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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Square D QOB240EPD Miniature Circuit Breakers (MCBs)
MSRP $977.25Surplus $330.89Square D QOB240EPD Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6552 Brand: Square D MPN: QOB240EPD UPC: 78590111649 Shipping Weight: 1.05 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6552
- TS PIK:
- 109594863
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Current Rating:
- 40 A
- Type:
- Thermal Magnetic, Miniature
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Used On:
- NQ/NQOD Panelboard
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Data Sheet:
- SchneiderElectric-SquareD_15170_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
- Trip Sensitivity:
- 30 MilliA
- Approval:
- UL, CSA
MSRP $977.25Surplus $330.89 -
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Square D QOB240GFI Molded Case Breakers (MCCBs)
MSRP $888.93Surplus $240.01SKU: C15-18870 Brand: Square D MPN: QOB240GFI UPC: 78590136295 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18870
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Prop 65 Warning:
- Yes
- Used On:
- NQOD Panelboard/Interior
- Series:
- QOB-GFI
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Terminal Type:
- Box Lug
- Data Sheet:
- SchneiderElectric-SquareD_15171_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
MSRP $888.93Surplus $240.01 -
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Square D QOB250GFI Miniature Circuit Breakers (MCBs)
MSRP $809.97Surplus $182.85SKU: C15-10914 Brand: Square D MPN: QOB250GFI UPC: 78590136297 Shipping Weight: 1.05 lbs. Shipping Height: 6.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-10914
- TS PIK:
- 115542999
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Number of Poles:
- 2
- Series:
- QOB-GFI
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Prop 65 Warning:
- Yes
- Interrupting Rating:
- 10 kA
- Current Rating:
- 50 A
- Mounting:
- Bolt-On
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQOD Panelboard/Interior
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15177_1_2_DATA.pdf
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Trip Sensitivity:
- 6 MilliA
- Terminal Type:
- Box Lug
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Approval:
- UL, CSA
MSRP $809.97Surplus $182.85 -
Square D QOB260GFI Miniature Circuit Breakers (MCBs)
MSRP $604.42Surplus $295.66SKU: C15-10915 Brand: Square D MPN: QOB260GFI UPC: 78590136300 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10915
- TS PIK:
- 115773618
- Catalog:
- SchneiderElectric-SquareD_00101_11_CAT.pdf
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Short Description:
- 120/240 VAC, 60 A, 2-Pole, 10 kA, Bolt-On Mount, Box Lug Terminal, Thermal Magnetic, Common Trip, Equipment Protector, Miniature Circuit Breaker
- Series:
- QOB-GFI
- Data Sheet:
- SchneiderElectric-SquareD_05134_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Number of Poles:
- 2
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Current Rating:
- 60 A
- CAD Drawings:
- SchneiderElectric-SquareD_05483_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Used On:
- NQOD Panelboard/Interior
- Type:
- Thermal Magnetic, Common Trip, Equipment Protector
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
- Country of Origin:
- Mexico
MSRP $604.42Surplus $295.66 -
Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $246.99Surplus $95.96Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6395 Brand: Square D MPN: QOB270 UPC: 78590141704 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6395
- TS PIK:
- 124024938
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21348_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $246.99Surplus $95.96 -
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Square D QOM100VH Miniature Circuit Breakers (MCBs) QOM 2P 100A 120V 50/60Hz 1Ph
MSRP $273.62Surplus $182.96Square D QOM100VH Miniature Circuit Breakers (MCBs) QOM 2P 100A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2182 Brand: Square D MPN: QOM100VH UPC: 785901004035 Shipping Weight: 1.28 Shipping...- SKU:
- C15-2182
- Series:
- QOM
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5 Inch Width x 3.47 Inch Depth x 5.09 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- QO Load Center
