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 BD1520 Miniature Circuit Breakers (MCBs) 15-20A 120V EA Eaton BD1520 Miniature Circuit Breakers (MCBs) 15-20A 120V EA
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    Eaton BD1520 Miniature Circuit Breakers (MCBs) 15-20A 120V EA

    MSRP $120.91
    Surplus $15.19
    Eaton BD1520 Miniature Circuit Breakers (MCBs) 15-20A 120V EA​ ARCA SKU:  C15-1120 Brand:  Eaton MPN:  BD1520 UPC:  78667636910 Shipping Weight:  0.40 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-1120
    Series:
    BD
    Type:
    Duplex
    Approval:
    UL 489
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    BR Series Load Center
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Short Description:
    120 VAC, 15/20 A, 10 kA, 1-Pole, Plug-On Mount, BD Breaker, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_87_CAT.pdf
    TS PIK:
    21493931
    Voltage Rating:
    120 VAC
    Current Rating:
    15/20 A
    Number of Poles:
    1
    Country of Origin:
    Dominican Republic
    MSRP $120.91
    Surplus $15.19
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    Qty in Cart: 0
    Price:
    MSRP $120.91
    Surplus $15.19
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  • Siemens Q1520 Miniature Circuit Breakers (MCBs) 15/20A 120V
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    Siemens Q1520 Miniature Circuit Breakers (MCBs) 15/20A 120V

    MSRP $98.00
    Surplus $17.56
    Siemens Q1520 Miniature Circuit Breakers (MCBs) 15/20A 120V​ ARCA SKU:  C15-6187 Brand:  Siemens MPN:  Q1520 UPC:  78364314825 Shipping Weight:  0.35 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-6187
    TS PIK:
    21366745
    Used On:
    Loadcenter
    Data Sheet:
    SiemensAG_06978_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Catalog:
    SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
    Interrupting Rating:
    10 kA
    Size:
    1 Inch W x 2.06 Inch D x 3.12 Inch H
    Number of Poles:
    1
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Duplex
    Short Description:
    120 VAC, 15/20 A, 10 kA, (2) 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QT Frame, Duplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Series:
    QT
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Mounting:
    Plug-On
    Terminal Type:
    Load Lug
    Current Rating:
    15/20 A
    Voltage Rating:
    120 VAC
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $98.00
    Surplus $17.56
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    Qty in Cart: 0
    Price:
    MSRP $98.00
    Surplus $17.56
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    Eaton BR1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA Eaton BR1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA
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    Eaton BR1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA

    MSRP $125.45
    Surplus $34.58
    Eaton BR1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA​ ARCA SKU:  C15-1207 Brand:  Eaton MPN:  BR1520 UPC:  786676370103 Shipping Weight:  0.40 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-1207
    Series:
    BR
    Type:
    Thermal Magnetic
    Type:
    Duplex
    Approval:
    UL 489
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    BR Series Load Center
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120 VAC, 15/20 A, 10 kA, 1-Pole, Plug-On Mount, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_88_CAT.pdf
    TS PIK:
    21493951
    Voltage Rating:
    120 VAC
    Current Rating:
    15/20 A
    Number of Poles:
    1
    Country of Origin:
    Dominican Republic
    MSRP $125.45
    Surplus $34.58
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    Qty in Cart: 0
    Price:
    MSRP $125.45
    Surplus $34.58
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  • Eaton CHT1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA Eaton CHT1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA
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    Eaton CHT1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA

