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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- Qty in Cart
- Price
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Eaton BAB3050H Miniature Circuit Breakers (MCBs) 3P 50A 240V EA
MSRP $462.43Surplus $84.00SKU: 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 $84.00 -
Eaton BAB2050 Miniature Circuit Breakers (MCBs) 2P 50A 240V EA
MSRP $151.20Surplus $30.19Eaton BAB2050 Miniature Circuit Breakers (MCBs) 2P 50A 240V EA​ ARCA SKU: C15-1059 Brand: Eaton MPN: BAB2050 UPC: 78667930250 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1059
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 5 kA at 24 to 48/62.5/80 Volt DC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- TS PIK:
- 21508690
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $151.20Surplus $30.19 -
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Eaton QBGFT2050 Miniature Circuit Breakers (MCBs) QB 2P 50A 240V 50/60Hz 1Ph
MSRP $840.00Surplus $422.94Eaton QBGFT2050 Miniature Circuit Breakers (MCBs) QB 2P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2892 Brand: Eaton MPN: QBGFT2050 UPC: 786676026697 Shipping Weight: 0.75 Shipping Height: 4.00...- SKU:
- C15-2892
- Approval:
- UL 489
- Amps:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 3.5 Inch Width x 6.5 Inch Depth x 2 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Trip Sensitivity:
- 5 Milliamp
- Type:
- Common Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Gauge:
- 8 to 6 AWG Copper
- Gauge:
- 6 to 4 AWG Aluminum
- Specification/Technical:
- Eaton_33244_1_SPEC.pdf
- Short Description:
- EATON QB GFCI CIRCUIT BREAKER,GROUND FAULT CIRCUIT BREAKER,50A,10 kAIC,TWO-POLE,
- Current Rating:
- 50 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Wire Size:
- 8 to 6 AWG Copper, 6 to 4 AWG Aluminum
MSRP $840.00Surplus $422.94 -
Eaton QBGFEP2050 Miniature Circuit Breakers (MCBs) EA
MSRP $1,417.00Surplus $420.28SKU: C15-9661 Brand: Eaton MPN: QBGFEP2050 UPC: 78667914520 Shipping Weight: 0.85 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9661
- TS PIK:
- 106998263
- Size:
- 3 Inch Width x 5.8 Inch Depth x 4.4 Inch Height
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Equipment Breaker, Miniature
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 14 to 8 AWG Copper (Standard Load)
- Current Rating:
- 50 A
- Number of Poles:
- 2
MSRP $1,417.00Surplus $420.28 -
Eaton BAB2050S Miniature Circuit Breakers (MCBs) BA 2P 50A 240V 50/60Hz 1Ph
MSRP $460.00Surplus $171.57SKU: C15-1061 Brand: Eaton MPN: BAB2050S UPC: 786679313053 Shipping Weight: 0.90 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-1061
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $460.00Surplus $171.57 -
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Eaton EGE3050FFB Molded Case Breakers (MCCBs) EA
MSRP $919.29Surplus $415.48SKU: C15-5243 Brand: Eaton MPN: EGE3050FFB UPC: 78668567594 Shipping Weight: 2.65 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-5243
- Approval:
- UL
- Approval:
- CSA
- Approval:
- CE
- Amps:
- 50 A
- Interrupting Rating:
- 18 kA at 600 Star/347 V AC
- Interrupting Rating:
- 25 Kiloamp at 415 Volt AC
- Interrupting Rating:
- 25 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 240 Volt AC
- Mounting:
- Bolt-On
- Poles:
- 3
- Size:
- 3 Inch Width x 2.99 Inch Depth x 5.5 Inch Height
- Terminal Type:
- Molded Case
- Type:
- Fixed Thermal Magnetic
- Used On:
- 0
- Volts:
- 600 Star/347 VAC at 50/60 Hertz
- Volts:
- 240/415/480 VAC at 50/60 Hertz
- Gauge:
- 0
- Short Description:
- 347/600 VAC 50/60 Hz 3-Phase, 50 A, 3-Pole, 18 kA, Bolt-On Mount, Fixed Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- G, EGE
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 600 Star/347 V AC, 240/415/480 V AC at 50/60 Hertz
- Catalog:
- Eaton_36690_4_14_4_15_CAT.pdf
- Installation/Operator:
- Eaton_00042_INST.pdf
MSRP $919.29Surplus $415.48 -
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 -
