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 QBHW1020 Miniature Circuit Breakers (MCBs) Eaton QBHW1020 Miniature Circuit Breakers (MCBs)

    Eaton QBHW1020 Miniature Circuit Breakers (MCBs)

    MSRP $186.31
    Surplus $47.78
    Eaton QBHW1020 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-3640 Brand:  Eaton MPN:  QBHW1020 UPC:  78667939205 Shipping Weight:  0.25 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-3640
    Series:
    QBHW
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Size:
    3.9 Inch Length x 1.2 Inch Width x 4.7 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    Bolt-On
    Interrupting Rating:
    22 kA at 120/240 VAC
    Terminal Type:
    Extended Tang Line
    Terminal Type:
    Box Lug Load
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Short Description:
    120/240 VAC, 20 A, 22 kA, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_12_CAT.pdf
    TS PIK:
    21510582
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Country of Origin:
    Dominican Republic
    MSRP $186.31
    Surplus $47.78
    Qty in Cart: 0
    Price:
    MSRP $186.31
    Surplus $47.78
  • Eaton QB1020AFGF Miniature Circuit Breakers (MCBs) QB 1P 20A 120V 50/60Hz 1Ph EA Eaton QB1020AFGF Miniature Circuit Breakers (MCBs) QB 1P 20A 120V 50/60Hz 1Ph EA

    Eaton QB1020AFGF Miniature Circuit Breakers (MCBs) QB 1P 20A 120V 50/60Hz 1Ph EA

    MSRP $900.91
    Surplus $103.40
    Eaton QB1020AFGF Miniature Circuit Breakers (MCBs) QB 1P 20A 120V 50/60Hz 1Ph EA​ ARCA SKU:  C15-3616 Brand:  Eaton MPN:  QB1020AFGF UPC:  786670009016 Shipping Weight:  0.45 lbs. Shipping...
    SKU:
    C15-3616
    Approval:
    UL 943/1699
    Amps:
    20 A
    Interrupting Rating:
    10 kA
    Mounting:
    Bolt-On
    Poles:
    1
    Size:
    0.99 Inch Width x 2.91 Inch Depth x 3.28 Inch Height
    Type:
    Arc & Ground Fault
    Volts:
    120/240 VAC 60 Hertz
    Gauge:
    14 to 4 AWG Copper/Aluminum
    Short Description:
    20 A, 10 kA Interrupt, 1-Pole, Bolt-On, Dual Function, Arc/Ground Fault Circuit Breaker
    Specification/Technical:
    EatonCorp_00450_1_2_SPEC.pdf
    TS PIK:
    127413816
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Wire Size:
    14 to 4 AWG Copper/Aluminum
    Current Rating:
    20 A
    Country of Origin:
    Dominican Republic
    MSRP $900.91
    Surplus $103.40
    Qty in Cart: 0
    Price:
    MSRP $900.91
    Surplus $103.40
  • Eaton QBGFT1020 Miniature Circuit Breakers (MCBs) 1P 20A EA Eaton QBGFT1020 Miniature Circuit Breakers (MCBs) 1P 20A EA

    Eaton QBGFT1020 Miniature Circuit Breakers (MCBs) 1P 20A EA

    MSRP $588.33
    Surplus $276.07
    Eaton QBGFT1020 Miniature Circuit Breakers (MCBs) 1P 20A EA​ ARCA SKU:  C15-3477 Brand:  Eaton MPN:  QBGFT1020 UPC:  78668013096 Shipping Weight:  0.40 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-3477
    Series:
    QBGFT
    Type:
    Non-Interchangeable
    Type:
    Ground Fault
    Approval:
    UL 489
    Size:
    1 Inch Width x 1 Inch Depth x 1 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 10 AWG (Aluminum)
    Trip Sensitivity:
    5 MilliA
    Short Description:
    120 VAC, 20 A, 10 kA, 5 mA Trip Level, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Cable-In/Cable Out Mount, Thermal Magnetic
    TS PIK:
    126205861
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Number of Poles:
    1
    Country of Origin:
    United States
    MSRP $588.33
    Surplus $276.07
    Qty in Cart: 0
    Price:
    MSRP $588.33
    Surplus $276.07
  • Eaton BAB1020S Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph EA Eaton BAB1020S Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph EA

