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
  • Siemens EE2B020 Everything Else

    Siemens EE2B020 Everything Else

    MSRP $387.83
    Surplus $132.40
    Siemens EE2B020 Everything Else​ ARCA SKU:  E30-8838 Brand:  Siemens MPN:  EE2B020 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In...
    SKU:
    E30-8838
    MSRP $387.83
    Surplus $132.40
    Qty in Cart: 0
    Price:
    MSRP $387.83
    Surplus $132.40
    Subtotal:
  • Siemens F63F250 Molded Case Breakers (MCCBs)

    Siemens F63F250 Molded Case Breakers (MCCBs)

    MSRP $1,368.00
    Surplus $532.70
    SKU:  C15-8778 Brand:  Siemens MPN:  F63F250 UPC:   Shipping Weight:  7.15 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-8778
    MSRP $1,368.00
    Surplus $532.70
    Qty in Cart: 0
    Price:
    MSRP $1,368.00
    Surplus $532.70
    Subtotal:
  • Siemens FD63F250 Molded Case Breakers (MCCBs)

    Siemens FD63F250 Molded Case Breakers (MCCBs)

    MSRP $3,323.00
    Surplus $630.42
    SKU:  C15-7435 Brand:  Siemens MPN:  FD63F250 UPC:  78364321153 Shipping Weight:  7.85 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7435
    TS PIK:
    106248394
    Short Description:
    600 VAC, 500 VDC, 70 to 250 A, 22 kA, 3-Pole, Molded Case, Thermal Magnetic, FD Frame, Circuit Breaker Frame
    Series:
    FD6
    Voltage Rating:
    600 VAC, 500 VDC
    Current Rating:
    250 A
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 22 kA at 600 VAC, 18 kA at 500 VDC (UL), 65 kA at 220/240 VAC, 35 kA at 380/415 VAC (IEC)
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Terminal Type:
    Line Lug, Load Lug
    Size:
    9.5 Inch L x 4.5 Inch W x 4 Inch D
    Type:
    FD Frame
    Country of Origin:
    Mexico
    MSRP $3,323.00
    Surplus $630.42
    Qty in Cart: 0
    Price:
    MSRP $3,323.00
    Surplus $630.42
    Subtotal:
  • Siemens FD63T110 Molded Case Breakers (MCCBs)

    Siemens FD63T110 Molded Case Breakers (MCCBs)

    MSRP $3,422.00
    Surplus $390.16
    SKU:  C15-7436 Brand:  Siemens MPN:  FD63T110 UPC:  78364321193 Shipping Weight:  1.25 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7436
    TS PIK:
    115676320
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $390.16
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $390.16
    Subtotal:
  • Siemens FD63T125 Molded Case Breakers (MCCBs)

    Siemens FD63T125 Molded Case Breakers (MCCBs)

    MSRP $3,422.00
    Surplus $615.72
    SKU:  C15-8765 Brand:  Siemens MPN:  FD63T125 UPC:  78364321194 Shipping Weight:  1.20 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-8765
    TS PIK:
    115243808
    Current Rating:
    125 A
    Number of Poles:
    3
    Catalog:
    SiemensAG_09175_17_4_17_81_17_85_17_86_CAT.pdf
    Installation/Operator:
    SiemensAG_00594_INST.pdf
    Frame Type:
    FD
    Type:
    Molded Case, Low Vage, Thermal Magnetic, Standard Breaking Capacity
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $615.72
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $615.72
    Subtotal:
  • Siemens FD63T150 Molded Case Breakers (MCCBs)

    Siemens FD63T150 Molded Case Breakers (MCCBs)

    MSRP $3,422.00
    Surplus $612.03
    SKU:  C15-7667 Brand:  Siemens MPN:  FD63T150 UPC:  78364321195 Shipping Weight:  1.25 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7667
    TS PIK:
    120776289
    Current Rating:
    150 A
    Series:
    FD6-A
    Short Description:
    600 VAC, 500 VDC, 150 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Number of Poles:
    3
    Type:
    Thermal Magnetic, Interchangeable
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Frame Type:
    FD
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $612.03
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $612.03
    Subtotal:
  • Siemens FD63T175 Molded Case Breakers (MCCBs)

    Siemens FD63T175 Molded Case Breakers (MCCBs)

    MSRP $3,422.00
    Surplus $460.83
    SKU:  C15-7388 Brand:  Siemens MPN:  FD63T175 UPC:  78364321196 Shipping Weight:  1.20 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7388
    TS PIK:
    106247607
    Series:
    FD6-A
    Current Rating:
    175 A
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Type:
    Interchangeable Trip, Thermal Magnetic
    Frame Type:
    FD
    Short Description:
    600 VAC, 500 VDC, 175 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $460.83
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $460.83
    Subtotal:
  • Siemens FD63T200 Molded Case Breakers (MCCBs) 3P 200A 600V

