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 QCR3025H Miniature Circuit Breakers (MCBs) QCR 3P 25A 240V 50/60Hz 3Ph
MSRP $500.00Surplus $61.11Eaton QCR3025H Miniature Circuit Breakers (MCBs) QCR 3P 25A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2094 Brand: Eaton MPN: QCR3025H UPC: 782114225660 Shipping Weight: 0.80 Shipping Height: 2.00 In...- SKU:
- C15-2094
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 25 A
- Poles:
- 3
- Frequency Rating:
- 50/60 Hz
- Short Description:
- QCR BKR 3P 25A 240VAC_ 10 KAIC
- Country of Origin:
- Dominican Republic
MSRP $500.00Surplus $61.11 -
Eaton QCR3030HT Miniature Circuit Breakers (MCBs)
MSRP $497.18Surplus $201.84SKU: C15-3073 Brand: Eaton MPN: QCR3030HT UPC: 782114225714 Shipping Weight: 0.80 lbs. Shipping Height: 2.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-3073
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5.8 Inch Length x 3.7 Inch Width x 2.1 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail Rear
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Ring/Spade Lug
- Short Description:
- 240 VAC, 30 A, 3-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
- TS PIK:
- 115500142
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 30 A
MSRP $497.18Surplus $201.84 -
Eaton QCRFPL1P Circuit Breaker Accessories QC 5EA
MSRP $48.00Surplus $24.19Eaton QCRFPL1P Circuit Breaker Accessories QC 5EA​ ARCA SKU: C15-3846 Brand: Eaton MPN: QCRFPL1P UPC: 786679039649 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3846
- Short Description:
- EATON BREAKER, REMOVABLE PADLOCK DEVICE,SINGLE-POLE QCR OR QCF BREAKERS,QCR,SING
- TS PIK:
- 114748035
- Country of Origin:
- Dominican Republic
MSRP $48.00Surplus $24.19 -
Eaton QCRPLOFF Circuit Breaker Accessories Locking Attachment EA
MSRP $70.00Surplus $37.88Eaton QCRPLOFF Circuit Breaker Accessories Locking Attachment EA​ ARCA SKU: C15-2767 Brand: Eaton MPN: QCRPLOFF UPC: 782114869666 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In...- SKU:
- C15-2767
- Type:
- Padlock Bracket
- Used On:
- QCR Circuit Breaker
- Short Description:
- Padlock Bracket for QCR Circuit Breaker
- Specification/Technical:
- Eaton_40098_1_SPEC.pdf
- TS PIK:
- 117250743
- Catalog:
- Eaton_03771_V4T1_26_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $70.00Surplus $37.88 -
Eaton QCRSPACER Circuit Breaker Accessories EA
MSRP $65.00Surplus $8.11Eaton QCRSPACER Circuit Breaker Accessories EA​ ARCA SKU: C15-9713 Brand: Eaton MPN: QCRSPACER UPC: 78211631843 Shipping Weight: 0.20 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9713
- TS PIK:
- 120601916
- Country of Origin:
- Dominican Republic
MSRP $65.00Surplus $8.11 -
Eaton QL123PLOFF Circuit Breaker Accessories
MSRP $56.00Surplus $12.44Eaton QL123PLOFF Circuit Breaker Accessories​ ARCA SKU: C15-2035 Brand: Eaton MPN: QL123PLOFF UPC: 786679137925 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2035
- Type:
- Padlockable
- Used On:
- Quicklag Series Type B/P Circuit Breaker
- Poles:
- 1/2/3
- Locking Provision:
- Off
- Short Description:
- Off
- Catalog:
- Eaton_03771_V4T1_42_CAT.pdf
- TS PIK:
- 117057847
- Country of Origin:
- Dominican Republic
MSRP $56.00Surplus $12.44 -
Eaton QL1HT Circuit Breaker Accessories
MSRP $24.60Surplus $19.11Eaton QL1HT Circuit Breaker Accessories​ ARCA SKU: C15-2011 Brand: Eaton MPN: QL1HT UPC: 786679480076 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2011
- Breaker Type:
- QC
- Poles:
- 1
- Short Description:
- 1-Pole, QC Breaker, Circuit Breaker Handle Tie
- Specification/Technical:
- Eaton_09980_1_SPEC.pdf
- TS PIK:
- 115747510
- Catalog:
- Eaton_03771_V4T1_44_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $24.60Surplus $19.11 -
Eaton QL23NPL Circuit Breaker Accessories
