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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  • Eaton BAB1040 Miniature Circuit Breakers (MCBs) 1P 40A 120V EA Eaton BAB1040 Miniature Circuit Breakers (MCBs) 1P 40A 120V EA
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    Eaton BAB1040 Miniature Circuit Breakers (MCBs) 1P 40A 120V EA

    MSRP $68.42
    Surplus $6.79
    Eaton BAB1040 Miniature Circuit Breakers (MCBs) 1P 40A 120V EA​ ARCA SKU:  C15-1026 Brand:  Eaton MPN:  BAB1040 UPC:  78667930140 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-1026
    Series:
    BAB
    Type:
    Thermal Magnetic
    Type:
    Non-Interchangeable Trip
    Type:
    Miniature
    Approval:
    UL 489
    Approval:
    CSA
    Size:
    1.2 Inch Width x 3.6 Inch Depth x 4.8 Inch Height
    Volts:
    120/240 VAC
    Volts:
    24/48/62.5 VDC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    Bolt-On
    Interrupting Rating:
    10000 A at 120/240 VAC
    Interrupting Rating:
    5000 A at 24 to 48 Volt DC
    Terminal Type:
    Steel Box Lug Standard Load
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
    Number of Poles:
    1
    Current Rating:
    40 A
    Voltage Rating:
    120/240 VAC
    TS PIK:
    21508671
    Country of Origin:
    Dominican Republic
    MSRP $68.42
    Surplus $6.79
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    Qty in Cart: 0
    Price:
    MSRP $68.42
    Surplus $6.79
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  • GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)

    MSRP $1,145.00
    Surplus $147.25
    GENERAL ELECTRIC THHQB32040 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-4848 Brand:  GENERAL ELECTRIC MPN:  THHQB32040 UPC:  78316411860 Shipping Weight:  1.15 lbs. Shipping...
    SKU:
    C15-4848
    Type:
    Thermal Magnetic
    Type:
    Compact
    Approval:
    UL
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    22 kA at 120/240 VAC
    Terminal Type:
    Bolt-On
    Frame Type:
    Q-Line
    Maximum AC Voltage Rating:
    240 V
    Short Description:
    120/240 VAC, 40 A, 22 kA Interrupt, 3-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
    Catalog:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_38_CAT.pdf
    Installation/Operator:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_00025_INST.pdf
    CAD Drawing:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
    TS PIK:
    125338449
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    CAD Drawings:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
    Number of Poles:
    3
    Mounting:
    Bolt-On
    Series:
    THHQ
    Country of Origin:
    United States
    MSRP $1,145.00
    Surplus $147.25
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    Qty in Cart: 0
    Price:
    MSRP $1,145.00
    Surplus $147.25
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  • Eaton QBHW1040 Miniature Circuit Breakers (MCBs) QBHW 1P 40A 240V 50/60Hz 1Ph EA Eaton QBHW1040 Miniature Circuit Breakers (MCBs) QBHW 1P 40A 240V 50/60Hz 1Ph EA
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    Eaton QBHW1040 Miniature Circuit Breakers (MCBs) QBHW 1P 40A 240V 50/60Hz 1Ph EA