    Eaton BAB1020S Miniature Circuit Breakers (MCBs) BA 1P 20A 240V 50/60Hz 1Ph EA

    MSRP $597.94
    Surplus $143.34
    SKU:  C15-1019 Brand:  Eaton MPN:  BAB1020S UPC:  786679509609 Shipping Weight:  0.65 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-1019
    Series:
    BAB
    Type:
    Thermal Magnetic
    Approval:
    UL
    Approval:
    CSA
    Size:
    3.9 Inch Length x 2.2 Inch Width x 4.8 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Load (Copper/Aluminum)
    Short Description:
    120/240 VAC, 20 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic
    Catalog:
    Eaton_21247_4_9_CAT.pdf
    TS PIK:
    107004130
    Country of Origin:
    Dominican Republic
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Current Rating:
    20 A
    MSRP $597.94
    Surplus $143.34
    Qty in Cart: 0
    Price:
    MSRP $597.94
    Surplus $143.34
  • Eaton GHB2020 Molded Case Breakers (MCCBs) EA Eaton GHB2020 Molded Case Breakers (MCCBs) EA

    Eaton GHB2020 Molded Case Breakers (MCCBs) EA

    MSRP $619.92
    Surplus $392.87
    Eaton GHB2020 Molded Case Breakers (MCCBs) EA​ ARCA SKU:  C15-1698 Brand:  Eaton MPN:  GHB2020 UPC:  786679911204 Shipping Weight:  1.20 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-1698
    Frame Type:
    GHB
    Voltage Rating:
    480 VAC
    Current Rating:
    20 A
    Number of Poles:
    2
    Interrupting Rating:
    65 kA at 240 VAC, 14 kA at 480Y/277 VAC
    Type:
    Thermal Magnetic, Non-Interchangeable Trip
    Size:
    2.63 Inch Length x 2 Inch Width x 4 Inch Height
    Short Description:
    277/480 VAC, 125/250 VDC, 20 A, 2-Pole, Bolt-On Mount, Thermal Magnetic, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Catalog:
    EatonCorp_00600_V4T2_3_V4T2_267_V4T2_271_V4T2_272_CAT.pdf
    Installation/Operator:
    EatonCorp_00037_INST.pdf
    Specification/Technical:
    EatonCorp_00614_1-3_SPEC.pdf
    TS PIK:
    21517397
    Series:
    GHB
    Approval:
    UL, CSA
    Mounting:
    Bolt-On
    Country of Origin:
    United States
    MSRP $619.92
    Surplus $392.87
    Qty in Cart: 0
    Price:
    MSRP $619.92
    Surplus $392.87
  • Eaton QBGFEP1020 Miniature Circuit Breakers (MCBs) QBGF 1P 20A 240V 50/60Hz 1Ph EA Eaton QBGFEP1020 Miniature Circuit Breakers (MCBs) QBGF 1P 20A 240V 50/60Hz 1Ph EA

    Eaton QBGFEP1020 Miniature Circuit Breakers (MCBs) QBGF 1P 20A 240V 50/60Hz 1Ph EA

    MSRP $952.34
    Surplus $278.73
    Eaton QBGFEP1020 Miniature Circuit Breakers (MCBs) QBGF 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-3074 Brand:  Eaton MPN:  QBGFEP1020 UPC:  786679145128 Shipping Weight:  0.45 lbs. Shipping...
    SKU:
    C15-3074
    Series:
    QBGFEP
    Type:
    Thermal Magnetic
    Approval:
    UL 489/943/1053
    Approval:
    CSA
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Panelboard
    Poles:
    1
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Extended Tang Line
    Terminal Type:
    Steel Box Lug Load
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Trip Sensitivity:
    30 MilliA
    Short Description:
    120/240 VAC, 20 A, 10 kA, 30 mA Trip Level, 1-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Equipment Protector
    Catalog:
    Eaton_21247_4_9_CAT.pdf
    TS PIK:
    21505083
    Number of Poles:
    1
    Voltage Rating:
    120 VAC
    Current Rating:
    20 A
    Country of Origin:
    United States
    MSRP $952.34
    Surplus $278.73
    Qty in Cart: 0
    Price:
    MSRP $952.34
    Surplus $278.73
  • Eaton BAB3020HS Miniature Circuit Breakers (MCBs) BA 3P 20A 120/240V 50/60Hz 3Ph EA Eaton BAB3020HS Miniature Circuit Breakers (MCBs) BA 3P 20A 120/240V 50/60Hz 3Ph EA

