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 LXD62B600 Molded Case Breakers (MCCBs)
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    Siemens LXD62B600 Molded Case Breakers (MCCBs)

    MSRP $13,318.00
    Surplus $1,905.35
    SKU:  C15-7480 Brand:  Siemens MPN:  LXD62B600 UPC:  78364321373 Shipping Weight:  16.00 lbs. Shipping Height:  9.00 In. Shipping Length:  13.00 In. Shipping Width:  12.00 In...
    SKU:
    C15-7480
    TS PIK:
    126675151
    Terminal Type:
    Lug
    Size:
    7.5 Inch Width x 5.44 Inch Depth x 11 Inch Height
    Voltage Rating:
    600 VAC, 250 VDC
    Frame Type:
    LD
    Current Rating:
    600 A
    Series:
    LXD6-A
    Number of Poles:
    2
    Short Description:
    600 VAC, 250 VDC, 600 A, 35 kA at 480 VAC, 2-Pole, LD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 25 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 40/20 kA at 380/415 VAC (IEC)
    Catalog:
    SiemensAG_00564_7_3-7_5_7_122_7_145_7_238_CAT.pdf
    Type:
    Thermal Magnetic
    Country of Origin:
    Mexico
    MSRP $13,318.00
    Surplus $1,905.35
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    Qty in Cart: 0
    Price:
    MSRP $13,318.00
    Surplus $1,905.35
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  • Siemens LXD63B450 Molded Case Breakers (MCCBs) 3P 450A Siemens LXD63B450 Molded Case Breakers (MCCBs) 3P 450A
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    Siemens LXD63B450 Molded Case Breakers (MCCBs) 3P 450A

    MSRP $15,236.00
    Surplus $4,335.88
    SKU:  C15-7622 Brand:  Siemens MPN:  LXD63B450 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-7622
    Frame Type:
    LD
    Short Description:
    600 VAC, 500 VDC, 450 A, 35 kA at 480 VAC, 3-Pole, LD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Voltage Rating:
    600 VAC, 500 VDC
    Catalog:
    SiemensAG_00564_7_3-7_5_7_122_7_145_7_238_CAT.pdf
    Maximum AC Voltage Rating:
    600 V
    Current Rating:
    450 A
    Type:
    Thermal Magnetic
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 25 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 40/20 kA at 380/415 VAC (IEC)
    Size:
    7.5 Inch Width x 5.44 Inch Depth x 11 Inch Height
    Series:
    LXD6-A
    Maximum DC Voltage Rating:
    500 V
    Terminal Type:
    Not Included
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $15,236.00
    Surplus $4,335.88
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    Qty in Cart: 0
    Price:
    MSRP $15,236.00
    Surplus $4,335.88
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  • Siemens LXD63B500 Molded Case Breakers (MCCBs) Siemens LXD63B500 Molded Case Breakers (MCCBs)
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    Siemens LXD63B500 Molded Case Breakers (MCCBs)

    MSRP $16,608.00
    Surplus $816.30
    SKU:  C15-7481 Brand:  Siemens MPN:  LXD63B500 UPC:  78364321375 Shipping Weight:  18.90 lbs. Shipping Height:  7.00 In. Shipping Length:  13.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-7481
    TS PIK:
    126672080
    Terminal Type:
    Lug
    Type:
    Thermal Magnetic
    Size:
    7.5 Inch Width x 5.44 Inch Depth x 11 Inch Height
    Short Description:
    600 VAC, 500 VDC, 500 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, LD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Series:
    LXD6-A
    Catalog:
    SiemensAG_00564_7_3-7_5_7_122_7_145_CAT.pdf
    Voltage Rating:
    600 VAC, 500 VDC
    Current Rating:
    500 A
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 35 kA at 480 VAC (UL 489), 25 kA at 600 VAC (UL 489), 30 kA at 250 VDC (UL 489), 65/33 kA at 220/240 VAC (IEC), 40/20 kA at 380/415 VAC (IEC)
    Frame Type:
    LD
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $16,608.00
    Surplus $816.30
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    Qty in Cart: 0
    Price:
    MSRP $16,608.00
    Surplus $816.30
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  • Siemens LXD63B600 Molded Case Breakers (MCCBs) LXD 3P 600A 600V 50/60Hz 3Ph LD Frame Siemens LXD63B600 Molded Case Breakers (MCCBs) LXD 3P 600A 600V 50/60Hz 3Ph LD Frame
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    Siemens LXD63B600 Molded Case Breakers (MCCBs) LXD 3P 600A 600V 50/60Hz 3Ph LD Frame