    MSRP $191.00
    Surplus $48.15
    Eaton QBHW1040 Miniature Circuit Breakers (MCBs) QBHW 1P 40A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-1526 Brand:  Eaton MPN:  QBHW1040 UPC:  786679392256 Shipping Weight:  0.35 Shipping Height:  4...
    SKU:
    C15-1526
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    40 A
    Interrupting Rating:
    22000 A at 120/240 VAC
    Interrupting Rating:
    5000 Amp at 24 to 48 Volt DC
    Mounting:
    Bolt-On
    Poles:
    1
    Size:
    1.2 Inch Width x 3.6 Inch Depth x 4.7 Inch Height
    Terminal Type:
    Steel Box Lug Standard Load
    Type:
    Thermal Magnetic
    Type:
    Non-Interchangeable Trip
    Type:
    Miniature
    Volts:
    120/240 VAC
    Volts:
    24/48/62.5 VDC
    Gauge:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    Catalog:
    Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Number of Poles:
    1
    Short Description:
    QUICkLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAkER, SINGLE-POLE, NON-INTERCHAN
    Series:
    QBHW
    Country of Origin:
    Dominican Republic
    MSRP $191.00
    Surplus $48.15
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    Qty in Cart: 0
    Price:
    MSRP $191.00
    Surplus $48.15
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  • Eaton QBHW2040 Miniature Circuit Breakers (MCBs) QBHW 2P 40A 240V 50/60Hz 1Ph EA Eaton QBHW2040 Miniature Circuit Breakers (MCBs) QBHW 2P 40A 240V 50/60Hz 1Ph EA
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    Eaton QBHW2040 Miniature Circuit Breakers (MCBs) QBHW 2P 40A 240V 50/60Hz 1Ph EA

    MSRP $290.26
    Surplus $54.58
    Eaton QBHW2040 Miniature Circuit Breakers (MCBs) QBHW 2P 40A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-1648 Brand:  Eaton MPN:  QBHW2040 UPC:  786679392751 Shipping Weight:  0.70 lbs. Shipping...
    SKU:
    C15-1648
    Series:
    QBHW
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    2
    Mounting:
    Bolt-On
    Interrupting Rating:
    22000 A at 120/240 VAC
    Interrupting Rating:
    5000 Ampere at 24 to 48/62.5/80 VDC
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    120/240 VAC, 40 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_12_CAT.pdf
    Data Sheet:
    Eaton_53933_1-5_DATA.pdf
    TS PIK:
    21510596
    Number of Poles:
    2
    Current Rating:
    40 A
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    Dominican Republic
    MSRP $290.26
    Surplus $54.58
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    Qty in Cart: 0
    Price:
    MSRP $290.26
    Surplus $54.58
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  • Crouse-Hinds QBHW2040 Miniature Circuit Breakers (MCBs)
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    Crouse-Hinds QBHW2040 Miniature Circuit Breakers (MCBs)

    MSRP $290.26
    Surplus $51.43
    Crouse-Hinds QBHW2040 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-5768 Brand:  Crouse-Hinds MPN:  QBHW2040 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-5768
    TS PIK:
    21510596
    Short Description:
    120/240 VAC, 40 A, 22 kA, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
    Interrupting Rating:
    22000 A at 120/240 VAC, 5000 A at 24 to 48/62.5/80 VDC
    Series:
    QBHW
    Catalog:
    Eaton_03771_V4T1_12_CAT.pdf
    Type:
    Thermal Magnetic
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Number of Poles:
    2
    Mounting:
    Bolt-On
    Terminal Type:
    Extended Tang Line Terminal, Box Lug Load Terminal
    Current Rating:
    40 A
    Voltage Rating:
    120/240 VAC
    Approval:
    UL 489, CSA
    MSRP $290.26
    Surplus $51.43
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    Qty in Cart: 0
    Price:
    MSRP $290.26
    Surplus $51.43
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  • Eaton BAB2040S Miniature Circuit Breakers (MCBs) BA 2P 40A 120/240V 50/60Hz 1Ph EA Eaton BAB2040S Miniature Circuit Breakers (MCBs) BA 2P 40A 120/240V 50/60Hz 1Ph EA
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    Eaton BAB2040S Miniature Circuit Breakers (MCBs) BA 2P 40A 120/240V 50/60Hz 1Ph EA

    MSRP $519.81
    Surplus $72.54
    SKU:  C15-1056 Brand:  Eaton MPN:  BAB2040S UPC:  786679369784 Shipping Weight:  0.95 lbs. Shipping Height:  5.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1056
    Series:
    BAB
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    2
    Mounting:
    Bolt-On
    Interrupting Rating:
    10000 A at 120/240 VAC
    Interrupting Rating:
    5000 A at 24 to 48/62.5/80 VDC
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    120/240 VAC, 40 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
    Catalog:
    Eaton_21247_4_9_CAT.pdf
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    Number of Poles:
    2
    Country of Origin:
    Dominican Republic
    MSRP $519.81
    Surplus $72.54
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    Qty in Cart: 0
    Price:
    MSRP $519.81
    Surplus $72.54
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    Eaton CHB140 Miniature Circuit Breakers (MCBs)
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    Eaton CHB140 Miniature Circuit Breakers (MCBs)

