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 BQD290 Miniature Circuit Breakers (MCBs) Siemens BQD290 Miniature Circuit Breakers (MCBs)
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    Siemens BQD290 Miniature Circuit Breakers (MCBs)

    MSRP $1,368.00
    Surplus $148.34
    SKU:  C15-8746 Brand:  Siemens MPN:  BQD290 UPC:  78364327732 Shipping Weight:  1.15 lbs. Shipping Height:  4.49 In. Shipping Length:  4.00 In. Shipping Width:  2.00 In...
    SKU:
    C15-8746
    TS PIK:
    21367352
    Number of Poles:
    2
    Current Rating:
    90 A
    Voltage Rating:
    480 Star/277 VAC at 50/60 Hz, 125/250 VDC (UL)
    Short Description:
    480 VAC Star/277 VAC, 90 A, 14 kA, 2-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Data Sheet:
    SiemensAG_05433_1_DATA.pdf
    Catalog:
    SiemensAG_00565_11_16_CAT.pdf
    Interrupting Rating:
    14 kA at 480 Star/277 VAC/125/250 VDC (UL)
    Series:
    BQD
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Type:
    Branch, Molded Case, Thermal and Fixed Magnetic
    Installation/Operator:
    SiemensAG_00221_INST.pdf
    Country of Origin:
    Mexico
    Installation:
    Bolt-On
    Application:
    Lighting, Distribution
    Approval:
    UL
    MSRP $1,368.00
    Surplus $148.34
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    Price:
    MSRP $1,368.00
    Surplus $148.34
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  • Siemens BQD315 Miniature Circuit Breakers (MCBs) Siemens BQD315 Miniature Circuit Breakers (MCBs)
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    Siemens BQD315 Miniature Circuit Breakers (MCBs)

    MSRP $1,202.00
    Surplus $179.00
    Siemens BQD315 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-7508 Brand:  Siemens MPN:  BQD315 UPC:  78364327734 Shipping Weight:  1.80 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-7508
    TS PIK:
    126673471
    Used On:
    P1 Panelboard
    Number of Poles:
    3
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip
    Current Rating:
    15 A
    Interrupting Rating:
    14 kA
    Short Description:
    480 VAC Star/277 VAC, 15 A, 14 kA, 3-Pole, BQD-Frame, Thermal Magnetic, Molded Case Circuit Breaker
    Voltage Rating:
    277/480 VAC 50/60 Hertz
    Series:
    BQD
    Catalog:
    SiemensAG_00876_5_18_5_20_CAT.pdf
    Data Sheet:
    SiemensAG_01617_1_DATA.pdf
    Country of Origin:
    Mexico
    Application:
    Construction
    Approval:
    UL 489, CSA-C22.2
    MSRP $1,202.00
    Surplus $179.00
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    Qty in Cart: 0
    Price:
    MSRP $1,202.00
    Surplus $179.00
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    Siemens ED23B050 Molded Case Breakers (MCCBs)
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    Siemens ED23B050 Molded Case Breakers (MCCBs)

    MSRP $1,379.00
    Surplus $327.18
    SKU:  C15-7418 Brand:  Siemens MPN:  ED23B050 UPC:  78364320903 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7418
    TS PIK:
    106248972
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Terminal Type:
    Load Lug
    Number of Poles:
    3
    Type:
    Thermal Magnetic
    Interrupting Rating:
    10 kA at 240 VAC (UL 489)
    Frame Type:
    ED
    Current Rating:
    50 A
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Voltage Rating:
    240 VAC
    Series:
    ED2
    Short Description:
    240 VAC 50/60 Hz, 50 A at 40 Deg C, 10 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $1,379.00
    Surplus $327.18
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    Price:
    MSRP $1,379.00
    Surplus $327.18
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    Siemens ED23B060 Molded Case Breakers (MCCBs) ED 3P 60A 240V 50/60Hz 3Ph ED Frame Siemens ED23B060 Molded Case Breakers (MCCBs) ED 3P 60A 240V 50/60Hz 3Ph ED Frame
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    Siemens ED23B060 Molded Case Breakers (MCCBs) ED 3P 60A 240V 50/60Hz 3Ph ED Frame

    MSRP $1,425.00
    Surplus $396.34
    SKU:  C15-3149 Brand:  Siemens MPN:  ED23B060 UPC:  783643209046 Shipping Weight:  3.45 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-3149
    Series:
    ED2
    Type:
    Molded Case
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Volts:
    240 VAC
    Amps:
    60 A
    Poles:
    3
    Interrupting Rating:
    10 kA at 240 VAC (UL 489)
    Terminal Type:
    Load Lug
    Frame Type:
    ED
    Maximum AC Voltage Rating:
    240 V
    Short Description:
    240 VAC 50/60 Hz, 60 A at 40 Deg C, 10 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    60 A
    Number of Poles:
    3
    Country of Origin:
    MEX
    MSRP $1,425.00
    Surplus $396.34
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    Qty in Cart: 0
    Price:
    MSRP $1,425.00
    Surplus $396.34
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    Siemens ED43B040 Molded Case Breakers (MCCBs)
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    Siemens ED43B040 Molded Case Breakers (MCCBs)

