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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Eaton QCR2030 Miniature Circuit Breakers (MCBs) QCR 2P 30A 240V 50/60Hz 1Ph EA
MSRP $197.39Surplus $43.41Eaton QCR2030 Miniature Circuit Breakers (MCBs) QCR 2P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3919 Brand: Eaton MPN: QCR2030 UPC: 786679144343 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-3919
- Series:
- QC
- Type:
- Branch
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Mounting:
- Cable-In
- Mounting:
- Cable-Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 A at 24 to 48 VDC
- Interrupting Rating:
- 2000 A at 62.5 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 2-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:
- 106998243
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Country of Origin:
- Dominican Republic
MSRP $197.39Surplus $43.41 -
Square D QOU230VH Miniature Circuit Breakers (MCBs) EA
MSRP $317.18Surplus $60.28Square D QOU230VH Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5292 Brand: Square D MPN: QOU230VH UPC: 78590155989 Shipping Weight: 0.80 lbs. Shipping Height: 2.00 In...- SKU:
- C15-5292
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 30 A
- Interrupting Rating:
- 22 kA
- Mounting:
- DIN Rail
- Poles:
- 2
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Terminal Type:
- Slotted Box Lug Line/Load
- Type:
- Miniature
- Type:
- Standard
- Used On:
- OEM
- Volts:
- 120/240 VAC 50/60 Hertz
- Gauge:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 30 A, 22 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Series:
- QOU
- Data Sheet:
- SchneiderElectric_21578_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30267_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- CAD Drawings:
- SchneiderElectric_30267_1_CAD.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Country of Origin:
- United States
MSRP $317.18Surplus $60.28 -
Eaton QCR2010T Miniature Circuit Breakers (MCBs) QCR 2P 10A 240V 50/60Hz 1Ph
MSRP $311.74Surplus $57.35Eaton QCR2010T Miniature Circuit Breakers (MCBs) QCR 2P 10A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2009 Brand: Eaton MPN: QCR2010T UPC: 782114154540 Shipping Weight: 0.50 Shipping Height: 2.00 In...- SKU:
- C15-2009
- Type:
- Thermal Magnetic
- Type:
- Branch
- Type:
- Miniature
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5.2 Inch Length x 3.3 Inch Width x 1.2 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 120/240 VAC, 10 A, 2-Pole, 10 kA, Ring/Spade Lug Terminal, DIN Rail Rear Mount, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45544_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 10 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
- Series:
- QCR
MSRP $311.74Surplus $57.35 -
Eaton QCR2015 Miniature Circuit Breakers (MCBs) QCR 2P 15A 240V 50/60Hz 1Ph
MSRP $298.49Surplus $48.37Eaton QCR2015 Miniature Circuit Breakers (MCBs) QCR 2P 15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1644 Brand: Eaton MPN: QCR2015 UPC: 786679473559 Shipping Weight: 0.50 Shipping Height: 2.00 In...- SKU:
- C15-1644
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5.1 Inch Length x 3.2 Inch Width x 1.2 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 120/240 VAC, 15 A, 2-Pole, 10 kA, Ring/Spade Lug Fixed Terminal, DIN Rail Rear Mount, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Data Sheet:
- Eaton_53970_1-5_DATA.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Country of Origin:
- Dominican Republic
MSRP $298.49Surplus $48.37 -
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GENERAL ELECTRIC THQC2150WL Din Rail Mounted Circuit Breakers 2P 50A 120V
MSRP $272.26Surplus $52.06GENERAL ELECTRIC THQC2150WL Din Rail Mounted Circuit Breakers 2P 50A 120V​ ARCA SKU: C15-4753 Brand: GENERAL ELECTRIC MPN: THQC2150WL UPC: 78316401256 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-4753
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Line/Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- TS PIK:
- 120635810
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Mounting:
- DIN Rail
- Country of Origin:
- United States
- Libra Liquidity Lot:
- Libra Auction Lot
MSRP $272.26Surplus $52.06 -
Eaton QCR2015T Miniature Circuit Breakers (MCBs) QCR 2P 15A 240V 50/60Hz 1Ph
