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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Weidmuller SU1C10UC Circuit Breaker Accessories EA
MSRP $34.00Surplus $8.62Weidmuller SU1C10UC Circuit Breaker Accessories EA​ ARCA SKU: C15-9499 Brand: Weidmuller MPN: SU1C10UC UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9499
MSRP $34.00Surplus $8.62 -
Westinghouse 1256C41G01 Circuit Breaker Accessories BOX
MSRP $250.00Surplus $14.58Westinghouse 1256C41G01 Circuit Breaker Accessories BOX​ ARCA SKU: C15-8777 Brand: Westinghouse MPN: 1256C41G01 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-8777
MSRP $250.00Surplus $14.58 -
Westinghouse 2600D26G01 Circuit Breaker Accessories EA
MSRP $186.75Surplus $42.02Westinghouse 2600D26G01 Circuit Breaker Accessories EA​ ARCA SKU: L19-4996 Brand: Westinghouse MPN: 2600D26G01 UPC: 78667930507 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In...- SKU:
- L19-4996
- Country of Origin:
- United States
MSRP $186.75Surplus $42.02 -
Westinghouse A206S1MDA-BLL2TT2Y2 Motor Circuit Protector (MCPs)
MSRP $400.00Surplus $58.84Westinghouse A206S1MDA-BLL2TT2Y2 Motor Circuit Protector (MCPs)​ ARCA SKU: C15-8994 Brand: Westinghouse MPN: A206S1MDA-BLL2TT2Y2 UPC: Shipping Weight: 43.30 lbs. Shipping Height: 7...- SKU:
- C15-8994
MSRP $400.00Surplus $58.84 -
Westinghouse BAB1015 Miniature Circuit Breakers (MCBs) EA
MSRP $68.42Surplus $4.11Westinghouse BAB1015 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9421 Brand: Westinghouse MPN: BAB1015 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9421
- TS PIK:
- 21508666
- Series:
- BAB
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 24 to 48 VDC, 3.8 kA at 62.5 VDC
- Current Rating:
- 15 A
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Dominican Republic
MSRP $68.42Surplus $4.11 -
Westinghouse BAB1020 Miniature Circuit Breakers (MCBs) EA
MSRP $68.42Surplus $3.42Westinghouse BAB1020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9422 Brand: Westinghouse MPN: BAB1020 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9422
- TS PIK:
- 21508667
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum) (Load)
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Type:
- Thermal Magnetic, Miniature
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Mounting:
- Bolt-On
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
- Country of Origin:
- Dominican Republic
MSRP $68.42Surplus $3.42 -
Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)
MSRP $109.00Surplus $18.14Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-11420 Brand: Westinghouse MPN: BAB1050 UPC: Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11420
- Type:
- Thermal Magnetic
- Series:
- BAB
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- 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 VDC, 3800 A at 62.5 VDC
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
MSRP $109.00Surplus $18.14 -
Westinghouse BAB2060S Miniature Circuit Breakers (MCBs)
MSRP $207.38Surplus $65.32SKU: C15-11630 Brand: Westinghouse MPN: BAB2060S UPC: Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11630
MSRP $207.38Surplus $65.32 -
Westinghouse BAB3020H Miniature Circuit Breakers (MCBs) EA
MSRP $462.43Surplus $20.07Westinghouse BAB3020H Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9420 Brand: Westinghouse MPN: BAB3020H UPC: Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9420
- TS PIK:
- 21508706
- Short Description:
- 240 VAC, 20 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Terminal Type:
- Extended Tang Line, Box Lug Load
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 20 A
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Load)
- Interrupting Rating:
- 10 kA at 240 VAC
- Catalog:
- Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
- Mounting:
- Bolt-On
- Series:
- BAB
- Country of Origin:
- Dominican Republic
MSRP $462.43Surplus $20.07 -
Westinghouse EB2015 Molded Case Breakers (MCCBs)
MSRP $187.00Surplus $45.81Westinghouse EB2015 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6740 Brand: Westinghouse MPN: EB2015 UPC: Shipping Weight: 2.45 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-6740
MSRP $187.00Surplus $45.81 -
