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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  • Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A
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    Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A

    MSRP $189.29
    Surplus $36.06
    Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU:  C15-6317 Brand:  Murray MPN:  MQ220 UPC:  04089252820 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6317
    TS PIK:
    120071665
    Short Description:
    20 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
    Type:
    Common Trip
    Current Rating:
    20 A
    Number of Poles:
    2
    Mounting:
    Plug-On
    Used On:
    Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
    Interrupting Rating:
    10 kA
    Data Sheet:
    SiemensAG_06682_1_DATA.pdf
    Voltage Rating:
    120/240 V
    Country of Origin:
    Mexico
    MSRP $189.29
    Surplus $36.06
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    Qty in Cart: 0
    Price:
    MSRP $189.29
    Surplus $36.06
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  • Siemens Q2125H Miniature Circuit Breakers (MCBs)
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    Siemens Q2125H Miniature Circuit Breakers (MCBs)

    MSRP $1,927.60
    Surplus $293.36
    SKU:  C15-7632 Brand:  Siemens MPN:  Q2125H UPC:  78364315640 Shipping Weight:  0.70 lbs. Shipping Height:  3.00 In. Shipping Length:  2.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7632
    TS PIK:
    120632077
    Type:
    Thermal Magnetic
    Voltage Rating:
    120/240 V
    Mounting:
    Plug-On
    Data Sheet:
    SiemensAG_06991_1_DATA.pdf
    Current Rating:
    125 A
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Size:
    3 Inch Width x 3 Inch Depth x 2 Inch Height
    Short Description:
    120/240 VAC, 125 A, 22 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Interrupting Rating:
    22 kA
    Used On:
    Load Centre Main, Feeder
    Number of Poles:
    2
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $1,927.60
    Surplus $293.36
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    Qty in Cart: 0
    Price:
    MSRP $1,927.60
    Surplus $293.36
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  • Siemens Q2200B Other Circuit Breakers Siemens Q2200B Other Circuit Breakers
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    Siemens Q2200B Other Circuit Breakers

    MSRP $1,884.04
    Surplus $152.19
    SKU:  C15-8487 Brand:  Siemens MPN:  Q2200B UPC:  78364314873 Shipping Weight:  2.15 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-8487
    TS PIK:
    21332080
    Interrupting Rating:
    10 kA
    Country of Origin:
    MEX
    Short Description:
    120/240 V, 200 A, 10 kA Interrupt, 2-Pole, Thermal Magnetic, Miniature Circuit Breaker
    Data Sheet:
    SiemensAG_01645_1_DATA.pdf
    Voltage Rating:
    120/240 V
    Type:
    Thermal Magnetic
    Size:
    2 Inch Width x 7 Inch Depth x 4 Inch Height
    Mounting:
    Plug-On
    Number of Poles:
    2
    Current Rating:
    200 A
    Approval:
    UL 489
    MSRP $1,884.04
    Surplus $152.19
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    Price:
    MSRP $1,884.04
    Surplus $152.19
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    Siemens QF230 Miniature Circuit Breakers (MCBs) 30A
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    Siemens QF230 Miniature Circuit Breakers (MCBs) 30A

    MSRP $437.66
    Surplus $224.70
    SKU:  C15-6280 Brand:  Siemens MPN:  QF230 UPC:  78364314856 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-6280
    TS PIK:
    21366645
    Short Description:
    120/240 VAC, 30 A, 10 kA, 5 mA, 2-Pole, Plug-On Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Number of Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Current Rating:
    30 A
    Voltage Rating:
    120/240 V
    Data Sheet:
    SiemensAG_07102_1_DATA.pdf
    Size:
    6.8 Inch Width x 12.7 Inch Depth x 7.9 Inch Height
    Used On:
    Load Centre Main, Feeder
    MSRP $437.66
    Surplus $224.70
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    Price:
    MSRP $437.66
    Surplus $224.70
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  • Siemens QF240A Miniature Circuit Breakers (MCBs) Siemens QF240A Miniature Circuit Breakers (MCBs)
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    Siemens QF240A Miniature Circuit Breakers (MCBs)

