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 QCD1010 Miniature Circuit Breakers (MCBs) QCD 1P 10A 240V 50/60Hz 1Ph
MSRP $79.50Surplus $11.63Eaton QCD1010 Miniature Circuit Breakers (MCBs) QCD 1P 10A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1635 Brand: Eaton MPN: QCD1010 UPC: 786679135716 Shipping Weight: 0.42 Shipping Height: 1.25 In...- SKU:
- C15-1635
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 10 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24/48/62.5 Volt DC
- Poles:
- 1
- Size:
- 3.25 Inch Width x 5 Inch Depth x 1.25 Inch Height
- Terminal 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)
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Current Rating:
- 10 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC, 24/48/62.5 VDC
- Short Description:
- QCD BkR 1P 10A W/ D/R MTG 120/240VAC
- Country of Origin:
- Dominican Republic
MSRP $79.50Surplus $11.63 -
Eaton QCD2070 Miniature Circuit Breakers (MCBs) QCD 2P 70A 240V 50/60Hz 1Ph
MSRP $324.00Surplus $90.95Eaton QCD2070 Miniature Circuit Breakers (MCBs) QCD 2P 70A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3926 Brand: Eaton MPN: QCD2070 UPC: 786679135976 Shipping Weight: 0.90 Shipping Height: 2.00 In...- SKU:
- C15-3926
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 70 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QCD BKR 2P 70A W/ D/R MTG 120/240VAC
- Country of Origin:
- Dominican Republic
MSRP $324.00Surplus $90.95 -
Eaton QCF1010T Din Rail Mounted Circuit Breakers EA
MSRP $128.00Surplus $31.21Eaton QCF1010T Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-9705 Brand: Eaton MPN: QCF1010T UPC: 10782114154592 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9705
- TS PIK:
- 115284900
- Number of Poles:
- 1
- Current Rating:
- 10 A
- Mounting:
- DIN Rail
- Country of Origin:
- Dominican Republic
MSRP $128.00Surplus $31.21 -
Eaton QCF1015 Miniature Circuit Breakers (MCBs) QCF 1P 15A 240V 50/60Hz 1Ph
MSRP $62.50Surplus $15.77Eaton QCF1015 Miniature Circuit Breakers (MCBs) QCF 1P 15A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1740 Brand: Eaton MPN: QCF1015 UPC: 786679143025 Shipping Weight: 0.30 Shipping Height: 1.00 In...- SKU:
- C15-1740
- Type:
- With Angle Opening
- Approval:
- UL
- Approval:
- CSA
- Size:
- 4.6 Inch Length x 3 Inch Width x 1.2 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Front
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 120/240 VAC, 15 A, 1-Pole, 10 kA, Ring/Spade Lug Terminal, Front Mount, Cable-In/Cable-Out, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_25_CAT.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $62.50Surplus $15.77 -
Eaton QCF1015T Din Rail Mounted Circuit Breakers
MSRP $127.40Surplus $27.97SKU: C15-11127 Brand: Eaton MPN: QCF1015T UPC: 78211415460 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11127
- TS PIK:
- 115284902
MSRP $127.40Surplus $27.97 -
Eaton QCF1020 Miniature Circuit Breakers (MCBs) QCF 1P 20A 240V 50/60Hz 1Ph EA
MSRP $74.85Surplus $30.55Eaton QCF1020 Miniature Circuit Breakers (MCBs) QCF 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-2546 Brand: Eaton MPN: QCF1020 UPC: 786679143063 Shipping Weight: 0.30 lbs. Shipping...- SKU:
- C15-2546
- Series:
- QCF
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Cable-In/Cable-Out
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 3000 Amp at 24 to 48 Volt DC
- Interrupting Rating:
- 3800 Amp at 62.5 Volt DC
- Terminal Type:
- Box Lug