    MSRP $10,210.00
    Surplus $2,606.80
    SKU:  C15-1436 Brand:  Siemens MPN:  LXD63B600 UPC:  783643213760 Shipping Weight:  18.05 lbs. Shipping Height:  6.60 In. Shipping Length:  14.70 In. Shipping Width:  8.80 In...
    SKU:
    C15-1436
    Series:
    LXD6-A
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    7.5 Inch Width x 5.44 Inch Depth x 11 Inch Height
    Volts:
    600 VAC
    Volts:
    500 VDC
    Amps:
    600 A
    Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC (UL 489)
    Interrupting Rating:
    35 kA at 480 Volt AC (UL 489)
    Interrupting Rating:
    25 kA at 600 Volt AC (UL 489)
    Interrupting Rating:
    30 kA at 250 Volt DC (UL 489)
    Interrupting Rating:
    65/33 kA at 220/240 Volt AC (IEC)
    Interrupting Rating:
    40/20 kA at 380/415 Volt AC (IEC)
    Terminal Type:
    Lug
    Frame Type:
    LD
    Short Description:
    600 VAC, 500 VDC, 600 A at 40 Deg C, 35 kA at 480 VAC, 3-Pole, LD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip
    Catalog:
    SiemensAG_00564_7_3-7_5_7_122_7_145_7_238_CAT.pdf
    Current Rating:
    600 A
    Voltage Rating:
    600 VAC
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $10,210.00
    Surplus $2,606.80
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    Qty in Cart: 0
    Price:
    MSRP $10,210.00
    Surplus $2,606.80
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  • Siemens LXD63H600 Motor Circuit Protector (MCPs) Siemens LXD63H600 Motor Circuit Protector (MCPs)
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    Siemens LXD63H600 Motor Circuit Protector (MCPs)

    MSRP $13,151.00
    Surplus $881.01
    SKU:  C15-7482 Brand:  Siemens MPN:  LXD63H600 UPC:  78364321432 Shipping Weight:  18.70 lbs. Shipping Height:  7.00 In. Shipping Length:  15.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-7482
    TS PIK:
    120152209
    Number of Poles:
    3
    Current Rating:
    600 A
    Voltage Rating:
    600 VAC/250 VDC
    Short Description:
    600 VAC, 250 VDC, 600 A, 35 kA at 480 VAC, 3000 to 6000 A Instantaneous Trip, 3-Pole, LD Frame, Magnetic, Non-Interchangeable Trip, ETI Motor, Molded Case Circuit Breaker
    Series:
    LXD6-A
    Type:
    Magnetic
    Catalog:
    SiemensAG_00564_7_3-7_5_7_141_7_142_7_145_CAT.pdf
    Country of Origin:
    Mexico
    Maximum AC Voltage Rating (V):
    600
    Trip Setting:
    3000 to 6000 A
    MSRP $13,151.00
    Surplus $881.01
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    Qty in Cart: 0
    Price:
    MSRP $13,151.00
    Surplus $881.01
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  • Siemens MBK125A Molded Case Breakers (MCCBs) MBK 2P 125A 240V 50/60Hz 1Ph EA Siemens MBK125A Molded Case Breakers (MCCBs) MBK 2P 125A 240V 50/60Hz 1Ph EA
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    Siemens MBK125A Molded Case Breakers (MCCBs) MBK 2P 125A 240V 50/60Hz 1Ph EA

    MSRP $1,364.00
    Surplus $106.40
    Siemens MBK125A Molded Case Breakers (MCCBs) MBK 2P 125A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-5080 Brand:  Siemens MPN:  MBK125A UPC:  783643388000 Shipping Weight:  0.95 Shipping Height:  5.00...
    SKU:
    C15-5080
    Series:
    MBK
    Type:
    Main
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    240 V
    Amps:
    125 A
    Used On:
    Load Center
    Interrupting Rating:
    22 kA
    Application:
    Distribution
    Short Description:
    125 A, 22 kA, Steel, Main
    Catalog:
    SiemensAG_00562_1_22_1_25_1_45_CAT.pdf
    Data Sheet:
    SiemensAG_06451_1_DATA.pdf
    Current Rating:
    125 A
    Size:
    3 Inch Width x 4 Inch Depth x 4 Inch Height
    Installation/Operator:
    SiemensAG_00698_INST.pdf
    Country of Origin:
    Mexico
    Wire Size:
    4 to 300 AWG (Copper/Aluminum)
    Mounting:
    Plug-On
    MSRP $1,364.00
    Surplus $106.40
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    Qty in Cart: 0
    Price:
    MSRP $1,364.00
    Surplus $106.40
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  • Siemens MBK150A Loadcenters and Panelboards EA Siemens MBK150A Loadcenters and Panelboards EA
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    Siemens MBK150A Loadcenters and Panelboards EA