    MSRP $549.97
    Surplus $146.72
    Siemens QF240A Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8842 Brand:  Siemens MPN:  QF240A UPC:  88762121672 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8842
    TS PIK:
    126617536
    Short Description:
    120/240 VAC, 40 A, 10 kA, 5 mA, 2-Pole, Plug-In Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Current Rating:
    40 A
    Catalog:
    SiemensAG_00562_1_40_CAT.pdf
    Number of Poles:
    2
    Interrupting Rating:
    10 kA
    Type:
    Circuit Interrupter
    Data Sheet:
    SiemensAG_07105_1_DATA.pdf
    Voltage Rating:
    120/240 V
    Used On:
    Load Center
    Mounting:
    Plug-On
    Country of Origin:
    Philippines
    MSRP $549.97
    Surplus $146.72
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    Qty in Cart: 0
    Price:
    MSRP $549.97
    Surplus $146.72
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    Siemens QF260A Miniature Circuit Breakers (MCBs)

    MSRP $539.07
    Surplus $230.71
    SKU:  C15-6281 Brand:  Siemens MPN:  QF260A UPC:  88762121678 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-6281
    TS PIK:
    126513863
    Data Sheet:
    SiemensAG_07109_1_DATA.pdf
    Used On:
    Load Center
    Catalog:
    SiemensAG_00562_1_40_CAT.pdf
    Type:
    Circuit Interrupter
    Interrupting Rating:
    10 kA
    Number of Poles:
    2
    Short Description:
    120/240 VAC, 60 A, 10 kA, 5 mA, 2-Pole, Plug-On Mount, QPF Frame, GFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Current Rating:
    60 A
    Voltage Rating:
    120/240 V
    Country of Origin:
    Philippines
    MSRP $539.07
    Surplus $230.71
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    Qty in Cart: 0
    Price:
    MSRP $539.07
    Surplus $230.71
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  • Square D QO115EPD Miniature Circuit Breakers (MCBs)
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    Square D QO115EPD Miniature Circuit Breakers (MCBs)

    MSRP $558.13
    Surplus $340.38
    SKU:  C15-10868 Brand:  Square D MPN:  QO115EPD UPC:  78590176378 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10868
    TS PIK:
    111093130
    Used On:
    QO Loadcenter, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
    Short Description:
    120 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, 1-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
    Series:
    QO-EPD
    Size:
    0.75 Inch W x 2.91 Inch D x 4.12 Inch H
    Terminal Type:
    Pressure Plate
    Current Rating:
    15 A
    Voltage Rating:
    120 VAC at 50/60 Hz (UL/CSA)
    Data Sheet:
    SchneiderElectric-SquareD_14828_1_2_DATA.pdf
    Interrupting Rating:
    10 kA
    Type:
    Thermal Magnetic, Equipment Protector
    Number of Poles:
    1
    Installation/Operator:
    SchneiderElectric-SquareD_00881_INST.pdf
    Catalog:
    SchneiderElectric-SquareD_03264_1_6_CAT.pdf
    Wire Size:
    12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
    Prop 65 Warning:
    Yes
    Mounting:
    Plug-On
    MSRP $558.13
    Surplus $340.38
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    Qty in Cart: 0
    Price:
    MSRP $558.13
    Surplus $340.38
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    Square D QO120HM Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph Square D QO120HM Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph
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    Square D QO120HM Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph

    MSRP $41.66
    Surplus $38.02
    Square D QO120HM Miniature Circuit Breakers (MCBs) QO 1P 20A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-2204 Brand:  Square D MPN:  QO120HM UPC:  785901400110 Shipping Weight:  2.76 Shipping Height:  0.00...
    SKU:
    C15-2204
    Series:
    QO-HM
    Type:
    Main Lug
    Approval:
    UL
    Approval:
    CSA
    Size:
    0.75 Inch W x 2.91 Inch D x 3 Inch H
    Volts:
    120 VAC at 50/60 Hz (UL/CSA)
    Amps:
    32 A
    Used On:
    NQOD Panelboard
    Used On:
    QO Loadcenter
    Used On:
    Speed-D Switchboard Distribution Panel
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Enclosure:
    NEMA 1
    Enclosure:
    Indoor
    Terminal Type:
    Pressure Plate
    Application:
    HACR
    Application:
    Dimmer
    Application:
    Fluorescent Lighting
    Wire Size:
    14 to 8 AWG (Aluminum/Copper)
    Poles:
    1
    Short Description:
    120 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Plug-In Mount, 1-Panel Space, Pressure Plate Terminal, High Magnetic Trip
    Catalog:
    SchneiderElectric_00260_7_14_CAT.pdf
    Installation/Operator:
    Eaton_00231_INST.pdf
    Current Rating:
    20 A
    Voltage Rating:
    120 VAC at 50/60 Hz (UL/CSA)
    Data Sheet:
    SchneiderElectric-SquareD_14846_1_2_DATA.pdf
    MSRP $41.66
    Surplus $38.02
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    Qty in Cart: 0
    Price:
    MSRP $41.66
    Surplus $38.02
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    Square D QO220SWN Miniature Circuit Breakers (MCBs)
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    Square D QO220SWN Miniature Circuit Breakers (MCBs)

