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 $145.00Surplus $31.89Eaton 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 $145.00Surplus $31.89 -
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Eaton QC3030H Din Rail Mounted Circuit Breakers EA
MSRP $586.21Surplus $140.98Eaton QC3030H Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5216 Brand: Eaton MPN: QC3030H UPC: 786679240106 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-5216
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-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:
- 30 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Country of Origin:
- Dominican Republic
MSRP $586.21Surplus $140.98 -
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 $36.40Eaton 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 $36.40 -
Eaton QC1025 Din Rail Mounted Circuit Breakers EA
MSRP $87.42Surplus $26.26Eaton QC1025 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5219 Brand: Eaton MPN: QC1025 UPC: 78667930891 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5219
- Series:
- QC
- Amps:
- 25 A
- Poles:
- 1
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Number of Poles:
- 1
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $87.42Surplus $26.26 -
Eaton QC2020 Din Rail Mounted Circuit Breakers 2P 20A EA
MSRP $253.00Surplus $46.52Eaton 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 $253.00Surplus $46.52 -
Eaton QC2100H Din Rail Mounted Circuit Breakers EA
MSRP $887.88Surplus $70.62Eaton QC2100H Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5256 Brand: Eaton MPN: QC2100H UPC: 78667930997 Shipping Weight: 0.75 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-5256
- Series:
- QC
- Amps:
- 100 A
- Poles:
- 2
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Number of Poles:
- 2
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $887.88Surplus $70.62 -
Eaton QCR1015 Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph Non Fusible
MSRP $101.00Surplus $36.40Eaton 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 $36.40
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