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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Crouse-Hinds MD175V Molded Case Breakers (MCCBs)
MSRP $3,000.00Surplus $511.98SKU: C15-8852 Brand: Crouse-Hinds MPN: MD175V UPC: Shipping Weight: 2.40 lbs. Shipping Height: 3.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-8852
MSRP $3,000.00Surplus $511.98 -
Crouse-Hinds MH240 Miniature Circuit Breakers (MCBs)
MSRP $69.00Surplus $19.40Crouse-Hinds MH240 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8855 Brand: Crouse-Hinds MPN: MH240 UPC: Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-8855
- Number of Poles:
- 2
MSRP $69.00Surplus $19.40 -
Crouse-Hinds MP120GF Miniature Circuit Breakers (MCBs)
MSRP $181.00Surplus $66.28Crouse-Hinds MP120GF Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-7369 Brand: Crouse-Hinds MPN: MP120GF UPC: 04089227815 Shipping Weight: 0.50 lbs. Shipping Height: 2.00 In...- SKU:
- E30-7369
- TS PIK:
- 120072461
- Type:
- Circuit Interrupter
- Short Description:
- 120 V, 20 A, 10 kA, 1-Pole, Plug-In, MP-GT, MP-HGT, Class A, Feeder, Miniature, Ground Fault, Circuit Breaker
- Terminal Type:
- Load Lug
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Size:
- 1 Inch W x 2.66 Inch D x 2.84 Inch H
- Mounting:
- Plug-On
- Wire Size:
- 14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
- Used On:
- Loadcenter
- Number of Poles:
- 1
- Voltage Rating:
- 120 VAC
- Data Sheet:
- SiemensAG_01517_1_DATA.pdf
- Country of Origin:
- Philippines
MSRP $181.00Surplus $66.28 -
Crouse-Hinds MP215 Miniature Circuit Breakers (MCBs)
MSRP $144.90Surplus $20.03Crouse-Hinds MP215 Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-7370 Brand: Crouse-Hinds MPN: MP215 UPC: 04089251893 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In...- SKU:
- E30-7370
- TS PIK:
- 21029784
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Series:
- MP-T
- Mounting:
- Plug-On
- Wire Size:
- 16 to 14 AWG (Copper/Aluminum)
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 V, 15 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
- Type:
- Common Trip
- Data Sheet:
- SiemensAG_01522_1_DATA.pdf
- Used On:
- Loadcenter
- Interrupting Rating:
- 10 kA
- Country of Origin:
- Mexico
MSRP $144.90Surplus $20.03 -
Crouse-Hinds QBGFEP1020 Miniature Circuit Breakers (MCBs)
MSRP $489.14Surplus $365.80SKU: C15-5528 Brand: Crouse-Hinds MPN: QBGFEP1020 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-5528
- TS PIK:
- 21505083
- Type:
- Thermal Magnetic
- Used On:
- Panelboard
- Mounting:
- Bolt-On
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 30 mA Trip Level, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Equipment Protector, Ground Fault Circuit Breaker
- Series:
- QBGFEP
- Terminal Type:
- Extended Tang Line, Steel Box Lug Load
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120 VAC
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Country of Origin:
- United States
MSRP $489.14Surplus $365.80 -
Crouse-Hinds QBHW2040 Miniature Circuit Breakers (MCBs)
MSRP $290.26Surplus $84.07Crouse-Hinds QBHW2040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5768 Brand: Crouse-Hinds MPN: QBHW2040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5768
- TS PIK:
- 21510596
- Short Description:
- 120/240 VAC, 40 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Interrupting Rating:
- 22000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Series:
- QBHW
- Catalog:
- Eaton_03771_V4T1_12_CAT.pdf
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
MSRP $290.26Surplus $84.07 -
Crouse-Hinds QBHW3020H Molded Case Breakers (MCCBs)
MSRP $689.77Surplus $187.18SKU: C15-8060 Brand: Crouse-Hinds MPN: QBHW3020H UPC: 78667939320 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 2.00...- SKU:
- C15-8060
- TS PIK:
- 21510605
MSRP $689.77Surplus $187.18 -
Crouse-Hinds QC1015 Miniature Circuit Breakers (MCBs) QC 1P 15A 50/60Hz 1Ph EA
MSRP $127.00Surplus $22.00Crouse-Hinds QC1015 Miniature Circuit Breakers (MCBs) QC 1P 15A 50/60Hz 1Ph EA​ ARCA SKU: C15-5537 Brand: Crouse-Hinds MPN: QC1015 UPC: 786679308851 Shipping Weight: 0.25 lbs. Shipping...- SKU:
- C15-5537
- TS PIK:
- 21508933
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Steel Ring Line/Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Terminal Type:
- Ring
- Current Rating:
- 15 A
- Type:
- Thermal Magnetic
- Series:
- QC
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Wire Size:
- 14 to 10 AWG Aluminum/Copper (Load)
- Mounting:
- Cable-In, Cable Out
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $127.00Surplus $22.00 -
Crouse-Hinds QC1020 Miniature Circuit Breakers (MCBs) EA
MSRP $87.42Surplus $24.25Crouse-Hinds QC1020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5360 Brand: Crouse-Hinds MPN: QC1020 UPC: 78667930888 Shipping Weight: 0.35 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5360
- TS PIK:
- 21508934
- Terminal Type:
- Ring
- Series:
- QC
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 10 AWG Copper/Aluminum (Load)
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Mounting:
- Cable-In/Cable-Out
- Current Rating:
- 20 A
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Steel Ring Line/Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $87.42Surplus $24.25 -
Crouse-Hinds QC1020D Miniature Circuit Breakers (MCBs) QC 1P 20A 50/60Hz 1Ph EA
MSRP $110.84Surplus $25.37Crouse-Hinds QC1020D Miniature Circuit Breakers (MCBs) QC 1P 20A 50/60Hz 1Ph EA​ ARCA SKU: C15-5587 Brand: Crouse-Hinds MPN: QC1020D UPC: 786679153215 Shipping Weight: 0.25 lbs. Shipping...- SKU:
- C15-5587
- TS PIK:
- 21505552
- Short Description:
- EATON QUICKLAG TYPE QC INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,INDUSTRIAL CI
- Country of Origin:
- Dominican Republic
MSRP $110.84Surplus $25.37 -
Crouse-Hinds QC1030 Miniature Circuit Breakers (MCBs) QC 1P 30A 50/60Hz 1Ph EA
MSRP $87.42Surplus $17.84Crouse-Hinds QC1030 Miniature Circuit Breakers (MCBs) QC 1P 30A 50/60Hz 1Ph EA​ ARCA SKU: C15-5538 Brand: Crouse-Hinds MPN: QC1030 UPC: 786679308943 Shipping Weight: 0.25 lbs. Shipping...- SKU:
- C15-5538
- TS PIK:
- 21508936
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Terminal Type:
- Box Lug
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 1-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Series:
- QC
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Type:
- Thermal Magnetic
- Mounting:
- Cable-In, Cable Out
- Number of Poles:
- 1
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $87.42Surplus $17.84 -
Crouse-Hinds QC2020 Miniature Circuit Breakers (MCBs) QC 2P 20A 50/60Hz 3Ph EA
MSRP $253.00Surplus $45.91Crouse-Hinds QC2020 Miniature Circuit Breakers (MCBs) QC 2P 20A 50/60Hz 3Ph EA​ ARCA SKU: C15-5539 Brand: Crouse-Hinds MPN: QC2020 UPC: 786679309377 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-5539
- TS PIK:
- 21508957
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Ring
- Series:
- QC
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, Steel Ring Line/Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Mounting:
- Cable-In, Cable Out
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Wire Size:
- 14 to 10 AWG Aluminum/Copper (Load)
- Catalog:
- Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Type:
- Thermal Magnetic
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $253.00Surplus $45.91 -
