Circuit Breakers

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Westinghouse 2600D26G01 Circuit Breaker Accessories EA

    Westinghouse 2600D26G01 Circuit Breaker Accessories EA

    MSRP $186.75
    Surplus $42.02
    Westinghouse 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 $186.75
    Surplus $42.02
    Qty in Cart: 0
    Price:
    MSRP $186.75
    Surplus $42.02
    Subtotal:
  • Westinghouse BAB1015 Miniature Circuit Breakers (MCBs) EA Westinghouse BAB1015 Miniature Circuit Breakers (MCBs) EA

    Westinghouse BAB1015 Miniature Circuit Breakers (MCBs) EA

    MSRP $68.42
    Surplus $4.11
    Westinghouse 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 $68.42
    Surplus $4.11
    Qty in Cart: 0
    Price:
    MSRP $68.42
    Surplus $4.11
    Subtotal:
  • Westinghouse BAB1020 Miniature Circuit Breakers (MCBs) EA Westinghouse BAB1020 Miniature Circuit Breakers (MCBs) EA

    Westinghouse BAB1020 Miniature Circuit Breakers (MCBs) EA

    MSRP $68.42
    Surplus $3.42
    Westinghouse 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 $68.42
    Surplus $3.42
    Qty in Cart: 0
    Price:
    MSRP $68.42
    Surplus $3.42
    Subtotal:
  • Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)

    Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)

    MSRP $109.00
    Surplus $18.14
    Westinghouse 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 $109.00
    Surplus $18.14
    Qty in Cart: 0
    Price:
    MSRP $109.00
    Surplus $18.14
    Subtotal:
  • Westinghouse BAB3020H Miniature Circuit Breakers (MCBs) EA Westinghouse BAB3020H Miniature Circuit Breakers (MCBs) EA

    Westinghouse BAB3020H Miniature Circuit Breakers (MCBs) EA

    MSRP $462.43
    Surplus $20.07
    Westinghouse 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 $462.43
    Surplus $20.07
    Qty in Cart: 0
    Price:
    MSRP $462.43
    Surplus $20.07
    Subtotal:
  • Westinghouse EDH3200 Molded Case Breakers (MCCBs) 3P 200A

    Westinghouse EDH3200 Molded Case Breakers (MCCBs) 3P 200A

    MSRP $2,414.68
    Surplus $541.64
    Westinghouse 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 $2,414.68
    Surplus $541.64
    Qty in Cart: 0
    Price:
    MSRP $2,414.68
    Surplus $541.64
    Subtotal:
  • Westinghouse FA2030 Other Circuit Breakers

    Westinghouse FA2030 Other Circuit Breakers

    MSRP $50.00
    Surplus $30.44
    Westinghouse 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 $50.00
    Surplus $30.44
    Qty in Cart: 0
    Price:
    MSRP $50.00
    Surplus $30.44
    Subtotal:
  • Westinghouse FD4040E Molded Case Breakers (MCCBs) 4P 40A 50/60Hz 3Ph EA

    Westinghouse FD4040E Molded Case Breakers (MCCBs) 4P 40A 50/60Hz 3Ph EA

    MSRP $3,037.87
    Surplus $779.84
    SKU:  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 $3,037.87
    Surplus $779.84
    Qty in Cart: 0
    Price:
    MSRP $3,037.87
    Surplus $779.84
    Subtotal:
  • Westinghouse GHB1020 Molded Case Breakers (MCCBs) EA Westinghouse GHB1020 Molded Case Breakers (MCCBs) EA

    Westinghouse GHB1020 Molded Case Breakers (MCCBs) EA

    MSRP $190.38
    Surplus $4.23
    Westinghouse 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 $190.38
    Surplus $4.23
    Qty in Cart: 0
    Price:
    MSRP $190.38
    Surplus $4.23
    Subtotal:
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