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 QOB220VH Miniature Circuit Breakers (MCBs)
MSRP $251.40Surplus $105.11Square D QOB220VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6392 Brand: Square D MPN: QOB220VH UPC: 78590137192 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6392
- TS PIK:
- 126495458
- Used On:
- NQ Panelboard
- Interrupting Rating:
- 22 kA at 240 VAC
- Short Description:
- 240 VAC 50/60 Hz, 20 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Series:
- QOB-VH
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric_21312_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Type:
- Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $251.40Surplus $105.11 -
Square D QOB2125VH Miniature Circuit Breakers (MCBs)
MSRP $1,631.93Surplus $651.79Square D QOB2125VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6466 Brand: Square D MPN: QOB2125VH UPC: 78590112065 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6466
- TS PIK:
- 21032611
- Short Description:
- 240 VAC 50/60 Hz, 125 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_02167_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Interrupting Rating:
- 22 kA at 240 VAC
- Used On:
- NQ Panelboard
- Data Sheet:
- SchneiderElectric_21294_1_2_DATA.pdf
- Current Rating:
- 125 A
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Series:
- QOB-VH
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $1,631.93Surplus $651.79 -
Square D QBA221002 Molded Case Breakers (MCCBs)
MSRP $775.94Surplus $680.65SKU: C15-10841 Brand: Square D MPN: QBA221002 UPC: 78590140513 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10841
- TS PIK:
- 119493609
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 10 kA, 2-Pole, Q-Frame, AC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Series:
- QB
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Current Rating:
- 100 A
- Data Sheet:
- SchneiderElectric_15621_1_2_DATA.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Trip Setting:
- 1200 to 2400 A
- Application:
- Power Distribution
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA at 240 VAC
- Approval:
- UL, CSA
MSRP $775.94Surplus $680.65 -
Square D QBA221251 Molded Case Breakers (MCCBs)
MSRP $691.54Surplus $186.72SKU: C15-17579 Brand: Square D MPN: QBA221251 UPC: 78590140380 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17579
- Type:
- Thermal Magnetic
- Series:
- QB
- Short Description:
- 240 VAC 50/60 Hz, 125 A, 10 kA, 2-Pole, Q-Frame, AB Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL, CSA
- Interrupting Rating:
- 10 kA at 240 VAC
- Application:
- Power Distribution
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Data Sheet:
- SchneiderElectric_15624_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Current Rating:
- 125 A
- Trip Setting:
- 1200 to 2400 A
MSRP $691.54Surplus $186.72 -
Square D QDA221002 Molded Case Breakers (MCCBs)
MSRP $1,456.59Surplus $968.63SKU: U00-8532 Brand: Square D MPN: QDA221002 UPC: 78590170196 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8532
- Interrupting Rating:
- 25 kA at 240 VAC
- Application:
- Power Distribution
- Type:
- Thermal Magnetic
- Trip Setting:
- 1200 to 2400 A
- Current Rating:
- 100 A
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 25 kA, 2-Pole, Q-Frame, AC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Series:
- QD
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric_15681_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL, CSA
MSRP $1,456.59Surplus $968.63 -
Square D QDA221252 Molded Case Breakers (MCCBs)
MSRP $1,756.89Surplus $474.36SKU: C15-17617 Brand: Square D MPN: QDA221252 UPC: 78590142122 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17617
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Application:
- Power Distribution
- Data Sheet:
- SchneiderElectric_15687_1_2_DATA.pdf
- Approval:
- UL, CSA
- Trip Setting:
- 1200 to 2400 A
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Series:
- QD
- Prop 65 Warning:
- Yes
- Current Rating:
- 125 A
- Short Description:
- 240 VAC 50/60 Hz, 125 A, 25 kA, 2-Pole, Q-Frame, AC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Interrupting Rating:
- 25 kA at 240 VAC
- Number of Poles:
- 2
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Type:
- Thermal Magnetic
MSRP $1,756.89Surplus $474.36 -
Square D QDA222001 Molded Case Breakers (MCCBs)
MSRP $1,521.93Surplus $1,012.09SKU: C15-10851 Brand: Square D MPN: QDA222001 UPC: 78590167766 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10851
