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 QN2175RH Miniature Circuit Breakers (MCBs) EA

    MSRP $822.00
    Surplus $335.02
    SKU:  C15-10591 Brand:  Siemens MPN:  QN2175RH UPC:  78364321418 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10591
    TS PIK:
    117091806
    Country of Origin:
    Mexico
    MSRP $822.00
    Surplus $335.02
    Qty in Cart: 0
    Price:
    MSRP $822.00
    Surplus $335.02
    Subtotal:
  • Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC

    Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC

    MSRP $817.00
    Surplus $195.51
    SKU:  C15-1491 Brand:  Siemens MPN:  QN2200 UPC:  78364320429 Shipping Weight:  1.60 lbs. Shipping Height:  2.50 In. Shipping Length:  7.80 In. Shipping Width:  4.10 In...
    SKU:
    C15-1491
    Series:
    QN
    Type:
    Thermal Magnetic
    Type:
    Main/Branch
    Type:
    Common Trip
    Approval:
    UL 489
    Size:
    1.9 Inch W x 3.5 Inch D x 6.65 Inch H
    Volts:
    120/240 VAC (UL)
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA (UL)
    Terminal Type:
    Load Lug
    Wire Size:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Short Description:
    120/240 VAC, 200 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
    Catalog:
    SiemensAG_00564_7_24_CAT.pdf
    Data Sheet:
    SiemensAG_01530_1_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Current Rating:
    200 A
    Country of Origin:
    Mexico
    MSRP $817.00
    Surplus $195.51
    Qty in Cart: 0
    Price:
    MSRP $817.00
    Surplus $195.51
    Subtotal:
  • Siemens QR22B125 Molded Case Breakers (MCCBs) EA

    MSRP $1,046.00
    Surplus $375.00
    SKU:  C15-10593 Brand:  Siemens MPN:  QR22B125 UPC:  80476613537 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10593
    TS PIK:
    127022977
    Country of Origin:
    Mexico
    MSRP $1,046.00
    Surplus $375.00
    Qty in Cart: 0
    Price:
    MSRP $1,046.00
    Surplus $375.00
    Subtotal:
  • Siemens QR22B200 Molded Case Breakers (MCCBs) QR2 2P 200A 240V 50/60Hz 1Ph EA Siemens QR22B200 Molded Case Breakers (MCCBs) QR2 2P 200A 240V 50/60Hz 1Ph EA

    Siemens QR22B200 Molded Case Breakers (MCCBs) QR2 2P 200A 240V 50/60Hz 1Ph EA

    MSRP $966.00
    Surplus $170.60
    SKU:  C15-4872 Brand:  Siemens MPN:  QR22B200 UPC:  804766136108 Shipping Weight:  2.80 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-4872
    Type:
    Molded Case
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    3 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Volts:
    240 VAC
    Amps:
    200 A
    Poles:
    2
    Interrupting Rating:
    10 kA at 240 VAC
    Frame Type:
    QR
    Maximum AC Voltage Rating:
    240 V
    Short Description:
    240 VAC, 200 A at 40 Deg C, 10 kA, 2-Pole, QR Frame, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_00564_7_40_CAT.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    200 A
    Number of Poles:
    2
    Country of Origin:
    MEX
    MSRP $966.00
    Surplus $170.60
    Qty in Cart: 0
    Price:
    MSRP $966.00
    Surplus $170.60
    Subtotal:
  • Siemens QR23B125 Molded Case Breakers (MCCBs)

    Siemens QR23B125 Molded Case Breakers (MCCBs)

    MSRP $2,569.00
    Surplus $731.50
    SKU:  C15-8845 Brand:  Siemens MPN:  QR23B125 UPC:  80476613663 Shipping Weight:  3.95 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-8845
    TS PIK:
    113289646
    Country of Origin:
    Mexico
    MSRP $2,569.00
    Surplus $731.50
    Qty in Cart: 0
    Price:
    MSRP $2,569.00
    Surplus $731.50
    Subtotal:
  • Siemens QR23B175 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $835.83
    SKU:  C15-10599 Brand:  Siemens MPN:  QR23B175 UPC:  80476613665 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10599
    TS PIK:
    127022993
    Country of Origin:
    Mexico
    Frame Type:
    QR
    Voltage Rating:
    240 VAC 50/60 Hertz
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Interrupting Rating:
    10 kA at 240 VAC
    Current Rating:
    175 A
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Terminal Type:
    Not Included
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Maximum AC Voltage Rating:
    240 V
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Number of Poles:
    3
    MSRP $2,000.00
    Surplus $835.83
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $835.83
    Subtotal:
  • Siemens QR23B225 Molded Case Breakers (MCCBs) EA

