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 ED43B100 Molded Case Breakers (MCCBs)
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    Siemens ED43B100 Molded Case Breakers (MCCBs)

    MSRP $2,504.00
    Surplus $574.56
    SKU:  C15-8471 Brand:  Siemens MPN:  ED43B100 UPC:  78364320948 Shipping Weight:  3.75 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-8471
    TS PIK:
    21331889
    Short Description:
    480 VAC, 100 A, 18 kA Interrupt, 3-Pole, ED4-Frame, Thermal Magnetic, Molded Case Circuit Breaker
    Number of Poles:
    3
    Frame Type:
    ED4
    Voltage Rating:
    480 VAC 50/60 Hertz
    Catalog:
    SiemensAG_00876_5_30_CAT.pdf
    Type:
    Molded Case Switch, Thermal and Fixed Magnetic Trip
    Terminal Type:
    Load Side Lug
    Interrupting Rating:
    18 kA
    Maximum AC Voltage Rating:
    480 V
    Size:
    3 Inch Width x 4 Inch Depth x 6.34 Inch Height
    Current Rating:
    100 A
    Series:
    ED4
    Country of Origin:
    Mexico
    MSRP $2,504.00
    Surplus $574.56
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    Price:
    MSRP $2,504.00
    Surplus $574.56
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    Siemens ED62B030 Molded Case Breakers (MCCBs) Siemens ED62B030 Molded Case Breakers (MCCBs)
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    Siemens ED62B030 Molded Case Breakers (MCCBs)

    MSRP $1,910.00
    Surplus $444.22
    SKU:  C15-7426 Brand:  Siemens MPN:  ED62B030 UPC:  78364320954 Shipping Weight:  2.50 lbs. Shipping Height:  3.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7426
    TS PIK:
    106247667
    Size:
    2 Inch W x 4.56 Inch D x 6.35 Inch H
    Number of Poles:
    2
    Voltage Rating:
    600 VAC at 50/60 Hz, 250 VDC
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 30 A at 40 Deg C, 18/25 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Interrupting Rating:
    65 kA at 240 VAC, 25 kA at 480 VAC, 18 kA at 600 VAC (UL), 65 kA at 220/240 VAC, 35 kA at 380/415 VAC, 18 kA at 500 VAC (IEC)
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Current Rating:
    30 A
    Series:
    ED6
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Terminal Type:
    Load Lug
    Country of Origin:
    Mexico
    MSRP $1,910.00
    Surplus $444.22
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    Price:
    MSRP $1,910.00
    Surplus $444.22
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  • Siemens LMXD63B800 Molded Case Breakers (MCCBs) Siemens LMXD63B800 Molded Case Breakers (MCCBs)
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    Siemens LMXD63B800 Molded Case Breakers (MCCBs)

    MSRP $19,850.00
    Surplus $3,021.76
    SKU:  C15-7478 Brand:  Siemens MPN:  LMXD63B800 UPC:  78364330412 Shipping Weight:  32.70 lbs. Shipping Height:  7.00 In. Shipping Length:  19.00 In. Shipping Width:  10.00...
    SKU:
    C15-7478
    TS PIK:
    126672559
    Type:
    Thermal Magnetic
    Size:
    7.5 Inch Width x 5.93 Inch Depth x 5.93 Inch Height
    Frame Type:
    MD
    Number of Poles:
    3
    Short Description:
    600 VAC, 800 A at 40 Deg C, 50 kA at 480 VAC, 3-Pole, LMD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Voltage Rating:
    600 V
    Terminal Type:
    Not Included
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 50 kA at 480 VAC (UL 489), 25 kA at 600 VAC/250 VDC (UL 489)
    Current Rating:
    800 A
    Catalog:
    SiemensAG_00564_7_3-7_5_7_126_7_145_CAT.pdf
    Series:
    LMXD6
    Country of Origin:
    Mexico
    MSRP $19,850.00
    Surplus $3,021.76
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    Qty in Cart: 0
    Price:
    MSRP $19,850.00
    Surplus $3,021.76
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  • Siemens MBKQJ3175 Molded Case Breakers (MCCBs)
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    Siemens MBKQJ3175 Molded Case Breakers (MCCBs)

