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
  • Square D FC34015 Molded Case Breakers (MCCBs)

    Square D FC34015 Molded Case Breakers (MCCBs)

    MSRP $4,650.00
    Surplus $465.29
    SKU:  C15-7020 Brand:  Square D MPN:  FC34015 UPC:   Shipping Weight:  4.15 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-7020
    Short Description:
    480 VAC, 250 VDC, 15 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC
    Current Rating:
    15 A
    Number of Poles:
    3
    Series:
    FC
    Voltage Rating:
    480 VAC, 250 VDC
    Catalog:
    SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
    Type:
    Molded Case, Thermal Magnetic, Main
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    MSRP $4,650.00
    Surplus $465.29
    Qty in Cart: 0
    Price:
    MSRP $4,650.00
    Surplus $465.29
    Subtotal:
  • Square D FC34090 Molded Case Breakers (MCCBs)

    Square D FC34090 Molded Case Breakers (MCCBs)

    MSRP $3,000.00
    Surplus $547.76
    SKU:  C15-7034 Brand:  Square D MPN:  FC34090 UPC:   Shipping Weight:  4.15 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-7034
    Catalog:
    SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
    Current Rating:
    90 A
    Type:
    Molded Case, Thermal Magnetic, Main
    Number of Poles:
    3
    Series:
    FC
    Short Description:
    480 VAC, 250 VDC, 90 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Voltage Rating:
    480 VAC, 250 VDC
    MSRP $3,000.00
    Surplus $547.76
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $547.76
    Subtotal:
  • Square D FCB34070 Molded Case Breakers (MCCBs)

    Square D FCB34070 Molded Case Breakers (MCCBs)

    MSRP $4,203.00
    Surplus $534.29
    SKU:  C15-7042 Brand:  Square D MPN:  FCB34070 UPC:   Shipping Weight:  4.95 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-7042
    Number of Poles:
    3
    MSRP $4,203.00
    Surplus $534.29
    Qty in Cart: 0
    Price:
    MSRP $4,203.00
    Surplus $534.29
    Subtotal:
  • Square D FCL34100 Molded Case Breakers (MCCBs)

    Square D FCL34100 Molded Case Breakers (MCCBs)

    MSRP $3,650.00
    Surplus $760.91
    SKU:  C15-7035 Brand:  Square D MPN:  FCL34100 UPC:   Shipping Weight:  3.30 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-7035
    Terminal Type:
    Line Lug, Load Lug
    Short Description:
    480 VAC, 250 VDC, 100 A, 65 kA, 3-Pole, F-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC Star/277 VAC or 480 VAC (UL/CSA/NOM), 10 kA at 240/415 VAC (IEC)
    Voltage Rating:
    240 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 480 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC)
    Catalog:
    SchneiderElectric-SquareD_00935_11_11_11_23_CAT.pdf
    Type:
    Molded Case, Thermal Magnetic
    Frame Type:
    F
    Maximum AC Voltage Rating:
    480 V
    Number of Poles:
    3
    Current Rating:
    100 A
    Size:
    4.5 Inch W x 4.13 Inch D x 6 Inch H
    MSRP $3,650.00
    Surplus $760.91
    Qty in Cart: 0
    Price:
    MSRP $3,650.00
    Surplus $760.91
    Subtotal:
  • Square D FCL341001027 Molded Case Breakers (MCCBs)

    Square D FCL341001027 Molded Case Breakers (MCCBs)

    MSRP $5,795.00
    Surplus $755.89
    SKU:  C15-7046 Brand:  Square D MPN:  FCL341001027 UPC:   Shipping Weight:  3.80 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-7046
    Number of Poles:
    3
    MSRP $5,795.00
    Surplus $755.89
    Qty in Cart: 0
    Price:
    MSRP $5,795.00
    Surplus $755.89
    Subtotal:
  • Square D FCL341001422 Molded Case Breakers (MCCBs)

    Square D FCL341001422 Molded Case Breakers (MCCBs)

