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 QCHW1020V Din Rail Mounted Circuit Breakers EA
MSRP $311.91Surplus $65.03Eaton QCHW1020V Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-9469 Brand: Eaton MPN: QCHW1020V UPC: Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9469
- TS PIK:
- 120660536
- Short Description:
- EATON QUICKLAG TYPE QCHW INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $311.91Surplus $65.03 -
Eaton QCHW2100H Miniature Circuit Breakers (MCBs)
MSRP $1,443.81Surplus $318.45SKU: C15-11687 Brand: Eaton MPN: QCHW2100H UPC: Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11687
- TS PIK:
- 119836592
MSRP $1,443.81Surplus $318.45 -
Eaton QCP1030 Miniature Circuit Breakers (MCBs) QCP 1P 30A 240V 50/60Hz 1Ph
MSRP $69.50Surplus $12.39Eaton QCP1030 Miniature Circuit Breakers (MCBs) QCP 1P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2520 Brand: Eaton MPN: QCP1030 UPC: 786685555249 Shipping Weight: 0.35 Shipping Height: 5.00 In...- SKU:
- C15-2520
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- TYPE QC BREAKER 1P 30A QCP
- Country of Origin:
- United States
MSRP $69.50Surplus $12.39 -
Eaton QCR1010 Miniature Circuit Breakers (MCBs) QCR 1P 10A 240V 50/60Hz 1Ph
MSRP $64.50Surplus $26.82Eaton QCR1010 Miniature Circuit Breakers (MCBs) QCR 1P 10A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1637 Brand: Eaton MPN: QCR1010 UPC: 786679052907 Shipping Weight: 0.25 Shipping Height: 1.00 In...- SKU:
- C15-1637
- Series:
- QCR
- Type:
- 80 A Busbar
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- 35 MM DIN Rail
- Mounting:
- Cable-In/Out
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24 to 48 Volt DC
- Interrupting Rating:
- 2000 Amp at 62.5 Volt DC
- Terminal Type:
- Box
- Wire Size:
- 14 to 4 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 10 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
- Specification/Technical:
- Eaton_52001_1_SPEC.pdf
- Data Sheet:
- Eaton_57027_1_DATA.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Current Rating:
- 10 A
MSRP $64.50Surplus $26.82 -
Eaton QCR1010T Miniature Circuit Breakers (MCBs) 1P 10A 240V EA
MSRP $80.00Surplus $20.41Eaton QCR1010T Miniature Circuit Breakers (MCBs) 1P 10A 240V EA​ ARCA SKU: C15-2004 Brand: Eaton MPN: QCR1010T UPC: 782114154496 Shipping Weight: 0.20 lbs. Shipping Height: 1.00 In...- SKU:
- C15-2004
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 10 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QCR BKR 1P 10A W/ RING LUG TERM.
- Country of Origin:
- Dominican Republic
MSRP $80.00Surplus $20.41 -
Eaton QCR1015 Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph Non Fusible
MSRP $101.00Surplus $29.26Eaton 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 $29.26 -
Eaton QCR1015T Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph
MSRP $76.50Surplus $32.34Eaton QCR1015T Miniature Circuit Breakers (MCBs) QCR 1P 15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-2005 Brand: Eaton MPN: QCR1015T UPC: 782114154502 Shipping Weight: 0.25 Shipping Height: 1.20 In...- SKU:
- C15-2005
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 15 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QCR BKR 1P 15A W/ RING LUG TERM.
