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 HQR22B100 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $659.45
    SKU:  C15-10448 Brand:  Siemens MPN:  HQR22B100 UPC:  80476613632 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10448
    TS PIK:
    127183117
    Country of Origin:
    Mexico
    Short Description:
    240 VAC 50/60 Hz, 100 A, 65 kA, 2-Pole, QR Frame, Molded Case, Thermal Magnetic, Circuit Breaker
    Current Rating:
    100 A
    Number of Poles:
    2
    Frame Type:
    QR
    Type:
    Molded Case, Thermal Magnetic
    Interrupting Rating:
    65 kA at 240 V
    Size:
    3 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Voltage Rating:
    240 VAC 50/60 Hertz (UL)
    Maximum AC Voltage Rating:
    240 V
    Terminal Type:
    No
    Catalog:
    SiemensAG_00882_17_1_17_9_17_118_17_119_17_131_CAT.pdf
    MSRP $2,000.00
    Surplus $659.45
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $659.45
    Subtotal:
  • Siemens HQR22B125 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $659.45
    SKU:  C15-10449 Brand:  Siemens MPN:  HQR22B125 UPC:  80476613633 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10449
    TS PIK:
    127022985
    Country of Origin:
    Mexico
    MSRP $2,000.00
    Surplus $659.45
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $659.45
    Subtotal:
  • Siemens HQR22B125H Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $687.24
    SKU:  C15-10450 Brand:  Siemens MPN:  HQR22B125H UPC:  80476613647 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10450
    TS PIK:
    127022989
    Country of Origin:
    Mexico
    MSRP $2,000.00
    Surplus $687.24
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $687.24
    Subtotal:
  • Siemens HQR22B250 Molded Case Breakers (MCCBs) EA

    MSRP $3,000.00
    Surplus $879.45
    SKU:  C15-10452 Brand:  Siemens MPN:  HQR22B250 UPC:  80476613638 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10452
    TS PIK:
    127112834
    Country of Origin:
    Mexico
    MSRP $3,000.00
    Surplus $879.45
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $879.45
    Subtotal:
  • Siemens HQR23B100 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,307.97
    SKU:  C15-10453 Brand:  Siemens MPN:  HQR23B100 UPC:  80476613690 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10453
    TS PIK:
    127183125
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,307.97
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,307.97
    Subtotal:
  • Siemens HQR23B125 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,345.26
    SKU:  C15-10454 Brand:  Siemens MPN:  HQR23B125 UPC:  80476613691 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10454
    TS PIK:
    126908870
    Voltage Rating:
    240 VAC 50/60 Hertz
    Interrupting Rating:
    65 kA at 240 VAC
    Country of Origin:
    Mexico
    Frame Type:
    QR
    Number of Poles:
    3
    Current Rating:
    125 A
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Data Sheet:
    SiemensAG_09583_1_2_DATA.pdf
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Maximum AC Voltage Rating:
    240 V
    Terminal Type:
    Not Included
    MSRP $4,000.00
    Surplus $1,345.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,345.26
    Subtotal:
  • Siemens HQR23B150 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,345.26
    SKU:  C15-10455 Brand:  Siemens MPN:  HQR23B150 UPC:  80476613692 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10455
    TS PIK:
    126908871
    Voltage Rating:
    240 VAC 50/60 Hertz
    Country of Origin:
    Mexico
    Frame Type:
    QR
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC
    Maximum AC Voltage Rating:
    240 V
    Data Sheet:
    SiemensAG_09584_1_2_DATA.pdf
    Terminal Type:
    Not Included
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Current Rating:
    150 A
    MSRP $4,000.00
    Surplus $1,345.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,345.26
    Subtotal:
  • Siemens HQR23B175 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,303.26
    SKU:  C15-10456 Brand:  Siemens MPN:  HQR23B175 UPC:  80476613693 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10456
    TS PIK:
    127022997
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,303.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,303.26
    Subtotal:
  • Siemens HQR23B200 Molded Case Breakers (MCCBs) EA