    Siemens FD63T200 Molded Case Breakers (MCCBs) 3P 200A 600V

    MSRP $3,422.00
    Surplus $566.58
    SKU:  A13-1037 Brand:  Siemens MPN:  FD63T200 UPC:  783643211971 Shipping Weight:  0.80 lbs. Shipping Height:  5.10 In. Shipping Length:  4.70 In. Shipping Width:  4.00 In...
    SKU:
    A13-1037
    Series:
    FD6-A
    Type:
    Thermal Magnetic
    Type:
    Interchangeable
    Approval:
    UL 489
    Approval:
    IEC 947-2
    Amps:
    32 A
    Poles:
    3
    Frame Type:
    FD
    Short Description:
    600 VAC, 500 VDC, 200 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    TS PIK:
    21367586
    Current Rating:
    200 A
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $566.58
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $566.58
    Subtotal:
  • Siemens FD63T225 Molded Case Breakers (MCCBs)

    Siemens FD63T225 Molded Case Breakers (MCCBs)

    MSRP $3,422.00
    Surplus $297.24
    SKU:  C15-7683 Brand:  Siemens MPN:  FD63T225 UPC:  78364321198 Shipping Weight:  1.25 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7683
    TS PIK:
    21263418
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Series:
    FD6-A
    Type:
    Thermal Magnetic, Interchangeable
    Number of Poles:
    3
    Frame Type:
    FD
    Short Description:
    600 VAC, 500 VDC, 225 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Current Rating:
    225 A
    Country of Origin:
    Mexico
    MSRP $3,422.00
    Surplus $297.24
    Qty in Cart: 0
    Price:
    MSRP $3,422.00
    Surplus $297.24
    Subtotal:
  • Siemens FD63T250 Molded Case Breakers (MCCBs)

    Siemens FD63T250 Molded Case Breakers (MCCBs)

    MSRP $7,240.00
    Surplus $1,317.42
    SKU:  C15-8767 Brand:  Siemens MPN:  FD63T250 UPC:  78364321199 Shipping Weight:  1.15 lbs. Shipping Height:  5.00 In. Shipping Length:  4.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-8767
    TS PIK:
    106248808
    Current Rating:
    250 A
    Short Description:
    600 VAC, 500 VDC, 250 A, 22/35 kA, 3-Pole, 6 AWG to 350 KCMIL Copper, 4 AWG to 350 KCMIL Aluminum, Line/Load Lug Terminal, FD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Catalog:
    SiemensAG_01698_17_78_17_82_17_83_CAT.pdf
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Type:
    Interchangeable
    Series:
    FD6-A
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $7,240.00
    Surplus $1,317.42
    Qty in Cart: 0
    Price:
    MSRP $7,240.00
    Surplus $1,317.42
    Subtotal:
  • Siemens FJ63B150 Molded Case Breakers (MCCBs)

    Siemens FJ63B150 Molded Case Breakers (MCCBs)

    MSRP $1,180.37
    Surplus $309.92
    SKU:  E30-11686 Brand:  Siemens MPN:  FJ63B150 UPC:   Shipping Weight:  8.75 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    E30-11686
    MSRP $1,180.37
    Surplus $309.92
    Qty in Cart: 0
    Price:
    MSRP $1,180.37
    Surplus $309.92
    Subtotal:
  • Siemens FXD62B090 Motor Circuit Protector (MCPs) EA

    MSRP $6,000.00
    Surplus $1,834.58
    SKU:  C15-10400 Brand:  Siemens MPN:  FXD62B090 UPC:  78364321110 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10400
    TS PIK:
    21367511
    Country of Origin:
    Mexico
    MSRP $6,000.00
    Surplus $1,834.58
    Qty in Cart: 0
    Price:
    MSRP $6,000.00
    Surplus $1,834.58
    Subtotal:
  • Siemens FXD62B125 Motor Circuit Protector (MCPs)

    Siemens FXD62B125 Motor Circuit Protector (MCPs)

    MSRP $5,311.00
    Surplus $625.89
    SKU:  C15-7401 Brand:  Siemens MPN:  FXD62B125 UPC:  78364321113 Shipping Weight:  7.65 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7401
    TS PIK:
    106248864
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 125 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Series:
    FXD6-A
    Voltage Rating:
    600 VAC
    Current Rating:
    125 A
    Maximum AC Voltage Rating:
    600 V
    Number of Poles:
    2
    Catalog:
    SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Type:
    Thermal Magnetic
    Frame Type:
    FD
    Size:
    4.5 Inch Width x 5.25 Inch Depth x 9.5 Inch Height
    Terminal Type:
    Not Included
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IEC)
    Country of Origin:
    Mexico
    Approval:
    UL 489, IEC 947-2
    MSRP $5,311.00
    Surplus $625.89
    Qty in Cart: 0
    Price:
    MSRP $5,311.00
    Surplus $625.89
    Subtotal:
  • Siemens FXD62B150 Motor Circuit Protector (MCPs) EA