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Box Lug Terminal, Cable-In/Out Front Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_23_V4T1_25_CAT.pdf
- TS PIK:
- 106998216
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $74.85Surplus $30.55 -
Eaton QCF1030T Din Rail Mounted Circuit Breakers
MSRP $145.92Surplus $27.70SKU: C15-11518 Brand: Eaton MPN: QCF1030T UPC: 78211415463 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11518
- TS PIK:
- 115284909
MSRP $145.92Surplus $27.70 -
Eaton QCF2020 Din Rail Mounted Circuit Breakers EA
MSRP $165.69Surplus $50.87Eaton 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 $165.69Surplus $50.87 -
Eaton QCF2020T Din Rail Mounted Circuit Breakers
MSRP $284.14Surplus $107.98SKU: C15-11120 Brand: Eaton MPN: QCF2020T UPC: 78211415466 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11120
- TS PIK:
- 115284915
MSRP $284.14Surplus $107.98 -
Eaton QCF2030 Miniature Circuit Breakers (MCBs) QCF 2P 30A 240V 50/60Hz 1Ph
MSRP $139.00Surplus $45.33Eaton QCF2030 Miniature Circuit Breakers (MCBs) QCF 2P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3999 Brand: Eaton MPN: QCF2030 UPC: 786679143346 Shipping Weight: 0.50 Shipping Height: 1.10 In...- SKU:
- C15-3999
- 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:
- 3000 A at 24 to 48 VDC
- Interrupting Rating:
- 3800 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 Front Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_23_V4T1_25_CAT.pdf
MSRP $139.00Surplus $45.33 -
Eaton QCF2030H Miniature Circuit Breakers (MCBs) QCF 2P 30A 240V 50/60Hz 1Ph
MSRP $422.00Surplus $103.20Eaton QCF2030H Miniature Circuit Breakers (MCBs) QCF 2P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3704 Brand: Eaton MPN: QCF2030H UPC: 786679073025 Shipping Weight: 0.55 Shipping Height: 1.00 In...- SKU:
- C15-3704
- Series:
- QCF
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QCF 1/2-INCH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,IND
- Country of Origin:
- Dominican Republic
MSRP $422.00Surplus $103.20 -
Eaton QCF3030HT Din Rail Mounted Circuit Breakers
MSRP $817.00Surplus $156.71SKU: C15-11453 Brand: Eaton MPN: QCF3030HT UPC: Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11453
- TS PIK:
- 115500140
MSRP $817.00Surplus $156.71 -
Eaton QCFCLIP Circuit Breaker Accessories
MSRP $135.00Surplus $87.98SKU: C15-11740 Brand: Eaton MPN: QCFCLIP UPC: 78667983180 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping Length: 7.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11740
- TS PIK:
- 21516686
- Catalog:
- Eaton_03771_V4T1_43_CAT.pdf
- Type:
- Face Mounting Clip, Cable-In/Cable-Out
- Used On:
- Quicklag Type C Industrial Circuit Breaker
MSRP $135.00Surplus $87.98 -
Eaton QCFH1015 Miniature Circuit Breakers (MCBs)
MSRP $223.91Surplus $35.38SKU: C15-11445 Brand: Eaton MPN: QCFH1015 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11445
- TS PIK:
- 115465210
MSRP $223.91Surplus $35.38 -
Eaton QCGF2050 Din Rail Mounted Circuit Breakers
MSRP $945.19Surplus $257.96SKU: C15-2007 Brand: Eaton MPN: QCGF2050 UPC: 786679574102 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 7.00 In...- SKU:
- C15-2007
- Series:
- QC
- Volts:
- 240 V
- Amps:
- 50 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QCGF2050QUICKLAG INDUSTRIAL GROUND FAULT THERMAL-MAGNETIC CIRCUIT PROTECTOR
- TS PIK:
- 107004892
- Country of Origin:
- Dominican Republic
MSRP $945.19Surplus $257.96 -
Eaton QCGFEP1030 Miniature Circuit Breakers (MCBs)