    Eaton BAB3020HS Miniature Circuit Breakers (MCBs) BA 3P 20A 120/240V 50/60Hz 3Ph EA

    MSRP $1,171.86
    Surplus $358.36
    SKU:  C15-1083 Brand:  Eaton MPN:  BAB3020HS UPC:  786679509647 Shipping Weight:  1.25 lbs. Shipping Height:  3.50 In. Shipping Length:  4.00 In. Shipping Width:  3.70 In...
    SKU:
    C15-1083
    TS PIK:
    107004134
    Catalog:
    Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
    Type:
    Thermal Magnetic
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature, Circuit Breaker
    Voltage Rating:
    240 VAC
    Interrupting Rating:
    10000 A at 240 VAC
    Series:
    BAB
    Mounting:
    Bolt-On
    Terminal Type:
    Extended Tang Line Terminal, Box Lug Load Terminal
    Number of Poles:
    3
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Current Rating:
    20 A
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA
    MSRP $1,171.86
    Surplus $358.36
    Qty in Cart: 0
    Price:
    MSRP $1,171.86
    Surplus $358.36
  • Eaton BAB3020C Miniature Circuit Breakers (MCBs) BA 3P 20A 120V 50/60Hz 3Ph EA Eaton BAB3020C Miniature Circuit Breakers (MCBs) BA 3P 20A 120V 50/60Hz 3Ph EA

    Eaton BAB3020C Miniature Circuit Breakers (MCBs) BA 3P 20A 120V 50/60Hz 3Ph EA

    MSRP $432.68
    Surplus $86.20
    Eaton BAB3020C Miniature Circuit Breakers (MCBs) BA 3P 20A 120V 50/60Hz 3Ph EA​ ARCA SKU:  C15-1081 Brand:  Eaton MPN:  BAB3020C UPC:  786679304334 Shipping Weight:  0.85 lbs. Shipping...
    SKU:
    C15-1081
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    20 A
    Interrupting Rating:
    10000 A at 120/240 VAC
    Interrupting Rating:
    5000 Ampere at 24 to 48/62.5/80 VDC
    Mounting:
    Bolt-On
    Poles:
    2
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Type:
    Thermal Magnetic
    Volts:
    120/240 VAC
    Gauge:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    120/240 VAC, 20 A, 10 kA, 2-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, FDC Circuit Breaker
    Series:
    BAB
    Specification/Technical:
    Eaton_05419_1_2_SPEC.pdf
    TS PIK:
    21508740
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Number of Poles:
    2
    Catalog:
    Eaton_03771_V4T1_39_CAT.pdf
    Country of Origin:
    Dominican Republic
    MSRP $432.68
    Surplus $86.20
    Qty in Cart: 0
    Price:
    MSRP $432.68
    Surplus $86.20
  • Eaton QBHW2020 Miniature Circuit Breakers (MCBs) EA Eaton QBHW2020 Miniature Circuit Breakers (MCBs) EA

    Eaton QBHW2020 Miniature Circuit Breakers (MCBs) EA

    MSRP $395.13
    Surplus $90.25
    Eaton QBHW2020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-2682 Brand:  Eaton MPN:  QBHW2020 UPC:  786679392553 Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-2682
    Series:
    QBHW
    Type:
    Duplex with LED Indicator Light
    Approval:
    UL
    Approval:
    CSA
    Size:
    3.7 Inch Length x 2.2 Inch Width x 4.8 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    2
    Mounting:
    Bolt-On
    Interrupting Rating:
    22 kA
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Short Description:
    120/240 VAC, 20 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:
    LegrandNorthAmerica-Pass&Seymour_04217_1-4_DATA.pdf
    Installation/Operator:
    LegrandNorthAmerica-RadiantCollection_00007_INST.pdf
    TS PIK:
    21510592
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Country of Origin:
    Dominican Republic
    MSRP $395.13
    Surplus $90.25
    Qty in Cart: 0
    Price:
    MSRP $395.13
    Surplus $90.25
  • Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA

    Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA

    MSRP $1,578.86
    Surplus $35.41
    Eaton QBH1020CAF Miniature Circuit Breakers (MCBs) 1P 20A 240V EA​ ARCA SKU:  C15-3683 Brand:  Eaton MPN:  QBH1020CAF UPC:  786685514451 Shipping Weight:  0.40 lbs. Shipping Height:  2.00...
    SKU:
    C15-3683
    Approval:
    UL 1699
    Amps:
    20 A
    Interrupting Rating:
    22 kA
    Mounting:
    Bolt-On
    Poles:
    1
    Size:
    0.99 Inch Width x 2.91 Inch Depth x 3.28 Inch Height
    Type:
    Arc Fault
    Type:
    High Interrupting
    Volts:
    120/240 VAC
    Gauge:
    14 to 4 AWG Copper/Aluminum
    Data Sheet:
    Eaton_62566_1-4_DATA.pdf
    TS PIK:
    124790573
    Catalog:
    Eaton_03771_V4T1_14_V4T1_15_CAT.pdf
    Number of Poles:
    1
    Wire Size:
    14 to 4 AWG Copper/Aluminum
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Short Description:
    BOLT-ON BREAkER AFCI, 1 POLE, 20A, 22kAIC
    Series:
    QBH
    Country of Origin:
    Dominican Republic
    MSRP $1,578.86
    Surplus $35.41
    Qty in Cart: 0
    Price:
    MSRP $1,578.86
    Surplus $35.41
  • Eaton QBH1020AFGF Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA Eaton QBH1020AFGF Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA

    Eaton QBH1020AFGF Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA

    MSRP $1,713.85
    Surplus $37.79
    Eaton QBH1020AFGF Miniature Circuit Breakers (MCBs) QBH 1P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-1615 Brand:  Eaton MPN:  QBH1020AFGF UPC:  786670009030 Shipping Weight:  0.40 lbs. Shipping...
    SKU:
    C15-1615
    Approval:
    UL 943/1699
    Amps:
    20 A
    Interrupting Rating:
    22 kA
    Mounting:
    Bolt-On
    Poles:
    1
    Size:
    0.99 Inch Width x 2.91 Inch Depth x 3.28 Inch Height
    Type:
    Arc & Ground Fault
    Volts:
    120/240 VAC 60 Hertz
    Gauge:
    14 to 4 AWG Copper/Aluminum
    TS PIK:
    127542914
    Wire Size:
    14 to 4 AWG Copper/Aluminum
    Data Sheet:
    Eaton_32574_1-4_DATA.pdf
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Short Description:
    EATON BOLT-ON DUAL FUNCTION AF/GF 1P 20A CIRCUIT BREAkER, 22kAIC
    Series:
    QBH
    Country of Origin:
    Dominican Republic
    MSRP $1,713.85
    Surplus $37.79
    Qty in Cart: 0
    Price:
    MSRP $1,713.85
    Surplus $37.79
  • Square D ECB34020G3 Miniature Circuit Breakers (MCBs) Square D ECB34020G3 Miniature Circuit Breakers (MCBs)

    Square D ECB34020G3 Miniature Circuit Breakers (MCBs)

    MSRP $1,211.56
    Surplus $489.07
    SKU:  C15-6408 Brand:  Square D MPN:  ECB34020G3 UPC:  78590130019 Shipping Weight:  2.90 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-6408
    TS PIK:
    123714635
    Type:
    Molded Case
    Series:
    ECB
    Voltage Rating:
    240 VAC, 480 VAC Star/277 VAC
    Short Description:
    480 VAC Star/277 VAC, 20 A, 3-Pole, 42 kA Interrupt, 12 to 8 AWG Aluminum, 10 to 8 AWG Copper, Bolt-On Mount, Circuit Breaker
    Mounting:
    Bolt-On
    Current Rating:
    20 A
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC, 14 kA at 480 VAC Star/277 VAC
    Size:
    2.25 Inch W x 2.97 Inch D x 3.5 Inch
    Used On:
    Powerlink Lighting Control System
    Data Sheet:
    SchneiderElectric-SquareD_12651_1_2_DATA.pdf
    Catalog:
    SchneiderElectric_00257_9_39_CAT.pdf
    Wire Size:
    12 to 8 AWG (Aluminum), 10 to 8 AWG (Copper)
    Country of Origin:
    Mexico
    MSRP $1,211.56
    Surplus $489.07
    Qty in Cart: 0
    Price:
    MSRP $1,211.56
    Surplus $489.07

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