    Siemens QR23B225 Molded Case Breakers (MCCBs) EA

    MSRP $2,827.00
    Surplus $397.78
    SKU:  C15-9349 Brand:  Siemens MPN:  QR23B225 UPC:  80476613667 Shipping Weight:  4.10 lbs. Shipping Height:  4.25 In. Shipping Length:  7.75 In. Shipping Width:  5.25 In...
    SKU:
    C15-9349
    Frame Type:
    QR
    Voltage Rating:
    240 VAC 50/60 Hertz
    Current Rating:
    225 A
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    240 V
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Terminal Type:
    Not Included
    Interrupting Rating:
    10 kA at 240 VAC
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Short Description:
    BREAKER QR 3P 225A 240V 10kA
    Country of Origin:
    Mexico
    MSRP $2,827.00
    Surplus $397.78
    Qty in Cart: 0
    Price:
    MSRP $2,827.00
    Surplus $397.78
    Subtotal:
  • Siemens QRH22B100 Molded Case Breakers (MCCBs) EA

    MSRP $2,200.00
    Surplus $761.08
    SKU:  C15-10602 Brand:  Siemens MPN:  QRH22B100 UPC:  80476613620 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10602
    TS PIK:
    127183115
    Country of Origin:
    Mexico
    MSRP $2,200.00
    Surplus $761.08
    Qty in Cart: 0
    Price:
    MSRP $2,200.00
    Surplus $761.08
    Subtotal:
  • Siemens QRH22B125 Molded Case Breakers (MCCBs) EA

    MSRP $2,496.00
    Surplus $826.20
    SKU:  C15-10603 Brand:  Siemens MPN:  QRH22B125 UPC:  80476613621 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10603
    TS PIK:
    127022981
    Country of Origin:
    Mexico
    MSRP $2,496.00
    Surplus $826.20
    Qty in Cart: 0
    Price:
    MSRP $2,496.00
    Surplus $826.20
    Subtotal:
  • Siemens QRH22B150 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $660.08
    SKU:  C15-10604 Brand:  Siemens MPN:  QRH22B150 UPC:  80476613622 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10604
    TS PIK:
    126908839
    Country of Origin:
    Mexico
    MSRP $2,000.00
    Surplus $660.08
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $660.08
    Subtotal:
  • Siemens QRH22B175 Molded Case Breakers (MCCBs) EA

    MSRP $2,496.00
    Surplus $769.20
    SKU:  C15-10605 Brand:  Siemens MPN:  QRH22B175 UPC:  80476613623 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10605
    TS PIK:
    127022982
    Country of Origin:
    Mexico
    MSRP $2,496.00
    Surplus $769.20
    Qty in Cart: 0
    Price:
    MSRP $2,496.00
    Surplus $769.20
    Subtotal:
  • Siemens QRH22B200 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $717.08
    SKU:  C15-10606 Brand:  Siemens MPN:  QRH22B200 UPC:  80476613624 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10606
    TS PIK:
    126824579
    Country of Origin:
    Mexico
    MSRP $2,000.00
    Surplus $717.08
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $717.08
    Subtotal:
  • Siemens QRH23B125 Molded Case Breakers (MCCBs) EA

    MSRP $3,811.00
    Surplus $1,305.50
    SKU:  C15-10608 Brand:  Siemens MPN:  QRH23B125 UPC:  80476613677 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10608
    TS PIK:
    126908866
    Country of Origin:
    Mexico
    MSRP $3,811.00
    Surplus $1,305.50
    Qty in Cart: 0
    Price:
    MSRP $3,811.00
    Surplus $1,305.50
    Subtotal:
  • Siemens QRH23B150 Molded Case Breakers (MCCBs) EA

    MSRP $3,811.00
    Surplus $1,305.50
    SKU:  C15-10609 Brand:  Siemens MPN:  QRH23B150 UPC:  80476613678 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10609
    TS PIK:
    126908867
    Frame Type:
    QR
    Interrupting Rating:
    25 kA at 240 VAC
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Country of Origin:
    Mexico
    Number of Poles:
    3
    Voltage Rating:
    240 VAC 50/60 Hertz
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Current Rating:
    150 A
    Maximum AC Voltage Rating:
    240 V
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Terminal Type:
    Load Lug
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    MSRP $3,811.00
    Surplus $1,305.50
    Qty in Cart: 0
    Price:
    MSRP $3,811.00
    Surplus $1,305.50
    Subtotal:
  • Siemens QRH23B225 Molded Case Breakers (MCCBs) EA

