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.
- Air Circuit Breakers (ACBs)
- Din Rail Mounted Circuit Breakers
- Main Breakers
- Miniature Circuit Breakers (MCBs)
- Molded Case Breakers (MCCBs)
- Motor Circuit Protector (MCPs)
- Circuit Breaker Accessories
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Eaton BAB2015H Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph EA
MSRP $341.00Surplus $125.34Eaton BAB2015H Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1036 Brand: Eaton MPN: BAB2015H UPC: 786679302170 Shipping Weight: 0.65 Shipping Height: 3...- SKU:
- C15-1036
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 15 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $341.00Surplus $125.34 -
Eaton BAB2015H08 Miniature Circuit Breakers (MCBs)
MSRP $177.00Surplus $52.12SKU: C15-11572 Brand: Eaton MPN: BAB2015H08 UPC: 78667907123 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping Length: 3.00 In. Shipping Width: 2.00 In...- SKU:
- C15-11572
- Mounting:
- Bolt-On
- Current Rating:
- 15 A
- Terminal Type:
- Steel Box Lug Standard Load
- Number of Poles:
- 2
- Size:
- 7.5 Inch Width x 12.5 Inch Depth x 5 Inch Height
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 V AC, 24/48/80 V DC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Marine Duty, Miniature
- Interrupting Rating:
- 10000 A at 120/240 V AC, 5000 A at 24 to 48/62.5/80 V DC
MSRP $177.00Surplus $52.12 -
Eaton BAB2015HV Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph
MSRP $389.00Surplus $112.79Eaton BAB2015HV Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1037 Brand: Eaton MPN: BAB2015HV UPC: Shipping Weight: 1.50 lbs. Shipping Height: 2...- SKU:
- C15-1037
- Country of Origin:
- Dominican Republic
MSRP $389.00Surplus $112.79 -
Eaton BAB2015HVH08 Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph EA
MSRP $261.00Surplus $30.99Eaton BAB2015HVH08 Miniature Circuit Breakers (MCBs) BA 2P 15A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-5082 Brand: Eaton MPN: BAB2015HVH08 UPC: 78667976549 Shipping Weight: 0.65 Shipping...- SKU:
- C15-5082
- Type:
- Thermal Magnetic
- Type:
- Tri-Pac FB
- Type:
- Fused
- Approval:
- UL
- Size:
- 4.125 Inch Width x 3.5 Inch Depth x 8.75 Inch Height
- Volts:
- 600 VAC
- Volts:
- 250 VDC
- Amps:
- 20 A
- Interrupting Rating:
- 200 kA
- Terminal Type:
- Line and Load
- Wire Size:
- 14 to 1/0 AWG Copper/Aluminum
- Poles:
- 3
- Catalog:
- EatonCorp-CutlerHammer_00004_117_CAT.pdf
- Specification/Technical:
- Eaton_11394_1_2_SPEC.pdf
- Number of Poles:
- 2
MSRP $261.00Surplus $30.99 -
Eaton BAB2020HS Miniature Circuit Breakers (MCBs)
MSRP $1,112.58Surplus $339.12SKU: C15-11580 Brand: Eaton MPN: BAB2020HS UPC: 78211479681 Shipping Weight: 0.95 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11580
- Voltage Rating:
- 240 V AC, 24/48/80 V DC
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- 240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Type BAB, Non-Interchangeable Industrial Circuit Breaker
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Type:
- Thermal Magnetic, Non-Interchangeable Trip, Miniature
- Terminal Type:
- Steel Box Lug Standard Load
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 V AC, 5000 A at 24 to 48/62.5/80 V DC
MSRP $1,112.58Surplus $339.12 -
Eaton BAB2020HT Miniature Circuit Breakers (MCBs) BA 2P 20A 240V 50/60Hz 1Ph EA
MSRP $420.00Surplus $98.61SKU: C15-1043 Brand: Eaton MPN: BAB2020HT UPC: 786679202210 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In. Shipping Length: 2.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1043
- Series:
- Quicklag
- Volts:
- 240 V
- Amps:
- 20 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- TS PIK:
- 115286036
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Country of Origin:
- Dominican Republic
MSRP $420.00Surplus $98.61 -
Eaton BAB2020HTS Miniature Circuit Breakers (MCBs) EA
MSRP $600.00Surplus $40.50Eaton BAB2020HTS Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9714 Brand: Eaton MPN: BAB2020HTS UPC: Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9714
- Number of Poles:
- 2
MSRP $600.00Surplus $40.50 -
Eaton BAB2020V Miniature Circuit Breakers (MCBs)
MSRP $173.00Surplus $64.94SKU: C15-1045 Brand: Eaton MPN: BAB2020V UPC: 786679302248 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1045
- TS PIK:
- 107000987
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
MSRP $173.00Surplus $64.94 -
Eaton BAB2025HT Miniature Circuit Breakers (MCBs) EA
MSRP $453.59Surplus $154.75Eaton BAB2025HT Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5262 Brand: Eaton MPN: BAB2025HT UPC: 78211416413 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-5262
- Amps:
- 25 A
- Poles:
- 2
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $453.59Surplus $154.75 -
Eaton BAB2030HT Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph EA
MSRP $420.00Surplus $69.98Eaton BAB2030HT Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-4026 Brand: Eaton MPN: BAB2030HT UPC: 782114288030 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-4026
- Series:
- BAB
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 2
- Frequency Rating:
- 50/60 Hz
- Short Description:
- EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
- TS PIK:
- 126899806
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $420.00Surplus $69.98 -
Eaton BAB2030HTS Miniature Circuit Breakers (MCBs) EA