Contact Us For Quote
Eaton CHB250 Miniature Circuit Breakers (MCBs) CHB 2P 50A 240V 50/60Hz 1Ph EA
MSRP $417.00Surplus $180.88Eaton CHB250 Miniature Circuit Breakers (MCBs) CHB 2P 50A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1518 Brand: Eaton MPN: CHB250 UPC: 782113112503 Shipping Weight: 0.55 Shipping Height: 2.00 In...- SKU:
- C15-1518
- Series:
- CHB
- Type:
- Main
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- PB Series Panel board
- Poles:
- 2
- Mounting:
- Bolt-On
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Bolt-On Mount, Molded Case
- Data Sheet:
- SchneiderElectric-SquareD_15300_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00344_INST.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_17868_1_CAD.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
MSRP $417.00Surplus $180.88 -
Eaton BAB1050 Miniature Circuit Breakers (MCBs) 1P 50A 120V EA
MSRP $68.42Surplus $20.21Eaton BAB1050 Miniature Circuit Breakers (MCBs) 1P 50A 120V EA​ ARCA SKU: C15-1029 Brand: Eaton MPN: BAB1050 UPC: 78667930150 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-1029
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48 VDC
- Interrupting Rating:
- 3800 A at 62.5 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Current Rating:
- 50 A
- Country of Origin:
- Dominican Republic
MSRP $68.42Surplus $20.21 -
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
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
MSRP $735.00Surplus $371.77 -
Eaton QBH50 Miniature Circuit Breakers (MCBs)
MSRP $43.00Surplus $5.39SKU: C15-11578 Brand: Eaton MPN: QBH50 UPC: 62258800742 Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11578
- TS PIK:
- 115729814
- Short Description:
- 120 VAC, 50 A, 1-Pole, 10 kA, Bolt-On Mount, Circuit Breaker
- Number of Poles:
- 1
- Voltage Rating:
- 120 V AC
- Interrupting Rating:
- 10 kA at 120 V AC
- Catalog:
- Eaton_29290_63_CAT.pdf
- Wire Size:
- 10 to 2 AWG (Copper), 10 to 1 AWG (Aluminum)
- Current Rating:
- 50 A
- Used On:
- Loadcenter, Lighting and Distribution Panel Board, Meter Centre
- Series:
- QBH
- Mounting:
- Bolt-On
MSRP $43.00Surplus $5.39 -
Eaton QBHW1050 Miniature Circuit Breakers (MCBs) 1P 50A 240V EA
MSRP $122.00Surplus $40.21Eaton QBHW1050 Miniature Circuit Breakers (MCBs) 1P 50A 240V EA​ ARCA SKU: C15-3443 Brand: Eaton MPN: QBHW1050 UPC: 786679392300 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3443
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 50 A
- Interrupting Rating:
- 22000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Amp at 24 to 48 Volt DC
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 1.2 Inch Width x 3.6 Inch Depth x 3.2 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 120/240 VAC, 50 A, 22 kA Interrupt, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Type QBHW, Non-Interchangeable Industrial Circuit Breaker
- TS PIK:
- 21510587
- Current Rating:
- 50 A
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- EatonCorp_00004_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $122.00Surplus $40.21 -
Eaton QBHW2050 Miniature Circuit Breakers (MCBs) 2P 50A 240V EA
MSRP $290.26Surplus $42.62Eaton QBHW2050 Miniature Circuit Breakers (MCBs) 2P 50A 240V EA​ ARCA SKU: C15-1652 Brand: Eaton MPN: QBHW2050 UPC: 786679392805 Shipping Weight: 0.70 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1652
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 2.1 Inch Width x 4.8 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Extended Tang Line
- Terminal Type:
- Box Lug Load
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120/240 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
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $290.26Surplus $42.62 -
Eaton QBHW2050H Miniature Circuit Breakers (MCBs)
MSRP $534.15Surplus $167.38SKU: 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
MSRP $534.15Surplus $167.38
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