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 EHD3050 Molded Case Breakers (MCCBs) EHD 3P 50A 480V 50/60Hz 3Ph F Frame Eaton EHD3050 Molded Case Breakers (MCCBs) EHD 3P 50A 480V 50/60Hz 3Ph F Frame

    Eaton EHD3050 Molded Case Breakers (MCCBs) EHD 3P 50A 480V 50/60Hz 3Ph F Frame

    MSRP $860.00
    Surplus $337.83
    SKU:  C15-1693 Brand:  Eaton MPN:  EHD3050 UPC:  786679317143 Shipping Weight:  4.50 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-1693
    Series:
    C, EHD
    Type:
    Molded Case
    Type:
    Fixed Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
    Volts:
    480 VAC 50/60 Hertz
    Volts:
    250 VDC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    18 kA at 240 VAC
    Interrupting Rating:
    14 kA at 480 Volt AC
    Frame Type:
    F
    Maximum AC Voltage Rating:
    480 V
    Maximum DC Voltage Rating:
    250 V
    Short Description:
    480 VAC 50/60 Hz, 250 VDC, 50 A, 14/10 kA, 3-Pole, Standard Pressure Load Terminal, EHD Frame, Thermal Magnetic, Molded Case
    Catalog:
    Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
    Data Sheet:
    Eaton_40755_1-4_DATA.pdf
    Installation/Operator:
    Eaton_00091_INST.pdf
    Number of Poles:
    3
    Voltage Rating:
    480 VAC
    Current Rating:
    50 A
    MSRP $860.00
    Surplus $337.83
    Qty in Cart: 0
    Price:
    MSRP $860.00
    Surplus $337.83
    Subtotal:
  • Eaton EHD3090L Molded Case Breakers (MCCBs) 3P 90A

    Eaton EHD3090L Molded Case Breakers (MCCBs) 3P 90A

    MSRP $1,188.32
    Surplus $314.76
    SKU:  C15-6767 Brand:  Eaton MPN:  EHD3090L UPC:  78667939972 Shipping Weight:  4.60 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-6767
    TS PIK:
    123837580
    Frame Type:
    FD
    Data Sheet:
    Eaton_07831_1-12_DATA.pdf
    Installation/Operator:
    Eaton_00091_INST.pdf
    Type:
    Fixed Thermal Magnetic, Molded Case
    Current Rating:
    90 A
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254-V4T2_290_CAT.pdf
    Terminal Type:
    Line and Load
    Maximum AC Voltage Rating:
    480 V
    CAD Drawings:
    Eaton_21584_1_CAD.pdf
    Interrupting Rating:
    18 kA at 240 VAC, 14 kA at 480 VAC, 10 kA at 250 VDC (UL), 18 kA at 220/240 VAC, 14 kA at 440 VAC, 10 kA at 250 VDC (IEC)
    Number of Poles:
    3
    Maximum DC Voltage Rating:
    250 V
    Size:
    4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
    Voltage Rating:
    480 VAC 50/60 Hertz, 250 VDC
    Country of Origin:
    Dominican Republic
    MSRP $1,188.32
    Surplus $314.76
    Qty in Cart: 0
    Price:
    MSRP $1,188.32
    Surplus $314.76
    Subtotal:
  • Eaton EHMCCBI Circuit Breaker Accessories

    Eaton EHMCCBI Circuit Breaker Accessories

    MSRP $302.54
    Surplus $87.34
    Eaton EHMCCBI Circuit Breaker Accessories​ ARCA SKU:  C15-11229 Brand:  Eaton MPN:  EHMCCBI UPC:  78668540781 Shipping Weight:  0.75 lbs. Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-11229
    TS PIK:
    123726577
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_27_V4T2_535_CAT.pdf
    Country of Origin:
    United States
    MSRP $302.54
    Surplus $87.34
    Qty in Cart: 0
    Price:
    MSRP $302.54
    Surplus $87.34
    Subtotal:
  • Eaton EHMVD24R Circuit Breaker Accessories Vari-Depth Rotary Handle EG Frame Red Eaton EHMVD24R Circuit Breaker Accessories Vari-Depth Rotary Handle EG Frame Red