    Surplus $253.47
    Square D QO220SWN Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6642 Brand:  Square D MPN:  QO220SWN UPC:  78590140039 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-6642
    TS PIK:
    597383
    Data Sheet:
    SchneiderElectric-SquareD_14956_1_2_DATA.pdf
    Interrupting Rating:
    10 kA
    Short Description:
    120 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, 2-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
    Type:
    Thermal Magnetic
    Voltage Rating:
    120 VAC at 50/60 Hz (UL/CSA)
    Series:
    QO-SWN
    Terminal Type:
    Pressure Plate
    Catalog:
    SchneiderElectric_00260_7_14_CAT.pdf
    Used On:
    NQOD Panelboard, QO Loadcenter, Speed-D Switchboard Distribution Panel
    Current Rating:
    20 A
    Mounting:
    Plug-On
    Wire Size:
    14 to 8 AWG (Aluminum/Copper)
    Size:
    1.5 Inch W x 2.91 Inch D x 3 Inch H
    Surplus $253.47
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    Qty in Cart: 0
    Price:
    Surplus $253.47
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    Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA
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    Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA

    MSRP $355.30
    Surplus $253.47
    Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-10990 Brand:  Square D MPN:  QOB120AFI UPC:   Shipping Weight:  0.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-10990
    Short Description:
    120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, Arc Fault, Miniature Circuit Breaker
    Series:
    QOB-AFI
    Terminal Type:
    Pressure Plate
    Size:
    0.75 Inch W x 2.91 Inch D x 3 Inch H
    Voltage Rating:
    120 VAC at 50/60 Hz (UL/CSA)
    Current Rating:
    20 A
    Mounting:
    Bolt-On
    Data Sheet:
    SchneiderElectric-SquareD_15109_1_2_DATA.pdf
    Used On:
    NQ and NQOD Panelboard/Interior
    Wire Size:
    12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
    CAD Drawings:
    SchneiderElectric-SquareD_03066_1_CAD.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00217_INST.pdf
    Type:
    Thermal Magnetic
    Interrupting Rating:
    10 kA
    Number of Poles:
    1
    MSRP $355.30
    Surplus $253.47
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    Qty in Cart: 0
    Price:
    MSRP $355.30
    Surplus $253.47
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    THQL2140ST1 Miniature Circuit Breakers (MCBs) THQL 2P 40A 120V THQL2140ST1 Miniature Circuit Breakers (MCBs) THQL 2P 40A 120V
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    THQL2140ST1 Miniature Circuit Breakers (MCBs) THQL 2P 40A 120V

    MSRP $564.94
    Surplus $260.72
    SKU:  C15-2981 Brand:   MPN:  THQL2140ST1 UPC:  783164419085 Shipping Weight:  1.05 lbs. Shipping Height:  3.00 In. Shipping Length:  3.50 In. Shipping Width:  3.00 In...
    SKU:
    C15-2981
    Volts:
    120/240 V
    Amps:
    32 A
    Poles:
    2
    Interrupting Rating:
    10 kA
    Short Description:
    120/240 VAC, 40 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Internal Common Trip, Compact, Fixed Thermal Magnetic
    Catalog:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
    Current Rating:
    40 A
    Number of Poles:
    2
    Voltage Rating:
    120/240 V
    MSRP $564.94
    Surplus $260.72
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    Qty in Cart: 0
    Price:
    MSRP $564.94
    Surplus $260.72
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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.