MSRP $229.62Surplus $46.09Eaton QCR2015T Miniature Circuit Breakers (MCBs) QCR 2P 15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1999 Brand: Eaton MPN: QCR2015T UPC: 782114154557 Shipping Weight: 0.30 Shipping Height: 1.00 In...- SKU:
- C15-1999
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3 Inch Length x 2 Inch Width x 1 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 120/240 VAC, 15 A, 2-Pole, 10 kA, Ring/Spade Lug Terminal, DIN Rail Rear Mount, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Data Sheet:
- Eaton_53969_1_2_DATA.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
- Series:
- QCR
MSRP $229.62Surplus $46.09 -
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GENERAL ELECTRIC THQC21100WL Din Rail Mounted Circuit Breakers
MSRP $431.98Surplus $123.12GENERAL ELECTRIC THQC21100WL Din Rail Mounted Circuit Breakers​ ARCA SKU: E30-8030 Brand: GENERAL ELECTRIC MPN: THQC21100WL UPC: 78316413159 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- E30-8030
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Current Rating:
- 100 A
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Lug
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
MSRP $431.98Surplus $123.12 -
Eaton QC2020 Din Rail Mounted Circuit Breakers 2P 20A EA
MSRP $344.41Surplus $63.33Eaton QC2020 Din Rail Mounted Circuit Breakers 2P 20A EA​ ARCA SKU: C15-1656 Brand: Eaton MPN: QC2020 UPC: 78667930937 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-1656
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Screw
- Wire Size:
- 14 to 10 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Steel Ring Line/Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- TS PIK:
- 21508957
- Country of Origin:
- Dominican Republic
MSRP $344.41Surplus $63.33 -
Eaton QCF2020 Din Rail Mounted Circuit Breakers EA
MSRP $225.55Surplus $49.24Eaton QCF2020 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-9240 Brand: Eaton MPN: QCF2020 UPC: 10786679143305 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9240
- Terminal Type:
- Lug
- Catalog:
- Eaton_03771_V4T1_23_V4T1_25_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10000 A at 120/240 VAC, 3000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Series:
- QCF
- TS PIK:
- 106998227
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Box Lug Terminal, Cable-In/Out Front Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Mounting:
- DIN Rail
- Number of Poles:
- 2
- Approval:
- UL 489, CSA
- Country of Origin:
- Dominican Republic
MSRP $225.55Surplus $49.24 -
Eaton QCGFEP2050 Din Rail Mounted Circuit Breakers EA
MSRP $2,587.70Surplus $589.62SKU: U00-8529 Brand: Eaton MPN: QCGFEP2050 UPC: 78667957430 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- U00-8529
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 50 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Interrupting Rating:
- 10000 A
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Terminal Type:
- Lug
- Mounting:
- DIN Rail
- Approval:
- UL, CSA
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- QC 2 POLE 50A GF EP BKR 30MA 120/240VAC
MSRP $2,587.70Surplus $589.62 -
GENERAL ELECTRIC THQC2120WL Din Rail Mounted Circuit Breakers 2P 20A 120V
MSRP $162.77Surplus $20.12GENERAL ELECTRIC THQC2120WL Din Rail Mounted Circuit Breakers 2P 20A 120V​ ARCA SKU: C15-5922 Brand: GENERAL ELECTRIC MPN: THQC2120WL UPC: 78316401253 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-5922
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Lug
- Type:
- Thermal Magnetic
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $162.77Surplus $20.12 -
Contact Us For Quote
Square D QOU230 Miniature Circuit Breakers (MCBs)
MSRP $125.87Surplus $69.71Square D QOU230 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6402 Brand: Square D MPN: QOU230 UPC: 78590141871 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6402
- TS PIK:
- 124025006
- Interrupting Rating:
- 10 kA
- Series:
- QOU
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Current Rating:
- 30 A
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Type:
- Miniature, Standard
- Mounting:
- DIN Rail
- Used On:
- OEM
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Data Sheet:
- SchneiderElectric_21568_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Country of Origin:
- Mexico
MSRP $125.87Surplus $69.71
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