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
  • Allen Bradley 1492-GHD070 Miniature Circuit Breakers (MCBs) 2P 7A Allen Bradley 1492-GHD070 Miniature Circuit Breakers (MCBs) 2P 7A

    Allen Bradley 1492-GHD070 Miniature Circuit Breakers (MCBs) 2P 7A

    MSRP $137.00
    Surplus $40.92
    Allen Bradley 1492-GHD070 Miniature Circuit Breakers (MCBs) 2P 7A​ ARCA SKU:  C15-8893 Brand:  Allen Bradley MPN:  1492-GHD070 UPC:  10662073341939 Shipping Weight:  0.30 lbs. Shipping...
    SKU:
    C15-8893
    Number of Poles:
    1
    MSRP $137.00
    Surplus $40.92
    Qty in Cart: 0
    Price:
    MSRP $137.00
    Surplus $40.92
    Subtotal:
  • Altech 1G10UM Miniature Circuit Breakers (MCBs) 1P 10A 277VAC Altech 1G10UM Miniature Circuit Breakers (MCBs) 1P 10A 277VAC

    Altech 1G10UM Miniature Circuit Breakers (MCBs) 1P 10A 277VAC

    MSRP $25.00
    Surplus $5.57
    Altech 1G10UM Miniature Circuit Breakers (MCBs) 1P 10A 277VAC​ ARCA SKU:  C15-4780 Brand:  Altech MPN:  1G10UM UPC:   Shipping Weight:  0.30 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4780
    Volts:
    277 VAC
    Amps:
    10 A
    Poles:
    1
    Number of Poles:
    1
    MSRP $25.00
    Surplus $5.57
    Qty in Cart: 0
    Price:
    MSRP $25.00
    Surplus $5.57
    Subtotal:
  • C15-11547

    Buss Fuses GMA-3.5A Motor Circuit Protector (MCPs)

    MSRP $10.00
    Surplus $2.73
    SKU:  C15-11547 Brand:  Buss Fuses MPN:  GMA-3.5A UPC:   Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping Length:  3.00 In. Shipping Width:  1.00 In. Product...
    SKU:
    C15-11547
    Series:
    GMA
    Voltage Rating:
    125 VAC
    Current Rating:
    3.5 A
    Short Description:
    5 MM x 20 MM, 125 VAC, 3.5 A, 10 kA Interrupt Rating, Ferrule Terminal, Fast Acting, Glass Tube, Electronic Fuse (5 per Pack)
    Approval:
    UL 248-14, CSA, CE, PSE
    Type:
    Glass Tube
    Terminal Type:
    Ferrule
    Interrupting Rating:
    10000 A at 125 V AC
    MSRP $10.00
    Surplus $2.73
    Qty in Cart: 0
    Price:
    MSRP $10.00
    Surplus $2.73
    Subtotal:
  • Cbi QL-1-13-DM-KM-2A-LW Miniature Circuit Breakers (MCBs) 1P 2A 240V 50/60Hz Cbi QL-1-13-DM-KM-2A-LW Miniature Circuit Breakers (MCBs) 1P 2A 240V 50/60Hz

    Cbi QL-1-13-DM-KM-2A-LW Miniature Circuit Breakers (MCBs) 1P 2A 240V 50/60Hz

    MSRP $130.00
    Surplus $9.62
    Cbi QL-1-13-DM-KM-2A-LW Miniature Circuit Breakers (MCBs) 1P 2A 240V 50/60Hz​ ARCA SKU:  C15-4646 Brand:  Cbi MPN:  QL-1-13-DM-KM-2A-LW UPC:   Shipping Weight:  0.25 Shipping Height:  1.00 In...
    SKU:
    C15-4646
    Volts:
    240 V
    Amps:
    2 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    Series:
    QL
    MSRP $130.00
    Surplus $9.62
    Qty in Cart: 0
    Price:
    MSRP $130.00
    Surplus $9.62
    Subtotal:
  • Cbi QL18KM10 Miniature Circuit Breakers (MCBs) 1P 12.5A 240V 50/60Hz Cbi QL18KM10 Miniature Circuit Breakers (MCBs) 1P 12.5A 240V 50/60Hz

    Cbi QL18KM10 Miniature Circuit Breakers (MCBs) 1P 12.5A 240V 50/60Hz

    MSRP $55.00
    Surplus $10.28
    Cbi QL18KM10 Miniature Circuit Breakers (MCBs) 1P 12.5A 240V 50/60Hz​ ARCA SKU:  C15-4644 Brand:  Cbi MPN:  QL18KM10 UPC:   Shipping Weight:  0.20 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-4644
    Volts:
    240 V
    Amps:
    12.5 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    Series:
    QL
    MSRP $55.00
    Surplus $10.28
    Qty in Cart: 0
    Price:
    MSRP $55.00
    Surplus $10.28
    Subtotal:
  • Challenger A1515 Miniature Circuit Breakers (MCBs) 1P 15/15A 50/60Hz 1Ph EA