    Siemens QRH23B225 Molded Case Breakers (MCCBs) EA

    MSRP $3,000.00
    Surplus $1,127.08
    SKU:  C15-10610 Brand:  Siemens MPN:  QRH23B225 UPC:  80476613681 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10610
    TS PIK:
    126824610
    Country of Origin:
    Mexico
    Catalog:
    SiemensAG_57234_3_4_CAT.pdf
    Number of Poles:
    3
    Voltage Rating:
    240 VAC 50/60 Hertz
    Installation/Operator:
    SiemensAG_01042_INST.pdf
    Interrupting Rating:
    25 kA at 240 VAC
    Maximum AC Voltage Rating:
    240 V
    Short Description:
    240 VAC, 225 A, 25 kA Interrupt, 3-Pole, QRH2-Frame, Thermal Magnetic, Molded Case Circuit Breaker
    Frame Type:
    QR
    Current Rating:
    225 A
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Terminal Type:
    Load Lug
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    MSRP $3,000.00
    Surplus $1,127.08
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $1,127.08
    Subtotal:
  • Siemens QS2150H Molded Case Breakers (MCCBs) EA

    Siemens QS2150H Molded Case Breakers (MCCBs) EA

    MSRP $414.00
    Surplus $124.50
    Siemens QS2150H Molded Case Breakers (MCCBs) EA​ ARCA SKU:  C15-9617 Brand:  Siemens MPN:  QS2150H UPC:  78308793530 Shipping Weight:  2.20 lbs. Shipping Height:  7.89 In. Shipping...
    SKU:
    C15-9617
    Current Rating:
    150 A
    Series:
    QS
    Voltage Rating:
    120/240 VAC
    Terminal Type:
    Load Lug
    Size:
    2.2 Inch W x 2.66 Inch D x 7.89 Inch H
    Short Description:
    120/240 VAC, 150 A, 22 kA, 2-Pole, Plug-In Mount, QSH Frame, Thermal Magnetic Trip Unit, Main Circuit Breaker for Load Center
    Number of Poles:
    2
    Data Sheet:
    SiemensAG_07132_1_DATA.pdf
    Interrupting Rating:
    22 kA
    Type:
    Main/Branch, Molded Case
    Catalog:
    SiemensAG_00564_7_25_CAT.pdf
    Country of Origin:
    Mexico
    MSRP $414.00
    Surplus $124.50
    Qty in Cart: 0
    Price:
    MSRP $414.00
    Surplus $124.50
    Subtotal:
  • Siemens QSA1515SPD Motor Circuit Protector (MCPs) EA

    Siemens QSA1515SPD Motor Circuit Protector (MCPs) EA

    MSRP $350.00
    Surplus $132.42
    SKU:  C15-10611 Brand:  Siemens MPN:  QSA1515SPD UPC:  4089228081 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10611
    TS PIK:
    123671379
    Voltage Rating:
    120/240 VAC
    Interrupting Rating:
    10 kA
    Data Sheet:
    SiemensAG_07135_1_DATA.pdf
    Short Description:
    120/240 VAC, 15 A, 10 kA, (2) 1-Pole, 360 Joule Line to Neutral/720 Joule Line to Line, Plug-On Mount, QP Frame, Thermal Magnetic, Miniature Circuit Breaker and Surge Protective Device
    Current Rating:
    15 A
    Type:
    Thermal Magnetic Trip
    Terminal Type:
    Line/Load Lug
    Size:
    2 Inch Width
    Catalog:
    SiemensAG_00564_7_28_CAT.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 1449, CSA
    MSRP $350.00
    Surplus $132.42
    Qty in Cart: 0
    Price:
    MSRP $350.00
    Surplus $132.42
    Subtotal:
  • Siemens RHOH4 Everything Else EA

    Siemens RHOH4 Everything Else EA

    MSRP $423.08
    Surplus $91.89
    Siemens RHOH4 Everything Else EA​ ARCA SKU:  E30-8872 Brand:  Siemens MPN:  RHOH4 UPC:  78364320525 Shipping Weight:  3.60 lbs. Shipping Height:  6.00 In. Shipping Length:  11...
    SKU:
    E30-8872
    Short Description:
    NEMA 4/4X, Stainless, Metal, Door Mount, Square, Lever, Rotary Operating Handle for 3VA Molded Case Circuit Breaker
    Installation/Operator:
    SiemensAG_00467_INST.pdf
    Type:
    Lever
    Catalog:
    SiemensAG_01698_17_52_17_126_18_47_CAT.pdf
    Country of Origin:
    Mexico
    Used On:
    Molded Case Circuit Breaker
    MSRP $423.08
    Surplus $91.89
    Qty in Cart: 0
    Price:
    MSRP $423.08
    Surplus $91.89
    Subtotal:
  • Total: items /

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