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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  • Siemens QJH23B175 Molded Case Breakers (MCCBs)
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    Siemens QJH23B175 Molded Case Breakers (MCCBs)

    MSRP $3,242.00
    Surplus $375.43
    SKU:  E30-11710 Brand:  Siemens MPN:  QJH23B175 UPC:  78364319389 Shipping Weight:  4.50 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    E30-11710
    TS PIK:
    120632284
    Number of Poles:
    3
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_01842_7_CAT.pdf
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Series:
    QJH2
    Current Rating:
    175 A
    Size:
    4.5 Inch W x 2.53 Inch D x 7 Inch H
    Short Description:
    240 VAC, 175 A, 22 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
    Interrupting Rating:
    22 kA at 240 VAC (UL)
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    Wire Size:
    6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    MSRP $3,242.00
    Surplus $375.43
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    Qty in Cart: 0
    Price:
    MSRP $3,242.00
    Surplus $375.43
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  • Siemens QJH23B20000S01 Molded Case Breakers (MCCBs)
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    Siemens QJH23B20000S01 Molded Case Breakers (MCCBs)

    MSRP $3,538.00
    Surplus $330.28
    SKU:  C15-7504 Brand:  Siemens MPN:  QJH23B20000S01 UPC:  78364331999 Shipping Weight:  4.75 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00...
    SKU:
    C15-7504
    TS PIK:
    115459298
    Short Description:
    240 VAC, 200 A, 22 kA, 3-Pole, Load Lug Terminal, QJ Frame, 120/240 VAC Shunt Trip, Molded Case Circuit Breaker
    Number of Poles:
    3
    Size:
    4.5 Inch W x 2.53 Inch D x 7 Inch H
    Series:
    QJH2
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Current Rating:
    200 A
    Interrupting Rating:
    22 kA at 240 VAC (UL)
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Terminal Type:
    Load Lug
    Country of Origin:
    Mexico
    MSRP $3,538.00
    Surplus $330.28
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    Qty in Cart: 0
    Price:
    MSRP $3,538.00
    Surplus $330.28
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    Siemens QL1 Circuit Breaker Accessories PK

    MSRP $5.00
    Surplus $1.79
    Siemens QL1 Circuit Breaker Accessories PK​ ARCA SKU:  C15-8993 Brand:  Siemens MPN:  QL1 UPC:   Shipping Weight:  1.25 lbs. Shipping Height:  1.00 In. Shipping Length:  7.00 In...
    SKU:
    C15-8993
    Type:
    Recessed Housing
    Installation/Operator:
    THOLIGINST00143.pdf
    Catalog:
    THOLIGE06859_450.pdf
    MSRP $5.00
    Surplus $1.79
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    Qty in Cart: 0
    Price:
    MSRP $5.00
    Surplus $1.79
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  • Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC
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    Siemens QN2150 Miniature Circuit Breakers (MCBs) QN 2P 150A 120/240VAC

    MSRP $817.00
    Surplus $195.51
    SKU:  C15-1495 Brand:  Siemens MPN:  QN2150 UPC:  783643204270 Shipping Weight:  1.60 lbs. Shipping Height:  2.50 In. Shipping Length:  7.70 In. Shipping Width:  4.10 In...
    SKU:
    C15-1495
    Series:
    QN
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Approval:
    UL 489
    Size:
    1.9 Inch W x 3.5 Inch D x 6.65 Inch H
    Volts:
    120/240 VAC (UL)
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA (UL)
    Terminal Type:
    Load Lug
    Wire Size:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Short Description:
    120/240 VAC, 150 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
    Catalog:
    SiemensAG_00564_7_24_CAT.pdf
    Data Sheet:
    SiemensAG_07116_1_DATA.pdf
    Number of Poles:
    2
    Current Rating:
    150 A
    Voltage Rating:
    120/240 VAC (UL)
    Country of Origin:
    Mexico
    MSRP $817.00
    Surplus $195.51
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    Qty in Cart: 0
    Price:
    MSRP $817.00
    Surplus $195.51
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  • Siemens QN2175 Miniature Circuit Breakers (MCBs) EA
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    Siemens QN2175 Miniature Circuit Breakers (MCBs) EA

    MSRP $700.00
    Surplus $267.29
    SKU:  C15-10588 Brand:  Siemens MPN:  QN2175 UPC:  78364320428 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10588
    TS PIK:
    117091800
    Short Description:
    120/240 VAC, 175 A, 10 kA, 2-Pole, Plug-On Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible, Main Circuit Breaker for Load Center
    Series:
    QN
    Type:
    Main/Branch, Common Trip
    Terminal Type:
    Load Lug
    Number of Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA (UL)
    Voltage Rating:
    120/240 VAC (UL)
    Size:
    1.9 Inch W x 3.5 Inch D x 6.65 Inch H
    Current Rating:
    175 A
    Data Sheet:
    SiemensAG_07119_1_DATA.pdf
    Catalog:
    SiemensAG_00564_7_24_CAT.pdf
    Used On:
    Loadcenter
    Wire Size:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Country of Origin:
    Mexico
    MSRP $700.00
    Surplus $267.29
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    Qty in Cart: 0
    Price:
    MSRP $700.00
    Surplus $267.29
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    Siemens QN2175H Miniature Circuit Breakers (MCBs) EA