    Eaton EHMVD24R Circuit Breaker Accessories Vari-Depth Rotary Handle EG Frame Red

    MSRP $173.00
    Surplus $56.24
    Eaton EHMVD24R Circuit Breaker Accessories Vari-Depth Rotary Handle EG Frame Red​ ARCA SKU:  C15-2374 Brand:  Eaton MPN:  EHMVD24R UPC:  786685405698 Shipping Weight:  3.05 Shipping Height:  5...
    SKU:
    C15-2374
    Frame:
    EG
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, HANDLE MECHANISM,
    Country of Origin:
    United States
    MSRP $173.00
    Surplus $56.24
    Qty in Cart: 0
    Price:
    MSRP $173.00
    Surplus $56.24
    Subtotal:
  • Eaton EHMVDB Circuit Breaker Accessories EA

    Eaton EHMVDB Circuit Breaker Accessories EA

    MSRP $130.51
    Surplus $33.87
    Eaton EHMVDB Circuit Breaker Accessories EA​ ARCA SKU:  C15-9400 Brand:  Eaton MPN:  EHMVDB UPC:  78668540536 Shipping Weight:  0.75 lbs. Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-9400
    TS PIK:
    123987023
    Catalog:
    Eaton_03771_V4T2_27_CAT.pdf
    Series:
    G
    Short Description:
    Molded Case Switch, Circuit Breaker Handle Mechanism
    MSRP $130.51
    Surplus $33.87
    Qty in Cart: 0
    Price:
    MSRP $130.51
    Surplus $33.87
    Subtotal:
  • Eaton EIPBK Circuit Breaker Accessories EA

    Eaton EIPBK Circuit Breaker Accessories EA

    MSRP $67.77
    Surplus $19.48
    Eaton EIPBK Circuit Breaker Accessories EA​ ARCA SKU:  C15-9417 Brand:  Eaton MPN:  EIPBK UPC:  78667910814 Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-9417
    TS PIK:
    116622655
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY THERMAL MAGNETIC TRIP, INTERPHASE BA
    Country of Origin:
    Dominican Republic
    MSRP $67.77
    Surplus $19.48
    Qty in Cart: 0
    Price:
    MSRP $67.77
    Surplus $19.48
    Subtotal:
  • Eaton ELHFD3020L Molded Case Breakers (MCCBs)

    Eaton ELHFD3020L Molded Case Breakers (MCCBs)

    MSRP $4,048.00
    Surplus $1,014.44
    SKU:  C15-11511 Brand:  Eaton MPN:  ELHFD3020L UPC:   Shipping Weight:  6.85 lbs. Shipping Height:  6.00 In. Shipping Length:  12.00 In. Shipping Width:  7.00 In. Product...
    SKU:
    C15-11511
    MSRP $4,048.00
    Surplus $1,014.44
    Qty in Cart: 0
    Price:
    MSRP $4,048.00
    Surplus $1,014.44
    Subtotal:
  • Eaton ELJBN3150W Circuit Breaker Accessories

    Eaton ELJBN3150W Circuit Breaker Accessories

    MSRP $2,807.47
    Surplus $442.32
    SKU:  C15-9604 Brand:  Eaton MPN:  ELJBN3150W UPC:  78667911895 Shipping Weight:  2.85 lbs. Shipping Height:  7.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-9604
    TS PIK:
    118266590
    Short Description:
    EATON SERIES G MOLDED CASE CIRCUIT BREAKER EARTH LEAkAGE MODULE, JG-FRAME, COMPL
    Country of Origin:
    Dominican Republic
    MSRP $2,807.47
    Surplus $442.32
    Qty in Cart: 0
    Price:
    MSRP $2,807.47
    Surplus $442.32
    Subtotal:
  • Eaton ELLBN3600W Circuit Breaker Accessories EA Eaton ELLBN3600W Circuit Breaker Accessories EA

    Eaton ELLBN3600W Circuit Breaker Accessories EA

    MSRP $7,643.00
    Surplus $885.40
    SKU:  C15-9670 Brand:  Eaton MPN:  ELLBN3600W UPC:  78211614208 Shipping Weight:  7.70 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-9670
    TS PIK:
    120297225
    Country of Origin:
    United States
    MSRP $7,643.00
    Surplus $885.40
    Qty in Cart: 0
    Price:
    MSRP $7,643.00
    Surplus $885.40
    Subtotal:
  • Eaton EMCH116 Miniature Circuit Breakers (MCBs) 1P 16A 230V 50/60Hz 1Ph Eaton EMCH116 Miniature Circuit Breakers (MCBs) 1P 16A 230V 50/60Hz 1Ph