    Siemens FXD62B150 Motor Circuit Protector (MCPs) EA

    MSRP $6,000.00
    Surplus $1,834.58
    SKU:  C15-10402 Brand:  Siemens MPN:  FXD62B150 UPC:  78364321114 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10402
    TS PIK:
    21367515
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 150 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Frame Type:
    FD
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IE
    Series:
    FXD6-A
    Voltage Rating:
    600 VAC
    Current Rating:
    150 A
    Number of Poles:
    2
    Type:
    Thermal Magnetic
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Terminal Type:
    Not Included
    Catalog:
    SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489, IEC
    MSRP $6,000.00
    Surplus $1,834.58
    Qty in Cart: 0
    Price:
    MSRP $6,000.00
    Surplus $1,834.58
    Subtotal:
  • Siemens FXD62B200 Motor Circuit Protector (MCPs) EA

    Siemens FXD62B200 Motor Circuit Protector (MCPs) EA

    MSRP $6,000.00
    Surplus $1,834.58
    SKU:  C15-10403 Brand:  Siemens MPN:  FXD62B200 UPC:  78364321116 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10403
    TS PIK:
    21367517
    Current Rating:
    200 A
    Frame Type:
    FD
    Series:
    FXD6-A
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 200 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Voltage Rating:
    600 VAC
    Type:
    Thermal Magnetic
    Number of Poles:
    2
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 22 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 20/10 kA at 500 VAC (IE
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Catalog:
    SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
    Terminal Type:
    Not Included
    Country of Origin:
    Mexico
    Approval:
    UL 489, IEC
    MSRP $6,000.00
    Surplus $1,834.58
    Qty in Cart: 0
    Price:
    MSRP $6,000.00
    Surplus $1,834.58
    Subtotal:
  • Siemens FXD62B250 Motor Circuit Protector (MCPs)

    Siemens FXD62B250 Motor Circuit Protector (MCPs)

    MSRP $9,024.00
    Surplus $880.81
    SKU:  C15-7402 Brand:  Siemens MPN:  FXD62B250 UPC:  78364321118 Shipping Weight:  7.05 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7402
    TS PIK:
    115495159
    Frame Type:
    FD
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 250 A, 35 kA at 480 VAC, 2-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Voltage Rating:
    600 VAC at 50/60 Hz, 250 VDC
    Current Rating:
    250 A
    Type:
    Molded Case, Thermal Magnetic
    Interrupting Rating:
    22 kA at 600 VAC, 30 kA at 250 VDC
    Catalog:
    SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
    Maximum DC Voltage Rating:
    250 V
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Number of Poles:
    2
    Series:
    FXD6-A
    Size:
    4.5 Inch W x 5.25 Inch D x 9.5 Inch H
    Maximum AC Voltage Rating:
    600 V
    Terminal Type:
    Not Included
    Country of Origin:
    Mexico
    Approval:
    UL, CSA, IEC
    MSRP $9,024.00
    Surplus $880.81
    Qty in Cart: 0
    Price:
    MSRP $9,024.00
    Surplus $880.81
    Subtotal:
  • Siemens FXD63B080 Motor Circuit Protector (MCPs)

    Siemens FXD63B080 Motor Circuit Protector (MCPs)

    MSRP $6,159.00
    Surplus $723.33
    SKU:  C15-7512 Brand:  Siemens MPN:  FXD63B080 UPC:  78364321120 Shipping Weight:  9.20 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7512
    TS PIK:
    120631995
    Frame Type:
    FD
    Current Rating:
    80 A
    Series:
    FXD6-A
    Catalog:
    SiemensAG_01698_17_78_17_82_17_111_CAT.pdf
    Type:
    Thermal Magnetic, Non-Interchangeable Trip
    Number of Poles:
    3
    Voltage Rating:
    600 VAC, 500 VDC
    Interrupting Rating:
    22 kA at 600 VAC, 18 kA at 500 VDC
    Size:
    4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
    Maximum DC Voltage Rating:
    500 V
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    Maximum AC Voltage Rating:
    600 V
    Short Description:
    600 VAC 50/60 Hz, 500 VDC, 80 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2, CE, Federal Specification Class 20A
    MSRP $6,159.00
    Surplus $723.33
    Qty in Cart: 0
    Price:
    MSRP $6,159.00
    Surplus $723.33
    Subtotal:
  • Total: items /

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