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
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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 -
Square D QOB120VHGFI Miniature Circuit Breakers (MCBs) EA
MSRP $497.00Surplus $76.96Square D QOB120VHGFI Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6594 Brand: Square D MPN: QOB120VHGFI UPC: 78590152071 Shipping Weight: 0.45 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6594
- Current Rating:
- 20 A
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Series:
- QO
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15118_1_2_DATA.pdf
- Used On:
- Panelboard
- Short Description:
- 120 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Number of Poles:
- 1
- Interrupting Rating:
- 22 kA
- Type:
- Miniature
- Mounting:
- Bolt-On
- Voltage Rating:
- 120 VAC
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
- Terminal Type:
- Pressure Plate
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
- Trip Sensitivity:
- 6 MilliA
- Approval:
- UL, CSA
MSRP $497.00Surplus $76.96 -
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Square D QOB220EPD Miniature Circuit Breakers (MCBs)
MSRP $717.88Surplus $358.12SKU: C15-6654 Brand: Square D MPN: QOB220EPD UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6654
- Type:
- Miniature, Thermal Magnetic, Equipment Protector, Common Trip
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Series:
- QOB-EPD
- Voltage Rating:
- 120/240 VAC
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Prop 65 Warning:
- Yes
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Mounting:
- Bolt-On
- Terminal Type:
- Pressure Plate
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_15152_1_2_DATA.pdf
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Used On:
- NQ Panelboard/Interior
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- TS PIK:
- 21354504
- Approval:
- UL, CSA
- Trip Sensitivity:
- 30 MilliA
MSRP $717.88Surplus $358.12 -
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Square D QOB220HID Molded Case Breakers (MCCBs)
MSRP $209.00Surplus $56.43SKU: C15-17862 Brand: Square D MPN: QOB220HID UPC: 78590136290 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17862
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, High Intensity Discharge, Miniature Circuit Breaker
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Type:
- Thermal Magnetic
- Terminal Type:
- Pressure Plate
- Used On:
- NQ and NQOD Panelboard/Interior
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Poles:
- 2
- Series:
- QOB-HID
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_15154_1_2_DATA.pdf
- Approval:
- UL, CSA
- Application:
- Fluorescent/HID Lighting
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Installation/Operator:
- SchneiderElectric-SquareD_00832_INST.pdf
- Current Rating:
- 20 A
MSRP $209.00Surplus $56.43 -
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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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Square D QOB320SWN Miniature Circuit Breakers (MCBs)
MSRP $132.39Surplus $134.99SKU: C15-8590 Brand: Square D MPN: QOB320SWN UPC: 78312601146 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8590
- TS PIK:
- 21330959
- Poles:
- 3
- Mounting:
- Bolt-On
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Terminal Type:
- Pressure Plate
- Construction Feature:
- Switching Neutral, Common Trip
- Used On:
- NQ and NQOD Panelboard/Interior
- Approval:
- UL, CSA
- Series:
- QO-SWN
- Current Rating:
- 20 A
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 3-Pole, Bolt-On Mount, 3-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SchneiderElectric-SquareD_15211_1_2_DATA.pdf
MSRP $132.39Surplus $134.99 -
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THHQB1120AF2 Miniature Circuit Breakers (MCBs)
MSRP $777.00Surplus $319.20THHQB1120AF2 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4035 Brand: MPN: THHQB1120AF2 UPC: 783164652895 Shipping Weight: 0.45 Shipping Height: 4.00 In. Shipping Length: 4...- SKU:
- C15-4035
- Series:
- THHQB
- Type:
- Fixed Thermal Magnetic
- Approval:
- UL
- Size:
- 1 Inch W x 2-3/8 Inch D x 3-9/32 Inch H
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- AL/AQ/ALC/AQC/Spectra Series Panelboard
- Used On:
- Residential Loadcenter
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Wire Size:
- 14 to 10 AWG (Copper/Aluminum)
- Poles:
- 1
- Construction Feature:
- Arc Fault Circuit Interrupter
- Short Description:
- 120/240 VAC, 20 A, 22 kA Interrupt, 1-Pole, 14 to 10 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Arc Fault
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_36_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
MSRP $777.00Surplus $319.20 -
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THQB1120GF Miniature Circuit Breakers (MCBs) 1P 20A 120VAC
MSRP $230.00Surplus $159.60THQB1120GF Miniature Circuit Breakers (MCBs) 1P 20A 120VAC​ ARCA SKU: C15-4218 Brand: MPN: THQB1120GF UPC: Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4218
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 20 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Poles:
- 1
- Size:
- 1 Inch Width x 2-3/8 Inch Depth x 3-9/32 Inch Height
- Terminal Type:
- Load Lug
- Type:
- Molded Case
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Used On:
- Load Center
- Used On:
- Lighting Panelboard
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 8 AWG (Copper)
- Gauge:
- 12 to 8 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 1-Pole, 10 kA, 14 to 8 AWG Copper, 12 to 8 AWG Aluminum, Bolt-On Mount, Molded Case, Thermal Magnetic, Self-Test, Ground Fault Circuit Breaker
- Series:
- THQB
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_36_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04199_1_CAD.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00124_INST.pdf
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
MSRP $230.00Surplus $159.60 -
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THQB1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $204.00Surplus $130.34THQB1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3652 Brand: MPN: THQB1120GFT UPC: 783164485479 Shipping Weight: 0.50 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3652
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_36_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Series:
- THQB
- Current Rating:
- 20 A
- Used On:
- Load Center, Lighting Panel
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Approval:
- UL
MSRP $204.00Surplus $130.34 -
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Westinghouse BAB2020 Miniature Circuit Breakers (MCBs) EA
MSRP $151.20Surplus $58.52Westinghouse 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
MSRP $151.20Surplus $58.52
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