Circuit Breakers

Circuit Breakers

Circuit Breakers

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.

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    Square D MA36800 Miniature Circuit Breakers (MCBs)
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    Square D MA36800 Miniature Circuit Breakers (MCBs)

    MSRP $3,878.35
    Surplus $1,396.21
    SKU:  C15-7728 Brand:  Square D MPN:  MA36800 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-7728
    Series:
    670, MA
    Type:
    Molded Case, Thermal Magnetic, Main
    Short Description:
    600 VAC, 800 A, 22 kA, 3-Pole, M-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Approval:
    UL, CSA, IEC
    Voltage Rating:
    600 VAC
    Current Rating:
    800 A
    Installation/Operator:
    SchneiderElectric-SquareD_00439_INST.pdf
    Number of Poles:
    3
    Used On:
    I-Line Panelboard and Switchboard
    Installation:
    Plug-On
    Catalog:
    SchneiderElectric-SquareD_00096_79_CAT.pdf
    Trip Setting:
    4000 to 8000 A
    Interrupting Rating:
    42 kA at 240 VAC, 30 kA at 480 VAC, 22 kA at 600 VAC
    MSRP $3,878.35
    Surplus $1,396.21
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    Price:
    MSRP $3,878.35
    Surplus $1,396.21
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    Square D ME36600LS Molded Case Breakers (MCCBs)
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    Square D ME36600LS Molded Case Breakers (MCCBs)

    MSRP $16,160.00
    Surplus $4,363.20
    SKU:  C15-16899 Brand:  Square D MPN:  ME36600LS UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-16899
    Number of Poles:
    3
    Short Description:
    600 VAC, 600A, 25/65 kA, 3-Pole, I-LINE Connection, Molded Case Circuit Breaker with MICROLOGIC Full-Function Trip System
    Interrupting Rating:
    65 kA at 240/480 VAC, 25 kA at 600 VAC (UL/CSA), 33/65 kA at 415/240 VAC (IEC)
    Used On:
    I-Line Panelboard and Switchboard
    Type:
    Molded Case, Electronic Trip, Full Function, Standard
    Current Rating:
    600 A
    Voltage Rating:
    600 VAC
    Trip Setting:
    800 A
    Data Sheet:
    SQAREDE91706_1.pdf
    Approval:
    UL, CSA, IEC
    Catalog:
    SQAREDE58462_7-23_26.pdf
    Series:
    ME
    Installation:
    Plug-On
    MSRP $16,160.00
    Surplus $4,363.20
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    Qty in Cart: 0
    Price:
    MSRP $16,160.00
    Surplus $4,363.20
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  • Square D MGL36600 Molded Case Breakers (MCCBs)
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    Square D MGL36600 Molded Case Breakers (MCCBs)

    MSRP $9,676.00
    Surplus $6,434.54
    SKU:  U00-8356 Brand:  Square D MPN:  MGL36600 UPC:  78590142028 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-8356
    Voltage Rating:
    600 VAC
    Prop 65 Warning:
    Yes
    Number of Poles:
    3
    Series:
    612, MGL
    Short Description:
    600 VAC 50/60 Hz, 600 A, 18 kA Interrupt, 3-Pole, M-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Trip, Molded Case Circuit Breaker
    Approval:
    UL, CSA, IEC
    Frame Type:
    M
    Size:
    8.27 Inch Width x 8.05 Inch Depth x 12.86 Inch Height
    Terminal Type:
    Lug
    CAD Drawings:
    SchneiderElectric-SquareD_17792_1_CAD.pdf
    Type:
    Electronic
    Data Sheet:
    SchneiderElectric-SquareD_14189_1-3_DATA.pdf
    Current Rating:
    600 A
    Installation/Operator:
    SchneiderElectric-SquareD_00524_INST.pdf
    Catalog:
    SchneiderElectric-SquareD_03280_7_40_CAT.pdf
    Interrupting Rating:
    65 kA at 240 V, 35 kA at 480 V, 18 kA at 600 V
    Country of Origin:
    Mexico
    MSRP $9,676.00
    Surplus $6,434.54
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    Qty in Cart: 0
    Price:
    MSRP $9,676.00
    Surplus $6,434.54
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  • Square D MGL36800 Molded Case Breakers (MCCBs)
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    Square D MGL36800 Molded Case Breakers (MCCBs)

