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
  • Eaton 1275C85G02 Circuit Breaker Accessories Connector Eaton 1275C85G02 Circuit Breaker Accessories Connector

    Eaton 1275C85G02 Circuit Breaker Accessories Connector

    MSRP $415.00
    Surplus $49.57
    Eaton 1275C85G02 Circuit Breaker Accessories Connector​ ARCA SKU:  C15-4287 Brand:  Eaton MPN:  1275C85G02 UPC:   Shipping Weight:  1.90 Shipping Height:  3.00 In. Shipping Length:  12...
    SKU:
    C15-4287
    Type:
    Connector
    MSRP $415.00
    Surplus $49.57
    Qty in Cart: 0
    Price:
    MSRP $415.00
    Surplus $49.57
    Subtotal:
  • Eaton 1275C85G03 Circuit Breaker Accessories Connector Eaton 1275C85G03 Circuit Breaker Accessories Connector

    Eaton 1275C85G03 Circuit Breaker Accessories Connector

    MSRP $532.00
    Surplus $71.08
    Eaton 1275C85G03 Circuit Breaker Accessories Connector​ ARCA SKU:  C15-4288 Brand:  Eaton MPN:  1275C85G03 UPC:  00786679826447 Shipping Weight:  2.45 Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-4288
    Type:
    Connector
    MSRP $532.00
    Surplus $71.08
    Qty in Cart: 0
    Price:
    MSRP $532.00
    Surplus $71.08
    Subtotal:
  • Eaton 1288C73G03 Circuit Breaker Accessories 6A 240V 50/60Hz Right Hand Mounting Eaton 1288C73G03 Circuit Breaker Accessories 6A 240V 50/60Hz Right Hand Mounting

    Eaton 1288C73G03 Circuit Breaker Accessories 6A 240V 50/60Hz Right Hand Mounting

    MSRP $762.00
    Surplus $228.65
    Eaton 1288C73G03 Circuit Breaker Accessories 6A 240V 50/60Hz Right Hand Mounting​ ARCA SKU:  C15-1419 Brand:  Eaton MPN:  1288C73G03 UPC:  786679552186 Shipping Weight:  0.25 Shipping Height:  3...
    SKU:
    C15-1419
    AC Voltage:
    240 V 50/60 Hertz
    Connection Contact Configuration:
    2A-2B
    Mounting Location:
    Right Pole
    Used On:
    GMCP C Series G Frame Molded Case Circuit Breaker
    Specification/Technical:
    Eaton_03947_1_2_SPEC.pdf
    Catalog:
    Eaton_03771_V4T2_360_V4T2_363_V4T2_381_CAT.pdf
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY AUXILIARY SWITCH, AUXILIARY SWITCH,
    Country of Origin:
    Dominican Republic
    MSRP $762.00
    Surplus $228.65
    Qty in Cart: 0
    Price:
    MSRP $762.00
    Surplus $228.65
    Subtotal:
  • Eaton 1294C01H01 Circuit Breaker Accessories Eaton 1294C01H01 Circuit Breaker Accessories

    Eaton 1294C01H01 Circuit Breaker Accessories

    MSRP $15.00
    Surplus $11.23
    SKU:  C15-2016 Brand:  Eaton MPN:  1294C01H01 UPC:  786679161401 Shipping Weight:  0.05 lbs. Shipping Height:  1.00 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-2016
    TS PIK:
    109647992
    Series:
    Series C
    Catalog:
    Eaton_03771_V4T2_363_V4T2_420_CAT.pdf
    Type:
    Non-Padlockable
    Short Description:
    Non-Padlockable Circuit Breaker Lock Dog
    Used On:
    GD/GHC/GHB/GMCP Circuit Breaker
    MSRP $15.00
    Surplus $11.23
    Qty in Cart: 0
    Price:
    MSRP $15.00
    Surplus $11.23
    Subtotal:
  • Eaton 1MMBC2 Circuit Breaker Accessories

    Eaton 1MMBC2 Circuit Breaker Accessories

    MSRP $128.24
    Surplus $48.71
    SKU:  C15-11668 Brand:  Eaton MPN:  1MMBC2 UPC:  78684905430 Shipping Weight:  0.15 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  2.00 In...
    SKU:
    C15-11668
    TS PIK:
    115857972
    Series:
    1MM
    Short Description:
    200 A, Hinged, Tenant Breaker Cover for 200 A Meter Pack and Meter Stack
    Catalog:
    Eaton_36620_V1T4_141_CAT.pdf
    Country of Origin:
    United States
    MSRP $128.24
    Surplus $48.71
    Qty in Cart: 0
    Price:
    MSRP $128.24
    Surplus $48.71
    Subtotal:
  • Eaton 1MMBPJ Circuit Breaker Accessories