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA Interrupt, 2-Pole, Bolt-On Mount
- Catalog:
- SchneiderElectric-SquareD_03264_1_10_1_22_1_24_1_39_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53489_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Voltage Rating:
- 240 VAC
MSRP $273.62Surplus $182.96 -
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Square D QOM2125MM Molded Case Breakers (MCCBs)
MSRP $1,212.92Surplus $327.49SKU: C15-17919 Brand: Square D MPN: QOM2125MM UPC: 78590132427 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17919
- Current Rating:
- 125 A
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SchneiderElectric-SquareD_08307_8_20_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 125 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, Lug Terminal, Main Circuit Breaker
- Series:
- QOM
- Used On:
- QO Load Center, Metering Equipment
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Type:
- Main
- Installation/Operator:
- SchneiderElectric-SquareD_00343_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15298_1_2_DATA.pdf
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric-SquareD_17868_1_CAD.pdf
MSRP $1,212.92Surplus $327.49 -
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Square D QOM2125VH Miniature Circuit Breakers (MCBs) QOM 2P 125A 120V 50/60Hz 1Ph
MSRP $637.09Surplus $396.41Square D QOM2125VH Miniature Circuit Breakers (MCBs) QOM 2P 125A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2220 Brand: Square D MPN: QOM2125VH UPC: 785901021971 Shipping Weight: 2.57 Shipping...- SKU:
- C15-2220
- Series:
- QOM
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Approval:
- IEC
- Size:
- 5.07 Inch Width x 3.6 Inch Depth x 5.6 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- QO Load Center
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 125 A, 22 kA Interrupt, 2-Pole, Bolt-On Mount, Lug Terminal
- Catalog:
- SchneiderElectric-SquareD_03264_1_10_1_23_1_24_1_35-1_37_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53504_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric-SquareD_17868_1_CAD.pdf
- Current Rating:
- 125 A
- Voltage Rating:
- 240 VAC
MSRP $637.09Surplus $396.41 -
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Square D QOM2200MM Main Breakers
MSRP $594.62Surplus $521.43SKU: U00-8598 Brand: Square D MPN: QOM2200MM UPC: 78590176522 Shipping Weight: 2.70 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- U00-8598
- TS PIK:
- 115543029
- Approval:
- UL, CSA
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC 50/60 Hz, 200 A, 10 kA, 2-Pole, Lug Terminal, Bolt-On Mount, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Current Rating:
- 200 A
- Used On:
- QO Load Center, Metering Equipment
- Voltage Rating:
- 120/240 VAC
- Series:
- QOM
- Type:
- Main
- Terminal Type:
- Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00344_INST.pdf
- Mounting:
- Bolt-On
MSRP $594.62Surplus $521.43 -
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Westinghouse BAB2020 Miniature Circuit Breakers (MCBs) EA
MSRP $205.83Surplus $79.66Westinghouse BAB2020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9426 Brand: Westinghouse MPN: BAB2020 UPC: Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9426
- TS PIK:
- 21508679
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Size:
- 2 Inch Width x 2.906 Inch Depth x 2.906 Inch Height
- Short Description:
- 2" x 2.906" x 2.906", 120/240 VAC, 20 A at 40 Deg C, 10000 A Interrupt, 2-Pole, Bolt-On, Thermal Magnetic, Circuit Breaker
- Series:
- BAB
- Interrupting Rating:
- 10000 A
- Current Rating:
- 20 A
- Catalog:
- EatonCorp_00004_V4T1_12_CAT.pdf
- Terminal Type:
- Bolt-On
- Mounting:
- Bolt-On
- Country of Origin:
- Dominican Republic
- Approval:
- UL, CSA
MSRP $205.83Surplus $79.66 -
Westinghouse BAB2060S Miniature Circuit Breakers (MCBs)
MSRP $282.31Surplus $91.81SKU: C15-11630 Brand: Westinghouse MPN: BAB2060S UPC: Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11630
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper, Load)
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Series:
- BAB
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Current Rating:
- 60 A
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Approval:
- UL 489, CSA
- Country of Origin:
- United States
MSRP $282.31Surplus $91.81
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