    MSRP $10,722.00
    Surplus $7,130.13
    SKU:  U00-8357 Brand:  Square D MPN:  MGL36800 UPC:  78590157580 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-8357
    Short Description:
    600 VAC 50/60 Hz, 800 A, 18 kA Interrupt, 3-Pole, M-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Trip, Molded Case Circuit Breaker
    Prop 65 Warning:
    Yes
    Current Rating:
    800 A
    Frame Type:
    M
    Series:
    612, MGL
    Voltage Rating:
    600 VAC
    Terminal Type:
    Lug
    CAD Drawings:
    SchneiderElectric-SquareD_17793_1_CAD.pdf
    Data Sheet:
    SchneiderElectric-SquareD_14190_1-3_DATA.pdf
    Approval:
    UL, CSA, IEC
    Catalog:
    SchneiderElectric-SquareD_03280_7_40_CAT.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00524_INST.pdf
    Size:
    8.27 Inch Width x 8.05 Inch Depth x 12.86 Inch Height
    Number of Poles:
    3
    Type:
    Electronic
    Interrupting Rating:
    65 kA at 240 V, 35 kA at 480 V, 18 kA at 600 V
    Country of Origin:
    Mexico
    MSRP $10,722.00
    Surplus $7,130.13
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    Qty in Cart: 0
    Price:
    MSRP $10,722.00
    Surplus $7,130.13
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    Square D MHL36800 Molded Case Breakers (MCCBs)
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    Square D MHL36800 Molded Case Breakers (MCCBs)

    MSRP $9,381.00
    Surplus $2,532.87
    SKU:  C15-16919 Brand:  Square D MPN:  MHL36800 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-16919
    Approval:
    UL
    Series:
    601, MHL
    Current Rating:
    800 A
    Terminal Type:
    Lug
    Short Description:
    600 VAC, 250 VDC, 800 A, 25 kA, 3-Pole, M-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Maximum AC Voltage Rating (V):
    600
    Frame Type:
    MHL
    Installation/Operator:
    SchneiderElectric-SquareD_00439_INST.pdf
    Number of Poles:
    3
    Size:
    8.96 Inch Width x 6.55 Inch Depth x 14 Inch Height
    Interrupting Rating:
    65 kA at 120/240/277/480 VAC, 25 kA at 600 VAC, 65/33 kA at 240/415 VAC (IEC 60947-2)
    Voltage Rating:
    600 VAC
    Type:
    Thermal Magnetic, Molded Case
    Data Sheet:
    SchneiderElectric-SquareD_04921_1_DATA.pdf
    Prop 65 Warning:
    Yes
    Catalog:
    SchneiderElectric-SquareD_00935_11_32_CAT.pdf
    MSRP $9,381.00
    Surplus $2,532.87
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    Qty in Cart: 0
    Price:
    MSRP $9,381.00
    Surplus $2,532.87
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    Square D NAL361200 Molded Case Breakers (MCCBs)
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    Square D NAL361200 Molded Case Breakers (MCCBs)

