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 QOB120VHGFI Miniature Circuit Breakers (MCBs) EA
MSRP $676.57Surplus $104.77Square 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 $676.57Surplus $104.77 -
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Square D QOB125GFI Molded Case Breakers (MCCBs)
MSRP $250.90Surplus $213.45SKU: 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 $250.90Surplus $213.45 -
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Square D QOB130EPD Everything Else
MSRP $483.64Surplus $195.88SKU: 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 $483.64Surplus $195.88 -
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Square D QOB130GFI Miniature Circuit Breakers (MCBs)
MSRP $273.46Surplus $92.19SKU: 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 $273.46Surplus $92.19 -
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Square D QOB150 Everything Else
MSRP $43.89Surplus $35.31Square D QOB150 Everything Else​ ARCA SKU: C15-6389 Brand: Square D MPN: QOB150 UPC: 78590141680 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6389
- TS PIK:
- 111088422
- Series:
- QOB
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21277_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $43.89Surplus $35.31 -
Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA
MSRP $329.43Surplus $94.13Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9374 Brand: Square D MPN: QOM100VH8106 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9374
- TS PIK:
- 122966518
- Data Sheet:
- SchneiderElectric-SquareD_05139_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, 12 to 2/0 AWG Aluminum/Copper, Bolt-On Mount, Miniature Circuit Breaker
- Wire Size:
- 12 to 2/0 AWG (Aluminum/Copper)
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- CAD Drawings:
- SchneiderElectric-SquareD_05485_1_CAD.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
- Approval:
- UL
MSRP $329.43Surplus $94.13 -
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THQB1120GF Miniature Circuit Breakers (MCBs) 1P 20A 120VAC
MSRP $313.10Surplus $217.26THQB1120GF 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 $313.10Surplus $217.26 -
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THQB1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $277.71Surplus $177.43THQB1120GFT 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 $277.71Surplus $177.43 -
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Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)
MSRP $148.38Surplus $41.64Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-11420 Brand: Westinghouse MPN: BAB1050 UPC: Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11420
- Type:
- Thermal Magnetic
- Series:
- BAB
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- 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 VDC, 3800 A at 62.5 VDC
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
MSRP $148.38Surplus $41.64
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