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
  • Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA

    Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA

    MSRP $780.00
    Surplus $149.07
    Schneider Electric MG17444 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-6761 Brand:  Schneider Electric MPN:  MG17444 UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-6761
    Terminal Type:
    Box Line Lug, Box Load Lug
    Short Description:
    240/277/415/440/480 VAC 50/60 Hz, 125 VDC, 5 A, 5/6/10/20 kA, 2-Pole, Gray, Thermal Magnetic, Supplementary Protector
    Interrupting Rating:
    10 kA at 120/240 VAC, 5 kA at 277 VAC or 480 VAC Star/277 VAC (UL/CSA), 10 kA at 240 VAC, 5 kA at 415 VAC (IEC), 10 kA at 48/65/125 VDC
    Number of Poles:
    2
    Current Rating:
    5 A
    Voltage Rating:
    120/240/277 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA), 240/415 VAC at 50/60 Hz (IEC), 48/65/125 VDC
    Data Sheet:
    SchneiderElectric_00975_1_2_DATA.pdf
    Wire Size:
    14 to 4 AWG (Copper)
    Type:
    Current Limiting, Thermal Magnetic
    Size:
    1.42 Inch W x 2.76 Inch D x 3.19 Inch H
    Installation/Operator:
    SchneiderElectric_00172_INST.pdf
    Catalog:
    SchneiderElectric-SquareD_00103_23_CAT.pdf
    Mounting:
    DIN Rail
    MSRP $780.00
    Surplus $149.07
    Qty in Cart: 0
    Price:
    MSRP $780.00
    Surplus $149.07
    Subtotal:
  • Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A

    Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A

    MSRP $225.00
    Surplus $46.08
    Schneider Electric MGN61301 Miniature Circuit Breakers (MCBs) 1P 30A​ ARCA SKU:  C15-6756 Brand:  Schneider Electric MPN:  MGN61301 UPC:   Shipping Weight:  0.40 lbs. Shipping Height:  6...
    SKU:
    C15-6756
    Number of Poles:
    1
    MSRP $225.00
    Surplus $46.08
    Qty in Cart: 0
    Price:
    MSRP $225.00
    Surplus $46.08
    Subtotal:
  • Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A

    Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A

    MSRP $100.00
    Surplus $24.12
    Schneider Electric MGN61303 Molded Case Breakers (MCCBs) 1P 3A​ ARCA SKU:  C15-6758 Brand:  Schneider Electric MPN:  MGN61303 UPC:  785901489252 Shipping Weight:  0.40 lbs. Shipping...
    SKU:
    C15-6758
    Catalog:
    SchneiderElectric-SquareD_00103_20_CAT.pdf
    Current Rating:
    3 A
    Interrupting Rating:
    10 kA at 277 VAC
    Voltage Rating:
    277 VAC
    Short Description:
    277 VAC 50/60 Hz, 3 A, 10 kA, 18 to 16 AWG, 1-Pole, DIN Rail Mount, Gray, Thermal Magnetic, Miniature Circuit Breaker
    Size:
    18 MM W x 68.7 MM D x 141 MM H
    Type:
    Miniature, Thermal Magnetic
    Terminal Type:
    Single Barrel
    Number of Poles:
    1
    Data Sheet:
    SchneiderElectric_01067_1_2_DATA.pdf
    Approval:
    UL 489, CSA C22.2, CCC, IEC
    Wire Size:
    18 to 16 AWG
    MSRP $100.00
    Surplus $24.12
    Qty in Cart: 0
    Price:
    MSRP $100.00
    Surplus $24.12
    Subtotal:
  • Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph

    Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph

    MSRP $290.00
    Surplus $37.71
    Schneider Electric QO120PCAFIC Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-3665 Brand:  Schneider Electric MPN:  QO120PCAFIC UPC:  785901978435 Shipping Weight:  0.55...
    SKU:
    C15-3665
    Volts:
    120 V
    Amps:
    20 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    Current Rating:
    20 A
    Series:
    Q
    Country of Origin:
    Mexico
    MSRP $290.00
    Surplus $37.71
    Qty in Cart: 0
    Price:
    MSRP $290.00
    Surplus $37.71
    Subtotal:
  • Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A

    Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A

    MSRP $283.29
    Surplus $70.68
    Siemens 5SJ4340-8HG41 Miniature Circuit Breakers (MCBs) 40A​ ARCA SKU:  E30-10152 Brand:  Siemens MPN:  5SJ4340-8HG41 UPC:  4001869321929 Shipping Weight:  1.15 lbs. Shipping Height:  3.00...
    SKU:
    E30-10152
    Current Rating:
    40 A
    Size:
    54 Millimeter Width x 76.4 Millimeter Depth x 110 Millimeter Height
    Short Description:
    240 VAC, 60/125 VDC, 40 A, 10 kA, 3-Pole, 70 MM Device Depth, 14 to 4 AWG Solid/Stranded Copper, Line/Load Screw Terminal, 35 MM DIN Rail Mount, Standard Frame, Curve D, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Voltage Rating:
    240 VAC, 60/125 VDC
    Interrupting Rating:
    10 kA
    Type:
    Thermal Magnetic
    Terminal Type:
    Line/Load Screw
    Wire Size:
    14 to 4 AWG Copper
    Series:
    5SJ4
    Number of Poles:
    3
    Catalog:
    SiemensAG_01744_16_2-16_10_CAT.pdf
    Mounting:
    DIN Rail
    Approval:
    UL 489, CSA C22.2
    MSRP $283.29
    Surplus $70.68
    Qty in Cart: 0
    Price:
    MSRP $283.29
    Surplus $70.68
    Subtotal:
  • Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA

    Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA

    MSRP $125.00
    Surplus $27.05
    Siemens 5SX2106-7 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-8989 Brand:  Siemens MPN:  5SX2106-7 UPC:   Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-8989
    Short Description:
    230/400 VAC, 6 A, 6 kA, 1-Pole, 55 MM Mounting Depth, Curve C, Miniature Circuit Breaker
    Voltage Rating:
    230/400 V
    Catalog:
    SiemensAG_01748_12_4_CAT.pdf
    Number of Poles:
    1
    Current Rating:
    6 A
    Series:
    5SX2
    Interrupting Rating:
    6 kA
    MSRP $125.00
    Surplus $27.05
    Qty in Cart: 0
    Price:
    MSRP $125.00
    Surplus $27.05
    Subtotal:
  • Siemens A01MN64 Circuit Breaker Accessories

    Siemens A01MN64 Circuit Breaker Accessories

    MSRP $702.00
    Surplus $101.03
    SKU:  C15-8785 Brand:  Siemens MPN:  A01MN64 UPC:  78364321619 Shipping Weight:  1.30 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-8785
    Catalog:
    SiemensAG_01796_7_132_CAT.pdf
    Country of Origin:
    Mexico
    Used On:
    800 A MD/SMD Frame, 1200 A ND/SND Frame, 1600 A PD/SPD Frame, 2000 A RD Frame Molded Case Circuit Breaker
    Short Description:
    480 VAC, 250 VDC, 1NO-1NC, Form C, Auxiliary Switch for MD/ND/PD/RD Frame Circuit Breaker
    Installation/Operator:
    SiemensAG_00212_INST.pdf
    MSRP $702.00
    Surplus $101.03
    Qty in Cart: 0
    Price:
    MSRP $702.00
    Surplus $101.03
    Subtotal:
  • Siemens B00ED64 Circuit Breaker Accessories EA

    Siemens B00ED64 Circuit Breaker Accessories EA

    MSRP $800.00
    Surplus $236.56
    SKU:  C15-10299 Brand:  Siemens MPN:  B00ED64 UPC:  78364323542 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10299
    TS PIK:
    115554936
    Country of Origin:
    Mexico
    MSRP $800.00
    Surplus $236.56
    Qty in Cart: 0
    Price:
    MSRP $800.00
    Surplus $236.56
    Subtotal:
  • Siemens B115 Miniature Circuit Breakers (MCBs)

    Siemens B115 Miniature Circuit Breakers (MCBs)

    MSRP $89.00
    Surplus $7.93
    Siemens B115 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6105 Brand:  Siemens MPN:  B115 UPC:  78364326341 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6105
    TS PIK:
    21368372
    MSRP $89.00
    Surplus $7.93
    Qty in Cart: 0
    Price:
    MSRP $89.00
    Surplus $7.93
    Subtotal:
  • Siemens B115 Miniature Circuit Breakers (MCBs) EA

    Siemens B115 Miniature Circuit Breakers (MCBs) EA

    MSRP $89.00
    Surplus $12.72
    Siemens B115 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-9618 Brand:  Siemens MPN:  B115 UPC:  78364326341 Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-9618
    TS PIK:
    21368372
    Interrupting Rating:
    10 kA
    Current Rating:
    15 A
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Number of Poles:
    1
    Short Description:
    120 VAC, 15 A, 10 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
    Data Sheet:
    SiemensAG_05158_1_DATA.pdf
    Used On:
    Panelboard
    Voltage Rating:
    120 VAC
    Mounting:
    Bolt-On
    MSRP $89.00
    Surplus $12.72
    Qty in Cart: 0
    Price:
    MSRP $89.00
    Surplus $12.72
    Subtotal:
  • Siemens B115H Miniature Circuit Breakers (MCBs) 15A

    Siemens B115H Miniature Circuit Breakers (MCBs) 15A

    MSRP $165.00
    Surplus $19.80
    SKU:  C15-6209 Brand:  Siemens MPN:  B115H UPC:  78364326381 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  1.00 In...
    SKU:
    C15-6209
    TS PIK:
    115370793
    Short Description:
    120 VAC, 15 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Branch, Panelboard Circuit Breaker
    Voltage Rating:
    120 VAC
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Interrupting Rating:
    22 kA at 120 VAC (UL)
    Number of Poles:
    1
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    SiemensAG_05160_1_DATA.pdf
    Current Rating:
    15 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Type:
    Molded Case, Thermal and Fixed Magnetic, Branch
    Country of Origin:
    Mexico
    MSRP $165.00
    Surplus $19.80
    Qty in Cart: 0
    Price:
    MSRP $165.00
    Surplus $19.80
    Subtotal:
  • Total: items /

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