MSRP $230.80Surplus $87.66Eaton QL23NPL Circuit Breaker Accessories​ ARCA SKU: C15-2058 Brand: Eaton MPN: QL23NPL UPC: 786679510155 Shipping Weight: 0.10 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2058
- Type:
- Non-Padlockable
- Used On:
- Quicklag Series Type B/C/P Circuit Breaker
- Poles:
- 2/3
- Accessory Type:
- Handle Accessories
- Locking Provision:
- On/Off
- Short Description:
- 2/3-Pole, ON/OFF Locking Provision, Non-Padlockable
- Catalog:
- Eaton_03771_V4T1_42_CAT.pdf
- TS PIK:
- 21512292
- Country of Origin:
- Dominican Republic
MSRP $230.80Surplus $87.66 -
Eaton QL3HT-CHGP Circuit Breaker Accessories
MSRP $30.00Surplus $15.21SKU: C15-11754 Brand: Eaton MPN: QL3HT-CHGP UPC: 786685261829 Shipping Weight: 0.05 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11754
- Country of Origin:
- Puerto Rico
MSRP $30.00Surplus $15.21 -
Eaton QLHT2POLE Circuit Breaker Accessories Handle Tie 2P 10BOX
MSRP $15.60Surplus $7.00Eaton QLHT2POLE Circuit Breaker Accessories Handle Tie 2P 10BOX​ ARCA SKU: C15-4088 Brand: Eaton MPN: QLHT2POLE UPC: 786679653258 Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4088
- Poles:
- 2
- Type:
- Quicklag Handle Tie
- Specification/Technical:
- Eaton_09984_1_SPEC.pdf
- Country of Origin:
- United States
MSRP $15.60Surplus $7.00 -
Eaton QLHT3POLE-10 Circuit Breaker Accessories PK
MSRP $210.27Surplus $35.62Eaton QLHT3POLE-10 Circuit Breaker Accessories PK​ ARCA SKU: C15-5337 Brand: Eaton MPN: QLHT3POLE-10 UPC: 786679653302 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5337
- Country of Origin:
- United States
MSRP $210.27Surplus $35.62 -
Eaton QPGFEP1020 Miniature Circuit Breakers (MCBs) QPGF 1P 20A 120V 50/60Hz 1Ph
MSRP $765.98Surplus $109.28Eaton QPGFEP1020 Miniature Circuit Breakers (MCBs) QPGF 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU: C15-3129 Brand: Eaton MPN: QPGFEP1020 UPC: 786679029411 Shipping Weight: 0.45 Shipping Height: 2...- SKU:
- C15-3129
- Type:
- Thermal Magnetic
- Type:
- Equipment Breaker
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Approval:
- UL 489/1053
- Approval:
- CSA
- Size:
- 4.5 Inch Width x 3 Inch Depth x 1.2 Inch Height
- Volts:
- 120 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 10000 A at 120 VAC
- Terminal Type:
- Steel Box Lug Standard Load
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Trip Sensitivity:
- 30 Milliamp
- Short Description:
- 3" x 4.5" x 1.2", 120 VAC, 20 A, 10 kA, 30 mA Non-Interchangeable Trip, 1-Pole, Plug-On Mount, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_8-V4T1_10_CAT.pdf
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Voltage Rating:
- 120 VAC
- Series:
- QP
- Country of Origin:
- Dominican Republic
MSRP $765.98Surplus $109.28 -
Eaton QPGFEP1030 Miniature Circuit Breakers (MCBs) 1P 30A
MSRP $842.28Surplus $119.60Eaton QPGFEP1030 Miniature Circuit Breakers (MCBs) 1P 30A​ ARCA SKU: C15-3837 Brand: Eaton MPN: QPGFEP1030 UPC: 78667914503 Shipping Weight: 0.45 lbs. Shipping Height: 1.10 In...- SKU:
- C15-3837
- Approval:
- UL 489
- Amps:
- 30 A
- Interrupting Rating:
- 10000 A at 120 VAC
- Mounting:
- Plug-On
- Poles:
- 1
- Size:
- 3 Inch Width x 4.6 Inch Depth x 1.1 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Trip Sensitivity:
- 30 Milliamp
- Type:
- Thermal Magnetic
- Type:
- Equipment Breaker
- Type:
- Miniature
- Volts:
- 120 VAC
- Gauge:
- 14 to 8 AWG Copper (Standard Load)
- Specification/Technical:
- Eaton_09998_1_SPEC.pdf
- TS PIK:
- 21505074
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Wire Size:
- 14 to 8 AWG Copper (Standard Load)
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Current Rating:
- 30 A
- Short Description:
- EATON QUICkLAG GFCI CIRCUIT BREAkER,INDUSTRIAL GROUND FAULT THERMAL-MAGNETIC EQU
- Series:
- QP
- Country of Origin:
- Dominican Republic
MSRP $842.28Surplus $119.60 -