    MSRP $140.00
    Surplus $53.20
    Eaton CHT1520 Miniature Circuit Breakers (MCBs) 1P 15A/20A 240V EA​ ARCA SKU:  C15-3383 Brand:  Eaton MPN:  CHT1520 UPC:  782113631554 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In...
    SKU:
    C15-3383
    Series:
    Type CHT
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    CTL
    Used On:
    Non-CTL CH Load Center
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10000 A
    Wire Size:
    14 to 8 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 15/20 A, 10 kA, 1-Pole, Plug-On Mount, Twin Panel
    Catalog:
    Eaton_36601_V1T1_35_V1T1_39_CAT.pdf
    Data Sheet:
    Eaton_36590_1_2_DATA.pdf
    Installation/Operator:
    Eaton_00008_INST.pdf
    Manufacturer Warranty:
    Eaton_00009_WARR.pdf
    Current Rating:
    15/20 A
    Number of Poles:
    1
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    United States
    MSRP $140.00
    Surplus $53.20
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    Qty in Cart: 0
    Price:
    MSRP $140.00
    Surplus $53.20
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  • Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph
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    Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph

    MSRP $202.00
    Surplus $48.98
    Eaton BQC2202115 Miniature Circuit Breakers (MCBs) BR 2P 15A/20A 240V 50/60Hz 1Ph​ ARCA SKU:  C15-4156 Brand:  Eaton MPN:  BQC2202115 UPC:  786676371971 Shipping Weight:  0.75 Shipping...
    SKU:
    C15-4156
    Series:
    BQC
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Type:
    Quadplex
    Approval:
    UL 489
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    2
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 15/20 A, 10 kA, 1-Pole Outer Left/1-Pole Outer Right/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_89_CAT.pdf
    Number of Poles:
    2
    Current Rating:
    15/20 A
    Voltage Rating:
    120/240 VAC
    Mounting:
    Plug-On
    MSRP $202.00
    Surplus $48.98
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    Qty in Cart: 0
    Price:
    MSRP $202.00
    Surplus $48.98
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  • Eaton BQC215220 Miniature Circuit Breakers (MCBs) 2P 15A/20A 240V EA Eaton BQC215220 Miniature Circuit Breakers (MCBs) 2P 15A/20A 240V EA
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    Eaton BQC215220 Miniature Circuit Breakers (MCBs) 2P 15A/20A 240V EA

    MSRP $268.55
    Surplus $21.33
    Eaton BQC215220 Miniature Circuit Breakers (MCBs) 2P 15A/20A 240V EA​ ARCA SKU:  C15-3282 Brand:  Eaton MPN:  BQC215220 UPC:  786676005982 Shipping Weight:  0.75 lbs. Shipping Height:  3...
    SKU:
    C15-3282
    Series:
    BQC
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Type:
    Quadplex
    Approval:
    UL 489
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    2
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 15/20 A, 10 kA, 2-Pole Outer/2-Pole Center, Plug-On Mount, BQC Breaker, Common Trip, Quadplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_89_CAT.pdf
    TS PIK:
    116434694
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Current Rating:
    15/20 A
    Mounting:
    Plug-On
    Country of Origin:
    Dominican Republic
    MSRP $268.55
    Surplus $21.33
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    Qty in Cart: 0
    Price:
    MSRP $268.55
    Surplus $21.33
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  • Eaton BR420 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph EA Eaton BR420 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph EA
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    Eaton BR420 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph EA

    MSRP $250.00
    Surplus $87.78
    Eaton BR420 Miniature Circuit Breakers (MCBs) BR 2P 20A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-1272 Brand:  Eaton MPN:  BR420 UPC:  786676372152 Shipping Weight:  0.75 lbs. Shipping...
    SKU:
    C15-1272
    Series:
    BR
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Approval:
    UL 489
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 15 to 20 A, 10 kA, 2-Pole, Plug-On Mount, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_88_CAT.pdf
    TS PIK:
    21493999
    Voltage Rating:
    120/240 VAC
    Current Rating:
    15/20 A
    Number of Poles:
    2
    Country of Origin:
    Dominican Republic
    MSRP $250.00
    Surplus $87.78
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    Qty in Cart: 0
    Price:
    MSRP $250.00
    Surplus $87.78
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    Siemens Q1520NC Molded Case Breakers (MCCBs)
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    Siemens Q1520NC Molded Case Breakers (MCCBs)