    MSRP $768.50
    Surplus $207.50
    Siemens MBK150A Loadcenters and Panelboards EA​ ARCA SKU:  L19-4235 Brand:  Siemens MPN:  MBK150A UPC:  78364338799 Shipping Weight:  2.25 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    L19-4235
    Data Sheet:
    SiemensAG_06454_1_DATA.pdf
    Series:
    MBK
    Short Description:
    120/240 VAC, 150 A, 22 kA, Steel, Main, Load Center Breaker Kit
    Catalog:
    SiemensAG_00562_1_22_1_25_1_45_CAT.pdf
    Current Rating:
    150 A
    Voltage Rating:
    240 VAC
    Installation/Operator:
    SiemensAG_00404_INST.pdf
    Interrupting Rating:
    22 kA
    Type:
    Main
    Used On:
    Load Center
    Country of Origin:
    MEX
    Application:
    Distribution
    Approval:
    UL 489, CSA C22.2
    MSRP $768.50
    Surplus $207.50
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    Qty in Cart: 0
    Price:
    MSRP $768.50
    Surplus $207.50
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  • Siemens MBK200M Miniature Circuit Breakers (MCBs) M2 2P 200A 120/240VAC 60Hz Siemens MBK200M Miniature Circuit Breakers (MCBs) M2 2P 200A 120/240VAC 60Hz
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    Siemens MBK200M Miniature Circuit Breakers (MCBs) M2 2P 200A 120/240VAC 60Hz

    MSRP $1,009.00
    Surplus $131.35
    SKU:  C15-1494 Brand:  Murray MPN:  MBK200M UPC:  040892009378 Shipping Weight:  2.25 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1494
    Type:
    Fusible
    Amps:
    32 A
    Used On:
    200/225 A Rock Solid Loadcenter
    Enclosure:
    NEMA 3R
    Short Description:
    120/240 VAC, 200 A, 22 kA, 2-Pole
    Catalog:
    SiemensAG_01821_22_23_CAT.pdf
    CAD Drawing:
    Eaton_41106_1_CAD.pdf
    Data Sheet:
    SiemensAG_06459_1_DATA.pdf
    Country of Origin:
    Mexico
    MSRP $1,009.00
    Surplus $131.35
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    Qty in Cart: 0
    Price:
    MSRP $1,009.00
    Surplus $131.35
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    Siemens MBKBC3 Circuit Breaker Accessories Siemens MBKBC3 Circuit Breaker Accessories
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    Siemens MBKBC3 Circuit Breaker Accessories

    MSRP $740.00
    Surplus $335.27
    SKU:  C15-11555 Brand:  Siemens MPN:  MBKBC3 UPC:  78364327820 Shipping Weight:  2.25 lbs. Shipping Height:  5.00 In. Shipping Length:  14.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-11555
    TS PIK:
    21368666
    MSRP $740.00
    Surplus $335.27
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    Qty in Cart: 0
    Price:
    MSRP $740.00
    Surplus $335.27
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    Siemens MBKFD3175 Molded Case Breakers (MCCBs)
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    Siemens MBKFD3175 Molded Case Breakers (MCCBs)

    MSRP $10,812.00
    Surplus $2,697.34
    SKU:  C15-7675 Brand:  Siemens MPN:  MBKFD3175 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-7675
    MSRP $10,812.00
    Surplus $2,697.34
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $10,812.00
    Surplus $2,697.34
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  • Siemens MBKFD3225 Molded Case Breakers (MCCBs) Siemens MBKFD3225 Molded Case Breakers (MCCBs)
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    Siemens MBKFD3225 Molded Case Breakers (MCCBs)

    MSRP $4,000.00
    Surplus $1,476.12
    SKU:  C15-11554 Brand:  Siemens MPN:  MBKFD3225 UPC:  78364309620 Shipping Weight:  12.70 lbs. Shipping Height:  10.00 In. Shipping Length:  13.00 In. Shipping Width:  8.00...
    SKU:
    C15-11554
    TS PIK:
    115585192
    MSRP $4,000.00
    Surplus $1,476.12
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,476.12
    See Availability
  • Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA
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    Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA

    MSRP $9,000.00
    Surplus $376.83
    SKU:  C15-9640 Brand:  Siemens MPN:  MBKFD3225A UPC:  887621791650 Shipping Weight:  12.95 lbs. Shipping Height:  9.00 In. Shipping Length:  15.00 In. Shipping Width:  10.00...
    SKU:
    C15-9640
    TS PIK:
    126055062
    Short Description:
    Mounting Kit for 600 V 3-Pole 225 A 65 kA FXD63B225 Panelboard Main Circuit Breaker
    Type:
    Mounting Kit
    Catalog:
    SiemensAG_00565_11_14_CAT.pdf
    Country of Origin:
    Mexico
    Used On:
    FXD6 Panelboard Circuit Breaker
    MSRP $9,000.00
    Surplus $376.83
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    Qty in Cart: 0
    Price:
    MSRP $9,000.00
    Surplus $376.83
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  • Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz
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    Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz

    MSRP $1,325.00
    Surplus $377.72
    SKU:  C15-1426 Brand:  Siemens MPN:  MBKFD3A UPC:  887621579098 Shipping Weight:  3.60 lbs. Shipping Height:  4.50 In. Shipping Length:  14.00 In. Shipping Width:  8.50 In...
    SKU:
    C15-1426
    Type:
    Mounting Kit
    Type:
    Main/Sub Feed
    Used On:
    250 A 3- Phase FD6/FXD6/HFD6/HFXD6 Circuit Breaker
    Used On:
    Revised P1 Panelboard
    Short Description:
    Mounting Kit with Filler for 250 A 3-Phase FD6/FXD6/HFD6/HFXD6 Frame Revised P1 Interior Panelboard Main/Subfeed Circuit Breaker
    Data Sheet:
    SiemensAG_06480_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00417_INST.pdf
    Catalog:
    SiemensAG_00565_11_13_CAT.pdf
    Country of Origin:
    United States
    MSRP $1,325.00
    Surplus $377.72
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    Qty in Cart: 0
    Price:
    MSRP $1,325.00
    Surplus $377.72
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    Siemens MBKJD3 Circuit Breaker Accessories
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    Siemens MBKJD3 Circuit Breaker Accessories

    MSRP $229.99
    Surplus $320.24
    SKU:  C15-11535 Brand:  Siemens MPN:  MBKJD3 UPC:  78364336948 Shipping Weight:  3.25 lbs. Shipping Height:  5.00 In. Shipping Length:  13.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-11535
    TS PIK:
    118082410
    MSRP $229.99
    Surplus $320.24
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $229.99
    Surplus $320.24
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  • Siemens MBKJD3400 Molded Case Breakers (MCCBs)
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    Siemens MBKJD3400 Molded Case Breakers (MCCBs)

    MSRP $22,242.00
    Surplus $1,258.46
    SKU:  C15-7484 Brand:  Siemens MPN:  MBKJD3400 UPC:  78364339279 Shipping Weight:  24.50 lbs. Shipping Height:  9.00 In. Shipping Length:  14.00 In. Shipping Width:  13.00 In...
    SKU:
    C15-7484
    TS PIK:
    115459160
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Number of Poles:
    3
    Type:
    Mounting Kit
    Short Description:
    Mounting Kit for 3-Pole 400 A 65/35 kA JXD6 Frame JXD63B400 P1 Panelboard Main Circuit Breaker
    Country of Origin:
    Mexico
    MSRP $22,242.00
    Surplus $1,258.46
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $22,242.00
    Surplus $1,258.46
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  • Siemens MBKQJ1150 Molded Case Breakers (MCCBs)
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    Siemens MBKQJ1150 Molded Case Breakers (MCCBs)

    MSRP $1,380.00
    Surplus $116.67
    SKU:  C15-7485 Brand:  Siemens MPN:  MBKQJ1150 UPC:  78364309603 Shipping Weight:  5.55 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7485
    TS PIK:
    120152286
    Type:
    Main
    Interrupting Rating:
    10 kA at 240 VAC
    Short Description:
    Mounting Kit for 240 V 150 A 10 kA 2-Pole QJ2/QR2 Panelboard Main Breaker
    Current Rating:
    150 A
    Number of Poles:
    2
    Series:
    MBK
    Voltage Rating:
    240/480 V
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Country of Origin:
    Mexico
    MSRP $1,380.00
    Surplus $116.67
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    Qty in Cart: 0
    Price:
    MSRP $1,380.00
    Surplus $116.67
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  • Siemens MBKQJ1150HA Circuit Breaker Accessories
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    Siemens MBKQJ1150HA Circuit Breaker Accessories

    MSRP $2,609.00
    Surplus $296.98
    SKU:  C15-7486 Brand:  Siemens MPN:  MBKQJ1150HA UPC:  88762179137 Shipping Weight:  6.50 lbs. Shipping Height:  9.00 In. Shipping Length:  15.00 In. Shipping Width:  11.00...
    SKU:
    C15-7486
    Short Description:
    RP1 BREAKER KIT 1PH 240V 42kA QJ22B150H
    Country of Origin:
    Mexico
    MSRP $2,609.00
    Surplus $296.98
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,609.00
    Surplus $296.98
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