    MSRP $10,026.67
    Surplus $3,501.72
    SKU:  U00-8368 Brand:  Square D MPN:  NAL361200 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    U00-8368
    Series:
    601, NAL
    Current Rating:
    1200 A
    Voltage Rating:
    600 VAC
    Number of Poles:
    3
    Short Description:
    600 VAC, 1200 A, 25 kA, 3-Pole, N-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Type:
    Thermal Magnetic
    Size:
    15 inch Width x 8.07 Inch Depth x 12.12 Inch Height
    Terminal Type:
    Aluminum/Copper Lug
    Frame Type:
    N
    Interrupting Rating:
    50 kA at 480 VAC, 25 kA at 600 VAC
    Approval:
    UL, CSA, IEC
    Catalog:
    SchneiderElectric-SquareD_00096_91_CAT.pdf
    MSRP $10,026.67
    Surplus $3,501.72
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    Qty in Cart: 0
    Price:
    MSRP $10,026.67
    Surplus $3,501.72
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    Square D NC361000 Molded Case Breakers (MCCBs)
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    Square D NC361000 Molded Case Breakers (MCCBs)

    MSRP $37,850.00
    Surplus $2,945.58
    SKU:  C15-7242 Brand:  Square D MPN:  NC361000 UPC:   Shipping Weight:  63.10 lbs. Shipping Height:  11.00 In. Shipping Length:  17.00 In. Shipping Width:  17.00 In. Product...
    SKU:
    C15-7242
    Voltage Rating:
    600 VAC
    Interrupting Rating:
    100 kA at 480 VAC
    Current Rating:
    1000 A
    Series:
    670/671, NC
    Number of Poles:
    3
    Type:
    Molded Case, Magnetic Trip
    Catalog:
    SchneiderElectric-SquareD_00096_90_91_CAT.pdf
    Short Description:
    600 VAC, 250 VDC, 1000 A, 25 kA, 3-Pole, N-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Approval:
    UL, CSA, IEC
    Trip Setting:
    5000 to 10000 A
    Installation:
    Plug-On
    Used On:
    I-Line Panelboard and Switchboard
    MSRP $37,850.00
    Surplus $2,945.58
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    Qty in Cart: 0
    Price:
    MSRP $37,850.00
    Surplus $2,945.58
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    Square D NC361200 Molded Case Breakers (MCCBs)
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    Square D NC361200 Molded Case Breakers (MCCBs)

    MSRP $10,277.00
    Surplus $2,774.79
    SKU:  C15-16933 Brand:  Square D MPN:  NC361200 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-16933
    Catalog:
    SchneiderElectric-SquareD_00096_90_91_CAT.pdf
    Voltage Rating:
    600 VAC
    Used On:
    I-Line Panelboard and Switchboard
    Number of Poles:
    3
    Series:
    670/671, NC
    Type:
    Molded Case, Magnetic Trip
    Approval:
    UL, CSA, IEC
    Trip Setting:
    5000 to 10000 A
    Interrupting Rating:
    100 kA at 480 VAC
    Installation:
    Plug-On
    Short Description:
    600 VAC, 250 VDC, 1200 A, 25 kA, 3-Pole, N-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Current Rating:
    1200 A
    MSRP $10,277.00
    Surplus $2,774.79
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    Qty in Cart: 0
    Price:
    MSRP $10,277.00
    Surplus $2,774.79
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    Square D PGL36080CU31A Molded Case Breakers (MCCBs)
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    Square D PGL36080CU31A Molded Case Breakers (MCCBs)

    MSRP $20,892.00
    Surplus $5,640.84
    SKU:  C15-17446 Brand:  Square D MPN:  PGL36080CU31A UPC:  78590153656 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00...
    SKU:
    C15-17446
    Prop 65 Warning:
    Yes
    Short Description:
    600 VAC, 800A, 18 kA Interrupt, 3-Pole, Line/Load Lug Terminal, Unit Mount, P-Frame, LI Function, Standard, Electronic, Molded Case Circuit Breaker
    Frame Type:
    P
    Current Rating:
    800 A
    Terminal Type:
    Load/Line Lug
    Type:
    Molded Case
    Maximum AC Voltage Rating:
    600 V
    Size:
    8.27 Inch Width x 8.05 Inch Depth x 12.86 Inch Height
    Approval:
    UL, CSA
    CAD Drawings:
    SchneiderElectric-SquareD_17823_1_CAD.pdf
    Number of Poles:
    3
    Voltage Rating:
    600 VAC
    Catalog:
    SchneiderElectric-SquareD_00098_72_74_76_CAT.pdf
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC
    Data Sheet:
    SchneiderElectric-SquareD_14527_1_2_DATA.pdf
    MSRP $20,892.00
    Surplus $5,640.84
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    Qty in Cart: 0
    Price:
    MSRP $20,892.00
    Surplus $5,640.84
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    Square D PGL36080U33A Molded Case Breakers (MCCBs)
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    Square D PGL36080U33A Molded Case Breakers (MCCBs)

