Circuit Breakers
Circuit Breakers - Source rare and hard-to-find breakers with ease
At ARCA Supply, we know that circuit breakers are essential to safeguarding electrical systems, protecting them from overloads and short circuits. Whether you're managing a commercial facility, maintaining industrial equipment, or working on residential projects, having the right circuit breakers ensures uninterrupted performance and peace of mind.
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.
Explore Our Circuit Breaker Categories:
- Air Circuit Breakers (ACBs): Ideal for large-scale industrial applications, ACBs provide superior protection in high-current scenarios.
- Din Rail Mounted Circuit Breakers: These breakers are designed for quick installation in compact spaces, making them perfect for modular setups.
- Main Breakers: As a crucial part of any electrical system, main breakers ensure that circuits are effectively managed and protected from faults.
- Miniature Circuit Breakers (MCBs): Designed for residential and commercial use, MCBs are essential for protecting lower power circuits from damage.
- Molded Case Breakers (MCCBs): When high current protection is needed, MCCBs offer robust and durable performance.
- Motor Circuit Protectors (MCPs): Specifically engineered to protect motors, MCPs offer fast response times to prevent equipment damage.
- Circuit Breaker Accessories: From trip units to mounting kits, we stock a variety of accessories to enhance the functionality of your breakers.
Leading Brands We Carry:
At ARCA Supply, we carry a comprehensive lineup of top brands to ensure you get the best quality and reliability. Our inventory includes trusted names such as Eaton, Square D, Siemens, and General Electric. With over 2,600 Eaton products and hundreds from brands like ABB, Schneider Electric, and Leviton, you can be confident in finding exactly what you need.
Choose the Right Circuit Breaker:
When selecting a circuit breaker, factors such as current rating, voltage rating, and mounting style are critical. Our range includes options for:
- Current Ratings: From 15A to 600A, ensuring the right protection for every application.
- Voltage Ratings: With options ranging from 120V to 600V for both AC and DC applications.
- Mounting Types: Choose from plug-on, DIN rail, or bolt-on mountings to match your installation requirements.
Why Choose ARCA Supply?
As a trusted distributor specializing in hard-to-find electrical components, we ensure that our circuit breakers meet the highest industry standards. Our commitment to the circular economy also means that unsold products are responsibly recycled, helping to reduce waste while supporting your projects.
Explore our extensive collection of circuit breakers today and find the perfect solution for your electrical system’s needs.
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Air Circuit Breakers (ACBs)
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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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Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Eaton QC2025H Miniature Circuit Breakers (MCBs) EA
MSRP $667.09Surplus $159.98SKU: C15-11216 Brand: Eaton MPN: QC2025H UPC: Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11216
- Series:
- QC
- Number of Poles:
- 2
MSRP $667.09Surplus $159.98 -
Eaton QC2030 Miniature Circuit Breakers (MCBs) QC 2P 30A 240V 50/60Hz 1Ph EA
MSRP $285.00Surplus $23.11Eaton QC2030 Miniature Circuit Breakers (MCBs) QC 2P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-2080 Brand: Eaton MPN: QC2030 UPC: 786679309469 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-2080
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Cable-In
- 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:
- Box Lug
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 30 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
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- TS PIK:
- 21508963
- Country of Origin:
- Dominican Republic
MSRP $285.00Surplus $23.11 -
Eaton QC2030HT Miniature Circuit Breakers (MCBs) EA
MSRP $955.86Surplus $119.93SKU: C15-11215 Brand: Eaton MPN: QC2030HT UPC: Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In. Shipping Length: 5.00 In. Shipping Width: 2.00 In. Product...- SKU:
- C15-11215
- TS PIK:
- 106888871
- Series:
- QC
- Number of Poles:
- 2
MSRP $955.86Surplus $119.93 -
Eaton QC2040 Miniature Circuit Breakers (MCBs) QC 2P 40A 240V 50/60Hz 1Ph
MSRP $230.00Surplus $45.43Eaton QC2040 Miniature Circuit Breakers (MCBs) QC 2P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2702 Brand: Eaton MPN: QC2040 UPC: 786679309568 Shipping Weight: 0.70 Shipping Height: 2.00 In...- SKU:
- C15-2702
- Series:
- QC
- Type:
- Polarized
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Cable-In
- Mounting:
- Cable Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 Ampere at 24 to 48/62.5/80 VDC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 40 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
- Installation/Operator:
- Leviton_00444_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $230.00Surplus $45.43 -
Eaton QC2060 Miniature Circuit Breakers (MCBs) QC 2P 60A 240V 50/60Hz 1Ph EA
MSRP $278.00Surplus $46.28Eaton QC2060 Miniature Circuit Breakers (MCBs) QC 2P 60A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3266 Brand: Eaton MPN: QC2060 UPC: 786679309759 Shipping Weight: 0.70 Shipping Height: 3.00 In...- SKU:
- C15-3266
- 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 A 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, 60 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