MSRP $76.50Surplus $32.34 -
Eaton QCR1020 Miniature Circuit Breakers (MCBs) 1P 20A EA
MSRP $80.00Surplus $18.40Eaton 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 $18.40 -
Eaton QCR1020T Din Rail Mounted Circuit Breakers EA
MSRP $124.31Surplus $16.87Eaton 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 $16.87 -
Eaton QCR1025 Miniature Circuit Breakers (MCBs) QCR 1P 25A 240V 50/60Hz 1Ph
MSRP $80.00Surplus $16.53Eaton QCR1025 Miniature Circuit Breakers (MCBs) QCR 1P 25A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3863 Brand: Eaton MPN: QCR1025 UPC: Shipping Weight: 0.30 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3863
- Series:
- QCR
- Volts:
- 240 V
- Amps:
- 25 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QCR 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,IND
- Country of Origin:
- Dominican Republic
MSRP $80.00Surplus $16.53 -
Eaton QCR1030 Miniature Circuit Breakers (MCBs) QCR 1P 30A 240V 50/60Hz 1Ph EA
MSRP $100.00Surplus $34.21Eaton QCR1030 Miniature Circuit Breakers (MCBs) QCR 1P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3044 Brand: Eaton MPN: QCR1030 UPC: 786679144121 Shipping Weight: 0.30 lbs. Shipping...- SKU:
- C15-3044
- Approval:
- UL 489/E7819
- Approval:
- CSA LR48907
- Amps:
- 30 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24/48/62.5 Volt DC
- Mounting:
- Rear
- Poles:
- 1
- Size:
- 3.1 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)
- TS PIK:
- 106998239
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Current Rating:
- 30 A
- Short Description:
- EATON QUICKLAG TYPE QCR 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,IND
- Country of Origin:
- Dominican Republic
MSRP $100.00Surplus $34.21 -
Eaton QCR1030T Miniature Circuit Breakers (MCBs) QCR 1P 30A 240V 50/60Hz 1Ph
MSRP $76.50Surplus $37.69Eaton QCR1030T Miniature Circuit Breakers (MCBs) QCR 1P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1997 Brand: Eaton MPN: QCR1030T UPC: 782114154533 Shipping Weight: 0.26 Shipping Height: 1.00 In...- SKU:
- C15-1997
- Type:
- Open Style
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5 Inch Length x 3 Inch Width x 1 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail Rear
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 120/240 VAC, 30 A, 1-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:
- Mersen_00019_FB20_FB21_DATA.pdf
- Number of Poles:
- 1
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $76.50Surplus $37.69 -
Eaton QCR2010 Miniature Circuit Breakers (MCBs) QCR 2P 10A 240V 50/60Hz 1Ph EA
MSRP $162.26Surplus $52.25Eaton QCR2010 Miniature Circuit Breakers (MCBs) QCR 2P 10A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1769 Brand: Eaton MPN: QCR2010 UPC: Shipping Weight: 0.50 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-1769
- Series:
- QCR
- Volts:
- 240 V
- Amps:
- 10 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QCR 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,IND
- Country of Origin:
- Dominican Republic
MSRP $162.26Surplus $52.25 -
Eaton QCR2015HTS Din Rail Mounted Circuit Breakers EA
MSRP $879.89Surplus $258.63SKU: C15-9351 Brand: Eaton MPN: QCR2015HTS UPC: 10782114220679 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9351
- TS PIK:
- 115463414
- Short Description:
- EATON QUICKLAG TYPE QCR 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,IND
- Number of Poles:
- 2
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $879.89Surplus $258.63 -
Eaton QCR2020HTS Din Rail Mounted Circuit Breakers EA
MSRP $1,190.00Surplus $282.35SKU: C15-9710 Brand: Eaton MPN: QCR2020HTS UPC: 107821142206 Shipping Weight: 0.80 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9710
- TS PIK:
- 115463415
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $1,190.00Surplus $282.35 -
Eaton QCR2030T Miniature Circuit Breakers (MCBs) EA
MSRP $277.00Surplus $39.36Eaton QCR2030T Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9709 Brand: Eaton MPN: QCR2030T UPC: Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9709
- TS PIK:
- 115284899
- Short Description:
- 120/240 VAC, 30 A, 2-Pole, 10 kA, Ring/Spade Lug Terminal, DIN Rail Rear Mount, Cable-In/Cable-Out, Thermal Magnetic, Industrial Circuit Breaker
- Type:
- Thermal Magnetic
- Terminal Type:
- Ring/Spade Lug
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Catalog:
- Eaton_03771_V4T1_23_V4T1_24_CAT.pdf
- Number of Poles:
- 2
- Size:
- 3 Inch Length x 2 Inch Width x 1 Inch Height
- Mounting:
- DIN Rail Rear
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Dominican Republic
- Approval:
- UL, CSA
MSRP $277.00Surplus $39.36 -
Eaton QCR2040 Din Rail Mounted Circuit Breakers EA
MSRP $89.90Surplus $59.78SKU: C15-9849 Brand: Eaton MPN: QCR2040 UPC: 78667914438 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9849
- TS PIK:
- 106998245
MSRP $89.90Surplus $59.78 -
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 -
Eaton QCR2060 Din Rail Mounted Circuit Breakers EA
MSRP $89.90Surplus $59.78SKU: C15-9850 Brand: Eaton MPN: QCR2060 UPC: 78667914446 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-9850
- TS PIK:
- 106998249
MSRP $89.90Surplus $59.78 -
Eaton QCR3020HT Din Rail Mounted Circuit Breakers
MSRP $816.88Surplus $132.60SKU: C15-11123 Brand: Eaton MPN: QCR3020HT UPC: 78211422569 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11123
- TS PIK:
- 115463469
- Country of Origin:
- Dominican Republic
MSRP $816.88Surplus $132.60