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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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  • Eaton M3SRG1250 Circuit Breaker Accessories EA Eaton M3SRG1250 Circuit Breaker Accessories EA
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    Eaton M3SRG1250 Circuit Breaker Accessories EA

    MSRP $2,541.00
    Surplus $656.71
    SKU:  C15-5180 Brand:  Eaton MPN:  M3SRG1250 UPC:  78211475184 Shipping Weight:  8.25 lbs. Shipping Height:  7.00 In. Shipping Length:  8.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-5180
    TS PIK:
    121861093
    Short Description:
    1250 A, 3-Pole, Standard, Current Sensor and Rating Plug Kit with (3) Sensor/(1) Rating Plug for Magnum 3200 A Low Vage Power Circuit Breaker
    Catalog:
    Eaton_14664_12_CAT.pdf
    Type:
    Sensor/Rating Plug Field Change Out Kit
    Used On:
    IEC Low Vage Air Circuit Breaker
    Country of Origin:
    United States
    MSRP $2,541.00
    Surplus $656.71
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    MSRP $2,541.00
    Surplus $656.71
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    Eaton M3SRG2500 Circuit Breaker Accessories Magnum Sensor 2500A Eaton M3SRG2500 Circuit Breaker Accessories Magnum Sensor 2500A
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    Eaton M3SRG2500 Circuit Breaker Accessories Magnum Sensor 2500A

    MSRP $1,664.00
    Surplus $892.84
    SKU:  C15-2098 Brand:  Eaton MPN:  M3SRG2500 UPC:  782114751879 Shipping Weight:  9.42 lbs. Shipping Height:  7.00 In. Shipping Length:  8.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-2098
    Used On:
    Standard Magnum Frame Circuit Breaker
    Short Description:
    2500 A, 3-Pole, Standard, Current Sensor and Rating Plug Kit with (3) Sensor/(1) Rating Plug for Magnum 3200 A Low Voltage Power Circuit Breaker
    Series:
    M3SRG
    Specification/Technical:
    Eaton_49277_1_2_SPEC.pdf
    Catalog:
    Eaton_14664_12_CAT.pdf
    MSRP $1,664.00
    Surplus $892.84
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    MSRP $1,664.00
    Surplus $892.84
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  • Eaton M4CS Circuit Breaker Accessories Cassette Cell Switch Kit Mounting Shield Eaton M4CS Circuit Breaker Accessories Cassette Cell Switch Kit Mounting Shield
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    Eaton M4CS Circuit Breaker Accessories Cassette Cell Switch Kit Mounting Shield

    MSRP $529.00
    Surplus $221.85
    SKU:  C15-2552 Brand:  Eaton MPN:  M4CS UPC:  786685707396 Shipping Weight:  1.50 lbs. Shipping Height:  3.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-2552
    General Accessories:
    Mounting Shield
    Short Description:
    EATON MAGNUM CELL SWITCH KIT, MAGNUM, UNIVERSAL
    Country of Origin:
    Dominican Republic
    MSRP $529.00
    Surplus $221.85
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    Qty in Cart: 0
    Price:
    MSRP $529.00
    Surplus $221.85
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    Eaton MA1L1RPK Circuit Breaker Accessories 600V 50/60Hz J-K Frame Series C Eaton MA1L1RPK Circuit Breaker Accessories 600V 50/60Hz J-K Frame Series C
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    Eaton MA1L1RPK Circuit Breaker Accessories 600V 50/60Hz J-K Frame Series C

    MSRP $385.00
    Surplus $123.18
    Eaton MA1L1RPK Circuit Breaker Accessories 600V 50/60Hz J-K Frame Series C​ ARCA SKU:  C15-2554 Brand:  Eaton MPN:  MA1L1RPK UPC:  786679273784 Shipping Weight:  0.35 Shipping Height:  3.00 In...
    SKU:
    C15-2554
    Volts:
    600 V
    Frequency Rating:
    50/60 Hz
    Frame:
    J-K
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY ALARM SWITCH, HMCP ALARM SWITCH FACT
    MSRP $385.00
    Surplus $123.18
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    Qty in Cart: 0
    Price:
    MSRP $385.00
    Surplus $123.18
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    Eaton MBE2040PV125BTS Molded Case Breakers (MCCBs)
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    Eaton MBE2040PV125BTS Molded Case Breakers (MCCBs)