    MSRP $822.00
    Surplus $314.75
    SKU:  C15-10589 Brand:  Siemens MPN:  QN2175H UPC:  78364320431 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10589
    TS PIK:
    117091803
    Country of Origin:
    Mexico
    MSRP $822.00
    Surplus $314.75
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    Qty in Cart: 0
    Price:
    MSRP $822.00
    Surplus $314.75
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    Siemens QN2175R Miniature Circuit Breakers (MCBs) EA

    MSRP $667.00
    Surplus $266.28
    SKU:  C15-10590 Brand:  Siemens MPN:  QN2175R UPC:  78364320424 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10590
    TS PIK:
    117091798
    Country of Origin:
    Mexico
    MSRP $667.00
    Surplus $266.28
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    Qty in Cart: 0
    Price:
    MSRP $667.00
    Surplus $266.28
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    Siemens QN2175RH Miniature Circuit Breakers (MCBs) EA

    MSRP $822.00
    Surplus $335.02
    SKU:  C15-10591 Brand:  Siemens MPN:  QN2175RH UPC:  78364321418 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10591
    TS PIK:
    117091806
    Country of Origin:
    Mexico
    MSRP $822.00
    Surplus $335.02
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    Qty in Cart: 0
    Price:
    MSRP $822.00
    Surplus $335.02
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  • Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC
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    Siemens QN2200 Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC

    MSRP $817.00
    Surplus $195.51
    SKU:  C15-1491 Brand:  Siemens MPN:  QN2200 UPC:  78364320429 Shipping Weight:  1.60 lbs. Shipping Height:  2.50 In. Shipping Length:  7.80 In. Shipping Width:  4.10 In...
    SKU:
    C15-1491
    Series:
    QN
    Type:
    Thermal Magnetic
    Type:
    Main/Branch
    Type:
    Common Trip
    Approval:
    UL 489
    Size:
    1.9 Inch W x 3.5 Inch D x 6.65 Inch H
    Volts:
    120/240 VAC (UL)
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA (UL)
    Terminal Type:
    Load Lug
    Wire Size:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Short Description:
    120/240 VAC, 200 A, 10 kA, 2-Pole, Plug-In Mount, QN Frame, Thermal Magnetic Trip Unit, Non-Reversible
    Catalog:
    SiemensAG_00564_7_24_CAT.pdf
    Data Sheet:
    SiemensAG_01530_1_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Current Rating:
    200 A
    Country of Origin:
    Mexico
    MSRP $817.00
    Surplus $195.51
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    Qty in Cart: 0
    Price:
    MSRP $817.00
    Surplus $195.51
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  • Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle
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    Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle

    MSRP $817.00
    Surplus $200.83
    Siemens QN2200R Miniature Circuit Breakers (MCBs) QN 2P 200A 120/240VAC EA Inc Reverse Handle​ ARCA SKU:  C15-1496 Brand:  Siemens MPN:  QN2200R UPC:  783643204232 Shipping Weight:  1.55 Shipping...
    SKU:
    C15-1496
    Approval:
    UL 489
    Amps:
    200 A
    Interrupting Rating:
    10 kA (UL)
    Mounting:
    Plug-On
    Poles:
    2
    Size:
    2.6 Inch W x 3.08 Inch D x 6.45 Inch H
    Terminal Type:
    Load Lug
    Type:
    Main/Branch
    Type:
    Common Trip
    Used On:
    Loadcenter
    Volts:
    120/240 VAC (UL)
    Gauge:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Short Description:
    120/240 VAC, 200 A, 10 kA, 2-Pole, Plug-In Mount, QNR Frame, Thermal Magnetic Trip Unit, Reversible, Main Circuit Breaker for Load Center
    Series:
    QNR
    Data Sheet:
    SiemensAG_07122_1_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Catalog:
    SiemensAG_00564_7_24_CAT.pdf
    Wire Size:
    1 AWG to 300 KCMIL (Copper/Aluminum)
    Current Rating:
    200 A
    Number of Poles:
    2
    Country of Origin:
    Mexico
    MSRP $817.00
    Surplus $200.83
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    Qty in Cart: 0
    Price:
    MSRP $817.00
    Surplus $200.83
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    Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz
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    Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz

    MSRP $59.00
    Surplus $10.06
    Siemens QP120 Miniature Circuit Breakers (MCBs) QP 1P 20A 240V 50/60Hz​ ARCA SKU:  C15-1634 Brand:  Siemens MPN:  QP120 UPC:   Shipping Weight:  0.25 Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-1634
    Volts:
    240 V
    Amps:
    20 A
    Poles:
    1
    Frequency Rating:
    50/60 Hz
    Number of Poles:
    1
    Current Rating:
    20 A
    Series:
    QP
    MSRP $59.00
    Surplus $10.06
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    Qty in Cart: 0
    Price:
    MSRP $59.00
    Surplus $10.06
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    Siemens QPJ3125 Molded Case Breakers (MCCBs)
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    Siemens QPJ3125 Molded Case Breakers (MCCBs)

