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 BAB3040H Miniature Circuit Breakers (MCBs) 3P 40A 240V EA Eaton BAB3040H Miniature Circuit Breakers (MCBs) 3P 40A 240V EA
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    Eaton BAB3040H Miniature Circuit Breakers (MCBs) 3P 40A 240V EA

    MSRP $629.51
    Surplus $156.62
    SKU:  C15-1094 Brand:  Eaton MPN:  BAB3040H UPC:  78667930340 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1094
    Series:
    BAB
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA at 240 VAC
    Terminal Type:
    Extended Tang Line
    Terminal Type:
    Box Lug Load
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Load)
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Current Rating:
    40 A
    TS PIK:
    21508710
    Country of Origin:
    Dominican Republic
    MSRP $629.51
    Surplus $156.62
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    Qty in Cart: 0
    Price:
    MSRP $629.51
    Surplus $156.62
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  • Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA
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    Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA

    MSRP $459.53
    Surplus $103.53
    Eaton BR340 Miniature Circuit Breakers (MCBs) 3P 40A 240V EA​ ARCA SKU:  C15-1259 Brand:  Eaton MPN:  BR340 UPC:  786676367851 Shipping Weight:  0.95 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-1259
    Series:
    BR
    Type:
    Common Trip
    Type:
    Quadplex
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    BR Series Load Center
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    TS PIK:
    21493897
    Number of Poles:
    3
    Current Rating:
    40 A
    Voltage Rating:
    240 VAC
    Country of Origin:
    Dominican Republic
    MSRP $459.53
    Surplus $103.53
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    Qty in Cart: 0
    Price:
    MSRP $459.53
    Surplus $103.53
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  • Eaton CHB340 Miniature Circuit Breakers (MCBs) Eaton CHB340 Miniature Circuit Breakers (MCBs)
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    Eaton CHB340 Miniature Circuit Breakers (MCBs)

    MSRP $1,143.95
    Surplus $869.05
    Eaton CHB340 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-5015 Brand:  Eaton MPN:  CHB340 UPC:   Shipping Weight:  0.40 lbs. Shipping Height:  3.00 In. Shipping Length:  4...
    SKU:
    C15-5015
    Amps:
    40 A
    Mounting:
    Bolt-On
    Poles:
    3
    Terminal Type:
    Molded Case
    Used On:
    PB Series Panel board
    Volts:
    240 VAC
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Circuit Breaker
    Series:
    CHB
    Type:
    Molded Case
    Current Rating:
    40 A
    Voltage Rating:
    240 VAC
    Catalog:
    Eaton_03653_V12T3_9_CAT.pdf
    Number of Poles:
    3
    Wire Size:
    8 to 4 AWG
    Interrupting Rating:
    10 kA at 240 VAC
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489
    MSRP $1,143.95
    Surplus $869.05
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    Qty in Cart: 0
    Price:
    MSRP $1,143.95
    Surplus $869.05
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  • Eaton QC3040H Miniature Circuit Breakers (MCBs) QC 3P 40A 240V 50/60Hz 3Ph Eaton QC3040H Miniature Circuit Breakers (MCBs) QC 3P 40A 240V 50/60Hz 3Ph
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    Eaton QC3040H Miniature Circuit Breakers (MCBs) QC 3P 40A 240V 50/60Hz 3Ph

    MSRP $816.78
    Surplus $86.54
    Eaton QC3040H Miniature Circuit Breakers (MCBs) QC 3P 40A 240V 50/60Hz 3Ph​ ARCA SKU:  C15-3615 Brand:  Eaton MPN:  QC3040H UPC:  786679240144 Shipping Weight:  1.10 Shipping Height:  4.00 In...
    SKU:
    C15-3615
    Series:
    QC
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Cable-In
    Mounting:
    Cable Out
    Interrupting Rating:
    10000 A
    Terminal Type:
    Box Lug
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Aluminum Box Lug Line/Steel Box Lug Load Terminal, Cable-In/Out Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_19_V4T1_20_V4T1_46_CAT.pdf
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Current Rating:
    40 A
    Country of Origin:
    Dominican Republic
    MSRP $816.78
    Surplus $86.54
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    Qty in Cart: 0
    Price:
    MSRP $816.78
    Surplus $86.54
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  • Eaton CHB240 Miniature Circuit Breakers (MCBs) 2P 40A 240V Eaton CHB240 Miniature Circuit Breakers (MCBs) 2P 40A 240V
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    Eaton CHB240 Miniature Circuit Breakers (MCBs) 2P 40A 240V

    MSRP $354.14
    Surplus $180.51
    Eaton CHB240 Miniature Circuit Breakers (MCBs) 2P 40A 240V​ ARCA SKU:  C15-5017 Brand:  Eaton MPN:  CHB240 UPC:  78211311248 Shipping Weight:  0.26 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-5017
    Amps:
    40 A
    Mounting:
    Bolt-On
    Poles:
    2
    Terminal Type:
    Molded Case
    Used On:
    PB Series Panel board
    Volts:
    240 VAC
    Short Description:
    240 VAC, 40 A, 10 kA, 2-Pole, Bolt-On Mount, Thermal Magnetic, Molded Case, Circuit Breaker
    Series:
    CHB
    Current Rating:
    40 A
    Number of Poles:
    2
    Voltage Rating:
    240 VAC
    Type:
    Molded Case
    Country of Origin:
    Dominican Republic
    MSRP $354.14
    Surplus $180.51
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    Qty in Cart: 0
    Price:
    MSRP $354.14
    Surplus $180.51
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  • Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA
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    Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA

    MSRP $571.75
    Surplus $171.33
    Eaton CH340 Miniature Circuit Breakers (MCBs) CH 3P 40A 240V 50/60Hz 3Ph EA​ ARCA SKU:  C15-2808 Brand:  Eaton MPN:  CH340 UPC:  782113102078 Shipping Weight:  0.90 lbs. Shipping...
    SKU:
    C15-2808
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    40 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Poles:
    3
    Terminal Type:
    Thermal Magnetic
    Type:
    Common Trip
    Used On:
    CH Series Load Center
    Volts:
    240 VAC
    Gauge:
    10 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
    Series:
    CH
    TS PIK:
    531277
    Current Rating:
    40 A
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Country of Origin:
    Dominican Republic
    MSRP $571.75
    Surplus $171.33
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    Qty in Cart: 0
    Price:
    MSRP $571.75
    Surplus $171.33
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  • Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA
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    Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA

    MSRP $938.98
    Surplus $134.29
    Eaton QBHW3040H Miniature Circuit Breakers (MCBs) QBHW 3P 40A 240V 50/60Hz 3Ph EA​ ARCA SKU:  C15-1784 Brand:  Eaton MPN:  QBHW3040H UPC:  786679393406 Shipping Weight:  1.10 lbs. Shipping...
    SKU:
    C15-1784
    Series:
    QBHW
    Type:
    Molded Case
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Bolt-On
    Interrupting Rating:
    22000 A at 240 VAC
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    240 VAC, 40 A, 22 kA, 3-Pole, Extended Tang Line/Steel Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_12_CAT.pdf
    TS PIK:
    21510609
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Current Rating:
    40 A
    Country of Origin:
    Dominican Republic
    MSRP $938.98
    Surplus $134.29
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    Qty in Cart: 0
    Price:
    MSRP $938.98
    Surplus $134.29
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  • Eaton BAB3040HS Miniature Circuit Breakers (MCBs) BAB 3P 40A 240V 50/60Hz 3Ph Eaton BAB3040HS Miniature Circuit Breakers (MCBs) BAB 3P 40A 240V 50/60Hz 3Ph
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    Eaton BAB3040HS Miniature Circuit Breakers (MCBs) BAB 3P 40A 240V 50/60Hz 3Ph

    MSRP $1,061.81
    Surplus $429.53
    SKU:  C15-1095 Brand:  Eaton MPN:  BAB3040HS UPC:  786679509661 Shipping Weight:  1.25 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1095
    Series:
    BAB
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Bolt-On
    Interrupting Rating:
    10000 A at 240 VAC
    Terminal Type:
    Extended Tang Line Terminal
    Terminal Type:
    Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Shunt Trip, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_11_V4T1_12_V4T1_45_CAT.pdf
    Current Rating:
    40 A
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Country of Origin:
    Dominican Republic
    MSRP $1,061.81
    Surplus $429.53
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    Qty in Cart: 0
    Price:
    MSRP $1,061.81
    Surplus $429.53
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  • Eaton CH340ST Molded Case Breakers (MCCBs)
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    Eaton CH340ST Molded Case Breakers (MCCBs)

    MSRP $524.10
    Surplus $535.92
    SKU:  U00-7936 Brand:  Eaton MPN:  CH340ST UPC:  78211332212 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-7936
    Current Rating:
    40 A
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_V1T1_43_CAT.pdf
    Number of Poles:
    3
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Approval:
    UL 489, CSA
    Interrupting Rating:
    10000 A at 240 VAC
    Voltage Rating:
    240 VAC
    Type:
    Common Trip, Thermal Magnetic, Shunt Trip
    Mounting:
    Plug-On
    Series:
    CH
    Used On:
    Loadcenter
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Thermal Magnetic, Circuit Breaker
    Country of Origin:
    Mexico
    MSRP $524.10
    Surplus $535.92
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    Qty in Cart: 0
    Price:
    MSRP $524.10
    Surplus $535.92
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  • Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph
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    Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph

    MSRP $925.68
    Surplus $89.55
    Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph​ ARCA SKU:  C15-4111 Brand:  Eaton MPN:  FAZ-C40/3-RT UPC:  015081021721 Shipping Weight:  0.90 lbs. Shipping...
    SKU:
    C15-4111
    Type:
    Current Limiting
    Approval:
    UL 489
    Approval:
    CSA-C22.2
    Approval:
    IEC 60947-2
    Size:
    45 Millimeter Length x 17.7 Millimeter Width x 105 Millimeter Height
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    DIN Rail
    Interrupting Rating:
    15 kA
    Terminal Type:
    Screw
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 3-Pole, 10/14 kA, 5 to 10 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    Data Sheet:
    Eaton_53988_1-5_DATA.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    40 A
    Number of Poles:
    3
    Series:
    FAZ
    Curve Type:
    C
    Country of Origin:
    Germany
    MSRP $925.68
    Surplus $89.55
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    Qty in Cart: 0
    Price:
    MSRP $925.68
    Surplus $89.55
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  • Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA
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    Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA

    MSRP $886.21
    Surplus $132.51
    Siemens B340 Miniature Circuit Breakers (MCBs) B 3P 40A 240V EA​ ARCA SKU:  C15-2265 Brand:  Siemens MPN:  B340 UPC:  783643263734 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-2265
    Type:
    Molded Case
    Type:
    Branch
    Type:
    BL
    Approval:
    UL 489
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    10 kA
    Application:
    Electrical Distribution
    Installation:
    Bolt-On
    Short Description:
    240 VAC, 40 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip
    Catalog:
    SiemensAG_00876_5_18_5_19_CAT.pdf
    TS PIK:
    21368401
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Current Rating:
    40 A
    Mounting:
    Bolt-On
    Series:
    B
    Country of Origin:
    Mexico
    MSRP $886.21
    Surplus $132.51
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $886.21
    Surplus $132.51
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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.