    Eaton EMCH116 Miniature Circuit Breakers (MCBs) 1P 16A 230V 50/60Hz 1Ph

    MSRP $25.20
    Surplus $7.61
    Eaton EMCH116 Miniature Circuit Breakers (MCBs) 1P 16A 230V 50/60Hz 1Ph​ ARCA SKU:  C15-4663 Brand:  Eaton MPN:  EMCH116 UPC:   Shipping Weight:  0.25 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-4663
    Volts:
    230 V
    Amps:
    16 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    MSRP $25.20
    Surplus $7.61
    Qty in Cart: 0
    Price:
    MSRP $25.20
    Surplus $7.61
    Subtotal:
  • Eaton EMCH125 Miniature Circuit Breakers (MCBs) 1P 25A 230V 50/60Hz 1Ph Eaton EMCH125 Miniature Circuit Breakers (MCBs) 1P 25A 230V 50/60Hz 1Ph

    Eaton EMCH125 Miniature Circuit Breakers (MCBs) 1P 25A 230V 50/60Hz 1Ph

    MSRP $23.00
    Surplus $4.95
    Eaton EMCH125 Miniature Circuit Breakers (MCBs) 1P 25A 230V 50/60Hz 1Ph​ ARCA SKU:  C15-4662 Brand:  Eaton MPN:  EMCH125 UPC:   Shipping Weight:  0.25 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4662
    Volts:
    230 V
    Amps:
    25 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    MSRP $23.00
    Surplus $4.95
    Qty in Cart: 0
    Price:
    MSRP $23.00
    Surplus $4.95
    Subtotal:
  • Eaton EMCH310 Miniature Circuit Breakers (MCBs) 3P 10A 400V 50/60Hz 3Ph Eaton EMCH310 Miniature Circuit Breakers (MCBs) 3P 10A 400V 50/60Hz 3Ph

    Eaton EMCH310 Miniature Circuit Breakers (MCBs) 3P 10A 400V 50/60Hz 3Ph

    MSRP $25.00
    Surplus $10.08
    Eaton EMCH310 Miniature Circuit Breakers (MCBs) 3P 10A 400V 50/60Hz 3Ph​ ARCA SKU:  C15-4652 Brand:  Eaton MPN:  EMCH310 UPC:  5019586122438 Shipping Weight:  0.75 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-4652
    Volts:
    400 V
    Amps:
    10 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    3
    Series:
    EMCH
    MSRP $25.00
    Surplus $10.08
    Qty in Cart: 0
    Price:
    MSRP $25.00
    Surplus $10.08
    Subtotal:
  • Eaton EVB9DE-ST2CA Other Circuit Breakers

    Eaton EVB9DE-ST2CA Other Circuit Breakers

    MSRP $220.00
    Surplus $99.00
    SKU:  C15-11778 Brand:  Eaton MPN:  EVB9DE-ST2CA UPC:  5996516004319 Shipping Weight:  3.55 lbs. Shipping Height:  4.00 In. Shipping Length:  9.00 In. Shipping Width:  7.00...
    SKU:
    C15-11778
    MSRP $220.00
    Surplus $99.00
    Qty in Cart: 0
    Price:
    MSRP $220.00
    Surplus $99.00
    Subtotal:
  • Eaton EVG-2PHAS/4MODUL Circuit Breaker Accessories

    Eaton EVG-2PHAS/4MODUL Circuit Breaker Accessories

    MSRP $94.86
    Surplus $25.86
    SKU:  C15-11691 Brand:  Eaton MPN:  EVG-2PHAS/4MODUL UPC:  01508268220 Shipping Weight:  0.05 lbs. Shipping Height:  1.00 In. Shipping Length:  3.00 In. Shipping Width:  1.00...
    SKU:
    C15-11691
    TS PIK:
    124502617
    Catalog:
    Eaton-Moeller_00007_14_18_CAT.pdf
    Short Description:
    65 MM L, 500 VAC 2-Phase, 4 HP, 63 A, 10 Sq MM Cross Section, Fork Connection, 2-Pole, 2-Device, 4-Modular Spacing, Insulated, Miniature Circuit Breaker Busbar
    Used On:
    Residual Current/Power/Miniature Circuit Breaker
    Type:
    Bus Bar
    Data Sheet:
    Eaton-Moeller_00647_1_DATA.pdf
    Country of Origin:
    Germany
    MSRP $94.86
    Surplus $25.86
    Qty in Cart: 0
    Price:
    MSRP $94.86
    Surplus $25.86
    Subtotal:
  • Eaton F2S06 Circuit Breaker Accessories