    MSRP $3,087.00
    Surplus $362.08
    SKU:  E30-11705 Brand:  Siemens MPN:  MBKQJ3175 UPC:  78364310043 Shipping Weight:  7.45 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    E30-11705
    TS PIK:
    115459750
    Series:
    MBK
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Number of Poles:
    3
    Current Rating:
    175 A
    Voltage Rating:
    240/480 V
    Type:
    Main
    Short Description:
    Mounting Kit for 240 V 175 A 10 kA 3-Pole QJ2/QR2 Panelboard Main Breaker
    Interrupting Rating:
    10 kA at 240 VAC
    Country of Origin:
    Mexico
    MSRP $3,087.00
    Surplus $362.08
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    Price:
    MSRP $3,087.00
    Surplus $362.08
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    Siemens NEB3B125B Miniature Circuit Breakers (MCBs)
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    Siemens NEB3B125B Miniature Circuit Breakers (MCBs)

    MSRP $24,480.00
    Surplus $2,953.27
    SKU:  C15-7491 Brand:  Siemens MPN:  NEB3B125B UPC:  78364355864 Shipping Weight:  2.55 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-7491
    TS PIK:
    120152399
    Number of Poles:
    3
    Current Rating:
    125 A
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Interrupting Rating:
    85 kA at 240 VAC, 35 kA at 480 VAC, 22 kA at 600 Star/347 VAC, 35 kA at 125/250 VDC (UL/CSA), 85 kA at 240 VAC, 40 kA at 415 VAC, 35 kA at 125/250 VDC (IEC)
    Voltage Rating:
    240/480 VAC, 600 Star/347 VAC at 50/60 Hz, 125/250 VDC (UL/CSA), 240/415 VAC at 50/60 Hz, 125/250 VDC (IEC)
    Series:
    NEB
    Short Description:
    240/347/480/600 VAC 50/60 Hz, 125/250 VDC, 125 A, 85 kA, 3-Pole, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
    MSRP $24,480.00
    Surplus $2,953.27
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    Price:
    MSRP $24,480.00
    Surplus $2,953.27
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    Siemens NGB3B020 Molded Case Breakers (MCCBs) NGB 3P 20A 480V 50/60Hz 3Ph Siemens NGB3B020 Molded Case Breakers (MCCBs) NGB 3P 20A 480V 50/60Hz 3Ph
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    Siemens NGB3B020 Molded Case Breakers (MCCBs) NGB 3P 20A 480V 50/60Hz 3Ph

    MSRP $1,650.00
    Surplus $418.96
    SKU:  C15-3801 Brand:  Siemens MPN:  NGB3B020 UPC:  783643553408 Shipping Weight:  2.15 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-3801
    Series:
    NGB
    Type:
    Thermal Magnetic
    Type:
    Molded Case
    Approval:
    UL 489
    Volts:
    600 V
    Amps:
    32 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    3
    Interrupting Rating:
    14 kA
    Application:
    Reverse Feed
    Short Description:
    240/480/600/347 VAC 50/60 Hz, 125/250 VDC, 20 A, 100 kA, 3-Pole, Molded Case, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_01830_1-5_CAT.pdf
    MSRP $1,650.00
    Surplus $418.96
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    Qty in Cart: 0
    Price:
    MSRP $1,650.00
    Surplus $418.96
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    Siemens P2030 Miniature Circuit Breakers (MCBs)
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    Siemens P2030 Miniature Circuit Breakers (MCBs)

    MSRP $185.00
    Surplus $62.43
    Siemens P2030 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8798 Brand:  Siemens MPN:  P2030 UPC:   Shipping Weight:  0.30 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-8798
    Number of Poles:
    2
    MSRP $185.00
    Surplus $62.43
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    Qty in Cart: 0
    Price:
    MSRP $185.00
    Surplus $62.43
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  • Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)
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    Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)

    MSRP $197.50
    Surplus $42.56
    Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8783 Brand:  Siemens MPN:  Q21515CT2 UPC:  78364308391 Shipping Weight:  0.75 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8783
    TS PIK:
    21333534
    Mounting:
    Plug-On
    Short Description:
    120/240 VAC, 15 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Terminal Type:
    Load Lug
    Series:
    QT
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip
    Interrupting Rating:
    10 kA
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Current Rating:
    15 A
    Catalog:
    SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
    Data Sheet:
    SiemensAG_06996_1_DATA.pdf
    Number of Poles:
    (2) Inside, (2) Outside
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Used On:
    Loadcenter
    Country of Origin:
    Mexico
    MSRP $197.50
    Surplus $42.56
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    Price:
    MSRP $197.50
    Surplus $42.56
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    Siemens Q2200BH Miniature Circuit Breakers (MCBs)
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    Siemens Q2200BH Miniature Circuit Breakers (MCBs)