    Siemens HQR23B200 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,345.26
    SKU:  C15-10457 Brand:  Siemens MPN:  HQR23B200 UPC:  80476613694 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10457
    TS PIK:
    126824613
    Short Description:
    240 VAC, 200 A, 65 kA, 3-Pole, QR Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Frame Type:
    QR
    Voltage Rating:
    240 VAC
    Country of Origin:
    Mexico
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC
    Current Rating:
    200 A
    Data Sheet:
    SiemensAG_06240_1_DATA.pdf
    Size:
    3 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Catalog:
    SiemensAG_00564_7_3-7_5_7_40_CAT.pdf
    Maximum AC Voltage Rating:
    240 V
    Type:
    Molded Case, Thermal Magnetic
    MSRP $4,000.00
    Surplus $1,345.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,345.26
    Subtotal:
  • Siemens HQR23B225 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,345.26
    SKU:  C15-10458 Brand:  Siemens MPN:  HQR23B225 UPC:  80476613695 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10458
    TS PIK:
    126824614
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,345.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,345.26
    Subtotal:
  • Siemens HQR23B250 Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,345.26
    SKU:  C15-10459 Brand:  Siemens MPN:  HQR23B250 UPC:  80476613696 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10459
    TS PIK:
    127112917
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,345.26
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,345.26
    Subtotal:
  • Siemens JD63B200 Molded Case Breakers (MCCBs)

    Siemens JD63B200 Molded Case Breakers (MCCBs)

    MSRP $10,761.00
    Surplus $2,976.80
    SKU:  C15-7465 Brand:  Siemens MPN:  JD63B200 UPC:  78364321316 Shipping Weight:  18.25 lbs. Shipping Height:  7.00 In. Shipping Length:  15.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-7465
    TS PIK:
    21367660
    Size:
    7.5 Inch Width x 4 Inch Depth x 11 Inch Height
    Number of Poles:
    3
    Terminal Type:
    Line/Load Lug
    Catalog:
    SiemensAG_01698_17_78_17_85_17_110_CAT.pdf
    Type:
    Molded Case, Thermal Magnetic
    Short Description:
    600 VAC, 500 VDC, 200 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, 3/0 AWG to 500 KCMIL Copper/4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic Trip Unit, Interchangeable Trip, Molded Case Circuit Breaker
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    500 V
    Frame Type:
    JD
    Series:
    JD6-A
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 25 kA at 600 VAC (UL 489), 25 kA at 500 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 40/20 kA at 380/415 VAC (IEC)
    Voltage Rating:
    600 VAC, 500 VDC
    Current Rating:
    200 A
    Country of Origin:
    Mexico
    MSRP $10,761.00
    Surplus $2,976.80
    Qty in Cart: 0
    Price:
    MSRP $10,761.00
    Surplus $2,976.80
    Subtotal:
  • Siemens JD63F400 Molded Case Breakers (MCCBs)

    Siemens JD63F400 Molded Case Breakers (MCCBs)

    MSRP $4,621.00
    Surplus $508.04
    SKU:  C15-7520 Brand:  Siemens MPN:  JD63F400 UPC:  78364321323 Shipping Weight:  20.15 lbs. Shipping Height:  7.00 In. Shipping Length:  15.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-7520
    TS PIK:
    21367667
    Short Description:
    600 VAC, 500 VDC, 200 to 400 A, 25 kA, 3-Pole, Molded Case, Thermal Magnetic, JD Frame, Circuit Breaker Frame
    Type:
    JD Frame
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    600 V
    Catalog:
    SiemensAG_01698_17_78_17_85_CAT.pdf
    Terminal Type:
    Line Lug, Load Lug
    Current Rating:
    200 to 400 A
    Size:
    11 Inch L x 7.5 Inch W x 4 Inch D
    Maximum DC Voltage Rating:
    500 V
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC/500 VDC (UL), 65 kA at 220/240 VAC, 40 kA at 380/415 VAC (IEC)
    Voltage Rating:
    600 VAC at 50/60 Hz, 500 VDC
    Country of Origin:
    Mexico
    MSRP $4,621.00
    Surplus $508.04
    Qty in Cart: 0
    Price:
    MSRP $4,621.00
    Surplus $508.04
    Subtotal:
  • Siemens JD63T200 Molded Case Breakers (MCCBs)