Crouse-Hinds RE1020 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $26.19Crouse-Hinds RE1020 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5543 Brand: Crouse-Hinds MPN: RE1020 UPC: Shipping Weight: 1.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5543
- Number of Poles:
- 1
MSRP $185.82Surplus $26.19 -
Crouse-Hinds RE1030 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $25.51Crouse-Hinds RE1030 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5544 Brand: Crouse-Hinds MPN: RE1030 UPC: Shipping Weight: 1.20 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5544
- Number of Poles:
- 1
MSRP $185.82Surplus $25.51 -
Crouse-Hinds RE1040 Miniature Circuit Breakers (MCBs)
MSRP $185.82Surplus $32.21Crouse-Hinds RE1040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5545 Brand: Crouse-Hinds MPN: RE1040 UPC: Shipping Weight: 1.45 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5545
- Number of Poles:
- 1
MSRP $185.82Surplus $32.21 -
Crouse-Hinds UVH3RP21K Circuit Breaker Accessories 24V EA
MSRP $1,024.97Surplus $279.60SKU: E30-11579 Brand: Crouse-Hinds MPN: UVH3RP21K UPC: 78667942059 Shipping Weight: 0.45 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00...- SKU:
- E30-11579
- Type:
- DC
- Series:
- C, UVH
- Used On:
- K Frame HMCP Series Motor Circuit Protector
- Catalog:
- Eaton_46579_V4T2_428_CAT.pdf
- Short Description:
- 24 VDC, Pigtail Lead Connection, Right Pole, UnderVage Release Mechanism for K-Frame HMCP Molded Case Circuit Breaker
- Country of Origin:
- Dominican Republic
MSRP $1,024.97Surplus $279.60 -
Crouzet 88826145 Miniature Circuit Breakers (MCBs)
MSRP $84.00Surplus $59.18SKU: C15-11811 Brand: Crouzet MPN: 88826145 UPC: 3593150000114 Shipping Weight: 0.15 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 1.00 In...- SKU:
- C15-11811
MSRP $84.00Surplus $59.18 -
Cutler Hammer HMCP007C0CA02 Motor Circuit Protector (MCPs) EA
MSRP $1,719.96Surplus $462.42SKU: U00-3251 Brand: Cutler-Hammer MPN: HMCP007C0CA02 UPC: 78667924788 Shipping Weight: 4.65 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping...- SKU:
- U00-3251
- Frame Type:
- F
- Type:
- Molded Case, Magnetic
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_398_V4T2_415_CAT.pdf
- Installation/Operator:
- Eaton_00176_INST.pdf
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Short Description:
- 600 VAC, 250 VDC, 7 A, 3-Pole, 21 to 70 A Trip, NEMA 0, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector with (1) Left Auxiliary Switch
- Voltage Rating:
- 600 VAC, 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Maximum DC Voltage Rating:
- 250 V
- Current Rating:
- 7 A
- Series:
- C, HMCP
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
MSRP $1,719.96Surplus $462.42 -
Cutler Hammer HMCP050G2C Motor Circuit Protector (MCPs) EA
MSRP $1,503.50Surplus $332.74SKU: C15-6837 Brand: Cutler-Hammer MPN: HMCP050G2C UPC: 78667903308 Shipping Weight: 4.50 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5...- SKU:
- C15-6837
- Short Description:
- 600 VAC, 250 VDC, 50 A, 3-Pole, 80 to 120 A Trip, NEMA 2, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector
- Series:
- C, HMCP
- Frame Type:
- F
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_399_CAT.pdf
- Number of Poles:
- 3
- CAD Drawings:
- Eaton_00054_1-9_CAD.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Molded Case, Magnetic
- Current Rating:
- 50 A
- Installation/Operator:
- Eaton_00176_INST.pdf
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA C22.2, CE
MSRP $1,503.50Surplus $332.74 -
Cutler Hammer HMCP250C5C Motor Circuit Protector (MCPs) EA
MSRP $3,137.51Surplus $540.88SKU: C15-6866 Brand: Cutler-Hammer MPN: HMCP250C5C UPC: 78667915100 Shipping Weight: 8.90 lbs. Shipping Height: 7.00 In. Shipping Length: 13.00 In. Shipping Width: 7...- SKU:
- C15-6866
- Country of Origin:
- Dominican Republic
MSRP $3,137.51Surplus $540.88