    MSRP $5,795.00
    Surplus $755.89
    SKU:  C15-7037 Brand:  Square D MPN:  FCL341001422 UPC:   Shipping Weight:  3.85 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-7037
    Number of Poles:
    3
    MSRP $5,795.00
    Surplus $755.89
    Qty in Cart: 0
    Price:
    MSRP $5,795.00
    Surplus $755.89
    Subtotal:
  • Square D FH16020B Molded Case Breakers (MCCBs)

    Square D FH16020B Molded Case Breakers (MCCBs)

    MSRP $674.49
    Surplus $112.86
    Square D FH16020B Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-6365 Brand:  Square D MPN:  FH16020B UPC:   Shipping Weight:  2.20 lbs. Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-6365
    Type:
    Molded Case
    Data Sheet:
    SchneiderElectric-SquareD_04525_1_2_DATA.pdf
    Voltage Rating:
    240 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC), 250 VDC
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Interrupting Rating:
    65 kA at 240 VAC or 480 VAC Star/277 VAC (UL/CSA/NOM); 18 kA at 240 VAC, 10 kA at 415 VAC (IEC); 10 kA at 250 VDC
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Number of Poles:
    1
    Series:
    FH
    Short Description:
    277 VAC, 125 VDC, 20 A, 65/10 kA, 1-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Current Rating:
    20 A
    MSRP $674.49
    Surplus $112.86
    Qty in Cart: 0
    Price:
    MSRP $674.49
    Surplus $112.86
    Subtotal:
  • Square D FH26020AB Molded Case Breakers (MCCBs)

    Square D FH26020AB Molded Case Breakers (MCCBs)

    MSRP $1,600.00
    Surplus $193.60
    SKU:  C15-7183 Brand:  Square D MPN:  FH26020AB UPC:   Shipping Weight:  4.36 lbs. Shipping Height:  9.00 In. Shipping Length:  13.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-7183
    Interrupting Rating:
    18 kA at 600 VAC
    Short Description:
    240/480/600 VAC, 250 VDC, 20 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Series:
    650, FH
    Voltage Rating:
    600 VAC, 250 VDC
    Data Sheet:
    SchneiderElectric-SquareD_04531_1_2_DATA.pdf
    Current Rating:
    20 A
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Number of Poles:
    2
    Type:
    Molded Case, Thermal Magnetic, Main
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Prop 65 Warning:
    Yes
    MSRP $1,600.00
    Surplus $193.60
    Qty in Cart: 0
    Price:
    MSRP $1,600.00
    Surplus $193.60
    Subtotal:
  • Square D FH26050AB Molded Case Breakers (MCCBs)

    Square D FH26050AB Molded Case Breakers (MCCBs)

    MSRP $1,059.00
    Surplus $225.46
    Square D FH26050AB Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7184 Brand:  Square D MPN:  FH26050AB UPC:   Shipping Weight:  3.75 lbs. Shipping Height:  7.00 In. Shipping...
    SKU:
    C15-7184
    Short Description:
    240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Interrupting Rating:
    18 kA at 600 VAC
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Series:
    650, FH
    Type:
    Molded Case, Thermal Magnetic, Main
    Current Rating:
    50 A
    Voltage Rating:
    600 VAC, 250 VDC
    Data Sheet:
    SchneiderElectric-SquareD_04540_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Number of Poles:
    2
    Number of Phases:
    1
    Prop 65 Warning:
    Yes
    MSRP $1,059.00
    Surplus $225.46
    Qty in Cart: 0
    Price:
    MSRP $1,059.00
    Surplus $225.46
    Subtotal:
  • Square D FH26050BC Molded Case Breakers (MCCBs)

    Square D FH26050BC Molded Case Breakers (MCCBs)