    Siemens JD63T200 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $1,254.92
    SKU:  C15-7521 Brand:  Siemens MPN:  JD63T200 UPC:  78364321344 Shipping Weight:  2.40 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7521
    TS PIK:
    115459694
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $1,254.92
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $1,254.92
    Subtotal:
  • Siemens JD63T225 Molded Case Breakers (MCCBs)

    Siemens JD63T225 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $659.94
    SKU:  C15-7466 Brand:  Siemens MPN:  JD63T225 UPC:  78364321345 Shipping Weight:  2.50 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7466
    TS PIK:
    126675143
    Short Description:
    600 VAC, 500 VDC, 225 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Type:
    Thermal Magnetic, Interchangeable
    Frame Type:
    JD
    Series:
    JD63T
    Catalog:
    SiemensAG_01698_17_78_17_85_CAT.pdf
    Number of Poles:
    3
    Current Rating:
    225 A
    Country of Origin:
    Mexico
    Approval:
    UL 489, IEC 947-2
    MSRP $5,638.00
    Surplus $659.94
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $659.94
    Subtotal:
  • Siemens JD63T250 Molded Case Breakers (MCCBs)

    Siemens JD63T250 Molded Case Breakers (MCCBs)

    MSRP $5,172.00
    Surplus $1,565.78
    Siemens JD63T250 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7613 Brand:  Siemens MPN:  JD63T250 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-7613
    Short Description:
    600 VAC, 500 VDC, 250 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Series:
    JD63T
    Frame Type:
    JD
    Current Rating:
    250 A
    Number of Poles:
    3
    Catalog:
    SiemensAG_01698_17_78_17_85_CAT.pdf
    Type:
    Thermal Magnetic, Interchangeable
    Country of Origin:
    Mexico
    MSRP $5,172.00
    Surplus $1,565.78
    Qty in Cart: 0
    Price:
    MSRP $5,172.00
    Surplus $1,565.78
    Subtotal:
  • Siemens JD63T350 Molded Case Breakers (MCCBs)

    Siemens JD63T350 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $622.31
    SKU:  C15-7467 Brand:  Siemens MPN:  JD63T350 UPC:  78364321348 Shipping Weight:  2.55 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7467
    TS PIK:
    126672093
    Series:
    JD63T
    Short Description:
    600 VAC, 500 VDC, 350 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Current Rating:
    350 A
    Frame Type:
    JD
    Type:
    Thermal Magnetic, Interchangeable
    Catalog:
    SiemensAG_01698_17_78_17_85_CAT.pdf
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $622.31
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $622.31
    Subtotal:
  • Siemens JD63T400 Molded Case Breakers (MCCBs)

    Siemens JD63T400 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $445.23
    SKU:  C15-7468 Brand:  Siemens MPN:  JD63T400 UPC:  78364321349 Shipping Weight:  2.15 lbs. Shipping Height:  3.00 In. Shipping Length:  7.00 In. Shipping Width:  2.00 In...
    SKU:
    C15-7468
    TS PIK:
    126672091
    Series:
    JD63T
    Short Description:
    600 VAC, 500 VDC, 400 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, JD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Frame Type:
    JD
    Type:
    Thermal Magnetic, Interchangeable
    Catalog:
    SiemensAG_01698_17_78_17_85_CAT.pdf
    Number of Poles:
    3
    Current Rating:
    400 A
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $445.23
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $445.23
    Subtotal:
  • Total: items /

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