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
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- Qty in Cart
- Price
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Eaton QBHW2050H Miniature Circuit Breakers (MCBs)
MSRP $534.15Surplus $138.31SKU: C15-1650 Brand: Eaton MPN: QBHW2050H UPC: 786679152560 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1650
- Series:
- QBHW
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22000 A at 240 VAC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 50 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- TS PIK:
- 21505487
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $534.15Surplus $138.31 -
Eaton QBHW2050S Miniature Circuit Breakers (MCBs)
MSRP $1,067.84Surplus $92.59SKU: C15-11688 Brand: Eaton MPN: QBHW2050S UPC: Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11688
- Interrupting Rating:
- 22000 A at 120/240 VAC, 5000 A at 24/48/62.5/80 VDC
- Mounting:
- Bolt-On
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Terminal Type:
- Steel Box Lug Standard Load
- Approval:
- UL 489, CSA
- Voltage Rating:
- 120/240 VAC, 24/48/80 VDC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Size:
- 2.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
- Type:
- Thermal Magnetic, Miniature
- Country of Origin:
- Dominican Republic
MSRP $1,067.84Surplus $92.59 -
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Eaton QC1050 Miniature Circuit Breakers (MCBs) QC 1P 50A 240V 50/60Hz 1Ph
MSRP $80.00Surplus $26.32Eaton QC1050 Miniature Circuit Breakers (MCBs) QC 1P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2700 Brand: Eaton MPN: QC1050 UPC: 786679309032 Shipping Weight: 0.35 Shipping Height: 5.00 In...- SKU:
- C15-2700
- Series:
- QC
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Cable-In
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Ampere at 24 to 48 VDC
- Interrupting Rating:
- 3800 Ampere at 62.5 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $80.00Surplus $26.32 -
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Eaton QC2050 Miniature Circuit Breakers (MCBs) QC 2P 50A 240V 50/60Hz 1Ph EA
MSRP $157.01Surplus $52.92Eaton QC2050 Miniature Circuit Breakers (MCBs) QC 2P 50A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1507 Brand: Eaton MPN: QC2050 UPC: 786679309643 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-1507
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Cable-In/Cable-Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Amp at 24 to 48/62.5/80 Volt DC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_05964_1_CAD.pdf
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC
- TS PIK:
- 21508972
- Country of Origin:
- United States
MSRP $157.01Surplus $52.92 -
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Eaton QC2050H Din Rail Mounted Circuit Breakers
MSRP $372.50Surplus $100.58SKU: C15-19623 Brand: Eaton MPN: QC2050H UPC: 78667930965 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19623
- Short Description:
- 240 VAC, 50 A, 10 kA Interrupt, 2-Pole, Aluminum Box Lug Terminal, Cable-In/Out Mount, Thermal Magnetic, Type QC, Non-Interchangeable Industrial Circuit Breaker
- Current Rating:
- 50 A
- Size:
- 2.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Cable-In/Cable-Out, Non-Interchangeable Trip, Miniature
- Voltage Rating:
- 240 VAC, 24/48/80 VDC
- Approval:
- UL 489, CSA
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24/48/62.5/80 VDC
- Catalog:
- EatonCorp_00004_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Terminal Type:
- Aluminum Box Lug Standard Line, Steel Box Lug Standard Load
MSRP $372.50Surplus $100.58 -
Eaton QC3050HT Miniature Circuit Breakers (MCBs) EA
MSRP $692.48Surplus $139.70SKU: C15-5263 Brand: Eaton MPN: QC3050HT UPC: 78667982706 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5263
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 3.8 Inch Length x 3.2 Inch Width x 4.9 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- Front
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 240 VAC, 50 A, 3-Pole, 10 kA, Ring/Spade Lug Terminal, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_CAT.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- TS PIK:
- 21516567
- Country of Origin:
- Dominican Republic
MSRP $692.48Surplus $139.70 -
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Eaton QCD2050 Din Rail Mounted Circuit Breakers
MSRP $170.00Surplus $45.90SKU: C15-19486 Brand: Eaton MPN: QCD2050 UPC: 78667913594 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19486
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Cable-In/Cable-Out, Non-Interchangeable Trip, Miniature
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Short Description:
- EATON QUICKLAG TYPE QCD INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CIRCUIT BREAKER,50 A,10 kAIC,TWO-POLE,120/240 V,THERMAL-MAGNETIC,CABLE-IN/CABLE-OUT,QCD,NON-INTERCHANGEABLE
- Number of Poles:
- 2
- Approval:
- UL 489, CSA
- Size:
