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 QOU3100 Miniature Circuit Breakers (MCBs)
MSRP $416.00Surplus $196.97SKU: C15-10932 Brand: Square D MPN: QOU3100 UPC: 78590106033 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10932
- TS PIK:
- 111081748
- Series:
- QOU
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 100 A, 10 kA Interrupt, 3-Pole, 12 to 2/0 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
- Interrupting Rating:
- 10 kA
- Current Rating:
- 100 A
- Number of Poles:
- 3
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 12 to 2/0 AWG (Copper/Aluminum)
- Type:
- Common Trip, Miniature, Standard
- Data Sheet:
- SchneiderElectric_21632_1_2_DATA.pdf
- Used On:
- OEM
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_20_7_21_CAT.pdf
MSRP $416.00Surplus $196.97 -
Square D QOU320 Miniature Circuit Breakers (MCBs)
MSRP $308.00Surplus $143.76SKU: C15-10933 Brand: Square D MPN: QOU320 UPC: 78590141889 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10933
- TS PIK:
- 111088453
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Series:
- QOU
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Used On:
- OEM
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21650_1_2_DATA.pdf
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Type:
- Miniature, Standard
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
MSRP $308.00Surplus $143.76 -
Square D QOU340 Miniature Circuit Breakers (MCBs)
MSRP $308.00Surplus $143.76SKU: C15-10934 Brand: Square D MPN: QOU340 UPC: 78590141895 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10934
- TS PIK:
- 111088455
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Series:
- QOU
- Current Rating:
- 40 A
- Interrupting Rating:
- 10 kA
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Terminal Type:
- Slotted Box Lug Line/Load
- Type:
- Miniature, Standard
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Used On:
- OEM
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21678_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Number of Poles:
- 3
MSRP $308.00Surplus $143.76 -
Square D QOU350 Miniature Circuit Breakers (MCBs)
MSRP $308.00Surplus $143.76SKU: C15-10936 Brand: Square D MPN: QOU350 UPC: 78590141898 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10936
- TS PIK:
- 111088456
- Number of Poles:
- 3
- Series:
- QOU
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Current Rating:
- 50 A
- Terminal Type:
- Slotted Box Lug Line/Load
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA
- Used On:
- OEM
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Type:
- Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21687_1_2_DATA.pdf
- Mounting:
- DIN Rail/Unit/Surface/Flush
MSRP $308.00Surplus $143.76 -
Square D QOU360 Miniature Circuit Breakers (MCBs)
MSRP $249.32Surplus $159.60Square D QOU360 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6683 Brand: Square D MPN: QOU360 UPC: 78590106029 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6683
- TS PIK:
- 111081744
- Current Rating:
- 60 A
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Used On:
- OEM
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric_21693_1_2_DATA.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Series:
- QOU
- Terminal Type:
- Slotted Box Lug Line/Load
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA
MSRP $249.32Surplus $159.60 -
Square D QOU370 Miniature Circuit Breakers (MCBs)
MSRP $393.00Surplus $174.10SKU: C15-10937 Brand: Square D MPN: QOU370 UPC: 78590106030 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10937
- TS PIK:
- 111081745
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Type:
- Miniature, Standard
- Series:
- QOU
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21701_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 70 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Mounting:
- DIN Rail/Unit/Surface/Flush
MSRP $393.00Surplus $174.10 -
Square D QOU380 Miniature Circuit Breakers (MCBs)
MSRP $450.00Surplus $204.45SKU: C15-10938 Brand: Square D MPN: QOU380 UPC: 78590106031 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10938
- TS PIK:
- 111081746
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 80 A, 10 kA Interrupt, 3-Pole, 12 to 2/0 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Type:
- Common Trip, Miniature, Standard
- Terminal Type:
- Slotted Box Lug Line/Load
- Series:
- QOU
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Current Rating:
- 80 A
- Catalog:
- SchneiderElectric-SquareD_32357_7_20_7_21_CAT.pdf
- Interrupting Rating:
- 10 kA
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21707_1_2_DATA.pdf
- Wire Size:
- 12 to 2/0 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
MSRP $450.00Surplus $204.45
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