    MSRP $1,527.00
    Surplus $156.07
    SKU:  C15-7525 Brand:  Siemens MPN:  Q2200BH UPC:  78364314886 Shipping Weight:  1.75 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-7525
    TS PIK:
    115459820
    Short Description:
    120/240 VAC, 200 A, 22 kA, 2-Pole, 3/0 AWG Copper/250 MCM Aluminum, Load Lug Terminal, Plug-In Mount, QPPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Interrupting Rating:
    22 kA
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
    Number of Poles:
    2
    Catalog:
    SiemensAG_00562_1_45-1_47_CAT.pdf
    Mounting:
    Plug-On
    Wire Size:
    3/0 AWG (Copper), 250 KCMIL (Aluminum)
    Terminal Type:
    Load Lug
    Current Rating:
    200 A
    Voltage Rating:
    120/240 VAC
    Data Sheet:
    SiemensAG_07008_1_DATA.pdf
    Size:
    4 Inch W x 4.54 Inch H
    Used On:
    Loadcenter
    Country of Origin:
    Mexico
    MSRP $1,527.00
    Surplus $156.07
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    Qty in Cart: 0
    Price:
    MSRP $1,527.00
    Surplus $156.07
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  • Siemens Q320 Miniature Circuit Breakers (MCBs) 3P 20A EA
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    Siemens Q320 Miniature Circuit Breakers (MCBs) 3P 20A EA

    MSRP $329.00
    Surplus $64.33
    SKU:  C15-6194 Brand:  Siemens MPN:  Q320 UPC:  66286200430 Shipping Weight:  1.00 lbs. Shipping Height:  2.50 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-6194
    TS PIK:
    21366754
    Catalog:
    SiemensAG_00876_1_12_CAT.pdf
    Voltage Rating:
    240 V
    Short Description:
    240 VAC, 20 A, 10 kA Interrupt, 3-Pole, Load Centre Main, Feeder, Thermal Magnetic, Common Trip, Miniature Circuit Breaker
    Type:
    Thermal Magnetic, Common Trip
    Data Sheet:
    SiemensAG_01651_1_DATA.pdf
    Current Rating:
    20 A
    Size:
    3.7 Inch Width x 12.8 Inch Depth x 3.4 Inch Height
    Used On:
    Load Centre Main, Feeder
    Interrupting Rating:
    10 kA
    Number of Poles:
    3
    Mounting:
    Plug-On
    MSRP $329.00
    Surplus $64.33
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    Qty in Cart: 0
    Price:
    MSRP $329.00
    Surplus $64.33
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    Siemens QJ22B225 Molded Case Breakers (MCCBs)
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    Siemens QJ22B225 Molded Case Breakers (MCCBs)

    MSRP $801.00
    Surplus $394.69
    SKU:  C15-6200 Brand:  Siemens MPN:  QJ22B225 UPC:  78364319375 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-6200
    TS PIK:
    21367155
    MSRP $801.00
    Surplus $394.69
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    Qty in Cart: 0
    Price:
    MSRP $801.00
    Surplus $394.69
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    Siemens QJ23B150 Molded Case Breakers (MCCBs) 3P 150A 240V
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    Siemens QJ23B150 Molded Case Breakers (MCCBs) 3P 150A 240V

    MSRP $2,316.00
    Surplus $626.39
    SKU:  C15-1428 Brand:  Siemens MPN:  QJ23B150 UPC:  78364319378 Shipping Weight:  4.42 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-1428
    Series:
    QJ2
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    4.5 Inch W x 2.53 Inch D x 7 Inch H
    Volts:
    240 VAC at 50/60 Hz (UL)
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    10 kA at 240 Volt AC (UL 489)
    Terminal Type:
    P1/P2/P3/P4/P5 Panelboard
    Frame Type:
    QJ
    Maximum AC Voltage Rating (V):
    150 Ampere at 40 Deg C
    Short Description:
    240 VAC, 150 A, 10 kA, 3-Pole, Load Lug Terminal, QJ Frame
    Catalog:
    SiemensAG_01842_7_CAT.pdf
    TS PIK:
    21367158
    MSRP $2,316.00
    Surplus $626.39
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    Qty in Cart: 0
    Price:
    MSRP $2,316.00
    Surplus $626.39
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  • Siemens QJ23B150H Molded Case Breakers (MCCBs)
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    Siemens QJ23B150H Molded Case Breakers (MCCBs)

