 786676002509 Shipping Weight: 1.50 lbs. Shipping...- SKU:
- L19-1001
- TS PIK:
- 115785796
MSRP $840.00Surplus $360.43 -
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Eaton BR315 Miniature Circuit Breakers (MCBs) EA
MSRP $562.62Surplus $202.55SKU: C15-11093 Brand: Eaton MPN: BR315 UPC: 78667636770 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-11093
- TS PIK:
- 21493894
MSRP $562.62Surplus $202.55 -
Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA
MSRP $337.57Surplus $68.38Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1253 Brand: Eaton MPN: BR320 UPC: 786676367752 Shipping Weight: 0.95 lbs. Shipping...- SKU:
- C15-1253
- Series:
- BR
- Type:
- Bi-Metallic
- Type:
- Thermal
- Approval:
- UL 489
- Size:
- 2.9 Inch Length x 2.9 Inch Width x 2.7 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Type BR Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Enclosure:
- IP20
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Data Sheet:
- Eaton_41028_1-6_DATA.pdf
- TS PIK:
- 21493895
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $68.38 -
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Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA
MSRP $733.00Surplus $218.12Eaton 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 $733.00Surplus $218.12 -
Eaton BR325 Miniature Circuit Breakers (MCBs) BR 3P 25A 240V 50/60Hz 3Ph EA
MSRP $380.00Surplus $77.72Eaton BR325 Miniature Circuit Breakers (MCBs) BR 3P 25A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1255 Brand: Eaton MPN: BR325 UPC: 786676000093 Shipping Weight: 0.95 lbs. Shipping...- SKU:
- C15-1255
- 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, 25 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 115393474
- Number of Poles:
- 3
- Current Rating:
- 25 A
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $380.00Surplus $77.72 -
Eaton BR330 Miniature Circuit Breakers (MCBs) 3P 30A 120V EA
MSRP $337.57Surplus $97.09Eaton BR330 Miniature Circuit Breakers (MCBs) 3P 30A 120V EA​ ARCA SKU: C15-1256 Brand: Eaton MPN: BR330 UPC: 786676367806 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1256
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493896
- Current Rating:
- 30 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $97.09 -
Eaton BR335 Miniature Circuit Breakers (MCBs)
MSRP $396.00Surplus $96.98SKU: C15-1258 Brand: Eaton MPN: BR335 UPC: 786676000109 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1258
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- 1 Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 35 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 115393476
- Voltage Rating:
- 240 VAC
- Current Rating:
- 35 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $396.00Surplus $96.98 -
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Eaton BR340ST Miniature Circuit Breakers (MCBs) BR 3P 40A 240V 50/60Hz 3Ph Shunt Trip
MSRP $693.00Surplus $218.12Eaton BR340ST Miniature Circuit Breakers (MCBs) BR 3P 40A 240V 50/60Hz 3Ph Shunt Trip​ ARCA SKU: C15-1260 Brand: Eaton MPN: BR340ST UPC: 786676003407 Shipping Weight: 1.30 Shipping...- SKU:
- C15-1260
- Approval:
- UL 489
- Amps:
- 40 A
- Interrupting Rating:
- 10 kA
- Mounting:
- 1-Inch Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Shunt Trip
- Used On:
- BR Load Center
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Copper/Aluminum at 60/75 Deg C
- Current Rating:
- 40 A
- Voltage Rating:
- 240 VAC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum at 60/75 Deg C
- Catalog:
- Eaton_00071_V1T1_43_V1T1_83_V1T1_85_CAT.pdf
- Number of Poles:
- 3
MSRP $693.00Surplus $218.12 -
Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA
MSRP $380.00Surplus $110.22Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA​ ARCA SKU: C15-1261 Brand: Eaton MPN: BR345 UPC: 786676000116 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1261
- Series:
- BR
- Type:
- Standard
- 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, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Data Sheet:
- Mersen_00019_FB20_FB21_DATA.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $380.00Surplus $110.22 -
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Eaton BR350ST Miniature Circuit Breakers (MCBs) BR 3P 50A 240V 50/60Hz 3Ph EA Shunt Trip
MSRP $678.57Surplus $65.15Eaton BR350ST Miniature Circuit Breakers (MCBs) BR 3P 50A 240V 50/60Hz 3Ph EA Shunt Trip​ ARCA SKU: C15-3642 Brand: Eaton MPN: BR350ST UPC: 786676003421 Shipping Weight: 1.35 lbs. Shipping...- SKU:
- C15-3642
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
MSRP $678.57Surplus $65.15 -
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Eaton BR360NA Miniature Circuit Breakers (MCBs) BR 3P 60A 240V 50/60Hz 3Ph
MSRP $326.00Surplus $63.73Eaton BR360NA Miniature Circuit Breakers (MCBs) BR 3P 60A 240V 50/60Hz 3Ph​ ARCA SKU: C15-1264 Brand: Eaton MPN: BR360NA UPC: 786676003773 Shipping Weight: 1.00 Shipping Height: 3.00 In...- SKU:
- C15-1264
- Series:
- BR
- Volts:
- 240 V
- Amps:
- 60 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BR THERMAL MAGNETIC CIRCUIT BREAKER,TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER
MSRP $326.00Surplus $63.73 -
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Eaton BR360ST Miniature Circuit Breakers (MCBs) BR 3P 60A 240V 50/60Hz 3Ph Shunt Trip
MSRP $694.00Surplus $219.45Eaton BR360ST Miniature Circuit Breakers (MCBs) BR 3P 60A 240V 50/60Hz 3Ph Shunt Trip​ ARCA SKU: C15-1265 Brand: Eaton MPN: BR360ST UPC: 786676003445 Shipping Weight: 1.35 Shipping...- SKU:
- C15-1265
- Series:
- BR
- Type:
- Main
- Type:
- Sub Feed
- Approval:
- UL 489
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 4 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 60 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Current Rating:
- 60 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
MSRP $694.00Surplus $219.45 -
Eaton BR370ST Miniature Circuit Breakers (MCBs) BR 3P 70A 120/240V 50/60Hz 3Ph
MSRP $946.00Surplus $327.18Eaton BR370ST Miniature Circuit Breakers (MCBs) BR 3P 70A 120/240V 50/60Hz 3Ph​ ARCA SKU: C15-1267 Brand: Eaton MPN: BR370ST UPC: 786676003452 Shipping Weight: 1.30 lbs. Shipping...- SKU:
- C15-1267
- TS PIK:
- 115785818
MSRP $946.00Surplus $327.18 -
Eaton BR380ST Miniature Circuit Breakers (MCBs) BR 3P 80A 120/240V 50/60Hz 3Ph
MSRP $974.68Surplus $350.88SKU: C15-1269 Brand: Eaton MPN: BR380ST UPC: 786676003469 Shipping Weight: 1.30 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1269
MSRP $974.68Surplus $350.88
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.