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 BR350 Miniature Circuit Breakers (MCBs)
MSRP $562.62Surplus $55.55SKU: C15-11092 Brand: Eaton MPN: BR350 UPC: 78667636790 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11092
- TS PIK:
- 21493898
- Series:
- BR
- Voltage Rating:
- 240 VAC
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Type:
- Thermal Magnetic, Common Trip
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Current Rating:
- 50 A
- Mounting:
- Plug-On
- Used On:
- BR Series Load Center
- Number of Poles:
- 3
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $562.62Surplus $55.55 -
Eaton BAB3050H Miniature Circuit Breakers (MCBs) 3P 50A 240V EA
MSRP $462.43Surplus $113.00SKU: C15-1098 Brand: Eaton MPN: BAB3050H UPC: 786679303504 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1098
- Series:
- BAB
- Type:
- Thermal Magnetic
- Type:
- Interchangeable Trip
- Type:
- Miniature
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Distribution Panel
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- TS PIK:
- 21508712
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $462.43Surplus $113.00 -
Eaton QC3050H Miniature Circuit Breakers (MCBs) QC 3P 50A 240V 50/60Hz 3Ph
MSRP $520.00Surplus $113.91Eaton QC3050H Miniature Circuit Breakers (MCBs) QC 3P 50A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2855 Brand: Eaton MPN: QC3050H UPC: 786679240182 Shipping Weight: 1.10 Shipping Height: 4.00 In...- SKU:
- C15-2855
- Series:
- Type QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Cable-In
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper
- Wire Size:
- Load)
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $520.00Surplus $113.91 -
Siemens B350 Miniature Circuit Breakers (MCBs)
MSRP $622.00Surplus $75.00SKU: C15-6230 Brand: Siemens MPN: B350 UPC: 78364326375 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-6230
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Type:
- Molded Case, Thermal and Fixed Magnetic, Branch, Common Trip
- Current Rating:
- 50 A
- Voltage Rating:
- 240 VAC
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Data Sheet:
- SiemensAG_05264_1_DATA.pdf
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Number of Poles:
- 3
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
MSRP $622.00Surplus $75.00 -
Eaton QBHW3050H Miniature Circuit Breakers (MCBs) QBHW 3P 50A 240V 50/60Hz 3Ph EA
MSRP $689.77Surplus $117.14Eaton QBHW3050H Miniature Circuit Breakers (MCBs) QBHW 3P 50A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3464 Brand: Eaton MPN: QBHW3050H UPC: 786679393451 Shipping Weight: 1.10 lbs. Shipping...- SKU:
- C15-3464
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 50 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21510611
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $689.77Surplus $117.14 -
Cutler Hammer CHB350 Miniature Circuit Breakers (MCBs) CHB 3P 50A 120/240V 50/60Hz 3Ph EA
MSRP $592.00Surplus $638.40Cutler Hammer CHB350 Miniature Circuit Breakers (MCBs) CHB 3P 50A 120/240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3521 Brand: Cutler Hammer MPN: CHB350 UPC: 621037068339 Shipping Weight: 1.00 Shipping...- SKU:
- C15-3521
- Series:
- CHB
- Type:
- Molded Case
- Volts:
- 240 V
- Amps:
- 32 A
- Used On:
- Type PB Panelboard
- Poles:
- 3
- Mounting:
- Bolt-On
- Short Description:
- 240 V, 50 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00009_WARR.pdf
- Interrupting Rating:
- 10 kA at 240 VAC
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 50 A
- Wire Size:
- 8 to 4 AWG
- Catalog:
- Eaton_03653_V12T3_9_CAT.pdf
- Approval:
- UL 489
- Country of Origin:
- United States
MSRP $592.00Surplus $638.40 -
North American Breaker Company BR350 Miniature Circuit Breakers (MCBs) EA
MSRP $337.57Surplus $28.66North American Breaker Company BR350 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-1262 Brand: North American Breaker Company MPN: BR350 UPC: 78667636790 Shipping Weight: 0.95 lbs...- SKU:
- C15-1262
- 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, 50 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493898
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $28.66 -
Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA
MSRP $341.00Surplus $117.20Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1060 Brand: Eaton MPN: BAB2050H UPC: 786679302521 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-1060
- TS PIK:
- 21508691
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Voltage Rating:
- 240 VAC
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Current Rating:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $341.00Surplus $117.20 -
Eaton BAB3050HS Miniature Circuit Breakers (MCBs) BA 3P 50A 120/240V 50/60Hz 3Ph
MSRP $735.00Surplus $371.77SKU: C15-1099 Brand: Eaton MPN: BAB3050HS UPC: 786679509678 Shipping Weight: 1.30 lbs. Shipping Height: 3.50 In. Shipping Length: 3.60 In. Shipping Width: 4.00 In...- SKU:
- C15-1099
- TS PIK:
- 107004137
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
- Mounting:
- Bolt-On
- Short Description:
- 240 VAC, 50 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Interrupting Rating:
- 10000 A at 240 VAC
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $735.00Surplus $371.77 -
Eaton QBHW2050H Miniature Circuit Breakers (MCBs)
MSRP $534.15Surplus $138.31SKU: C15-1650 Brand: Eaton MPN: QBHW2050H UPC: 786679152560 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1650
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 50 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21505487
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $534.15Surplus $138.31 -
Eaton QC3050HT Miniature Circuit Breakers (MCBs) EA
MSRP $692.48Surplus $140.80SKU: C15-5263 Brand: Eaton MPN: QC3050HT UPC: 78667982706 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5263
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 3.2 Inch Width x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Front
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 240 VAC, 50 A, 3-Pole, 10 kA, Ring/Spade Lug Terminal, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- TS PIK:
- 21516567
- Country of Origin:
- Dominican Republic
MSRP $692.48Surplus $140.80 -
Siemens B350H Miniature Circuit Breakers (MCBs) 3P 50A
MSRP $944.00Surplus $141.71Siemens B350H Miniature Circuit Breakers (MCBs) 3P 50A​ ARCA SKU: C15-6205 Brand: Siemens MPN: B350H UPC: 78364326402 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6205
- TS PIK:
- 115555115
- Short Description:
- 240 VAC, 50 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Interrupting Rating:
- 22 kA at 240 VAC
- Current Rating:
- 50 A
- Type:
- Molded Case
- Voltage Rating:
- 240 VAC
- Series:
- BLH
- Number of Poles:
- 3
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_05266_1_DATA.pdf
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $944.00Surplus $141.71
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