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 QBHW3045H Molded Case Breakers (MCCBs) 3P 45A 240V EA Eaton QBHW3045H Molded Case Breakers (MCCBs) 3P 45A 240V EA
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    Eaton QBHW3045H Molded Case Breakers (MCCBs) 3P 45A 240V EA

    MSRP $733.92
    Surplus $137.91
    SKU:  C15-4091 Brand:  Eaton MPN:  QBHW3045H UPC:  78667939342 Shipping Weight:  1.10 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-4091
    Series:
    QBHW
    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, 45 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:
    107002728
    Voltage Rating:
    240 VAC
    Current Rating:
    45 A
    Number of Poles:
    3
    Country of Origin:
    United States
    MSRP $733.92
    Surplus $137.91
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    Qty in Cart: 0
    Price:
    MSRP $733.92
    Surplus $137.91
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    Eaton CH345 Miniature Circuit Breakers (MCBs) EA Eaton CH345 Miniature Circuit Breakers (MCBs) EA
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    Eaton CH345 Miniature Circuit Breakers (MCBs) EA

    MSRP $376.54
    Surplus $170.24
    Eaton CH345 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-5228 Brand:  Eaton MPN:  CH345 UPC:  782113356266 Shipping Weight:  0.90 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-5228
    Series:
    CH
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    CH Series Loadcenter
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    10 to 1/0 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    TS PIK:
    111014893
    Current Rating:
    45 A
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    MSRP $376.54
    Surplus $170.24
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    Qty in Cart: 0
    Price:
    MSRP $376.54
    Surplus $170.24
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    Crouse-Hinds CH345 Miniature Circuit Breakers (MCBs)
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    Crouse-Hinds CH345 Miniature Circuit Breakers (MCBs)

    MSRP $376.54
    Surplus $134.54
    SKU:  C15-5685 Brand:  Crouse-Hinds MPN:  CH345 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-5685
    TS PIK:
    111014893
    Interrupting Rating:
    10 kA
    Type:
    Thermal Magnetic, Common Trip
    Mounting:
    Plug-On
    Current Rating:
    45 A
    Number of Poles:
    3
    Wire Size:
    10 to 1/0 AWG (Aluminum/Copper)
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    Used On:
    CH Series Loadcenter
    Voltage Rating:
    240 VAC
    Series:
    CH
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
    Approval:
    UL 489, CSA
    MSRP $376.54
    Surplus $134.54
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    Qty in Cart: 0
    Price:
    MSRP $376.54
    Surplus $134.54
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  • Eaton BAB3045H Miniature Circuit Breakers (MCBs) BA 3P 45A 120/240V 50/60Hz 3Ph EA Eaton BAB3045H Miniature Circuit Breakers (MCBs) BA 3P 45A 120/240V 50/60Hz 3Ph EA
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    Eaton BAB3045H Miniature Circuit Breakers (MCBs) BA 3P 45A 120/240V 50/60Hz 3Ph EA

    MSRP $405.00
    Surplus $86.19
    SKU:  C15-1097 Brand:  Eaton MPN:  BAB3045H UPC:  786679303450 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1097
    TS PIK:
    21508711
    Series:
    BAB
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
    Type:
    Thermal Magnetic
    Voltage Rating:
    240 VAC
    Mounting:
    Bolt-On
    Catalog:
    Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
    Terminal Type:
    Extended Tang Line Terminal, Box Lug Load Terminal
    Wire Size:
    14 to 4 AWG Aluminum/Copper (Load)
    Interrupting Rating:
    10000 A at 240 VAC
    Number of Poles:
    3
    Current Rating:
    45 A
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA
    MSRP $405.00
    Surplus $86.19
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    Qty in Cart: 0
    Price:
    MSRP $405.00
    Surplus $86.19
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    Eaton BAB3045HS Miniature Circuit Breakers (MCBs) BAB 3P 45A 240V 50/60Hz 3Ph Eaton BAB3045HS Miniature Circuit Breakers (MCBs) BAB 3P 45A 240V 50/60Hz 3Ph
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    Eaton BAB3045HS Miniature Circuit Breakers (MCBs) BAB 3P 45A 240V 50/60Hz 3Ph