    MSRP $3,134.00
    Surplus $693.82
    SKU:  U00-9938 Brand:  Eaton MPN:  MBE2040PV125BTS UPC:  78668575376 Shipping Weight:  48.00 lbs. Shipping Height:  15.00 In. Shipping Length:  36.00 In. Shipping Width:  7...
    SKU:
    U00-9938
    TS PIK:
    125268579
    MSRP $3,134.00
    Surplus $693.82
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    Price:
    MSRP $3,134.00
    Surplus $693.82
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    Eaton MCAM Circuit Breaker Accessories Communications Module Kit Eaton MCAM Circuit Breaker Accessories Communications Module Kit
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    Eaton MCAM Circuit Breaker Accessories Communications Module Kit

    MSRP $1,790.00
    Surplus $716.80
    SKU:  C15-2400 Brand:  Eaton MPN:  MCAM UPC:  786685424125 Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In. Shipping Length:  8.50 In. Shipping Width:  5.50 In...
    SKU:
    C15-2400
    Short Description:
    EATON SERIES NRX COMMUNICATION MODULE COMM MODULE FOR MODBUS DIGITRIP NF/RF
    MSRP $1,790.00
    Surplus $716.80
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    Qty in Cart: 0
    Price:
    MSRP $1,790.00
    Surplus $716.80
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    Eaton MCBL300 Circuit Breaker Accessories Eaton MCBL300 Circuit Breaker Accessories
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    Eaton MCBL300 Circuit Breaker Accessories

    MSRP $140.00
    Surplus $61.34
    SKU:  C15-3723 Brand:  Eaton MPN:  MCBL300 UPC:  782113099316 Shipping Weight:  0.10 lbs. Shipping Height:  2.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-3723
    Conductor Material:
    Copper/Aluminum
    Amps:
    300 A
    Maximum Conductor Size:
    300 KCMIL
    Minimum Conductor Size:
    2 AWG
    Number of Conductors:
    2
    Quantity:
    1
    Used On:
    BW/BWH/CSR Series Main Breaker
    Short Description:
    300 A, 2 AWG to 300 KCMIL, 2-Conductor, Aluminum, Circuit Breaker Terminal Kit
    Series:
    CH
    Specification/Technical:
    Eaton_39867_1_SPEC.pdf
    TS PIK:
    111009832
    Catalog:
    Eaton_00001_V1T1_43_V1T1_92_CAT.pdf
    Type:
    Lug
    Country of Origin:
    Dominican Republic
    MSRP $140.00
    Surplus $61.34
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    Qty in Cart: 0
    Price:
    MSRP $140.00
    Surplus $61.34
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    Eaton MCBPL Circuit Breaker Accessories Eaton MCBPL Circuit Breaker Accessories
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    Eaton MCBPL Circuit Breaker Accessories

    MSRP $74.00
    Surplus $28.57
    Eaton MCBPL Circuit Breaker Accessories​ ARCA SKU:  C15-1702 Brand:  Eaton MPN:  MCBPL UPC:  782113099309 Shipping Weight:  0.10 Shipping Height:  0.75 In. Shipping Length:  7.00 In...
    SKU:
    C15-1702
    Locking Provision:
    ON/OFF
    Poles:
    0
    Type:
    Padlockable
    Type:
    Escutcheon Mount
    Used On:
    BW/CSR Circuit Breaker
    Specification/Technical:
    Eaton_60637_1_SPEC.pdf
    Catalog:
    Eaton-CutlerHammer_00031_V1T1_43_V1T1_91_CAT.pdf
    Short Description:
    EATON HANDLE LOCKOFF,PADLOCK TO SECURE BREAKER HANDLE,HANDLE LOCKOFF FOR MAIN BR
    MSRP $74.00
    Surplus $28.57
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    Qty in Cart: 0
    Price:
    MSRP $74.00
    Surplus $28.57
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    Eaton MCCBBUCKETHANDLESLOT-1 Circuit Breaker Accessories
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    Eaton MCCBBUCKETHANDLESLOT-1 Circuit Breaker Accessories

    MSRP $6,500.00
    Surplus $1,265.05
    SKU:  C15-4370 Brand:  Eaton MPN:  MCCBBUCKETHANDLESLOT-1 UPC:   Shipping Weight:  88.55 lbs. Shipping Height:  13.00 In. Shipping Length:  37.00 In. Shipping Width:  25.00...
    SKU:
    C15-4370
    MSRP $6,500.00
    Surplus $1,265.05
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    Qty in Cart: 0
    Price:
    MSRP $6,500.00
    Surplus $1,265.05
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    Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal
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    Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal

    MSRP $123.00
    Surplus $79.61
    Eaton MCELLREJBK Circuit Breaker Accessories Cassette Rejection Kit Universal​ ARCA SKU:  C15-2445 Brand:  Eaton MPN:  MCELLREJBK UPC:  786685351476 Shipping Weight:  0.01 Shipping Height:  0.00...
    SKU:
    C15-2445
    Frame:
    Universal
    Short Description:
    EATON MAGNUM OTHER ACCESSORIES, MAGNUM, UNIVERSAL, MCELLREJBK
    MSRP $123.00
    Surplus $79.61
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    Qty in Cart: 0
    Price:
    MSRP $123.00
    Surplus $79.61
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    Eaton MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit Eaton MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit
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    Eaton MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit

    MSRP $496.00
    Surplus $221.71
    Eaton MCOUNT Circuit Breaker Accessories Operations Counter Field Option Kit​ ARCA SKU:  C15-3018 Brand:  Eaton MPN:  MCOUNT UPC:  782114631096 Shipping Weight:  0.55 Shipping Height:  3.00 In...
    SKU:
    C15-3018
    Type:
    Mechanical Counter
    Used On:
    Model Magnum DS
    Used On:
    SB
    Used On:
    and IEC Low Voltage Power Circuit Breaker
    Short Description:
    Universal Frame, Mechanical
    Catalog:
    Eaton_24475_63_CAT.pdf
    MSRP $496.00
    Surplus $221.71
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    Qty in Cart: 0
    Price:
    MSRP $496.00
    Surplus $221.71
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    Eaton MCOVCOFF Circuit Breaker Accessories Metal Frame Kit Eaton MCOVCOFF Circuit Breaker Accessories Metal Frame Kit
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    Eaton MCOVCOFF Circuit Breaker Accessories Metal Frame Kit

    MSRP $316.00
    Surplus $285.97
    SKU:  C15-2446 Brand:  Eaton MPN:  MCOVCOFF UPC:  782116345465 Shipping Weight:  0.70 lbs. Shipping Height:  3.00 In. Shipping Length:  8.00 In. Shipping Width:  5.50 In...
    SKU:
    C15-2446
    Short Description:
    EATON MAGNUM COVER, UNIVERSAL, MAGNUM, UNIVERSAL, FOR: PUSHBUTTONS
    MSRP $316.00
    Surplus $285.97
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    Qty in Cart: 0
    Price:
    MSRP $316.00
    Surplus $285.97
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    Eaton MDL2800 Molded Case Breakers (MCCBs) MDL 2P 800A 600V 50/60Hz 2Ph M Frame Eaton MDL2800 Molded Case Breakers (MCCBs) MDL 2P 800A 600V 50/60Hz 2Ph M Frame
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    Eaton MDL2800 Molded Case Breakers (MCCBs) MDL 2P 800A 600V 50/60Hz 2Ph M Frame

    MSRP $9,625.00
    Surplus $3,359.93
    SKU:  C15-3027 Brand:  Eaton MPN:  MDL2800 UPC:  782114585849 Shipping Weight:  21.85 lbs. Shipping Height:  6.00 In. Shipping Length:  16.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-3027
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Approval:
    CE
    Amps:
    800 A
    Frame:
    MD
    Interrupting Rating:
    65 kA at 240 V AC
    Interrupting Rating:
    50 Kiloamp at 480 Volt AC
    Interrupting Rating:
    25 Kiloamp at 600 Volt AC
    Interrupting Rating:
    22 Kiloamp at 250 Volt DC (UL/CSA)
    Interrupting Rating:
    65/65 Kiloamp at 240 Volt AC
    Interrupting Rating:
    50/50 Kiloamp at 415 Volt AC
    Interrupting Rating:
    20/10 Kiloamp at 690 Volt AC
    Interrupting Rating:
    20/10 Kiloamp at 250 Volt DC (IEC)
    Maximum AC Voltage:
    600 V
    Maximum DC Voltage:
    250 V
    Poles:
    2
    Size:
    8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
    Terminal Type:
    Aluminum Standard Pressure Line and Load
    Type:
    Thermal Magnetic
    Type:
    Standard Interrupting Capacity
    Type:
    Molded Case
    Volts:
    600 VAC 50/60 Hertz
    Volts:
    250 VDC
    TS PIK:
    115841475
    Installation/Operator:
    Eaton_00237_INST.pdf
    Frame Type:
    MD
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, MDL-FRAME, MDL, COMPLETE BR
    Number of Poles:
    2
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_349-V4T2_359_CAT.pdf
    Maximum DC Voltage Rating:
    250 V
    Voltage Rating:
    600 V AC 50/60 Hertz, 250 V DC
    Current Rating:
    800 A
    Maximum AC Voltage Rating:
    600 V
    MSRP $9,625.00
    Surplus $3,359.93
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    Qty in Cart: 0
    Price:
    MSRP $9,625.00
    Surplus $3,359.93
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    Eaton MDL3400 Molded Case Breakers (MCCBs)
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    Eaton MDL3400 Molded Case Breakers (MCCBs)