Eaton QPGFT1020 Miniature Circuit Breakers (MCBs) QPHGF 1P 20A 240V 50/60Hz 1Ph EA
MSRP $732.00Surplus $146.34Eaton QPGFT1020 Miniature Circuit Breakers (MCBs) QPHGF 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-2569 Brand: Eaton MPN: QPGFT1020 UPC: 786680130250 Shipping Weight: 0.45 lbs. Shipping...- SKU:
- C15-2569
- Series:
- QP
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG GFCI CIRCUIT BREAKER
- TS PIK:
- 126205856
- Type:
- GF
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $732.00Surplus $146.34 -
Eaton QPGFT2020 Miniature Circuit Breakers (MCBs)
MSRP $1,144.25Surplus $313.33SKU: C15-11521 Brand: Eaton MPN: QPGFT2020 UPC: 78667602658 Shipping Weight: 75.00 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 6.00 In...- SKU:
- C15-11521
- Current Rating:
- 20 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Type:
- Thermal Magnetic, Common Trip, Self-Test, Miniature
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Size:
- 2.75 Inch Width x 4.5 Inch Depth x 2 Inch Height
- Number of Poles:
- 2
- Mounting:
- Plug-On Female Clip
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Terminal Type:
- Steel Box Lug Standard Load
MSRP $1,144.25Surplus $313.33 -
Eaton QPGFT2030 Miniature Circuit Breakers (MCBs) QPHGF 2P 30A 240V 50/60Hz 1Ph
MSRP $915.00Surplus $214.23Eaton QPGFT2030 Miniature Circuit Breakers (MCBs) QPHGF 2P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1994 Brand: Eaton MPN: QPGFT2030 UPC: 786676026666 Shipping Weight: 0.75 Shipping Height: 3...- SKU:
- C15-1994
- Series:
- QP
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG GFCI CIRCUIT BREAKER
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $915.00Surplus $214.23 -
Eaton QPHGFEP1020 Miniature Circuit Breakers (MCBs) QPH 1P 20A 240V 50/60Hz 1Ph
MSRP $1,750.00Surplus $356.68SKU: C15-3793 Brand: Eaton MPN: QPHGFEP1020 UPC: 786679574522 Shipping Weight: 0.45 lbs. Shipping Height: 2.00 In. Shipping Length: 7.00 In. Shipping Width: 3.00 In...- SKU:
- C15-3793
- Series:
- BAB
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG GFCI CIRCUIT BREAKER,INDUSTRIAL GROUND FAULT THERMAL-MAGNETIC EQU
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $1,750.00Surplus $356.68 -
Eaton QPHW1030 Miniature Circuit Breakers (MCBs) QPHW 1P 30A 120/240V 50/60Hz 1Ph EA
MSRP $163.41Surplus $27.62Eaton QPHW1030 Miniature Circuit Breakers (MCBs) QPHW 1P 30A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-5007 Brand: Eaton MPN: QPHW1030 UPC: 78667938708 Shipping Weight: 0.15 lbs. Shipping...- SKU:
- C15-5007
- Series:
- QPH
- Volts:
- 120/240 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QPH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL C
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $163.41Surplus $27.62 -
Eaton QPHW1040 Miniature Circuit Breakers (MCBs) QPHW 1P 40A 120V 50/60Hz 1Ph
MSRP $165.00Surplus $34.58Eaton QPHW1040 Miniature Circuit Breakers (MCBs) QPHW 1P 40A 120V 50/60Hz 1Ph​ ARCA SKU: C15-4143 Brand: Eaton MPN: QPHW1040 UPC: 786679387108 Shipping Weight: 0.35 Shipping Height: 3.00...- SKU:
- C15-4143
- Series:
- QPH
- Volts:
- 120 V
- Amps:
- 40 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON QUICKLAG TYPE QPH INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL C
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
MSRP $165.00Surplus $34.58 -
Eaton QPHW2050H Miniature Circuit Breakers (MCBs) QPHW 2P 50A 240V 50/60Hz 1Ph
MSRP $146.00Surplus $23.81Eaton QPHW2050H Miniature Circuit Breakers (MCBs) QPHW 2P 50A 240V 50/60Hz 1Ph​ ARCA SKU: C15-1655 Brand: Eaton MPN: QPHW2050H UPC: Shipping Weight: 0.70 Shipping Height: 3.00 In...- SKU:
- C15-1655
- Series:
- QPH
- Volts:
- 240 V
- Amps:
- 50 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Number of Poles:
- 2
MSRP $146.00Surplus $23.81