    Eaton F2S06 Circuit Breaker Accessories

    MSRP $1,359.28
    Surplus $440.87
    SKU:  C15-11664 Brand:  Eaton MPN:  F2S06 UPC:  78667945316 Shipping Weight:  6.45 lbs. Shipping Height:  3.00 In. Shipping Length:  20.00 In. Shipping Width:  20.00 In...
    SKU:
    C15-11664
    TS PIK:
    116622839
    MSRP $1,359.28
    Surplus $440.87
    Qty in Cart: 0
    Price:
    MSRP $1,359.28
    Surplus $440.87
    Subtotal:
  • Eaton F3S03C Circuit Breaker Accessories EA

    Eaton F3S03C Circuit Breaker Accessories EA

    MSRP $1,418.07
    Surplus $369.47
    SKU:  C15-11012 Brand:  Eaton MPN:  F3S03C UPC:   Shipping Weight:  7.20 lbs. Shipping Height:  4.00 In. Shipping Length:  22.00 In. Shipping Width:  19.00 In. Product...
    SKU:
    C15-11012
    TS PIK:
    115465079
    Catalog:
    Eaton_27487_V4T2_548_V4T2_549_CAT.pdf
    Installation/Operator:
    Eaton_00161_INST.pdf
    Short Description:
    3' Shaft, K Frame, Molded Case, Flex Shaft, NEMA 12, Flexible Shaft, Circuit Breaker Handle Mechanism
    Series:
    C
    MSRP $1,418.07
    Surplus $369.47
    Qty in Cart: 0
    Price:
    MSRP $1,418.07
    Surplus $369.47
    Subtotal:
  • Eaton F3S03X Circuit Breaker Accessories

    Eaton F3S03X Circuit Breaker Accessories

    MSRP $1,666.12
    Surplus $341.47
    SKU:  C15-11248 Brand:  Eaton MPN:  F3S03X UPC:  78667928214 Shipping Weight:  6.30 lbs. Shipping Height:  3.00 In. Shipping Length:  21.00 In. Shipping Width:  19.00 In...
    SKU:
    C15-11248
    TS PIK:
    116622827
    MSRP $1,666.12
    Surplus $341.47
    Qty in Cart: 0
    Price:
    MSRP $1,666.12
    Surplus $341.47
    Subtotal:
  • Eaton F4S04X Circuit Breaker Accessories EA

    Eaton F4S04X Circuit Breaker Accessories EA

    MSRP $1,438.77
    Surplus $542.44
    SKU:  C15-9399 Brand:  Eaton MPN:  F4S04X UPC:  78667928230 Shipping Weight:  8.20 lbs. Shipping Height:  3.00 In. Shipping Length:  20.00 In. Shipping Width:  21.00 In...
    SKU:
    C15-9399
    TS PIK:
    107000859
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, FLEX SHAFT HANDLE
    Country of Origin:
    United States
    MSRP $1,438.77
    Surplus $542.44
    Qty in Cart: 0
    Price:
    MSRP $1,438.77
    Surplus $542.44
    Subtotal:
  • Eaton F5S06HP Circuit Breaker Accessories Eaton F5S06HP Circuit Breaker Accessories

    Eaton F5S06HP Circuit Breaker Accessories

    MSRP $1,081.52
    Surplus $285.93
    SKU:  C15-2861 Brand:  Eaton MPN:  F5S06HP UPC:  786685978949 Shipping Weight:  8.85 lbs. Shipping Height:  3.00 In. Shipping Length:  20.00 In. Shipping Width:  19.00 In...
    SKU:
    C15-2861
    Short Description:
    N-FRAME_ NEMA 1_ NEMA 3R_ NEMA 12_ 6 FT_ FLEX SHAFT PLASTIC
    TS PIK:
    106998735
    Country of Origin:
    United States
    MSRP $1,081.52
    Surplus $285.93
    Qty in Cart: 0
    Price:
    MSRP $1,081.52
    Surplus $285.93
    Subtotal:
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