    MSRP $900.00
    Surplus $328.24
    SKU:  C15-3367 Brand:  Eaton MPN:  BAB3045HS UPC:  786679378168 Shipping Weight:  1.25 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-3367
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    45 A
    Interrupting Rating:
    10000 A at 240 VAC
    Mounting:
    Bolt-On
    Poles:
    3
    Size:
    3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
    Terminal Type:
    Steel Box Lug Standard Load
    Type:
    Thermal Magnetic
    Type:
    Non-Interchangeable Trip
    Type:
    Miniature
    Volts:
    240 VAC
    Gauge:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Voltage Rating:
    240 VAC
    Current Rating:
    45 A
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Catalog:
    Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
    Number of Poles:
    3
    Short Description:
    EATON BAB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC
    MSRP $900.00
    Surplus $328.24
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    Qty in Cart: 0
    Price:
    MSRP $900.00
    Surplus $328.24
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  • Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA
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    Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA

    MSRP $380.00
    Surplus $64.68
    Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA​ ARCA SKU:  C15-1261 Brand:  Eaton MPN:  BR345 UPC:  786676000116 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-1261
    Series:
    BR
    Type:
    Standard
    Approval:
    UL 489
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    Data Sheet:
    Mersen_00019_FB20_FB21_DATA.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    45 A
    Number of Poles:
    3
    Country of Origin:
    Dominican Republic
    MSRP $380.00
    Surplus $64.68
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    Qty in Cart: 0
    Price:
    MSRP $380.00
    Surplus $64.68
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    Eaton QC3045H Molded Case Breakers (MCCBs)
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    Eaton QC3045H Molded Case Breakers (MCCBs)

    MSRP $370.54
    Surplus $100.04
    SKU:  C15-17603 Brand:  Eaton MPN:  QC3045H UPC:  78667924016 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-17603
    Interrupting Rating:
    10000 A at 240 VAC
    Current Rating:
    45 A
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Approval:
    UL 489, CSA
    Size:
    3 Inch Width x 3.9 Inch Depth x 3 Inch Height
    Short Description:
    QC BKR 3 POLE 45A 240VAC_ 10 kAIC
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Type:
    Thermal Magnetic, Cable-In/Cable-Out, Non-Interchangeable Trip, Miniature
    Terminal Type:
    Aluminum Box Lug Standard Line, Steel Box Lug Standard Load
    Catalog:
    Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
    MSRP $370.54
    Surplus $100.04
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    Qty in Cart: 0
    Price:
    MSRP $370.54
    Surplus $100.04
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  • Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph
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    Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph

    MSRP $520.00
    Surplus $63.48
    Siemens B345 Miniature Circuit Breakers (MCBs) B 3P 45A 240V 50/60Hz 3Ph​ ARCA SKU:  C15-2568 Brand:  Siemens MPN:  B345 UPC:  783643263741 Shipping Weight:  0.95 lbs. Shipping Height:  3...
    SKU:
    C15-2568
    Type:
    Electronic
    Type:
    Thermal
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    240 VAC at 50/60 Hertz (UL)
    Amps:
    32 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    3
    Interrupting Rating:
    10 kA at 240 VAC (UL)
    Enclosure:
    IP20
    Application:
    Lighting
    Application:
    Distribution
    Installation:
    Bolt-On
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    Eaton_41036_1-6_DATA.pdf
    Number of Poles:
    3
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    45 A
    Mounting:
    Bolt-On
    Series:
    B
    Country of Origin:
    Mexico
    MSRP $520.00
    Surplus $63.48
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    Qty in Cart: 0
    Price:
    MSRP $520.00
    Surplus $63.48
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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.