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 QOU115 Miniature Circuit Breakers (MCBs)
MSRP $40.20Surplus $18.30Square D QOU115 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4929 Brand: Square D MPN: QOU115 UPC: 78590141850 Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4929
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21454_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02170_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 113285771
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Country of Origin:
- Mexico
MSRP $40.20Surplus $18.30 -
Square D QOU130 Miniature Circuit Breakers (MCBs)
MSRP $50.00Surplus $18.48Square D QOU130 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3335 Brand: Square D MPN: QOU130 UPC: 78590141856 Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3335
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21480_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 111088442
- Current Rating:
- 30 A
- Number of Poles:
- 1
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Mexico
MSRP $50.00Surplus $18.48 -
Eaton QC1015 Din Rail Mounted Circuit Breakers 1P 15A 0Ph EA
MSRP $87.42Surplus $13.24Eaton QC1015 Din Rail Mounted Circuit Breakers 1P 15A 0Ph EA​ ARCA SKU: C15-3417 Brand: Eaton MPN: QC1015 UPC: 78667930885 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3417
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48 VDC
- Interrupting Rating:
- 3800 A at 62.5 VDC
- Terminal Type:
- Screw
- Wire Size:
- 14 to 10 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Steel Ring Line/Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- TS PIK:
- 21508933
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $87.42Surplus $13.24 -
Eaton QCR1020 Miniature Circuit Breakers (MCBs) 1P 20A EA
MSRP $80.00Surplus $34.58Eaton QCR1020 Miniature Circuit Breakers (MCBs) 1P 20A EA​ ARCA SKU: C15-1629 Brand: Eaton MPN: QCR1020 UPC: 10786679144067 Shipping Weight: 0.30 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1629
- Series:
- QC
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Mounting:
- Cable-In
- Mounting:
- Cable-Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Ampere at 24 to 48 VDC
- Interrupting Rating:
- 2000 Ampere at 62.5 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Box Lug Terminal, Cable-In/Out, 35 MM DIN Rail Rear Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- TS PIK:
- 110575155
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $80.00Surplus $34.58 -
GENERAL ELECTRIC THQC1130WL Din Rail Mounted Circuit Breakers
MSRP $61.75Surplus $13.82GENERAL ELECTRIC THQC1130WL Din Rail Mounted Circuit Breakers​ ARCA SKU: E30-8029 Brand: GENERAL ELECTRIC MPN: THQC1130WL UPC: 78316401250 Shipping Weight: 2.45 lbs. Shipping...- SKU:
- E30-8029
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Terminal Type:
- Lug
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $61.75Surplus $13.82 -
Eaton QCR1015 Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph Non Fusible
MSRP $101.00Surplus $34.58Eaton QCR1015 Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph Non Fusible​ ARCA SKU: C15-1739 Brand: Eaton MPN: QCR1015 UPC: 786679473504 Shipping Weight: 0.25 Shipping...- SKU:
- C15-1739
- Series:
- QC
- Type:
- Right Angle
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Mounting:
- Cable-In
- Mounting:
- Cable-Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Ampere at 24 to 48 VDC
- Interrupting Rating:
- 2000 Ampere at 62.5 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Box Lug Terminal, Cable-In/Out, 35 MM DIN Rail Rear Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $101.00Surplus $34.58 -
Contact Us For Quote
Eaton QCR1020T Din Rail Mounted Circuit Breakers EA
MSRP $124.31Surplus $2.45Eaton QCR1020T Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-10999 Brand: Eaton MPN: QCR1020T UPC: 10782114154516 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-10999
- TS PIK:
- 115284884
- Terminal Type:
- Screw
- Short Description:
- 120/240 VAC, 20 A, 1-Pole, 10 kA, Ring/Spade Lug Terminal, DIN Rail Rear Mount, Cable-In/Cable-Out, Thermal Magnetic, Industrial Circuit Breaker
- Type:
- Thermal Magnetic
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC
- Size:
- 3.3 Inch Length x 1.3 Inch Width x 5.1 Inch Height
- Mounting:
- DIN Rail
- Number of Poles:
- 1
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Approval:
- UL, CSA
- Country of Origin:
- Dominican Republic
MSRP $124.31Surplus $2.45 -
GENERAL ELECTRIC THQC1140WL Din Rail Mounted Circuit Breakers 1P 40A 120V
MSRP $58.25Surplus $6.01GENERAL ELECTRIC THQC1140WL Din Rail Mounted Circuit Breakers 1P 40A 120V​ ARCA SKU: C15-5920 Brand: GENERAL ELECTRIC MPN: THQC1140WL UPC: 78316404859 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-5920
- Terminal Type:
- Lug
- Type:
- Thermal Magnetic
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, 8 to 3 AWG Aluminum/Copper Line/Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out, Miniature Molded Case Circuit Breaker
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $58.25Surplus $6.01 -
GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V
MSRP $336.38Surplus $8.68GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V​ ARCA SKU: C15-5921 Brand: GENERAL ELECTRIC MPN: THQC1150WL UPC: 78316404861 Shipping Weight: 1.25 lbs. Shipping...- SKU:
- C15-5921
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 1-Pole, 8 to 3 AWG Aluminum/Copper Line/Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out, Miniature Molded Case Circuit Breaker
- Type:
- Thermal Magnetic
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $336.38Surplus $8.68 -
Contact Us For Quote
Square D QOU140 Miniature Circuit Breakers (MCBs) QOU 1P 40A 240V 50/60Hz 1Ph
MSRP $50.00Surplus $24.21Square D QOU140 Miniature Circuit Breakers (MCBs) QOU 1P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3658 Brand: Square D MPN: QOU140 UPC: 785901418597 Shipping Weight: 0.40 Shipping Height: 1.00...- SKU:
- C15-3658
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 40 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21490_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Number of Poles:
- 1
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Mexico
MSRP $50.00Surplus $24.21 -
Square D QOU150 Miniature Circuit Breakers (MCBs)
MSRP $40.20Surplus $24.21Square D QOU150 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6564 Brand: Square D MPN: QOU150 UPC: 78590141862 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6564
- TS PIK:
- 109594956
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Series:
- QOU
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Current Rating:
- 50 A
- Mounting:
- DIN Rail
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21503_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $40.20Surplus $24.21 -
Square D QOU160 Miniature Circuit Breakers (MCBs)
MSRP $40.20Surplus $16.84Square D QOU160 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6486 Brand: Square D MPN: QOU160 UPC: 78590148934 Shipping Weight: 0.40 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6486
- TS PIK:
- 21032805
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Mounting:
- DIN Rail
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric_21508_1_2_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Series:
- QOU
- Number of Poles:
- 1
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 60 A
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 60 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Used On:
- OEM
- Terminal Type:
- Slotted Box Lug Line/Load
- Type:
- Miniature, Standard
- Country of Origin:
- United States
MSRP $40.20Surplus $16.84
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.
