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 QOB120GFI Miniature Circuit Breakers (MCBs)
MSRP $200.88Surplus $91.65Square D QOB120GFI Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6593 Brand: Square D MPN: QOB120GFI UPC: 78590136871 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6593
- TS PIK:
- 111088219
- Used On:
- NQ Panelboard/Interior
- Series:
- QOB-GFI
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15112_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC
- Short Description:
- 120 VAC 50/60 Hz, 20 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
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Current Rating:
- 20 A
- Terminal Type:
- Pressure Plate
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Mounting:
- Bolt-On
- Type:
- Miniature, Thermal Magnetic
- Country of Origin:
- United States
- Trip Sensitivity:
- 6 MilliA
- Approval:
- UL, CSA
MSRP $200.88Surplus $91.65 -
Square D QO120GFI Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph
MSRP $257.00Surplus $68.60Square D QO120GFI Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4830 Brand: Square D MPN: QO120GFI UPC: 785901255079 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-4830
- Series:
- QO-GFI
- Type:
- Ground Fault
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Volts:
- 120 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- Load Center
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Copper)
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Trip Sensitivity:
- 6 MilliA
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, Pressure Plate Terminal, Plug-In Mount, Ground Fault
- Catalog:
- SchneiderElectric-SquareD_03264_1_5_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Voltage Rating:
- 120 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $257.00Surplus $68.60 -
Square D HOM120DF Miniature Circuit Breakers (MCBs) HOM 1P 20A 120V 50/60Hz 1Ph
MSRP $330.00Surplus $65.80Square D HOM120DF Miniature Circuit Breakers (MCBs) HOM 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2685 Brand: Square D MPN: HOM120DF UPC: 785901741367 Shipping Weight: 0.60 Shipping Height: 1...- SKU:
- C15-2685
- Series:
- HOM-DF
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL
- Size:
- 1 Inch W x 2.98 Inch D x 3.13 Inch H
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Homeline Loadcenter
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw ClA
- Wire Size:
- (1) 14 to 8 AWG (Copper/Aluminum)
- Wire Size:
- (2) 14 to 10 AWG (Copper)
- Trip Sensitivity:
- 6 MilliA
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-In Mount, Clamp Terminal
- Catalog:
- SchneiderElectric-SquareD_03264_1_20_CAT.pdf
- Current Rating:
- 20 A
- Data Sheet:
- SchneiderElectric-SquareD_08737_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_00001_INST.pdf
- Country of Origin:
- United States
MSRP $330.00Surplus $65.80 -
Square D HOM120EPD Miniature Circuit Breakers (MCBs) EA
MSRP $374.00Surplus $222.95SKU: C15-10763 Brand: Square D MPN: HOM120EPD UPC: 78590163650 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10763
- TS PIK:
- 120731073
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), 14 to 10 AWG (Copper)
- Terminal Type:
- Screw ClA
- Data Sheet:
- SchneiderElectric-SquareD_13422_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00257_1_20_7_23_CAT.pdf
- Number of Poles:
- 1
- Type:
- Equipment Protector
- Mounting:
- Plug-On
- Used On:
- Load Center
- Installation/Operator:
- SchneiderElectric-SquareD_00203_INST.pdf
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, Screw ClA Terminal, Miniature Circuit Breaker
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120 VAC
- Approval:
- UL
- Country of Origin:
- Mexico
MSRP $374.00Surplus $222.95 -
Square D HOM120GFI Molded Case Breakers (MCCBs)
MSRP $212.00Surplus $83.70SKU: C15-6616 Brand: Square D MPN: HOM120GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6616
- TS PIK:
- 21356164
- Size:
- 1 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, Screw ClA Terminal, Plug-On Mount, Ground Fault, Miniature Circuit Breaker
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Series:
- HOM-GFI
- Type:
- Miniature, Thermal Magnetic
- Installation/Operator:
- SchneiderElectric-SquareD_00202_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_03264_1_19_CAT.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Terminal Type:
- Screw ClA
- Country of Origin:
- Mexico
- Used On:
- Loadcenter
- Mounting:
- Plug-On
- Wire Size:
- 14 to 10 AWG (Aluminum/Copper)
- Approval:
- UL, CSA
MSRP $212.00Surplus $83.70 -
Square D HOM120PDF Miniature Circuit Breakers (MCBs) EA
MSRP $307.00Surplus $119.00SKU: C15-10764 Brand: Square D MPN: HOM120PDF UPC: 78590197834 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10764
- TS PIK:
- 125681274
- Data Sheet:
- SchneiderElectric_04331_1_2_DATA.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Mounting:
- Plug-On
- Size:
- 1 Inch W x 2.98 Inch D x 3.13 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_20_CAT.pdf
- Series:
- HOM-DF
- Short Description:
- 120 VAC, 20 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, ClA Terminal, Miniature Circuit Breaker
- Type:
- Miniature, Thermal Magnetic
- Number of Poles:
- 1
- Used On:
- Homeline Loadcenter
- Terminal Type:
- Screw ClA
- Interrupting Rating:
- 10 kA
- Wire Size:
- (1) 14 to 8 AWG (Copper/Aluminum), (2) 14 to 10 AWG (Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00001_INST.pdf
- Approval:
- UL
- Trip Sensitivity:
- 6 MilliA
- Country of Origin:
- Mexico
MSRP $307.00Surplus $119.00 -
Square D QO115GFI Molded Case Breakers (MCCBs)
MSRP $198.52Surplus $82.46Square D QO115GFI Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6448 Brand: Square D MPN: QO115GFI UPC: 78590125506 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6448
- TS PIK:
- 595724
- Terminal Type:
- Pressure Plate
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Current Rating:
- 15 A
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Series:
- QO
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120 VAC
- Catalog:
- SchneiderElectric-SquareD_03264_1_5_CAT.pdf
- Short Description:
- 120 VAC, 15 A, 10 kA, 1-Pole, Pressure Plate Terminal, Plug-On Mount, Ground Fault, Miniature Circuit Breaker
- Number of Poles:
- 1
- Country of Origin:
- Mexico
- Mounting:
- Plug-On
- Used On:
- Load Center
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Approval:
- UL, CSA
MSRP $198.52Surplus $82.46 -
Square D QO120AFI Miniature Circuit Breakers (MCBs)
MSRP $240.00Surplus $128.70Square D QO120AFI Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-2174 Brand: Square D MPN: QO120AFI UPC: 78590130130 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2174
- Series:
- QO-AFI
- Type:
- Class RK5 Rejection
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- Load Center
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Pressure Plate
- Application:
- HACR
- Wire Size:
- 14 to 8 AWG (Copper)
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Poles:
- 1
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Plug-In Mount, 1-Panel Space, Pressure Plate Terminal, Arc Fault, Pigtail
- CAD Drawing:
- Mersen_00176_1_CAD.pdf
- TS PIK:
- 115773629
- Data Sheet:
- SchneiderElectric-SquareD_14839_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00217_INST.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $240.00Surplus $128.70 -
Square D QO120EPD Miniature Circuit Breakers (MCBs)
Surplus $206.55SKU: C15-8609 Brand: Square D MPN: QO120EPD UPC: 78312603785 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8609
- TS PIK:
- 21331550
- Data Sheet:
- SchneiderElectric-SquareD_14840_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03264_1_6_CAT.pdf
- Type:
- Miniature, Thermal Magnetic, Equipment Protector
- Short Description:
- 120 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, 1-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Terminal Type:
- Pressure Plate
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Series:
- QO-EPD
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_00881_INST.pdf
- Voltage Rating:
- 120 VAC
- Used On:
- QO Loadcenter, NQ Panelboard, NQ OEM Interior/Speed-D Switchboard Distribution Panel
- Interrupting Rating:
- 10 kA
- Trip Sensitivity:
- 30 MilliA
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
Surplus $206.55 -
Square D QO130EPD Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph
MSRP $557.00Surplus $305.90Square D QO130EPD Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph​ ARCA SKU: C15-3365 Brand: Square D MPN: QO130EPD UPC: 785901763871 Shipping Weight: 0.55 Shipping Height: 2...- SKU:
- C15-3365
- Series:
- QO-EPD
- Type:
- Miniature
- Type:
- Thermal Magnetic
- Type:
- Equipment Protector
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Used On:
- QO Loadcenter
- Used On:
- NQ Panelboard
- Used On:
- NQ OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Wire Size:
- 14 to 8 AWG (Copper)
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Plug-In Mount, 1-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault
- Catalog:
- SchneiderElectric-SquareD_03264_1_6_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14868_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00881_INST.pdf
- Voltage Rating:
- 120 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Country of Origin:
- Mexico
- Prop 65 Warning:
- Yes
MSRP $557.00Surplus $305.90 -
Square D QOB120VHGFI Miniature Circuit Breakers (MCBs) EA
MSRP $497.00Surplus $175.50Square 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 $175.50
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