    MSRP $101.85
    Surplus $27.50
    SKU:  C15-15751 Brand:  Eaton MPN:  CHB140 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-15751
    Short Description:
    120/240 VAC, 40 A, 1-Pole, 10 kA, Bolt-On Mount, Molded Case Circuit Breaker
    Interrupting Rating:
    10 kA at 120/240 VAC
    Voltage Rating:
    120/240 VAC
    Approval:
    UL 489
    Used On:
    CH Series Load Centre, PB Panel board
    Mounting:
    Bolt-On
    Series:
    CHB
    Number of Poles:
    1
    Current Rating:
    40 A
    Catalog:
    Eaton_03653_V12T3_9_CAT.pdf
    Type:
    Molded Case
    Wire Size:
    8 to 4 AWG
    MSRP $101.85
    Surplus $27.50
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    Qty in Cart: 0
    Price:
    MSRP $101.85
    Surplus $27.50
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    Eaton QBGFEP2040 Molded Case Breakers (MCCBs)
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    Eaton QBGFEP2040 Molded Case Breakers (MCCBs)

    MSRP $541.80
    Surplus $442.40
    SKU:  C15-10053 Brand:  Eaton MPN:  QBGFEP2040 UPC:  78667914518 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10053
    TS PIK:
    109403169
    Short Description:
    120/240 VAC, 40 A, 10 kA, 30 mA Trip Level, 2-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Equipment Protector, Ground Fault Circuit Breaker
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Type:
    Thermal Magnetic
    Terminal Type:
    Extended Tang Line Terminal, Steel Box Lug Load Terminal
    Interrupting Rating:
    10 kA
    Current Rating:
    40 A
    Series:
    QBGFEP
    Wire Size:
    14 to 8 AWG Aluminum/Copper (Load)
    Approval:
    UL 489, UL 943, UL 1053, CSA
    Catalog:
    Eaton_03771_V4T1_17_CAT.pdf
    Mounting:
    Bolt-On
    MSRP $541.80
    Surplus $442.40
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    Qty in Cart: 0
    Price:
    MSRP $541.80
    Surplus $442.40
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  • Eaton QBGFT2040 Miniature Circuit Breakers (MCBs) Eaton QBGFT2040 Miniature Circuit Breakers (MCBs)
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    Eaton QBGFT2040 Miniature Circuit Breakers (MCBs)

    MSRP $820.00
    Surplus $422.94
    SKU:  C15-2576 Brand:  Eaton MPN:  QBGFT2040 UPC:  78667602674 Shipping Weight:  0.80 lbs. Shipping Height:  3.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-2576
    Approval:
    UL 489
    Amps:
    40 A
    Interrupting Rating:
    10000 A at 120/240 VAC
    Mounting:
    Bolt-On
    Poles:
    2
    Size:
    2.75 Inch Width x 4.5 Inch Depth x 2 Inch Height
    Terminal Type:
    Steel Box Lug Standard Load
    Trip Sensitivity:
    5 MilliA
    Type:
    GF
    Type:
    Miniature
    Volts:
    120/240 VAC
    Gauge:
    14 to 4 AWG/14 to 8 AWG Copper/Aluminum (Standard Load)
    Specification/Technical:
    Eaton_33241_1_SPEC.pdf
    Catalog:
    Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
    Wire Size:
    14 to 4 AWG/14 to 8 AWG Copper/Aluminum (Standard Load)
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    Short Description:
    EATON QB GFCI CIRCUIT BREAkER,GROUND FAULT CIRCUIT BREAkER,40A,10 kAIC,TWO-POLE,
    Series:
    QB
    TS PIK:
    126205834
    Country of Origin:
    Dominican Republic
    MSRP $820.00
    Surplus $422.94
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    Qty in Cart: 0
    Price:
    MSRP $820.00
    Surplus $422.94
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    Siemens BF240 Miniature Circuit Breakers (MCBs)
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    Siemens BF240 Miniature Circuit Breakers (MCBs)