    Eaton 1MMBPJ Circuit Breaker Accessories

    MSRP $216.16
    Surplus $61.21
    SKU:  C15-11665 Brand:  Eaton MPN:  1MMBPJ UPC:   Shipping Weight:  0.15 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  1.00 In. Product...
    SKU:
    C15-11665
    Series:
    1MM
    Catalog:
    Eaton_36620_V1T4_139_CAT.pdf
    Short Description:
    Plug-On, Jumper for 125/200 A Socket 1MP/1MM/3MM Modular Metering Stack
    Country of Origin:
    United States
    MSRP $216.16
    Surplus $61.21
    Qty in Cart: 0
    Price:
    MSRP $216.16
    Surplus $61.21
    Subtotal:
  • Eaton 1MMCBK Circuit Breaker Accessories Eaton 1MMCBK Circuit Breaker Accessories

    Eaton 1MMCBK Circuit Breaker Accessories

    MSRP $275.84
    Surplus $107.44
    Eaton 1MMCBK Circuit Breaker Accessories​ ARCA SKU:  C15-3238 Brand:  Eaton MPN:  1MMCBK UPC:  786685676036 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-3238
    Short Description:
    EATON METER STACK MOUNTING HARDWARE, REPLACEMENT MOUNTING HARDWARE, 1MP, 1MM, AN
    TS PIK:
    124993038
    Country of Origin:
    United States
    MSRP $275.84
    Surplus $107.44
    Qty in Cart: 0
    Price:
    MSRP $275.84
    Surplus $107.44
    Subtotal:
  • Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit

    Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit

    MSRP $15.00
    Surplus $4.20
    Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU:  C15-4417 Brand:  Eaton MPN:  21C6782G05 UPC:   Shipping Weight:  0.10 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4417
    Type:
    Mounting Screw Kit
    MSRP $15.00
    Surplus $4.20
    Qty in Cart: 0
    Price:
    MSRP $15.00
    Surplus $4.20
    Subtotal:
  • Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit

    Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit

    MSRP $32.50
    Surplus $17.13
    Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU:  C15-3551 Brand:  Eaton MPN:  21C6782G18 UPC:  786679990018 Shipping Weight:  0.05 Shipping Height:  0.20 In. Shipping...
    SKU:
    C15-3551
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKERS ELECTRICAL AFTERMARKET ACCESSORY BASE MOUNTIN
    Country of Origin:
    United States
    MSRP $32.50
    Surplus $17.13
    Qty in Cart: 0
    Price:
    MSRP $32.50
    Surplus $17.13
    Subtotal:
  • Eaton 2600D26G02 Circuit Breaker Accessories EA Eaton 2600D26G02 Circuit Breaker Accessories EA

    Eaton 2600D26G02 Circuit Breaker Accessories EA

    MSRP $226.01
    Surplus $53.54
    Eaton 2600D26G02 Circuit Breaker Accessories EA​ ARCA SKU:  C15-8830 Brand:  Eaton MPN:  2600D26G02 UPC:  78667983120 Shipping Weight:  1.10 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8830
    Country of Origin:
    United States
    MSRP $226.01
    Surplus $53.54
    Qty in Cart: 0
    Price:
    MSRP $226.01
    Surplus $53.54
    Subtotal:
  • Eaton 2606D58G19 Circuit Breaker Accessories

    Eaton 2606D58G19 Circuit Breaker Accessories

    MSRP $3,117.19
    Surplus $652.09
    SKU:  C15-9529 Brand:  Eaton MPN:  2606D58G19 UPC:  78667993605 Shipping Weight:  0.50 lbs. Shipping Height:  6.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-9529
    TS PIK:
    21517621
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKERS ELECTRICAL AFTERMARKET ACCESSORY SHUNT TRIP,
    Country of Origin:
    United States
    MSRP $3,117.19
    Surplus $652.09
    Qty in Cart: 0
    Price:
    MSRP $3,117.19
    Surplus $652.09
    Subtotal:
  • Eaton 291489 Circuit Breaker Accessories EA

    Eaton 291489 Circuit Breaker Accessories EA

    MSRP $249.48
    Surplus $76.35
    Eaton 291489 Circuit Breaker Accessories EA​ ARCA SKU:  C15-9391 Brand:  Eaton MPN:  291489 UPC:  1508291489 Shipping Weight:  0.25 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-9391
    TS PIK:
    124503751
    Short Description:
    EATON MOELLER SERIES XPOLE - BUSBAR. EV BUSBARS 3PH., 13HP, FOR AUXILIARY CONTAC
    Country of Origin:
    Germany
    MSRP $249.48
    Surplus $76.35
    Qty in Cart: 0
    Price:
    MSRP $249.48
    Surplus $76.35
    Subtotal:
  • Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism

    Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism

    MSRP $210.00
    Surplus $99.58
    Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism​ ARCA SKU:  C15-3407 Brand:  Eaton MPN:  2A10894G02 UPC:  786685493251 Shipping Weight:  0.90 Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-3407
    Short Description:
    EATON MAGNUM LEVERING MECHANISM, UNIVERSAL, MAGNUM, UNIVERSAL, UNIVERSAL AMPERAG
    MSRP $210.00
    Surplus $99.58
    Qty in Cart: 0
    Price:
    MSRP $210.00
    Surplus $99.58
    Subtotal:
  • Eaton 2A11895G01 Circuit Breaker Accessories Arc Chute Kit 3P

    Eaton 2A11895G01 Circuit Breaker Accessories Arc Chute Kit 3P

    MSRP $1,209.00
    Surplus $209.74
    SKU:  C15-4723 Brand:  Eaton MPN:  2A11895G01 UPC:  78211631886 Shipping Weight:  16.70 lbs. Shipping Height:  8.00 In. Shipping Length:  14.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-4723
    Poles:
    3
    Short Description:
    EATON MAGNUM OTHER ACCESSORIES, THREE-POLE, MAGNUM, STANDARD, 2A11895G01
    MSRP $1,209.00
    Surplus $209.74
    Qty in Cart: 0
    Price:
    MSRP $1,209.00
    Surplus $209.74
    Subtotal:
  • Eaton 2A12885G01 Circuit Breaker Accessories Main Drive Link Kit EA Eaton 2A12885G01 Circuit Breaker Accessories Main Drive Link Kit EA

    Eaton 2A12885G01 Circuit Breaker Accessories Main Drive Link Kit EA

    MSRP $650.00
    Surplus $292.50
    Eaton 2A12885G01 Circuit Breaker Accessories Main Drive Link Kit EA​ ARCA SKU:  C15-4821 Brand:  Eaton MPN:  2A12885G01 UPC:  786685884035 Shipping Weight:  1.05 lbs. Shipping Height:  4...
    SKU:
    C15-4821
    Type:
    Main Drive Link Kit
    MSRP $650.00
    Surplus $292.50
    Qty in Cart: 0
    Price:
    MSRP $650.00
    Surplus $292.50
    Subtotal:
  • Eaton 2C13694G11 Other Circuit Breakers

    Eaton 2C13694G11 Other Circuit Breakers

    MSRP $3,250.00
    Surplus $1,170.00
    SKU:  C15-9557 Brand:  Eaton MPN:  2C13694G11 UPC:   Shipping Weight:  8.65 lbs. Shipping Height:  7.00 In. Shipping Length:  22.00 In. Shipping Width:  16.00 In. Product...
    SKU:
    C15-9557
    MSRP $3,250.00
    Surplus $1,170.00
    Qty in Cart: 0
    Price:
    MSRP $3,250.00
    Surplus $1,170.00
    Subtotal:
  • Eaton 2C13794G02 Circuit Breaker Accessories Terminal Mounting Kit Eaton 2C13794G02 Circuit Breaker Accessories Terminal Mounting Kit

    Eaton 2C13794G02 Circuit Breaker Accessories Terminal Mounting Kit

    MSRP $177.00
    Surplus $104.80
    Eaton 2C13794G02 Circuit Breaker Accessories Terminal Mounting Kit​ ARCA SKU:  C15-2633 Brand:  Eaton MPN:  2C13794G02 UPC:  786685493046 Shipping Weight:  2.50 Shipping Height:  6.00 In...
    SKU:
    C15-2633
    Short Description:
    EATON MAGNUM MOUNTING KIT, MAGNUM, STANDARD
    MSRP $177.00
    Surplus $104.80
    Qty in Cart: 0
    Price:
    MSRP $177.00
    Surplus $104.80
    Subtotal:
  • Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame

    Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame

    MSRP $333.00
    Surplus $70.32
    Eaton 314C541G01 Circuit Breaker Accessories Connector 400A J-K Frame​ ARCA SKU:  C15-2810 Brand:  Eaton MPN:  314C541G01 UPC:  786679835968 Shipping Weight:  1.80 Shipping Height:  2.50 In...
    SKU:
    C15-2810
    Amps:
    400 A
    Frame:
    J-K
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY PANELBOARD CONNECTING STRAP, PANELBO
    Country of Origin:
    United States
    MSRP $333.00
    Surplus $70.32
    Qty in Cart: 0
    Price:
    MSRP $333.00
    Surplus $70.32
    Subtotal:
  • Eaton 371D266G02 Circuit Breaker Accessories

    Eaton 371D266G02 Circuit Breaker Accessories

    MSRP $1,042.38
    Surplus $259.92
    SKU:  C15-11575 Brand:  Eaton MPN:  371D266G02 UPC:  78667954145 Shipping Weight:  2.25 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-11575
    TS PIK:
    21512645
    Country of Origin:
    United States
    MSRP $1,042.38
    Surplus $259.92
    Qty in Cart: 0
    Price:
    MSRP $1,042.38
    Surplus $259.92
    Subtotal:
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