    MSRP $37.00
    Surplus $9.99
    SKU:  C15-19045 Brand:  Siemens MPN:  Q1520NC UPC:  66286200394 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-19045
    Country of Origin:
    MEX
    Short Description:
    120 VAC, 15/20 A, 10 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Non-CTL, Duplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Current Rating:
    15/20 A
    Number of Poles:
    1
    Voltage Rating:
    120 VAC
    Interrupting Rating:
    10 kA
    Data Sheet:
    SiemensAG_06979_1_DATA.pdf
    Used On:
    Loadcenter
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Size:
    1 Inch W x 3 Inch D x 3 Inch H
    Mounting:
    Plug-On
    Type:
    Duplex
    Approval:
    UL 489
    Catalog:
    SiemensAG_00562_1_42_CAT.pdf
    MSRP $37.00
    Surplus $9.99
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    Qty in Cart: 0
    Price:
    MSRP $37.00
    Surplus $9.99
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  • Square D QO1520 Miniature Circuit Breakers (MCBs) QO 1P 15A/20A 120V 50/60Hz 1Ph Square D QO1520 Miniature Circuit Breakers (MCBs) QO 1P 15A/20A 120V 50/60Hz 1Ph
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    Square D QO1520 Miniature Circuit Breakers (MCBs) QO 1P 15A/20A 120V 50/60Hz 1Ph

    MSRP $73.00
    Surplus $99.75
    Square D QO1520 Miniature Circuit Breakers (MCBs) QO 1P 15A/20A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-2167 Brand:  Square D MPN:  QO1520 UPC:  785901400929 Shipping Weight:  3.33 Shipping Height:  3...
    SKU:
    C15-2167
    Series:
    QO
    Type:
    Thermal Magnetic
    Type:
    Duplex
    Approval:
    UL
    Approval:
    CSA
    Size:
    0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
    Volts:
    120/240 VAC 50/60 Hertz
    Amps:
    32 A
    Used On:
    QO Load Center
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Box Lug
    Wire Size:
    14 to 8 AWG (Copper/Aluminum)
    Short Description:
    120/240 VAC 50/60 Hz, 15/20 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Tandem
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
    Current Rating:
    15/20 A
    Voltage Rating:
    120/240 VAC 50/60 Hertz
    Number of Poles:
    1
    Data Sheet:
    SchneiderElectric-SquareD_53434_1_2_DATA.pdf
    Country of Origin:
    Mexico
    MSRP $73.00
    Surplus $99.75
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $73.00
    Surplus $99.75
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  • Square D QOT1520 Miniature Circuit Breakers (MCBs)
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    Square D QOT1520 Miniature Circuit Breakers (MCBs)

    MSRP $53.37
    Surplus $34.58
    Square D QOT1520 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6479 Brand:  Square D MPN:  QOT1520 UPC:  78590141804 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-6479
    TS PIK:
    111088438
    Short Description:
    120/240 VAC 50/60 Hz, 15/20 A, 10 kA Interrupt, 1-Pole, 12 to 8 AWG Aluminum, 14 to 8 AWG Copper, Plug-In Mount, Pressure Plate Terminal, Tandem, Miniature Circuit Breaker
    Series:
    QO
    Size:
    0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
    Current Rating:
    15/20 A
    Type:
    Tandem, Miniature
    Terminal Type:
    Pressure Plate
    Voltage Rating:
    120/240 VAC 50/60 Hertz
    Mounting:
    Plug-On
    Number of Poles:
    1
    Interrupting Rating:
    10 kA
    Installation/Operator:
    SchneiderElectric-SquareD_01290_INST.pdf
    Data Sheet:
    SchneiderElectric-SquareD_53729_1_2_DATA.pdf
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
    Wire Size:
    12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
    Used On:
    QO Load Center
    Country of Origin:
    Mexico
    Approval:
    UL, CSA
    MSRP $53.37
    Surplus $34.58
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $53.37
    Surplus $34.58
    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.