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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 FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph Eaton FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph
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    Eaton FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph

    MSRP $571.75
    Surplus $56.53
    Eaton FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph​ ARCA SKU:  C15-3742 Brand:  Eaton MPN:  FAZ-D40/3 UPC:  015082789002 Shipping Weight:  0.85 Shipping Height:  3...
    SKU:
    C15-3742
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 1077
    Approval:
    UL (Canada and US)
    Approval:
    CSA C22.2
    Approval:
    CE
    Size:
    2.09 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
    Volts:
    277/480 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Terminal Type:
    Screw
    Wire Size:
    18 to 4/18 to 8 AWG
    Trip Setting:
    10 to 20 x Rated Current
    Short Description:
    480 VAC Star/277 VAC, 96 VDC, 40 A, 15 kA, 10 to 20 x Rated Current, 3-Pole, Screw Terminal, DIN Rail Mount, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_74_V4T1_75_V4T1_78_V4T1_85_V4T1_86_V4T1_88_V4T1_92_CAT.pdf
    Data Sheet:
    Eaton_40783_1-9_DATA.pdf
    Installation/Operator:
    Eaton_00479_INST.pdf
    Number of Poles:
    3
    Current Rating:
    40 A
    Voltage Rating:
    277/480 VAC
    Curve Type:
    D
    Country of Origin:
    Germany
    MSRP $571.75
    Surplus $56.53
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    Qty in Cart: 0
    Price:
    MSRP $571.75
    Surplus $56.53
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  • Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA
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    Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA

    MSRP $1,694.82
    Surplus $409.75
    Square D EGB34040 Miniature Circuit Breakers (MCBs) EGB 3P 40A 600V 50/60Hz 3Ph EA​ ARCA SKU:  C15-4852 Brand:  Square D MPN:  EGB34040 UPC:  785901311171 Shipping Weight:  3.55 lbs. Shipping...
    SKU:
    C15-4852
    Series:
    EGB
    Type:
    Thermal Magnetic
    Type:
    Branch
    Type:
    Miniature
    Approval:
    UL (Canada and US)
    Volts:
    480 Star/277 VAC
    Amps:
    32 A
    Used On:
    NF Merchandised Panelboard
    Poles:
    3
    Interrupting Rating:
    35 kA at 480 Star/277 VAC
    Application:
    Lighting
    Installation:
    Bolt-On
    Trip Setting:
    630 A (Hold)
    Trip Setting:
    1800 Amp (Trip)
    Short Description:
    480 Star/277 VAC, 40 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature
    Catalog:
    SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
    Data Sheet:
    SchneiderElectric-SquareD_45679_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_01117_INST.pdf
    Manufacturer Warranty:
    SchneiderElectric-SquareD_00002_WARR.pdf
    TS PIK:
    124275625
    Current Rating:
    40 A
    Number of Poles:
    3
    Voltage Rating:
    277/480 VAC
    Mounting:
    Bolt-On
    Country of Origin:
    United States
    MSRP $1,694.82
    Surplus $409.75
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    Qty in Cart: 0
    Price:
    MSRP $1,694.82
    Surplus $409.75
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  • Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA
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    Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA

    MSRP $695.81
    Surplus $80.44
    Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA​ ARCA SKU:  C15-3917 Brand:  Eaton MPN:  FAZ-C40/3-NA UPC:  015081021325 Shipping Weight:  0.90 lbs. Shipping Height:  3...
    SKU:
    C15-3917
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Approval:
    CCC
    Size:
    2.09 Inch Width x 3.15 Inch Height
    Volts:
    277/480 VAC at 50/60 Hertz
    Volts:
    96 VDC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Interrupting Rating:
    10 kA at 96 Volt DC (UL
    Terminal Type:
    Screw
    Trip Setting:
    5 to 10 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 3-Pole, 10/14 kA, 5 to 10 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    Data Sheet:
    Eaton_56876_1-5_DATA.pdf
    Current Rating:
    40 A
    Voltage Rating:
    277/480 VAC
    Number of Poles:
    3
    Curve Type:
    C
    Country of Origin:
    Germany
    MSRP $695.81
    Surplus $80.44
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    Qty in Cart: 0
    Price:
    MSRP $695.81
    Surplus $80.44
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  • Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs) Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)
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    Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)

    MSRP $234.14
    Surplus $15.40
    Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-3866 Brand:  Eaton MPN:  FAZ-C40/1-RT-SP UPC:  015081637243 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-3866
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
    Volts:
    277/480 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Terminal Type:
    Screw
    Wire Size:
    18 to 4/18 to 8 AWG
    Trip Setting:
    5 to 10 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 5 to 10 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Single Packaging, C-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    Voltage Rating:
    277/480 VAC
    Current Rating:
    40 A
    Number of Poles:
    1
    Curve Type:
    C
    TS PIK:
    124653255
    Country of Origin:
    Spain
    MSRP $234.14
    Surplus $15.40
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    Qty in Cart: 0
    Price:
    MSRP $234.14
    Surplus $15.40
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  • Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA
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    Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA

    MSRP $197.39
    Surplus $28.38
    Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA​ ARCA SKU:  C15-3808 Brand:  Eaton MPN:  FAZ-C40/1-SP UPC:  015081636789 Shipping Weight:  0.30 lbs. Shipping...
    SKU:
    C15-3808
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 1077
    Approval:
    UL (Canada and US)
    Approval:
    CSA C22.2
    Approval:
    CE
    Size:
    0.7 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
    Volts:
    277/480 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Terminal Type:
    Screw
    Wire Size:
    18 to 4/18 to 8 AWG
    Trip Setting:
    5 to 10 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, C-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
    TS PIK:
    124653210
    Number of Poles:
    1
    Current Rating:
    40 A
    Voltage Rating:
    277/480 VAC
    Curve Type:
    C
    Country of Origin:
    Germany
    MSRP $197.39
    Surplus $28.38
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    Qty in Cart: 0
    Price:
    MSRP $197.39
    Surplus $28.38
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  • Eaton FAZ-C40/2 Miniature Circuit Breakers (MCBs) EA
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    Eaton FAZ-C40/2 Miniature Circuit Breakers (MCBs) EA

    MSRP $383.59
    Surplus $31.57
    Eaton FAZ-C40/2 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-9042 Brand:  Eaton MPN:  FAZ-C40/2 UPC:  4015082787646 Shipping Weight:  0.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-9042
    Series:
    FAZ
    Voltage Rating:
    277/480 VAC
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 2-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
    Type:
    Thermal Magnetic
    Current Rating:
    40 A
    Terminal Type:
    Screw
    Data Sheet:
    Eaton_53982_1-9_DATA.pdf
    Mounting:
    DIN Rail
    Wire Size:
    18 to 4/18 to 8 AWG
    Number of Poles:
    2
    Catalog:
    Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
    Size:
    1.4 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
    Interrupting Rating:
    10 kA
    Curve Type:
    C
    Approval:
    UL 1077, UL (Canada and US), CSA C22.2, CE
    Country of Origin:
    Germany
    Trip Setting:
    5 to 10 x Rated Current
    MSRP $383.59
    Surplus $31.57
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    Qty in Cart: 0
    Price:
    MSRP $383.59
    Surplus $31.57
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  • Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers
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    Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers

    MSRP $251.84
    Surplus $19.11
    Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers​ ARCA SKU:  C15-3590 Brand:  Eaton MPN:  FAZ-D40/1-NA-SP UPC:  015081637069 Shipping Weight:  0.15 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-3590
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
    Volts:
    277/480 VAC
    Amps:
    32 A
    Poles:
    1
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Terminal Type:
    Screw
    Wire Size:
    18 to 4/18 to 8 AWG
    Trip Setting:
    10 to 20 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 10 to 20 x Rated Current, Screw Terminal, DIN Rail Mount, Single Packaging, D-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    TS PIK:
    124653238
    Number of Poles:
    1
    Current Rating:
    40 A
    Voltage Rating:
    277/480 VAC
    Curve Type:
    D
    Country of Origin:
    Germany
    MSRP $251.84
    Surplus $19.11
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    Qty in Cart: 0
    Price:
    MSRP $251.84
    Surplus $19.11
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  • Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph
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    Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph

    MSRP $268.82
    Surplus $31.21
    Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph​ ARCA SKU:  C15-1794 Brand:  Eaton MPN:  FAZ-D40/1-RT-SP UPC:  015081637410 Shipping Weight:  0.50 Shipping...
    SKU:
    C15-1794
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Approval:
    CCC
    Size:
    0.7 Inch Width x 3.15 Inch Height
    Volts:
    277 VAC at 50/60 Hertz
    Volts:
    48 VDC (UL/CSA)
    Amps:
    32 A
    Poles:
    1
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Interrupting Rating:
    10 Kiloamp at 48 Volt DC (UL
    Terminal Type:
    Screw
    Trip Setting:
    10 to 20 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 10 to 20 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Single Packaging, D-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    Data Sheet:
    Eaton_56860_1-3_DATA.pdf
    Number of Poles:
    1
    Voltage Rating:
    277/480 VAC
    Current Rating:
    40 A
    Curve Type:
    D
    Country of Origin:
    Germany
    MSRP $268.82
    Surplus $31.21
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $268.82
    Surplus $31.21
    See Availability
  • Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs) Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs)
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    Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs)

    MSRP $898.46
    Surplus $79.54
    Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-3558 Brand:  Eaton MPN:  FAZ-D40/3-RT UPC:  015081021929 Shipping Weight:  0.85 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-3558
    Series:
    FAZ
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    2.09 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
    Volts:
    277/480 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    DIN Rail
    Interrupting Rating:
    10 kA
    Terminal Type:
    Screw
    Wire Size:
    18 to 4/18 to 8 AWG
    Trip Setting:
    10 to 20 x Rated Current
    Short Description:
    277/480 VAC 50/60 Hz, 40 A, 3-Pole, 10/14 kA, 10 to 20 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic
    Catalog:
    Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
    Data Sheet:
    Eaton_54192_1-5_DATA.pdf
    Number of Poles:
    3
    Voltage Rating:
    277/480 VAC
    Current Rating:
    40 A
    Curve Type:
    D
    TS PIK:
    124501618
    Country of Origin:
    Spain
    MSRP $898.46
    Surplus $79.54
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $898.46
    Surplus $79.54
    See Availability

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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.