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 HFB1030 Molded Case Breakers (MCCBs)

    Westinghouse HFB1030 Molded Case Breakers (MCCBs)

    MSRP $300.00
    Surplus $84.30
    Westinghouse HFB1030 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-6793 Brand:  Westinghouse MPN:  HFB1030 UPC:   Shipping Weight:  1.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-6793
    Number of Poles:
    1
    MSRP $300.00
    Surplus $84.30
    Qty in Cart: 0
    Price:
    MSRP $300.00
    Surplus $84.30
    Subtotal:
  • Westinghouse HFB2030 Molded Case Breakers (MCCBs)

    Westinghouse HFB2030 Molded Case Breakers (MCCBs)

    MSRP $1,400.00
    Surplus $335.44
    SKU:  C15-6786 Brand:  Westinghouse MPN:  HFB2030 UPC:   Shipping Weight:  3.45 lbs. Shipping Height:  5.00 In. Shipping Length:  5.00 In. Shipping Width:  7.00 In. Product...
    SKU:
    C15-6786
    Number of Poles:
    2
    MSRP $1,400.00
    Surplus $335.44
    Qty in Cart: 0
    Price:
    MSRP $1,400.00
    Surplus $335.44
    Subtotal:
  • Westinghouse HFB3015 Molded Case Breakers (MCCBs) 3P 15A 50/60Hz 3Ph EA

    Westinghouse HFB3015 Molded Case Breakers (MCCBs) 3P 15A 50/60Hz 3Ph EA

    MSRP $5,123.00
    Surplus $401.29
    SKU:  C15-6787 Brand:  Westinghouse MPN:  HFB3015 UPC:   Shipping Weight:  3.90 lbs. Shipping Height:  5.00 In. Shipping Length:  5.00 In. Shipping Width:  7.00 In. Product...
    SKU:
    C15-6787
    Number of Poles:
    3
    MSRP $5,123.00
    Surplus $401.29
    Qty in Cart: 0
    Price:
    MSRP $5,123.00
    Surplus $401.29
    Subtotal:
  • Westinghouse HFB3030L Molded Case Breakers (MCCBs)

    Westinghouse HFB3030L Molded Case Breakers (MCCBs)

    MSRP $1,500.00
    Surplus $201.62
    SKU:  C15-6781 Brand:  Westinghouse MPN:  HFB3030L UPC:   Shipping Weight:  4.20 lbs. Shipping Height:  5.00 In. Shipping Length:  5.00 In. Shipping Width:  7.00 In. Product...
    SKU:
    C15-6781
    Number of Poles:
    3
    MSRP $1,500.00
    Surplus $201.62
    Qty in Cart: 0
    Price:
    MSRP $1,500.00
    Surplus $201.62
    Subtotal:
  • Westinghouse HKA3100T Molded Case Breakers (MCCBs)

    Westinghouse HKA3100T Molded Case Breakers (MCCBs)

    MSRP $3,550.00
    Surplus $985.73
    SKU:  C15-6861 Brand:  Westinghouse MPN:  HKA3100T UPC:   Shipping Weight:  1.85 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-6861
    Number of Poles:
    3
    MSRP $3,550.00
    Surplus $985.73
    Qty in Cart: 0
    Price:
    MSRP $3,550.00
    Surplus $985.73
    Subtotal:
  • Westinghouse HKA3225T Molded Case Breakers (MCCBs) 3P 225A

    Westinghouse HKA3225T Molded Case Breakers (MCCBs) 3P 225A

    MSRP $5,644.76
    Surplus $1,658.78
    SKU:  A13-1411 Brand:  Westinghouse MPN:  HKA3225T UPC:  78667918225 Shipping Weight:  2.20 lbs. Shipping Height:  6.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00...
    SKU:
    A13-1411
    TS PIK:
    115927039
    MSRP $5,644.76
    Surplus $1,658.78
    Qty in Cart: 0
    Price:
    MSRP $5,644.76
    Surplus $1,658.78
    Subtotal:
  • Westinghouse HKW3400 Molded Case Breakers (MCCBs) 3P 400A

    Westinghouse HKW3400 Molded Case Breakers (MCCBs) 3P 400A

    MSRP $14,524.85
    Surplus $3,066.16
    SKU:  C15-6862 Brand:  Westinghouse MPN:  HKW3400 UPC:  78667901038 Shipping Weight:  11.95 lbs. Shipping Height:  7.00 In. Shipping Length:  12.00 In. Shipping Width:  7.00...
    SKU:
    C15-6862
    TS PIK:
    115927043
    Country of Origin:
    Dominican Republic
    MSRP $14,524.85
    Surplus $3,066.16
    Qty in Cart: 0
    Price:
    MSRP $14,524.85
    Surplus $3,066.16
    Subtotal:
  • Westinghouse HQP2020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA

    Westinghouse HQP2020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA

    MSRP $163.78
    Surplus $7.74
    Westinghouse HQP2020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA​ ARCA SKU:  C15-5581 Brand:  Westinghouse MPN:  HQP2020 UPC:  78667934390 Shipping Weight:  0.55 lbs. Shipping...
    SKU:
    C15-5581
    TS PIK:
    21509588
    Terminal Type:
    Plug-On
    Catalog:
    Eaton_03771_V4T1_5_V4T1_6_CAT.pdf
    Short Description:
    120/240 VAC, 20 A, 10 kA, 2-Pole, Female Clip Terminal, Plug-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Type:
    Thermal Magnetic
    Number of Poles:
    2
    Series:
    HQP
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Interrupting Rating:
    10000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
    Mounting:
    Plug-On
    Country of Origin:
    Dominican Republic
    MSRP $163.78
    Surplus $7.74
    Qty in Cart: 0
    Price:
    MSRP $163.78
    Surplus $7.74
    Subtotal:
  • Eaton BRP120AF Miniature Circuit Breakers (MCBs) Eaton BRP120AF Miniature Circuit Breakers (MCBs)

    Eaton BRP120AF Miniature Circuit Breakers (MCBs)

    MSRP $130.00
    Surplus $36.88
    Eaton BRP120AF Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-1349 Brand:  Eaton MPN:  BRP120AF UPC:  78668904102 Shipping Weight:  0.45 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-1349
    Approval:
    UL
    Size:
    1 Inch Width x 2.56 Inch Depth x 1.1 Inch Height
    Volts:
    120 VAC
    Amps:
    32 A
    Interrupting Rating:
    10 kA
    Enclosure:
    Indoor/Outdoor
    Terminal Type:
    Plug-On
    Application:
    BR Load Center
    Wire Size:
    14 to 8 AWG (Copper/Aluminum)
    Poles:
    1
    Short Description:
    120 VAC, 20 A, 1-Pole, 10 kA, Plug-On Neutral, Wide
    Catalog:
    Eaton_00001_V1T1_50_V1T1_86_CAT.pdf
    Installation/Operator:
    Eaton_00005_INST.pdf
    CAD Drawing:
    Eaton_41108_1_CAD.pdf
    TS PIK:
    127414229
    Voltage Rating:
    120 VAC
    Current Rating:
    20 A
    Type:
    Plug-On Neutral, Wide
    Mounting:
    Plug-On
    Number of Poles:
    1
    Series:
    BR
    MSRP $130.00
    Surplus $36.88
    Qty in Cart: 0
    Price:
    MSRP $130.00
    Surplus $36.88
    Subtotal:
  • Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph

    Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph

    MSRP $692.77
    Surplus $129.39
    Eaton GFTCB250CS Miniature Circuit Breakers (MCBs) GF 2P 50A 240V 50/60Hz 1Ph​ ARCA SKU:  C15-2806 Brand:  Eaton MPN:  GFTCB250CS UPC:  786680148712 Shipping Weight:  0.85 Shipping Height:  3.00...
    SKU:
    C15-2806
    Series:
    GF
    Volts:
    240 V
    Amps:
    50 A
    Poles:
    2
    Frequency Rating:
    50/60 Hz
    Short Description:
    EATON BR GFCI CIRCUIT BREAKER,GROUND FAULT PERSONNEL PROTECTION CIRCUIT BREAKERS
    Number of Poles:
    2
    Country of Origin:
    Dominican Republic
    MSRP $692.77
    Surplus $129.39
    Qty in Cart: 0
    Price:
    MSRP $692.77
    Surplus $129.39
    Subtotal:
  • Westinghouse 1258C89G01 Air Circuit Breakers (ACBs) EA

    Westinghouse 1258C89G01 Air Circuit Breakers (ACBs) EA

    MSRP $1,800.00
    Surplus $198.98
    SKU:  E30-11871 Brand:  Westinghouse MPN:  1258C89G01 UPC:  78667802468 Shipping Weight:  3.90 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  4...
    SKU:
    E30-11871
    Short Description:
    Westinghouse Air Circuit Breaker
    MSRP $1,800.00
    Surplus $198.98
    Qty in Cart: 0
    Price:
    MSRP $1,800.00
    Surplus $198.98
    Subtotal:
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