    MSRP $959.00
    Surplus $257.30
    Square D FH26050BC Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7186 Brand:  Square D MPN:  FH26050BC UPC:   Shipping Weight:  4.03 lbs. Shipping Height:  7.00 In. Shipping...
    SKU:
    C15-7186
    Short Description:
    240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Current Rating:
    50 A
    Interrupting Rating:
    65 kA at 120/240 VAC, 25 kA at 480 VAC Star/277 VAC/480 VAC, 18 kA at 600 VAC (UL), 50 kA at 125/250 VDC
    Series:
    650, FH
    Voltage Rating:
    120/240/480/600 VAC, 480 VAC Star/277 VAC (UL), 125/250 VDC
    Number of Poles:
    2
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Data Sheet:
    SchneiderElectric-SquareD_04542_1_2_DATA.pdf
    Type:
    Molded Case, Thermal Magnetic
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Prop 65 Warning:
    Yes
    MSRP $959.00
    Surplus $257.30
    Qty in Cart: 0
    Price:
    MSRP $959.00
    Surplus $257.30
    Subtotal:
  • Square D FH36045 Molded Case Breakers (MCCBs)

    Square D FH36045 Molded Case Breakers (MCCBs)

    MSRP $1,900.00
    Surplus $659.67
    SKU:  C15-7198 Brand:  Square D MPN:  FH36045 UPC:   Shipping Weight:  6.35 lbs. Shipping Height:  6.00 In. Shipping Length:  13.00 In. Shipping Width:  8.00 In. Product...
    SKU:
    C15-7198
    Series:
    FH
    Number of Poles:
    3
    Short Description:
    240/480/600 VAC, 250 VDC, 45 A, 65/25/18/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Data Sheet:
    SchneiderElectric-SquareD_04556_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Current Rating:
    45 A
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Interrupting Rating:
    10/65 kA at 240 VAC, 25 kA at 480 VAC Star/277 VAC or 480 VAC, 18 kA at 600 VAC Star/347 VAC or 600 VAC (UL/CSA/NOM); 10 kA at 415 VAC (IEC); 50 kA at 250 VDC
    Voltage Rating:
    240/480/600 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 600 VAC Star/347 VAC at 50/60 Hz (UL/CSA/NOM), 415 VAC at 50/60 Hz (IEC), 250 VDC
    Type:
    Molded Case
    Prop 65 Warning:
    Yes
    MSRP $1,900.00
    Surplus $659.67
    Qty in Cart: 0
    Price:
    MSRP $1,900.00
    Surplus $659.67
    Subtotal:
  • Square D FH36100 Molded Case Breakers (MCCBs) EA

    Square D FH36100 Molded Case Breakers (MCCBs) EA

    MSRP $1,050.00
    Surplus $352.24
    SKU:  C15-7174 Brand:  Square D MPN:  FH36100 UPC:   Shipping Weight:  5.40 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-7174
    Short Description:
    240/480/600 VAC, 250 VDC, 100 A, 65/25/18/10 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Interrupting Rating:
    18 kA at 600 VAC
    Data Sheet:
    SchneiderElectric-SquareD_04564_1_2_DATA.pdf
    Type:
    Molded Case, Thermal Magnetic, Main
    Catalog:
    SchneiderElectric_00256_11_9_CAT.pdf
    Series:
    650, FH
    Voltage Rating:
    600 VAC, 250 VDC
    Current Rating:
    100 A
    Number of Poles:
    3
    MSRP $1,050.00
    Surplus $352.24
    Qty in Cart: 0
    Price:
    MSRP $1,050.00
    Surplus $352.24
    Subtotal:
  • Square D FHL26040 Molded Case Breakers (MCCBs) Square D FHL26040 Molded Case Breakers (MCCBs)

    Square D FHL26040 Molded Case Breakers (MCCBs)

