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 QOB115GFI Miniature Circuit Breakers (MCBs) 15A 120V
MSRP $248.00Surplus $86.47Square D QOB115GFI Miniature Circuit Breakers (MCBs) 15A 120V​ ARCA SKU: C15-6384 Brand: Square D MPN: QOB115GFI UPC: 78590136870 Shipping Weight: 0.50 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6384
- TS PIK:
- 124023841
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQOD Panelboard/Interior
- Terminal Type:
- Pressure Plate
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Current Rating:
- 15 A
- Series:
- QOB-GFI
- Short Description:
- 120 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_15104_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Equipment Protector
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Mounting:
- Bolt-On
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
MSRP $248.00Surplus $86.47 -
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Square D QOB115AFI Molded Case Breakers (MCCBs)
MSRP $159.39Surplus $43.04SKU: C15-17811 Brand: Square D MPN: QOB115AFI UPC: 78590148589 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17811
- Interrupting Rating:
- 10 kA
- Series:
- QOB-AFI
- Prop 65 Warning:
- Yes
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQ and NQOD Panelboard/Interior
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Terminal Type:
- Pressure Plate
- Poles:
- 1
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, Arc Fault, Miniature Circuit Breaker
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Approval:
- UL, CSA
- Current Rating:
- 15 A
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_15103_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00217_INST.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_17843_1_CAD.pdf
- Application:
- HACR
MSRP $159.39Surplus $43.04 -
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Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA
MSRP $261.00Surplus $186.20Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10990 Brand: Square D MPN: QOB120AFI UPC: Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-10990
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, Arc Fault, Miniature Circuit Breaker
- Series:
- QOB-AFI
- Terminal Type:
- Pressure Plate
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Current Rating:
- 20 A
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_15109_1_2_DATA.pdf
- Used On:
- NQ and NQOD Panelboard/Interior
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- CAD Drawings:
- SchneiderElectric-SquareD_03066_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00217_INST.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 1
- Construction Feature:
- ARC Fault Circuit Interrupter
- Prop 65 Warning:
- Yes
- Approval:
- UL, CSA
- Poles:
- 1
- Application:
- HACR
MSRP $261.00Surplus $186.20 -
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Square D QOB120HM Molded Case Breakers (MCCBs)
MSRP $67.00Surplus $18.09SKU: C15-17827 Brand: Square D MPN: QOB120HM UPC: 78590134171 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17827
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Series:
- QOB-HM
- Installation/Operator:
- SchneiderElectric-SquareD_00832_INST.pdf
- Used On:
- NQ and NQOD Panelboard/Interior
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Mounting:
- Bolt-On
- Poles:
- 1
- Type:
- High Magnetic
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_15114_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Application:
- HACR, Dimmer, Fluorescent Lighting
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, High Magnetic Trip, Miniature Circuit Breaker
MSRP $67.00Surplus $18.09 -
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Square D QOB120VHCAFI Molded Case Breakers (MCCBs)
MSRP $960.99Surplus $259.47SKU: C15-17830 Brand: Square D MPN: QOB120VHCAFI UPC: 78590167791 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17830
- Current Rating:
- 20 A
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Type:
- Thermal Magnetic
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 22 kA
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_15117_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03283_9_16_CAT.pdf
- Used On:
- NQ and NQOD Panelboard/Interior
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Poles:
- 1
- Mounting:
- Bolt-On
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Short Description:
- 120 VAC, 20 A, 22 kA, 1-Pole, Bolt-On Mount, Combination ARC Fault Circuit Interrupter
- Installation/Operator:
- SchneiderElectric-SquareD_00197_INST.pdf
- Series:
- QOB-AFI
MSRP $960.99Surplus $259.47 -
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Square D QOB125GFI Molded Case Breakers (MCCBs)
MSRP $184.31Surplus $156.80SKU: C15-10908 Brand: Square D MPN: QOB125GFI UPC: 78590136872 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10908
- TS PIK:
- 111088220
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_15120_1_2_DATA.pdf
- Current Rating:
- 25 A
- Type:
- Thermal Magnetic, Equipment Protector
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Approval:
- UL, CSA
- Used On:
- NQOD Panelboard/Interior
- Number of Poles:
- 1
- Short Description:
- 120 VAC 50/60 Hz, 25 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Mounting:
- Bolt-On
- Terminal Type:
- Pressure Plate
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Interrupting Rating:
- 10 kA
- Series:
- QOB-GFI
MSRP $184.31Surplus $156.80 -
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Square D QOB130EPD Everything Else
MSRP $355.28Surplus $143.89SKU: C15-6387 Brand: Square D MPN: QOB130EPD UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6387
- TS PIK:
- 124024777
- Prop 65 Warning:
- Yes
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00881_INST.pdf
- Approval:
- UL, CSA
- Series:
- QOB-EPD
- Terminal Type:
- Pressure Plate
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_15124_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQOD Panelboard/Interior
- Type:
- Thermal Magnetic, Equipment Protector
- Current Rating:
- 30 A
- Mounting:
- Bolt-On
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
MSRP $355.28Surplus $143.89 -
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Square D QOB130GFI Miniature Circuit Breakers (MCBs)
MSRP $200.88Surplus $67.72SKU: C15-6463 Brand: Square D MPN: QOB130GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6463
- TS PIK:
- 21032441
- Current Rating:
- 30 A
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Used On:
- NQOD Panelboard/Interior
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Interrupting Rating:
- 10 kA
- Trip Sensitivity:
- 6 MilliA
- Data Sheet:
- SchneiderElectric-SquareD_15125_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Equipment Protector
- Prop 65 Warning:
- Yes
- Number of Poles:
- 1
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Mounting:
- Bolt-On
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Series:
- QOB-GFI
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Terminal Type:
- Pressure Plate
MSRP $200.88Surplus $67.72 -
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Square D QOB215SWN Molded Case Breakers (MCCBs)
MSRP $218.00Surplus $58.86SKU: C15-17857 Brand: Square D MPN: QOB215SWN UPC: 78590134176 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17857
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Interrupting Rating:
- 10 kA
- Poles:
- 2
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQ and NQOD Panelboard/Interior
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_15149_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Mounting:
- Bolt-On
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Catalog:
- SchneiderElectric-SquareD_03283_9_15_CAT.pdf
- Short Description:
- 120 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
- Approval:
- UL, CSA
- Current Rating:
- 15 A
- Series:
- QO-SWN
MSRP $218.00Surplus $58.86 -
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Square D QOB220SWN Molded Case Breakers (MCCBs)
MSRP $225.00Surplus $60.75SKU: C15-17864 Brand: Square D MPN: QOB220SWN UPC: 78590134178 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17864
- Current Rating:
- 20 A
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Series:
- QO-SWN
- Short Description:
- 120 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Used On:
- NQ and NQOD Panelboard/Interior
- Data Sheet:
- SchneiderElectric-SquareD_15155_1_2_DATA.pdf
- Type:
- Thermal Magnetic
- Poles:
- 2
- Terminal Type:
- Pressure Plate
- Mounting:
- Bolt-On
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_03283_9_15_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Interrupting Rating:
- 10 kA
MSRP $225.00Surplus $60.75
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