    MSRP $3,604.00
    Surplus $724.65
    SKU:  C15-7380 Brand:  Siemens MPN:  QJ23B150H UPC:  78364319398 Shipping Weight:  4.50 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7380
    TS PIK:
    106247396
    Terminal Type:
    P1/P2/P3/P4/P5 Panelboard
    Size:
    4.5 Inch W x 2.53 Inch D x 7 Inch H
    Frame Type:
    QJ
    Series:
    QJ2
    Current Rating:
    150 A
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Catalog:
    SiemensAG_01842_7_CAT.pdf
    Maximum AC Voltage Rating:
    150 A
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Interrupting Rating:
    42 kA at 240 VAC (UL)
    Number of Poles:
    3
    Short Description:
    240 VAC, 150 A, 42 kA, 3-Pole, Load Lug Terminal, QJ Frame, Molded Case Circuit Breaker
    Country of Origin:
    Mexico
    MSRP $3,604.00
    Surplus $724.65
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    Qty in Cart: 0
    Price:
    MSRP $3,604.00
    Surplus $724.65
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    Siemens STRER240A Shunt Trips EA
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    Siemens STRER240A Shunt Trips EA

    MSRP $6,163.00
    Surplus $942.94
    SKU:  A13-1327 Brand:  Siemens MPN:  STRER240A UPC:  04089293159 Shipping Weight:  0.25 lbs. Shipping Height:  3.00 In. Shipping Length:  6.00 In. Shipping Width:  3.00 In...
    SKU:
    A13-1327
    AC Voltage:
    110 to 240 V
    Used On:
    125 Ampere NEG/HEG/NEB/HEB Series Molded Case Circuit Breaker
    Short Description:
    110 to 240 VAC, Shunt Trip with Auxiliary Switch for EG Frame Circuit Breaker
    MSRP $6,163.00
    Surplus $942.94
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    Qty in Cart: 0
    Price:
    MSRP $6,163.00
    Surplus $942.94
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    Square D 81361284-002 Circuit Breaker Accessories EA Square D 81361284-002 Circuit Breaker Accessories EA
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    Square D 81361284-002 Circuit Breaker Accessories EA

    MSRP $15.00
    Surplus $4.05
    Square D 81361284-002 Circuit Breaker Accessories EA​ ARCA SKU:  C15-11195 Brand:  Square D MPN:  81361284-002 UPC:   Shipping Weight:  29.60 lbs. Shipping Height:  12.00 In. Shipping...
    SKU:
    C15-11195
    MSRP $15.00
    Surplus $4.05
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    Qty in Cart: 0
    Price:
    MSRP $15.00
    Surplus $4.05
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  • Square D AL800SN Circuit Breaker Accessories EA Square D AL800SN Circuit Breaker Accessories EA
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    Square D AL800SN Circuit Breaker Accessories EA

    MSRP $733.00
    Surplus $297.92
    SKU:  C15-6498 Brand:  Square D MPN:  AL800SN UPC:  785901239826 Shipping Weight:  5.95 lbs. Shipping Height:  7.00 In. Shipping Length:  14.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-6498
    Conductor Material:
    Aluminum/Copper
    Amps:
    1000 A
    Ground Conductor Size:
    (1) 6 AWG to 250 KCMIL (Copper)
    Main Conductor Size:
    (3) 3/0 AWG to 500 KCMIL
    Quantity:
    0
    Type:
    Insulated Groundable Neutral
    Used On:
    NEMA 1/3R Molded Case Circuit Breaker
    Short Description:
    11.75" x 3.56" x 5.85", 1000 A, (2) 6 AWG to 250 KCMIL/(6) 3/0 AWG to 500 KCMIL Aluminum/Copper, Neutral Assembly Kit for MGL/MJL/PGL/PJL/PKL/PLL Series Circuit Breaker Enclosure
    Data Sheet:
    SchneiderElectric-SquareD_12233_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_00719_INST.pdf
    Catalog:
    SchneiderElectric-SquareD_03280_7_86_7_88_CAT.pdf
    MSRP $733.00
    Surplus $297.92
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    Qty in Cart: 0
    Price:
    MSRP $733.00
    Surplus $297.92
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