    MSRP $486.00
    Surplus $131.22
    SKU:  C15-15496 Brand:  Siemens MPN:  BF240 UPC:  78364327401 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-15496
    Type:
    Circuit Interrupter
    Interrupting Rating:
    10 kA
    Number of Poles:
    2
    Short Description:
    120/240 VAC, 40 A, 10 kA, 5 mA, 2-Pole, Bolt-On Mount, BLF Frame, Common Trip, GFCI, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Size:
    2 Inch W
    Data Sheet:
    SiemensAG_05319_1_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Trip Sensitivity:
    5 MilliA
    Approval:
    UL 489/943, CSA C22.2
    Terminal Type:
    Load Lug
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Country of Origin:
    PHL
    Used On:
    Loadcenter, P1/P2/P3/P4/P5 Panelboard
    Mounting:
    Bolt-On
    Current Rating:
    40 A
    MSRP $486.00
    Surplus $131.22
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $486.00
    Surplus $131.22
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  • Siemens BF240A Miniature Circuit Breakers (MCBs) EA
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    Siemens BF240A Miniature Circuit Breakers (MCBs) EA

    MSRP $600.00
    Surplus $285.90
    SKU:  C15-10354 Brand:  Siemens MPN:  BF240A UPC:  88762121543 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10354
    TS PIK:
    127112409
    Short Description:
    120/240 VAC, 40 A, 10 kA Interrupt, 5 mA Trip Level, 2-Pole, Circuit Protector, Low Vage, Type BLFB, Molded Case Ground Fault Circuit Breaker
    Voltage Rating:
    120/240 VAC
    Terminal Type:
    Load Lug
    Mounting:
    Bolt-On
    Number of Poles:
    2
    Size:
    2 Inch Width
    Catalog:
    SiemensAG_23946_10_17_CAT.pdf
    Interrupting Rating:
    10 kA
    Current Rating:
    40 A
    Installation/Operator:
    SiemensAG_00697_INST.pdf
    Used On:
    Load Center, Panelboard
    Data Sheet:
    SiemensAG_10286_1_DATA.pdf
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Country of Origin:
    Philippines
    MSRP $600.00
    Surplus $285.90
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    Qty in Cart: 0
    Price:
    MSRP $600.00
    Surplus $285.90
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  • Square D QOB240EPD Miniature Circuit Breakers (MCBs)
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    Square D QOB240EPD Miniature Circuit Breakers (MCBs)

    MSRP $717.88
    Surplus $243.07
    Square D QOB240EPD Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6552 Brand:  Square D MPN:  QOB240EPD UPC:  78590111649 Shipping Weight:  1.05 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-6552
    TS PIK:
    109594863
    Short Description:
    120/240 VAC 50/60 Hz, 40 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Box Lug Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
    Current Rating:
    40 A
    Type:
    Thermal Magnetic, Miniature
    Terminal Type:
    Box Lug
    Voltage Rating:
    120/240 VAC
    Size:
    1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA
    Number of Poles:
    2
    Catalog:
    SchneiderElectric-SquareD_03283_9_14_CAT.pdf
    Used On:
    NQ/NQOD Panelboard
    Wire Size:
    12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
    Data Sheet:
    SchneiderElectric-SquareD_15170_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00133_INST.pdf
    Prop 65 Warning:
    Yes
    Country of Origin:
    Mexico
    Trip Sensitivity:
    30 MilliA
    Approval:
    UL, CSA
    MSRP $717.88
    Surplus $243.07
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $717.88
    Surplus $243.07
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