    MSRP $800.00
    Surplus $335.98
    Square D FHL26040 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7173 Brand:  Square D MPN:  FHL26040 UPC:   Shipping Weight:  3.05 lbs. Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-7173
    Short Description:
    600 VAC, 250 VDC, 40 A, 18/50 kA, 2-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Number of Poles:
    2
    Current Rating:
    40 A
    Catalog:
    SchneiderElectric_00256_11_8_CAT.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Interrupting Rating:
    18 kA at 600 VAC
    Size:
    3 Inch Width x 4.13 Inch Depth x 6 Inch Height
    Series:
    650, FHL
    Type:
    Thermal Magnetic
    Frame Type:
    F
    Data Sheet:
    SchneiderElectric-SquareD_04570_1_2_DATA.pdf
    Voltage Rating:
    600 VAC, 250 VDC
    Terminal Type:
    Lug
    Prop 65 Warning:
    Yes
    MSRP $800.00
    Surplus $335.98
    Qty in Cart: 0
    Price:
    MSRP $800.00
    Surplus $335.98
    Subtotal:
  • Square D FHL36020 Molded Case Breakers (MCCBs)

    Square D FHL36020 Molded Case Breakers (MCCBs)

    MSRP $927.43
    Surplus $213.60
    SKU:  E30-10208 Brand:  Square D MPN:  FHL36020 UPC:   Shipping Weight:  4.60 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    E30-10208
    Current Rating:
    20 A
    Series:
    FH
    Voltage Rating:
    240/480/600 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 600 VAC Star/347 VAC at 50/60 Hz (UL/CSA/NOM), 415 VAC at 50/60 Hz (IEC), 250 VDC
    Short Description:
    600 VAC, 250 VDC, 20 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Maximum AC Voltage Rating:
    600 V
    Size:
    4.5 Inch W x 4.13 Inch D x 6 Inch H
    Terminal Type:
    Line Lug, Load Lug
    Maximum DC Voltage Rating:
    250 V
    Catalog:
    SchneiderElectric_00256_11_8_CAT.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Data Sheet:
    SchneiderElectric-SquareD_04574_1_2_DATA.pdf
    Frame Type:
    F
    Number of Poles:
    3
    Type:
    Molded Case, Thermal Magnetic
    Interrupting Rating:
    65 kA at 240 VAC, 25 kA at 480 VAC Star/277 VAC, 25 kA at 480 VAC, 18 kA at 600 VAC Star/347 VAC, 18 kA at 600 VAC (UL/CSA/NOM), 10/2.5 kA at 415 VAC (IEC), 50 kA at 250 VDC
    Prop 65 Warning:
    Yes
    MSRP $927.43
    Surplus $213.60
    Qty in Cart: 0
    Price:
    MSRP $927.43
    Surplus $213.60
    Subtotal:
  • Square D FHL36050 Molded Case Breakers (MCCBs)

    Square D FHL36050 Molded Case Breakers (MCCBs)

    MSRP $826.26
    Surplus $301.91
    SKU:  C15-6427 Brand:  Square D MPN:  FHL36050 UPC:   Shipping Weight:  4.60 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-6427
    Type:
    Thermal Magnetic
    Number of Poles:
    3
    Frame Type:
    F
    Interrupting Rating:
    18 kA at 600 VAC
    Catalog:
    SchneiderElectric_00256_11_8_CAT.pdf
    Current Rating:
    50 A
    Voltage Rating:
    600 VAC, 250 VDC
    Data Sheet:
    SchneiderElectric-SquareD_04576_1_2_DATA.pdf
    Size:
    4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
    Short Description:
    600 VAC, 250 VDC, 50 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Terminal Type:
    Lug
    Installation/Operator:
    SchneiderElectric-SquareD_00076_INST.pdf
    Series:
    FH
    Prop 65 Warning:
    Yes
    MSRP $826.26
    Surplus $301.91
    Qty in Cart: 0
    Price:
    MSRP $826.26
    Surplus $301.91
    Subtotal:
  • Square D FY-14015-A Other Circuit Breakers

    Square D FY-14015-A Other Circuit Breakers

    MSRP $170.00
    Surplus $55.42
    Square D FY-14015-A Other Circuit Breakers​ ARCA SKU:  C15-7181 Brand:  Square D MPN:  FY-14015-A UPC:   Shipping Weight:  1.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-7181
    MSRP $170.00
    Surplus $55.42
    Qty in Cart: 0
    Price:
    MSRP $170.00
    Surplus $55.42
    Subtotal:
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