MSRP $400.00Surplus $49.51Eaton BAB2030HTS Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-11214 Brand: Eaton MPN: BAB2030HTS UPC: Shipping Weight: 0.80 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-11214
- Series:
- BAB
- Current Rating:
- 30 A
- Number of Poles:
- 2
MSRP $400.00Surplus $49.51 -
Eaton BAB2030S Miniature Circuit Breakers (MCBs) BAB 2P 30A 240V 50/60Hz 1Ph
MSRP $560.00Surplus $130.13SKU: C15-1051 Brand: Eaton MPN: BAB2030S UPC: 786679509623 Shipping Weight: 0.85 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1051
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $560.00Surplus $130.13 -
Eaton BAB2035H Miniature Circuit Breakers (MCBs) BA 2P 35A 240V 50/60Hz 1Ph EA
MSRP $333.00Surplus $139.42Eaton BAB2035H Miniature Circuit Breakers (MCBs) BA 2P 35A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3078 Brand: Eaton MPN: BAB2035H UPC: 786679152423 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-3078
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 35 A
- Interrupting Rating:
- 10000 Ampere at 120/240 VAC
- Interrupting Rating:
- 5000 Ampere at 24 to 48/62.5/80 VDC
- Mounting:
- Bolt-On
- Poles:
- 2
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Type:
- Thermal Magnetic
- Volts:
- 240 VAC
- Gauge:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 240 VAC, 35 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Series:
- BAB
- Specification/Technical:
- Eaton_05349_1_2_SPEC.pdf
MSRP $333.00Surplus $139.42 -
Eaton BAB2035V Miniature Circuit Breakers (MCBs)
MSRP $299.77Surplus $92.35SKU: C15-11444 Brand: Eaton MPN: BAB2035V UPC: Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11444
- TS PIK:
- 107002431
MSRP $299.77Surplus $92.35 -
Eaton BAB2040 Miniature Circuit Breakers (MCBs) 2P 40A EA
MSRP $151.20Surplus $58.09Eaton BAB2040 Miniature Circuit Breakers (MCBs) 2P 40A EA​ ARCA SKU: C15-5634 Brand: Eaton MPN: BAB2040 UPC: 78667930240 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5634
- TS PIK:
- 21508687
- Catalog:
- EatonCorp_00004_V4T1_12_CAT.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10000 A
- Terminal Type:
- Bolt-On
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Series:
- BAB
- Short Description:
- 2" x 3.1" x 2.9", 120/240 VAC, 40 A at 40 Deg C, 10000 A Interrupt, 2-Pole, Bolt-On, Thermal Magnetic, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Size:
- 2 Inch Width x 3.1 Inch Depth x 2.9 Inch Height
- Country of Origin:
- Dominican Republic
MSRP $151.20Surplus $58.09 -
Eaton BAB2040S Miniature Circuit Breakers (MCBs) BA 2P 40A 120/240V 50/60Hz 1Ph EA
MSRP $519.81Surplus $124.32SKU: C15-1056 Brand: Eaton MPN: BAB2040S UPC: 786679369784 Shipping Weight: 0.95 lbs. Shipping Height: 5.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1056
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Interrupting Rating:
- 5000 A at 24 to 48/62.5/80 VDC
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
- Catalog:
- Eaton_21247_4_9_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $519.81Surplus $124.32 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA
MSRP $141.00Surplus $43.29Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V 0Ph EA​ ARCA SKU: C15-5596 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In...- SKU:
- C15-5596
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Mounting:
- Bolt-On
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Current Rating:
- 45 A
- Country of Origin:
- Dominican Republic
MSRP $141.00Surplus $43.29 -
Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
MSRP $155.60Surplus $43.36Eaton BAB2045 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA​ ARCA SKU: C15-1057 Brand: Eaton MPN: BAB2045 UPC: 786679302446 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1057
- Series:
- BAB
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Extended Tang Line Terminal
- Terminal Type:
- Box Lug Load Terminal
- Wire Size:
- 14 to 4 AWG Load (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 45 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 45 A
- Number of Poles:
- 2
- Country of Origin:
- Dominican Republic
MSRP $155.60Surplus $43.36 -
Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA
MSRP $341.00Surplus $117.20Eaton BAB2050H Miniature Circuit Breakers (MCBs) BA 2P 50A 120/240V 50/60Hz 1Ph EA​ ARCA SKU: C15-1060 Brand: Eaton MPN: BAB2050H UPC: 786679302521 Shipping Weight: 0.65 lbs. Shipping...- SKU:
- C15-1060
- TS PIK:
- 21508691
- Short Description:
- 240 VAC, 50 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Series:
- BAB
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Voltage Rating:
- 240 VAC
- Mounting:
- Bolt-On
- Number of Poles:
- 2
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Current Rating:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
- Country of Origin:
- Dominican Republic
MSRP $341.00Surplus $117.20 -
Eaton BAB2060 Miniature Circuit Breakers (MCBs)
MSRP $151.20Surplus $48.92SKU: C15-5638 Brand: Eaton MPN: BAB2060 UPC: Shipping Weight: 0.60 lbs. Shipping Height: 4.00 In. Shipping Length: 2.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-5638
- TS PIK:
- 21508693
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 24 to 48/62.5/80 VDC
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Series:
- BAB
- Country of Origin:
- Dominican Republic
MSRP $151.20Surplus $48.92