    MSRP $11,076.45
    Surplus $2,990.64
    SKU:  C15-17450 Brand:  Square D MPN:  PGL36080U33A UPC:  78590165794 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00...
    SKU:
    C15-17450
    Short Description:
    600 V, 800 A, 3-Pole, P-Frame, Lug Load/Line, Molded Case Circuit Breaker
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC
    Prop 65 Warning:
    Yes
    Size:
    8.27 Inch Width x 8.05 Inch Depth x 12.86 Height
    Terminal Type:
    Load/Line Lug
    Current Rating:
    800 A
    Type:
    Molded Case
    Approval:
    UL, CSA
    Voltage Rating:
    600 VAC
    Maximum AC Voltage Rating:
    600 V
    CAD Drawings:
    SchneiderElectric-SquareD_05472_1_CAD.pdf
    Frame Type:
    P
    Catalog:
    SchneiderElectric-SquareD_00098_72_73_CAT.pdf
    Data Sheet:
    SchneiderElectric-SquareD_04998_1_2_DATA.pdf
    MSRP $11,076.45
    Surplus $2,990.64
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    Qty in Cart: 0
    Price:
    MSRP $11,076.45
    Surplus $2,990.64
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    Square D PXF361600 Molded Case Breakers (MCCBs)
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    Square D PXF361600 Molded Case Breakers (MCCBs)

    MSRP $22,802.85
    Surplus $6,156.77
    SKU:  C15-17509 Brand:  Square D MPN:  PXF361600 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-17509
    Current Rating:
    1600 A
    Interrupting Rating:
    65 kA
    Short Description:
    600 V, 1600 A, Molded Case Circuit Breaker
    Type:
    Electronic
    Number of Poles:
    3
    Voltage Rating:
    600 VAC
    Terminal Type:
    Pad
    Series:
    PX
    Approval:
    UL 489, CSA
    Maximum AC Voltage Rating (V):
    600
    Size:
    12 Inch Width x 10.47 Inch Depth x 20.10 Inch Height
    MSRP $22,802.85
    Surplus $6,156.77
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    Qty in Cart: 0
    Price:
    MSRP $22,802.85
    Surplus $6,156.77
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    Square D PXF362000G Molded Case Breakers (MCCBs)
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    Square D PXF362000G Molded Case Breakers (MCCBs)

    MSRP $34,200.00
    Surplus $16,691.72
    SKU:  U00-8504 Brand:  Square D MPN:  PXF362000G UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    U00-8504
    Voltage Rating:
    600 VAC
    Interrupting Rating:
    65 kA
    Number of Poles:
    3
    Series:
    PX
    Short Description:
    600 VAC, 2000 A, 25/65 kA, 3-Pole, Terminal Pad Connection, Electronic Molded Case Circuit Breaker with MICROLOGIC Standard-Function Trip System
    Terminal Type:
    Pad
    Size:
    12 Inch Width x 10.47 Inch Depth x 20.10 Inch Height
    Approval:
    UL 489, CSA
    Catalog:
    SQAREDE58462_12-17_22_23_47.pdf
    Type:
    Electronic
    Maximum AC Voltage Rating (V):
    600
    Current Rating:
    2000 A
    MSRP $34,200.00
    Surplus $16,691.72
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    Qty in Cart: 0
    Price:
    MSRP $34,200.00
    Surplus $16,691.72
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Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.