    Challenger A1515 Miniature Circuit Breakers (MCBs) 1P 15/15A 50/60Hz 1Ph EA

    MSRP $100.00
    Surplus $13.99
    Challenger A1515 Miniature Circuit Breakers (MCBs) 1P 15/15A 50/60Hz 1Ph EA​ ARCA SKU:  C15-8208 Brand:  Challenger MPN:  A1515 UPC:  722856227089 Shipping Weight:  4.25 lbs. Shipping...
    SKU:
    C15-8208
    Number of Poles:
    1
    MSRP $100.00
    Surplus $13.99
    Qty in Cart: 0
    Price:
    MSRP $100.00
    Surplus $13.99
    Subtotal:
  • Challenger C115 Miniature Circuit Breakers (MCBs) 1P 15A 50/60Hz 1Ph EA

    Challenger C115 Miniature Circuit Breakers (MCBs) 1P 15A 50/60Hz 1Ph EA

    MSRP $100.00
    Surplus $11.56
    Challenger C115 Miniature Circuit Breakers (MCBs) 1P 15A 50/60Hz 1Ph EA​ ARCA SKU:  C15-8216 Brand:  Challenger MPN:  C115 UPC:   Shipping Weight:  0.80 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-8216
    Short Description:
    12 to 10 AWG, #10 Stud, 600 V, Metallic, Electrolytic Tin Plated Copper, Non-Insulated, Serrated Brazed Seam Barrel, Electrical, Fork Terminal (500 per Pack)
    Type:
    Standard
    Catalog:
    ABB-StaKon_00078_23_26_CAT.pdf
    Number of Poles:
    1
    MSRP $100.00
    Surplus $11.56
    Qty in Cart: 0
    Price:
    MSRP $100.00
    Surplus $11.56
    Subtotal:
  • Challenger C120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA

    Challenger C120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA

    MSRP $23.61
    Surplus $7.37
    Challenger C120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA​ ARCA SKU:  C15-5783 Brand:  Challenger MPN:  C120 UPC:   Shipping Weight:  1.60 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-5783
    Type:
    Hand-Held Oscilloscope
    Short Description:
    Heavy Duty, Oscilloscope Hard Carrying Case for Fluke-725 Multifunction Calibrator
    Size:
    397 Millimeter Width x 128 Millimeter Depth x 346 Millimeter Height
    Number of Poles:
    1
    MSRP $23.61
    Surplus $7.37
    Qty in Cart: 0
    Price:
    MSRP $23.61
    Surplus $7.37
    Subtotal:
  • Challenger C230 Miniature Circuit Breakers (MCBs) 2P 30A 50/60Hz 3Ph EA

    Challenger C230 Miniature Circuit Breakers (MCBs) 2P 30A 50/60Hz 3Ph EA

    MSRP $100.00
    Surplus $22.15
    Challenger C230 Miniature Circuit Breakers (MCBs) 2P 30A 50/60Hz 3Ph EA​ ARCA SKU:  C15-8210 Brand:  Challenger MPN:  C230 UPC:  08593795794 Shipping Weight:  1.30 lbs. Shipping Height:  5...
    SKU:
    C15-8210
    Size:
    12.3 Inch x 9.3 Inch x 16.4 Inch
    Short Description:
    1-Ply Capacity, Towel Dispenser (1 per Pack)
    Type:
    Electronic Hybrid Roll
    Number of Poles:
    2
    Country of Origin:
    USA
    MSRP $100.00
    Surplus $22.15
    Qty in Cart: 0
    Price:
    MSRP $100.00
    Surplus $22.15
    Subtotal:
  • Challenger C315 Everything Else EA

    Challenger C315 Everything Else EA

    MSRP $176.00
    Surplus $49.60
    Challenger C315 Everything Else EA​ ARCA SKU:  U00-3273 Brand:  Challenger MPN:  C315 UPC:  10786849465527 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    U00-3273
    MSRP $176.00
    Surplus $49.60
    Qty in Cart: 0
    Price:
    MSRP $176.00
    Surplus $49.60
    Subtotal:
  • Challenger C330 Miniature Circuit Breakers (MCBs)

    Challenger C330 Miniature Circuit Breakers (MCBs)

    MSRP $100.00
    Surplus $42.72
    Challenger C330 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8220 Brand:  Challenger MPN:  C330 UPC:   Shipping Weight:  1.15 lbs. Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-8220
    Type:
    Cable, Braided Shielded
    Short Description:
    4-Conductor, Braided Shielded, Signal Processor Cable for CS700/CS800 Industrial Flame Monitoring Viewing Head
    Used On:
    CS700/CS800 Industrial Flame Monitoring Viewing Head
    Voltage Rating:
    115/230 VAC 1-Phase
    CAD Drawings:
    RegalBeloit-MarathonMotors_01426_1_CAD.pdf
    Mounting:
    Round Frame Mount
    Installation/Operator:
    RegalBeloit-MarathonMotors_00004_INST.pdf
    Number of Poles:
    3
    MSRP $100.00
    Surplus $42.72
    Qty in Cart: 0
    Price:
    MSRP $100.00
    Surplus $42.72
    Subtotal:
  • Total: items /

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