
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 QOU2100 Miniature Circuit Breakers (MCBs)
MSRP $236.87Surplus $157.52SKU: C15-10925 Brand: Square D MPN: QOU2100 UPC: 78590106028 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10925
- TS PIK:
- 111081743
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 100 A, 10 kA Interrupt, 2-Pole, 12 to 2/0 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Current Rating:
- 100 A
- Catalog:
- SchneiderElectric-SquareD_32357_7_20_7_21_CAT.pdf
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Wire Size:
- 12 to 2/0 AWG (Copper/Aluminum)
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Series:
- QOU
- Interrupting Rating:
- 10 kA
- Type:
- Common Trip, Miniature, Standard
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21525_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $236.87Surplus $157.52 -
Square D QOU215 Miniature Circuit Breakers (MCBs)
MSRP $126.60Surplus $58.79SKU: C15-10926 Brand: Square D MPN: QOU215 UPC: 78590141865 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10926
- TS PIK:
- 111088445
- Series:
- QOU
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Type:
- Miniature, Standard
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Number of Poles:
- 2
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Used On:
- OEM
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SchneiderElectric_21538_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Current Rating:
- 15 A
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $126.60Surplus $58.79 -
Square D QOU220 Miniature Circuit Breakers (MCBs)
MSRP $101.95Surplus $54.66SKU: C15-6401 Brand: Square D MPN: QOU220 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6401
- TS PIK:
- 125439274
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Data Sheet:
- SchneiderElectric_21549_1_2_DATA.pdf
- Used On:
- OEM
- Current Rating:
- 20 A
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Series:
- QOU
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $101.95Surplus $54.66 -
Square D QOU235 Miniature Circuit Breakers (MCBs)
MSRP $125.87Surplus $72.42Square D QOU235 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8740 Brand: Square D MPN: QOU235 UPC: 78590148915 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8740
- TS PIK:
- 109594963
- Series:
- QOU
- Terminal Type:
- Slotted Box Lug Line/Load
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 35 A, 10 kA Interrupt, 2-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
- Type:
- Miniature, Standard
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SchneiderElectric_21579_1_2_DATA.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Used On:
- OEM
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Current Rating:
- 35 A
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $125.87Surplus $72.42 -
Square D QOU240 Miniature Circuit Breakers (MCBs)
MSRP $126.60Surplus $58.03SKU: C15-10927 Brand: Square D MPN: QOU240 UPC: 78590141874 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10927
- TS PIK:
- 111088448
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Terminal Type:
- Slotted Box Lug Line/Load
- Interrupting Rating:
- 10 kA
- Series:
- QOU
- Type:
- Miniature, Standard
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21584_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Current Rating:
- 40 A
- Used On:
- OEM
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $126.60Surplus $58.03 -
Square D QOU250 Miniature Circuit Breakers (MCBs) EA
MSRP $126.60Surplus $69.71SKU: C15-10929 Brand: Square D MPN: QOU250 UPC: 78590141877 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10929
- TS PIK:
- 111088449
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Type:
- Miniature, Standard
- Series:
- QOU
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Terminal Type:
- Slotted Box Lug Line/Load
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Used On:
- OEM
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Data Sheet:
- SchneiderElectric_21593_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $126.60Surplus $69.71 -
Square D QOU270 Miniature Circuit Breakers (MCBs)
MSRP $251.40Surplus $120.22SKU: C15-6674 Brand: Square D MPN: QOU270 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6674
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Current Rating:
- 70 A
- Terminal Type:
- Slotted Box Lug Line/Load
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
- Type:
- Miniature, Standard
- Number of Poles:
- 2
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric_21615_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Mounting:
- DIN Rail/Unit/Surface/Flush
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Series:
- QOU
- TS PIK:
- 21355736
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
MSRP $251.40Surplus $120.22 -
Square D QOU280 Miniature Circuit Breakers (MCBs)
MSRP $236.87Surplus $157.52SKU: C15-10930 Brand: Square D MPN: QOU280 UPC: 78590106026 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10930
- TS PIK:
- 111081741
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_20_7_21_CAT.pdf
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Series:
- QOU
- Current Rating:
- 80 A
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21620_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 60 VDC, 80 A, 10 kA Interrupt, 2-Pole, 12 to 2/0 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 60 VDC
- Type:
- Common Trip, Miniature, Standard
- Approval:
- UL, CSA
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
- Wire Size:
- 12 to 2/0 AWG (Copper/Aluminum)
- Terminal Type:
- Slotted Box Lug Line/Load
- Country of Origin:
- Mexico
MSRP $236.87Surplus $157.52
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.