Westinghouse EB2040 Molded Case Breakers (MCCBs)
MSRP $800.00Surplus $142.31SKU: C15-6742 Brand: Westinghouse MPN: EB2040 UPC: Shipping Weight: 2.55 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-6742
MSRP $800.00Surplus $142.31 -
Westinghouse EB3015L Molded Case Breakers (MCCBs)
MSRP $335.00Surplus $71.39SKU: C15-11623 Brand: Westinghouse MPN: EB3015L UPC: 0 Shipping Weight: 2.90 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-11623
MSRP $335.00Surplus $71.39 -
Westinghouse EB3050 Molded Case Breakers (MCCBs)
MSRP $228.00Surplus $63.81Westinghouse EB3050 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6738 Brand: Westinghouse MPN: EB3050 UPC: Shipping Weight: 3.40 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-6738
MSRP $228.00Surplus $63.81 -
Westinghouse EDH3200 Molded Case Breakers (MCCBs) 3P 200A
MSRP $2,414.68Surplus $541.64Westinghouse EDH3200 Molded Case Breakers (MCCBs) 3P 200A​ ARCA SKU: C15-7787 Brand: Westinghouse MPN: EDH3200 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7787
- Short Description:
- 240 VAC 50/60 Hz, 125 VDC, 200 A, 100/10 kA, 3-Pole, Standard Pressure Load Terminal, EDH Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Voltage Rating:
- 240 VAC at 50/60 Hz, 125 VDC
- Series:
- C
- Number of Poles:
- 3
- Frame Type:
- F
- Data Sheet:
- Eaton_07831_1-3_DATA.pdf
- Installation/Operator:
- Eaton_00091_INST.pdf
- Interrupting Rating:
- 100 kA at 240 VAC, 10 kA at 125 VDC
- Maximum AC Voltage Rating:
- 240
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
- Maximum DC Voltage Rating:
- 125
- Current Rating:
- 200 A
- Terminal Type:
- Standard Pressure Load Terminal
- Type:
- Molded Case, Thermal Magnetic
- Size:
- 4.13 Inch W x 3.38 Inch D x 6 Inch H
MSRP $2,414.68Surplus $541.64 -
Westinghouse EHB2070 Molded Case Breakers (MCCBs)
MSRP $654.00Surplus $90.97SKU: C15-11618 Brand: Westinghouse MPN: EHB2070 UPC: Shipping Weight: 2.65 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-11618
MSRP $654.00Surplus $90.97 -
Westinghouse FA2030 Other Circuit Breakers
MSRP $50.00Surplus $30.44Westinghouse FA2030 Other Circuit Breakers​ ARCA SKU: C15-6766 Brand: Westinghouse MPN: FA2030 UPC: Shipping Weight: 3.90 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- C15-6766
MSRP $50.00Surplus $30.44 -
Westinghouse FB2480MRL Molded Case Breakers (MCCBs)
MSRP $1,750.00Surplus $322.19SKU: C15-6764 Brand: Westinghouse MPN: FB2480MRL UPC: Shipping Weight: 4.00 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 5.00 In...- SKU:
- C15-6764
MSRP $1,750.00Surplus $322.19 -
Westinghouse FB3045SMRL Molded Case Breakers (MCCBs)
MSRP $650.00Surplus $108.84Westinghouse FB3045SMRL Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6772 Brand: Westinghouse MPN: FB3045SMRL UPC: Shipping Weight: 4.20 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-6772
MSRP $650.00Surplus $108.84 -
Westinghouse FD4040E Molded Case Breakers (MCCBs) 4P 40A 50/60Hz 3Ph EA
MSRP $3,037.87Surplus $779.84SKU: U00-3199 Brand: Westinghouse MPN: FD4040E UPC: 78667924918 Shipping Weight: 5.90 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 7.00 In...- SKU:
- U00-3199
- Country of Origin:
- United States
MSRP $3,037.87Surplus $779.84 -
Westinghouse GHB1020 Molded Case Breakers (MCCBs) EA
MSRP $190.38Surplus $4.23Westinghouse GHB1020 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9424 Brand: Westinghouse MPN: GHB1020 UPC: Shipping Weight: 0.55 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-9424
- TS PIK:
- 113894499
- Short Description:
- 277/480 VAC 50/60 Hz, 125 VDC, 20 A, 14 kA, 1-Pole, Steel Pressure Screw Line and Load Terminal, GHB Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Current Rating:
- 20 A
- Series:
- C
- Number of Poles:
- 1
- Interrupting Rating:
- 14 kA at 277 VAC
- Frame Type:
- GHB
- Type:
- Molded Case, Fixed Thermal Magnetic
- Catalog:
- Eaton_27487_V4T2_254_V4T2_255_V4T2_259_V4T2_260_CAT.pdf
- Terminal Type:
- Screw Type ClA
- Size:
- 1 Inch Width x 2.63 Inch Depth x 4 Inch Height
- Maximum AC Voltage Rating:
- 480 V
- Installation/Operator:
- Eaton_00166_INST.pdf
- Voltage Rating:
- 277/480 VAC 50/60 Hertz, 125 VDC
- Maximum DC Voltage Rating:
- 125 V
MSRP $190.38Surplus $4.23