MSRP $1,020.72Surplus $233.92SKU: C15-9500 Brand: Eaton MPN: QCGFEP1030 UPC: 78667914665 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-9500
- TS PIK:
- 21505103
- Short Description:
- EATON QC GFCI CIRCUIT BREAKER, EQUIPMENT PROTECTOR, 30 MA TRIP SENSITIVITY, 40 A
- Number of Poles:
- 1
- Terminal Type:
- Aluminum Box Lug Standard Line
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Cable-In/Cable-Out, Equipment Protector, Miniature
- Voltage Rating:
- 120 VAC
- Interrupting Rating:
- 10000 A
- Current Rating:
- 30 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Size:
- 3.2 Inch Width x 5.3 Inch Depth x 1.2 Inch Height
MSRP $1,020.72Surplus $233.92 -
Eaton QCGFT1015 Miniature Circuit Breakers (MCBs) QCGF 1P 15A 120V 50/60Hz 1Ph EA
MSRP $750.00Surplus $140.43SKU: C15-3825 Brand: Eaton MPN: QCGFT1015 UPC: 786680130601 Shipping Weight: 0.40 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3825
- Approval:
- UL 489/943/1053
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 10 kA
- Poles:
- 1
- Size:
- 1 Inch Width x 1 Inch Depth x 1 Inch Height
- Terminal Type:
- Cable-In/Cable-Out
- Trip Sensitivity:
- 5 Milliamp
- Type:
- Thermal Magnetic
- Volts:
- 120 VAC
- Gauge:
- 0
- Short Description:
- 120 VAC, 15 A, 1-Pole, 10 kA, Cable Terminal, Cable-In/Cable-Out Mount, Thermal Magnetic, Ground Fault Circuit Breaker
- Series:
- QCGFT
- Specification/Technical:
- Eaton_32357_1_SPEC.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Catalog:
- Eaton_03771_V4T1_28_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $750.00Surplus $140.43 -
Eaton QCGFT1020 Miniature Circuit Breakers (MCBs) QCGF 1P 20A 120V 50/60Hz 1Ph EA
MSRP $574.77Surplus $118.38Eaton QCGFT1020 Miniature Circuit Breakers (MCBs) QCGF 1P 20A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-3293 Brand: Eaton MPN: QCGFT1020 UPC: 786680130618 Shipping Weight: 0.50 lbs. Shipping...- SKU:
- C15-3293
- Series:
- QCGFT
- Type:
- Thermal Magnetic
- Approval:
- UL 489/943/1053
- Approval:
- CSA
- Size:
- 1 Inch Width x 1 Inch Depth x 1 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Cable-In/Cable-Out
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Cable
- Trip Sensitivity:
- 5 Milliamp
- Short Description:
- 120 VAC, 20 A, 1-Pole, 10 kA, Cable Terminal, Cable-In/Cable-Out Mount, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_28_CAT.pdf
- Data Sheet:
- Eaton_54909_2_DATA.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
MSRP $574.77Surplus $118.38 -
Eaton QCGFT1030W2 Miniature Circuit Breakers (MCBs) QCGF 1P 30A 120V 50/60Hz 1Ph
MSRP $776.00Surplus $83.19Eaton QCGFT1030W2 Miniature Circuit Breakers (MCBs) QCGF 1P 30A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4299 Brand: Eaton MPN: QCGFT1030W2 UPC: 786680130790 Shipping Weight: 0.55 Shipping...- SKU:
- C15-4299
- Series:
- QC
- Volts:
- 120 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 1
MSRP $776.00Surplus $83.19 -
Eaton QCHW1020 Miniature Circuit Breakers (MCBs) QC 1P 20A 240V 50/60Hz 1Ph
MSRP $140.00Surplus $21.28Eaton QCHW1020 Miniature Circuit Breakers (MCBs) QC 1P 20A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3977 Brand: Eaton MPN: QCHW1020 UPC: 786679390108 Shipping Weight: 0.30 Shipping Height: 1.00 In...- SKU:
- C15-3977
- Series:
- QCHW
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QCHW INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL
- Country of Origin:
- Dominican Republic
MSRP $140.00Surplus $21.28