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $278.00Surplus $46.28 -
Eaton QC2065 Miniature Circuit Breakers (MCBs)
MSRP $481.78Surplus $105.70SKU: C15-11689 Brand: Eaton MPN: QC2065 UPC: Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11689
- TS PIK:
- 123372081
MSRP $481.78Surplus $105.70 -
Eaton QC2100 Miniature Circuit Breakers (MCBs) QC 2P 100A 240V 50/60Hz 1Ph EA
MSRP $419.00Surplus $94.46Eaton QC2100 Miniature Circuit Breakers (MCBs) QC 2P 100A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3351 Brand: Eaton MPN: QC2100 UPC: 786679309964 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-3351
- Series:
- QC
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Cable-In
- 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:
- Box Lug
- Wire Size:
- 8 to 1/0 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 100 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
- TS PIK:
- 21508985
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- Country of Origin:
- Dominican Republic
MSRP $419.00Surplus $94.46 -
Eaton QC2100H Din Rail Mounted Circuit Breakers EA
MSRP $887.88Surplus $98.32Eaton 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 $98.32 -
Eaton QC3010H Miniature Circuit Breakers (MCBs) QC 3P 10A 240V 50/60Hz 3Ph
MSRP $485.89Surplus $82.64Eaton QC3010H Miniature Circuit Breakers (MCBs) QC 3P 10A 240V 50/60Hz 3Ph​ ARCA SKU: C15-1660 Brand: Eaton MPN: QC3010H UPC: 786679240021 Shipping Weight: 1.05 Shipping Height: 4.90 In...- SKU:
- C15-1660
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 10 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Country of Origin:
- Dominican Republic
MSRP $485.89Surplus $82.64 -
Eaton QC3010HT Miniature Circuit Breakers (MCBs) EA
MSRP $200.00Surplus $24.67Eaton QC3010HT Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-11000 Brand: Eaton MPN: QC3010HT UPC: Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-11000
- Number of Poles:
- 3
MSRP $200.00Surplus $24.67 -
Eaton QC3030HT Miniature Circuit Breakers (MCBs) QC 3P 30A 240V 50/60Hz 3Ph EA
MSRP $620.00Surplus $72.35Eaton QC3030HT Miniature Circuit Breakers (MCBs) QC 3P 30A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-1661 Brand: Eaton MPN: QC3030HT UPC: 786679153468 Shipping Weight: 1.00 Shipping Height: 4.00...- SKU:
- C15-1661
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $620.00Surplus $72.35 -
Eaton QC3040HT Miniature Circuit Breakers (MCBs) EA
MSRP $935.79Surplus $181.07SKU: C15-10996 Brand: Eaton MPN: QC3040HT UPC: 10786679009786 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-10996
- TS PIK:
- 21504698
- Number of Poles:
- 3
MSRP $935.79Surplus $181.07 -
Eaton QC3050HT Miniature Circuit Breakers (MCBs) EA
MSRP $692.48Surplus $200.35SKU: 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 $200.35 -
Eaton QC3060HT Miniature Circuit Breakers (MCBs) QC 3P 60A 120V 50/60Hz 3Ph
MSRP $640.00Surplus $178.87Eaton QC3060HT Miniature Circuit Breakers (MCBs) QC 3P 60A 120V 50/60Hz 3Ph​ ARCA SKU: C15-1996 Brand: Eaton MPN: QC3060HT UPC: 786679827086 Shipping Weight: 1.10 Shipping Height: 4.00 In...- SKU:
- C15-1996
- Series:
- QC
- Volts:
- 120 V
- Amps:
- 60 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $640.00Surplus $178.87 -
Eaton QC3070HTS Miniature Circuit Breakers (MCBs) QC 3P 70A 240V 50/60Hz 3Ph
MSRP $1,300.00Surplus $141.66SKU: C15-2513 Brand: Eaton MPN: QC3070HTS UPC: 786679140482 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-2513
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 70 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
MSRP $1,300.00Surplus $141.66 -
Eaton QC3080HT Miniature Circuit Breakers (MCBs) QC 3P 80A 240V 50/60Hz 3Ph
MSRP $883.80Surplus $207.87Eaton QC3080HT Miniature Circuit Breakers (MCBs) QC 3P 80A 240V 50/60Hz 3Ph​ ARCA SKU: C15-3805 Brand: Eaton MPN: QC3080HT UPC: 786679009840 Shipping Weight: 1.05 lbs. Shipping...- SKU:
- C15-3805
- TS PIK:
- 106997885
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Country of Origin:
- Dominican Republic
MSRP $883.80Surplus $207.87 -
Eaton QC3100HT Miniature Circuit Breakers (MCBs) QC 3P 100A 240V 50/60Hz 3Ph EA
MSRP $1,250.00Surplus $247.21SKU: C15-1725 Brand: Eaton MPN: QC3100HT UPC: 786679009864 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-1725
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 100 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- TS PIK:
- 21504701
- Number of Poles:
- 3
- Country of Origin:
- Dominican Republic
MSRP $1,250.00Surplus $247.21 -
Eaton QC3FPLOFF Circuit Breaker Accessories
MSRP $173.00Surplus $61.18SKU: C15-11796 Brand: Eaton MPN: QC3FPLOFF UPC: 78211429168 Shipping Weight: 0.65 lbs. Shipping Height: 7.00 In. Shipping Length: 7.00 In. Shipping Width: 8.00 In...- SKU:
- C15-11796
- TS PIK:
- 122753615
MSRP $173.00Surplus $61.18 -
Eaton QC6BP-SCREW Circuit Breaker Accessories 12PK
MSRP $7.00Surplus $1.45Eaton QC6BP-SCREW Circuit Breaker Accessories 12PK​ ARCA SKU: C15-4659 Brand: Eaton MPN: QC6BP-SCREW UPC: Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4659
- UOM:
- BOX
- Type:
- Mounting Hardware
- Box Quantity:
- 12
MSRP $7.00Surplus $1.45 -
Eaton QC6BP10 Circuit Breaker Accessories 10BOX
MSRP $17.46Surplus $6.03Eaton QC6BP10 Circuit Breaker Accessories 10BOX​ ARCA SKU: C15-9358 Brand: Eaton MPN: QC6BP10 UPC: Shipping Weight: 2.60 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-9358
- TS PIK:
- 123209608
- Short Description:
- EATON BREAKER, MOUNTING PLATE,QC,SIX-POLE,CABLE-IN/CABLE-OUT,BULK PACK
- Country of Origin:
- Dominican Republic
MSRP $17.46Surplus $6.03