    MSRP $350.73
    Surplus $476.00
    SKU:  C15-8470 Brand:  Siemens MPN:  ED43B040 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-8470
    TS PIK:
    21331819
    Maximum AC Voltage Rating:
    480 V
    Terminal Type:
    Load Lug
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Short Description:
    480 VAC 50/60 Hz, 40 A, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Series:
    ED4
    Voltage Rating:
    480 VAC
    Current Rating:
    40 A
    Number of Poles:
    3
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Frame Type:
    ED
    Country of Origin:
    Mexico
    Type:
    Molded Case, Thermal Magnetic
    Interrupting Rating:
    65 kA at 240 VAC, 18 kA at 480 VAC (UL 489)
    Approval:
    UL 489, CSA
    MSRP $350.73
    Surplus $476.00
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    Qty in Cart: 0
    Price:
    MSRP $350.73
    Surplus $476.00
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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 $728.84
    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
    Approval:
    UL 489
    MSRP $2,504.00
    Surplus $728.84
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    Qty in Cart: 0
    Price:
    MSRP $2,504.00
    Surplus $728.84
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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
    Mounting:
    Plug-On
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Wire Size:
    14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
    Approval:
    UL 489, CSA C22.2
    MSRP $1,910.00
    Surplus $444.22
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    Qty in Cart: 0
    Price:
    MSRP $1,910.00
    Surplus $444.22
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    Siemens FXD63B090 Molded Case Breakers (MCCBs)
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    Siemens FXD63B090 Molded Case Breakers (MCCBs)

    MSRP $6,714.00
    Surplus $965.25
    SKU:  C15-7439 Brand:  Siemens MPN:  FXD63B090 UPC:  78364321121 Shipping Weight:  8.85 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7439
    TS PIK:
    21330796
    Country of Origin:
    Mexico
    Short Description:
    BRKR FD6 3P 600V 90A FX
    MSRP $6,714.00
    Surplus $965.25
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    Qty in Cart: 0
    Price:
    MSRP $6,714.00
    Surplus $965.25
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    Siemens HED43B060 Molded Case Breakers (MCCBs)
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    Siemens HED43B060 Molded Case Breakers (MCCBs)

    MSRP $3,546.00
    Surplus $795.34
    SKU:  C15-7531 Brand:  Siemens MPN:  HED43B060 UPC:  78364321017 Shipping Weight:  3.65 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7531
    TS PIK:
    115459890
    Frame Type:
    ED
    Number of Poles:
    3
    Terminal Type:
    Load Lug
    Type:
    Thermal Magnetic
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Current Rating:
    60 A
    Catalog:
    SiemensAG_00876_5_30_5_31_CAT.pdf
    Series:
    HED4
    Interrupting Rating:
    100 kA at 240 VAC (UL 489), 42 kA at 480 VAC (UL 489)
    Voltage Rating:
    480 VAC
    Short Description:
    480 VAC, 60 A, 100 kA Interrupt, 3-Pole, HED4-Frame, Thermal Magnetic, Molded Case Circuit Breaker
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $3,546.00
    Surplus $795.34
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    Qty in Cart: 0
    Price:
    MSRP $3,546.00
    Surplus $795.34
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    Siemens MBKFD3250A Molded Case Breakers (MCCBs) Siemens MBKFD3250A Molded Case Breakers (MCCBs)
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    Siemens MBKFD3250A Molded Case Breakers (MCCBs)

    MSRP $4,151.00
    Surplus $1,410.15
    SKU:  C15-11972 Brand:  Siemens MPN:  MBKFD3250A UPC:  887621791667 Shipping Weight:  13.05 lbs. Shipping Height:  10.00 In. Shipping Length:  15.00 In. Shipping Width:  10...
    SKU:
    C15-11972
    TS PIK:
    126055063
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 V
    Voltage Rating:
    240/480 V
    Country of Origin:
    MEX
    Short Description:
    Mounting Kit for 240/480 V 250 A 65 kA/35 kA 3-Pole Panelboard Main Breaker
    Number of Poles:
    3
    Application:
    Lighting, Distribution
    Type:
    Main
    Current Rating:
    225 A
    Catalog:
    SiemensAG_00565_11_14_CAT.pdf
    Used On:
    Type P1 Panelboard
    MSRP $4,151.00
    Surplus $1,410.15
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    Qty in Cart: 0
    Price:
    MSRP $4,151.00
    Surplus $1,410.15
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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
    Used On:
    Panelboard
    Approval:
    UL 489, CSA C22.2
    Application:
    Lighting
    MSRP $3,087.00
    Surplus $362.08
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    Qty in Cart: 0
    Price:
    MSRP $3,087.00
    Surplus $362.08
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  • Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V
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    Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V

    MSRP $130.00
    Surplus $12.98
    Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V​ ARCA SKU:  C15-3686 Brand:  Siemens MPN:  MP220 UPC:  040892518948 Shipping Weight:  0.55 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-3686
    Series:
    Type MP-T
    Type:
    Common Trip
    Approval:
    UL
    Size:
    2 Inch W x 3 Inch D x 3-1/8 Inch H
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    16 to 14 AWG (Aluminum/Copper)
    Short Description:
    120/240 V, 20 A, 10 kA, 2-Pole, MP-T Frame
    Data Sheet:
    SiemensAG_01523_1_DATA.pdf
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Country of Origin:
    Mexico
    MSRP $130.00
    Surplus $12.98
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    Qty in Cart: 0
    Price:
    MSRP $130.00
    Surplus $12.98
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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 $3,192.00
    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
    Country of Origin:
    DOM
    Application:
    Lighting, Distribution
    Approval:
    UL 489, CSA, IEC 60947-2
    MSRP $24,480.00
    Surplus $3,192.00
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    Qty in Cart: 0
    Price:
    MSRP $24,480.00
    Surplus $3,192.00
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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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