- 3.5 Inch Width x 6.25 Inch Depth x 2.25 Inch Height
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Interrupting Rating:
- 10000 A at 120/240 VAC, 3000 A at 24/48/62.5 VDC
MSRP $170.00Surplus $45.90 -
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Eaton QCF1050 Miniature Circuit Breakers (MCBs) QCF 1P 50A 240V 50/60Hz 1Ph
MSRP $65.50Surplus $29.73Eaton QCF1050 Miniature Circuit Breakers (MCBs) QCF 1P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1639 Brand: Eaton MPN: QCF1050 UPC: 786679143209 Shipping Weight: 0.30 Shipping Height: 2.00 In...- SKU:
- C15-1639
- Approval:
- UL 489/E7819
- Approval:
- CSA LR48907
- Amps:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24/48/62.5 Volt DC
- Mounting:
- Front
- Poles:
- 1
- Size:
- 3 Inch Width x 4.6 Inch Depth x 1.2 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Thermal Magnetic
- Type:
- Cable-In/Cable-Out
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 120/240 VAC
- Volts:
- 24/48/62.5 VDC
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 50 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Short Description:
- EATON QUICKLAG TYPE QCF 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CIRCUIT BREAKER,50 A,10 kAIC,SINGLE-POLE,120/240 V,THERMAL-MAGNETIC,CABLE-IN/CABLE-OUT,QCF,NON-INTERCHANGEABLE
MSRP $65.50Surplus $29.73 -
Eaton QCGFEP2050 Din Rail Mounted Circuit Breakers EA
MSRP $1,900.90Surplus $273.00SKU: 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 $1,900.90Surplus $273.00 -
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Eaton QCHW2050H Miniature Circuit Breakers (MCBs)
MSRP $542.00Surplus $146.34SKU: C15-19574 Brand: Eaton MPN: QCHW2050H UPC: 78667915136 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19574
- Type:
- Thermal Magnetic, Cable-In/Cable-Out, Miniature
- Short Description:
- EATON QUICKLAG TYPE QCHW INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL MINIATURE CIRCUIT BREAKER,50 A,22 kAIC,TWO-POLE,240 V,THERMAL-MAGNETIC,CABLE-IN,QCHW
- Number of Poles:
- 2
- Size:
- 0.75 Inch Width x 3.8 Inch Depth x 5 Inch Height
- Interrupting Rating:
- 22000 A at 120/240 VAC, 5000 A at 24/48/62.5/80 VDC
- Approval:
- UL 489, CSA
- Terminal Type:
- Aluminum Box Lug Standard Line, Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC, 24/48/80 VDC
- Current Rating:
- 50 A
MSRP $542.00Surplus $146.34 -
Eaton QCR2050 Miniature Circuit Breakers (MCBs) QCR 2P 50A 240V 50/60Hz 1Ph EA
MSRP $145.00Surplus $48.37Eaton QCR2050 Miniature Circuit Breakers (MCBs) QCR 2P 50A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3480 Brand: Eaton MPN: QCR2050 UPC: 786679144428 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-3480
- TS PIK:
- 106998247
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Number of Poles:
- 2
- Data Sheet:
- EatonCorp-CutlerHammer_00057_1-4_DATA.pdf
- Mounting:
- DIN Rail Rear
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, DIN Rail/Rear Mount, Thermal Magnetic Circuit Breaker
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic
- Size:
- 4.6 Inch Length x 3.3 Inch Width x 1.2 Inch Height
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
- Approval:
- UL, CSA
MSRP $145.00Surplus $48.37 -
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Eaton QPHW3050H Miniature Circuit Breakers (MCBs)
MSRP $710.00Surplus $172.53SKU: C15-19826 Brand: Eaton MPN: QPHW3050H UPC: 78667938731 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19826
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Non-Interchangeable Trip
- Short Description:
- EATON QUICKLAG TYPE QPH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL C
- Interrupting Rating:
- 22000 A at 240 VAC
- Voltage Rating:
- 240 VAC
- Approval:
- UL 489, CSA
- Mounting:
- Plug-On Female Clip Line
- Current Rating:
- 50 A
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
MSRP $710.00Surplus $172.53 -
EGH3050FFG 3P 50A
MSRP $1,352.48Surplus $608.62SKU: C15-4187 Brand: MPN: EGH3050FFG UPC: Shipping Weight: 2.75 lbs. Shipping Height: 6.00 In. Shipping Length: 3.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-4187
- Series:
- G
- Type:
- Molded Case
- Type:
- Fixed Thermal Fixed Magnetic
- Approval:
- UL
- Approval:
- CSA
- Approval:
- CE
- Size:
- 3 Inch W x 2.99 Inch D x 5.5 Inch H
- Volts:
- 415/480 V at 50/60 Hz
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 70 kA at 415
- Interrupting Rating:
- 65 kA at 480 VAC
- Interrupting Rating:
- 10 kA at 250 VDC
- Terminal Type:
- Standard Line and Load Terminal
- Frame Type:
- EG
- Maximum AC Voltage Rating:
- 480
- Short Description:
- 415/480 VAC 50/60 Hz, 50 A, 70/65 kA, 3-Pole, Standard Line and Load Terminal, EG Frame, Fixed Thermal, Fixed Magnetic, Molded Case
- Catalog:
- Eaton_27487_V4T2_142-V4T2_144_V4T2_153_V4T2_154_V4T2_158_CAT.pdf
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 415/480 V at 50/60 Hz
- Country of Origin:
- United States
MSRP $1,352.48Surplus $608.62
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