    MSRP $1,625.50
    Surplus $517.74
    Siemens QPJ3125 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7640 Brand:  Siemens MPN:  QPJ3125 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0...
    SKU:
    C15-7640
    MSRP $1,625.50
    Surplus $517.74
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    Qty in Cart: 0
    Price:
    MSRP $1,625.50
    Surplus $517.74
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    Siemens QR22B125 Molded Case Breakers (MCCBs) EA

    MSRP $1,046.00
    Surplus $375.00
    SKU:  C15-10593 Brand:  Siemens MPN:  QR22B125 UPC:  80476613537 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10593
    TS PIK:
    127022977
    Country of Origin:
    Mexico
    MSRP $1,046.00
    Surplus $375.00
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    Qty in Cart: 0
    Price:
    MSRP $1,046.00
    Surplus $375.00
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  • Siemens QR23B125 Molded Case Breakers (MCCBs)
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    Siemens QR23B125 Molded Case Breakers (MCCBs)

    MSRP $2,569.00
    Surplus $731.50
    SKU:  C15-8845 Brand:  Siemens MPN:  QR23B125 UPC:  80476613663 Shipping Weight:  3.95 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-8845
    TS PIK:
    113289646
    Country of Origin:
    Mexico
    MSRP $2,569.00
    Surplus $731.50
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    Qty in Cart: 0
    Price:
    MSRP $2,569.00
    Surplus $731.50
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    Siemens QR23B175 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $835.83
    SKU:  C15-10599 Brand:  Siemens MPN:  QR23B175 UPC:  80476613665 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10599
    TS PIK:
    127022993
    Country of Origin:
    Mexico
    Frame Type:
    QR
    Voltage Rating:
    240 VAC 50/60 Hertz
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Interrupting Rating:
    10 kA at 240 VAC
    Current Rating:
    175 A
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Terminal Type:
    Not Included
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Maximum AC Voltage Rating:
    240 V
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Number of Poles:
    3
    MSRP $2,000.00
    Surplus $835.83
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $835.83
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  • Siemens QR23B225 Molded Case Breakers (MCCBs) EA Siemens QR23B225 Molded Case Breakers (MCCBs) EA
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    Siemens QR23B225 Molded Case Breakers (MCCBs) EA

    MSRP $2,827.00
    Surplus $397.78
    SKU:  C15-9349 Brand:  Siemens MPN:  QR23B225 UPC:  80476613667 Shipping Weight:  4.10 lbs. Shipping Height:  4.25 In. Shipping Length:  7.75 In. Shipping Width:  5.25 In...
    SKU:
    C15-9349
    Frame Type:
    QR
    Voltage Rating:
    240 VAC 50/60 Hertz
    Current Rating:
    225 A
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    240 V
    Type:
    Molded Case, Low Vage, Thermal Magnetic
    Terminal Type:
    Not Included
    Interrupting Rating:
    10 kA at 240 VAC
    Catalog:
    SiemensAG_09175_17_1_17_10_CAT.pdf
    Size:
    4.5 Inch Width x 2.53 Inch Depth x 7 Inch Height
    Installation/Operator:
    SiemensAG_00598_INST.pdf
    Short Description:
    BREAKER QR 3P 225A 240V 10kA
    Country of Origin:
    Mexico
    MSRP $2,827.00
    Surplus $397.78
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    Qty in Cart: 0
    Price:
    MSRP $2,827.00
    Surplus $397.78
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    Siemens QRH22B100 Molded Case Breakers (MCCBs) EA

    MSRP $2,200.00
    Surplus $761.08
    SKU:  C15-10602 Brand:  Siemens MPN:  QRH22B100 UPC:  80476613620 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10602
    TS PIK:
    127183115
    Country of Origin:
    Mexico
    MSRP $2,200.00
    Surplus $761.08
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,200.00
    Surplus $761.08
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    Siemens QRH22B125 Molded Case Breakers (MCCBs) EA

    MSRP $2,496.00
    Surplus $826.20
    SKU:  C15-10603 Brand:  Siemens MPN:  QRH22B125 UPC:  80476613621 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10603
    TS PIK:
    127022981
    Country of Origin:
    Mexico
    MSRP $2,496.00
    Surplus $826.20
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,496.00
    Surplus $826.20
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    Siemens QRH22B150 Molded Case Breakers (MCCBs) EA

    MSRP $2,000.00
    Surplus $660.08
    SKU:  C15-10604 Brand:  Siemens MPN:  QRH22B150 UPC:  80476613622 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10604
    TS PIK:
    126908839
    Country of Origin:
    Mexico
    MSRP $2,000.00
    Surplus $660.08
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $660.08
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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.