    MSRP $4,236.00
    Surplus $2,840.05
    SKU:  U00-8348 Brand:  Eaton MPN:  MDL3400 UPC:  78211458595 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-8348
    Approval:
    UL
    Frame Type:
    MDL
    Interrupting Rating:
    50 kA at 480 VAC
    Current Rating:
    400 A
    Voltage Rating:
    600 VAC at 50/60 Hz
    Type:
    Molded Case, Thermal Magnetic
    Number of Poles:
    3
    Catalog:
    Eaton_27487_V4T2_254_V4T2_255_V4T2_349-V4T2_351_CAT.pdf
    Installation/Operator:
    Eaton_00237_INST.pdf
    Series:
    C
    Size:
    8.25 Inch W x 4.06 Inch D x 16 Inch H
    Short Description:
    600 VAC 50/60 Hz, 400 A, 50 kA, 3-Pole, MDL Frame, Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker
    Terminal Type:
    Aluminum/Copper Standard Pressure Line Terminal, Standard Pressure Load Terminal
    Maximum AC Voltage Rating:
    600 VAC
    MSRP $4,236.00
    Surplus $2,840.05
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    Qty in Cart: 0
    Price:
    MSRP $4,236.00
    Surplus $2,840.05
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    Eaton MDL3500 Molded Case Breakers (MCCBs)
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    Eaton MDL3500 Molded Case Breakers (MCCBs)

    MSRP $9,762.00
    Surplus $2,635.74
    SKU:  C15-16897 Brand:  Eaton MPN:  MDL3500 UPC:  78211458597 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-16897
    Number of Poles:
    3
    Voltage Rating:
    600 VAC 50/60 Hertz, 250 VDC
    Current Rating:
    500 A
    Size:
    8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
    Installation/Operator:
    Eaton_00237_INST.pdf
    Frame Type:
    MD
    Maximum AC Voltage Rating:
    600 V
    Interrupting Rating:
    65 kA at 240 VAC, 50 kA at 480 VAC, 25 kA at 600 VAC, 22 kA at 250 VDC (UL/CSA), 65/65 kA at 240 VAC, 50/50 kA at 415 VAC, 20/10 kA at 690 VAC, 20/10 kA at 250 VDC (IEC)
    Type:
    Thermal Magnetic, Standard Interrupting Capacity, Molded Case
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, MDL-FRAME, MDL, COMPLETE BR
    Approval:
    UL 489, CSA C22.2, CE
    Maximum DC Voltage Rating:
    250 V
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_349-V4T2_359_CAT.pdf
    MSRP $9,762.00
    Surplus $2,635.74
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    Qty in Cart: 0
    Price:
    MSRP $9,762.00
    Surplus $2,635.74
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    Eaton MDL3600 Molded Case Breakers (MCCBs)
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    Eaton MDL3600 Molded Case Breakers (MCCBs)

    MSRP $19,645.00
    Surplus $0.00
    SKU:  C15-19204 Brand:  Eaton MPN:  MDL3600 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-19204
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    250 V
    Frame Type:
    M
    Series:
    C, MDL
    Size:
    8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
    Interrupting Rating:
    65 kA at 240 VAC, 50 kA at 480 VAC, 25 kA at 600 VAC (UL 489/CSA), 65 kA at 240 VAC, 50 kA at 415 VAC, 20 kA at 690 VAC (IEC 947-2), 22 kA at 250 VDC (UL 489/CSA), 20 kA at 250 VDC (IEC 947-2)
    Approval:
    UL 489, CSA C22.2,CE
    Voltage Rating:
    240/480/600 VAC (UL 489/CSA), 240/480/690 VAC (IEC 947-2), 250 VDC (UL 489/CSA), 20 VDC (IEC 947-2)
    Installation/Operator:
    Eaton_00237_INST.pdf
    Catalog:
    Eaton_46579_V4T2_254_V4T2_255_V4T2_349-V4T2_359_CAT.pdf
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 600 A, 50 kA, 3-Pole, MDL Frame, Interchangeable Trip, Thermal Magnetic, Molded Case Circuit Breaker with Terminal
    Type:
    Molded Case, Thermal Magnetic
    Current Rating:
    600 A
    MSRP $19,645.00
    Surplus $0.00
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    Qty in Cart: 0
    Price:
    MSRP $19,645.00
    Surplus $0.00
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