- TS PIK:
- 119870435
- Series:
- QD
- Number of Poles:
- 2
- Prop 65 Warning:
- Yes
- Current Rating:
- 200 A
- Type:
- Thermal Magnetic
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Short Description:
- 240 VAC 50/60 Hz, 200 A, 25 kA, 2-Pole, Q-Frame, AB Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Interrupting Rating:
- 25 kA at 240 VAC
- Trip Setting:
- 1200 to 2400 A
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Approval:
- UL, CSA
- Used On:
- I-Line Panelboard and Switchboard
- Application:
- Power Distribution
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Data Sheet:
- SchneiderElectric_15695_1_2_DATA.pdf
MSRP $1,521.93Surplus $1,012.09 -
Square D QDA222251 Molded Case Breakers (MCCBs)
MSRP $463.89Surplus $1,012.09SKU: C15-10852 Brand: Square D MPN: QDA222251 UPC: 78590194919 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10852
- TS PIK:
- 119870469
- Short Description:
- 240 VAC 50/60 Hz, 225 A, 25 kA, 2-Pole, Q-Frame, AB Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Current Rating:
- 225 A
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
- Series:
- QD
- Data Sheet:
- SchneiderElectric_15699_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Interrupting Rating:
- 25 kA at 240 VAC
- Approval:
- UL, CSA
- Used On:
- I-Line Panelboard and Switchboard
- Number of Poles:
- 2
- Trip Setting:
- 1200 to 2400 A
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Application:
- Power Distribution
- Type:
- Thermal Magnetic
MSRP $463.89Surplus $1,012.09 -
Square D QDA222252 Molded Case Breakers (MCCBs)
MSRP $1,952.10Surplus $527.07SKU: C15-17619 Brand: Square D MPN: QDA222252 UPC: 78590159464 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17619
- Short Description:
- 240 VAC 50/60 Hz, 225 A, 25 kA, 2-Pole, Q-Frame, AC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- CAD Drawings:
- SchneiderElectric_30258_1_CAD.pdf
- Current Rating:
- 225 A
- Prop 65 Warning:
- Yes
- Trip Setting:
- 1200 to 2400 A
- Number of Poles:
- 2
- Series:
- QD
- Used On:
- I-Line Panelboard and Switchboard
- Installation/Operator:
- SchneiderElectric-SquareD_02030_INST.pdf
- Application:
- Power Distribution
- Interrupting Rating:
- 25 kA at 240 VAC
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Approval:
- UL, CSA
- Type:
- Thermal Magnetic
- Data Sheet:
- SchneiderElectric_15700_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_57_CAT.pdf
MSRP $1,952.10Surplus $527.07 -
Square D QOB2100VH Miniature Circuit Breakers (MCBs) EA
MSRP $564.94Surplus $278.82SKU: C15-10911 Brand: Square D MPN: QOB2100VH UPC: 78590105475 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10911
- TS PIK:
- 121283840
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Interrupting Rating:
- 22 kA at 240 VAC
- Type:
- Miniature, Standard
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Current Rating:
- 100 A
- Number of Poles:
- 2
- Series:
- QOB-VH
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Data Sheet:
- SchneiderElectric_21289_1_2_DATA.pdf
- Installation:
- Bolt-On
- Approval:
- UL, CSA
MSRP $564.94Surplus $278.82 -
Square D QOB2150VH Miniature Circuit Breakers (MCBs)
MSRP $1,798.06Surplus $1,023.11SKU: C15-7778 Brand: Square D MPN: QOB2150VH UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7778
- TS PIK:
- 21332395
- Series:
- QOB-VH
- Used On:
- NQ Panelboard
- Short Description:
- 240 VAC 50/60 Hz, 150 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Current Rating:
- 150 A
- Data Sheet:
- SchneiderElectric_21296_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Type:
- Miniature, Standard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Interrupting Rating:
- 22 kA at 240 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 2
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $1,798.06Surplus $1,023.11 -
Square D QOB250VH Molded Case Breakers (MCCBs)
MSRP $171.52Surplus $114.06SKU: U00-8589 Brand: Square D MPN: QOB250VH UPC: 78590105477 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8589
- Series:
- QOB-VH
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Approval:
- UL, CSA
- Type:
- Miniature, Standard
- Interrupting Rating:
- 22 kA at 240 VAC
- Data Sheet:
- SchneiderElectric_21342_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Installation:
- Bolt-On
- Short Description:
- 240 VAC 50/60 Hz, 50 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
MSRP $171.52Surplus $114.06
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