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 KDC3125T52W Molded Case Breakers (MCCBs) KDC 3P 125A 120V 50/60Hz 3Ph K Frame Eaton KDC3125T52W Molded Case Breakers (MCCBs) KDC 3P 125A 120V 50/60Hz 3Ph K Frame

    Eaton KDC3125T52W Molded Case Breakers (MCCBs) KDC 3P 125A 120V 50/60Hz 3Ph K Frame

    MSRP $15,595.00
    Surplus $3,442.69
    SKU:  C15-1827 Brand:  Eaton MPN:  KDC3125T52W UPC:  782114404256 Shipping Weight:  11.84 lbs. Shipping Height:  6.25 In. Shipping Length:  12.25 In. Shipping Width:  6.75 In...
    SKU:
    C15-1827
    Series:
    C
    Volts:
    120 V
    Amps:
    125 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Frame:
    K
    Short Description:
    KDC OPTIM 550 LSI 125A BRK W/O TERMINALS
    Current Rating:
    125 A
    Number of Poles:
    3
    Country of Origin:
    United States
    MSRP $15,595.00
    Surplus $3,442.69
    Qty in Cart: 0
    Price:
    MSRP $15,595.00
    Surplus $3,442.69
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    Eaton KDC3250 Molded Case Breakers (MCCBs)

    Eaton KDC3250 Molded Case Breakers (MCCBs)

    MSRP $8,295.00
    Surplus $2,125.31
    SKU:  C15-11710 Brand:  Eaton MPN:  KDC3250 UPC:   Shipping Weight:  9.40 lbs. Shipping Height:  6.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-11710
    TS PIK:
    112279616
    MSRP $8,295.00
    Surplus $2,125.31
    Qty in Cart: 0
    Price:
    MSRP $8,295.00
    Surplus $2,125.31
  • Contact Us For Quote
    Eaton KDC3350 Molded Case Breakers (MCCBs) KDC 3P 350A 600V 50/60Hz 3Ph K Frame

    Eaton KDC3350 Molded Case Breakers (MCCBs) KDC 3P 350A 600V 50/60Hz 3Ph K Frame

    MSRP $12,200.00
    Surplus $4,192.16
    SKU:  C15-3177 Brand:  Eaton MPN:  KDC3350 UPC:  786679026366 Shipping Weight:  10.50 lbs. Shipping Height:  6.00 In. Shipping Length:  11.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-3177
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Amps:
    350 A
    Frame:
    KD
    Interrupting Rating:
    100 kA at 480 V AC
    Interrupting Rating:
    65 Amp at 600 Volt AC
    Interrupting Rating:
    22 Kiloamp at 250 Volt DC (NEMA/UL/CSA)
    Interrupting Rating:
    100 Volt AC at 380/415 Volt AC
    Interrupting Rating:
    22 Kiloamp at 250 Volt DC (IEC)
    Maximum AC Voltage:
    600 V
    Maximum DC Voltage:
    250 V
    Poles:
    3
    Size:
    5.5 Inch Width x 4.1 Inch Depth x 10.13 Inch Height
    Terminal Type:
    Aluminum Line and Load
    Type:
    Thermal Magnetic
    Type:
    Ultra High Interrupting Capacity
    Type:
    Molded Case
    Volts:
    600 VAC 50/60 Hertz
    Volts:
    250 VDC
    TS PIK:
    112279615
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KDC, FIXED THERMAL
    Frame Type:
    KD
    Voltage Rating:
    600 V AC 50/60 Hertz, 250 V DC
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_258_V4T2_299-V4T2_322_CAT.pdf
    Current Rating:
    350 A
    Maximum DC Voltage Rating:
    250 V
    Number of Poles:
    3
    Installation/Operator:
    Eaton_00085_INST.pdf
    Maximum AC Voltage Rating:
    600 V
    MSRP $12,200.00
    Surplus $4,192.16
    Qty in Cart: 0
    Price:
    MSRP $12,200.00
    Surplus $4,192.16
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    Eaton KDPV4175WF01 Molded Case Breakers (MCCBs) KD 4P 175A 1000V 50/60Hz 3Ph K Frame Eaton KDPV4175WF01 Molded Case Breakers (MCCBs) KD 4P 175A 1000V 50/60Hz 3Ph K Frame

    Eaton KDPV4175WF01 Molded Case Breakers (MCCBs) KD 4P 175A 1000V 50/60Hz 3Ph K Frame

    MSRP $9,900.00
    Surplus $1,833.60
    SKU:  C15-2224 Brand:  Eaton MPN:  KDPV4175WF01 UPC:  786685971018 Shipping Weight:  15.00 lbs. Shipping Height:  6.50 In. Shipping Length:  12.50 In. Shipping Width:  8.50...
    SKU:
    C15-2224
    Frame Type:
    kD
    Voltage Rating:
    1000 V
    Current Rating:
    175 A
    Number of Poles:
    4
    Short Description:
    EATON PV GUARD / SOLAR COMPLETE MOLDED CASE CIRCUIT BREAKER, K-FRAME, KD, COMPLE
    MSRP $9,900.00
    Surplus $1,833.60
    Qty in Cart: 0
    Price:
    MSRP $9,900.00
    Surplus $1,833.60
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    Eaton KDPV4225WF01 Molded Case Breakers (MCCBs) KD 4P 225A 600V 50/60Hz 3Ph K Frame

    MSRP $10,239.09
    Surplus $4,613.19
    SKU:  C15-4991 Brand:  Eaton MPN:  KDPV4225WF01 UPC:  78668597103 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-4991
    MSRP $10,239.09
    Surplus $4,613.19
    Qty in Cart: 0
    Price:
    MSRP $10,239.09
    Surplus $4,613.19
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    Eaton KDPV4300WF01 Molded Case Breakers (MCCBs) KD 4P 300A 600V 50/60Hz 3Ph K Frame

    MSRP $10,329.28
    Surplus $4,975.94
    SKU:  C15-4990 Brand:  Eaton MPN:  KDPV4300WF01 UPC:  78668597105 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-4990
    MSRP $10,329.28
    Surplus $4,975.94
    Qty in Cart: 0
    Price:
    MSRP $10,329.28
    Surplus $4,975.94
  • Contact Us For Quote
    Eaton KES3125ALSI KES 3P 125A 600V 50/60Hz 3Ph J-K Frame 1BOX Eaton KES3125ALSI KES 3P 125A 600V 50/60Hz 3Ph J-K Frame 1BOX

    Eaton KES3125ALSI KES 3P 125A 600V 50/60Hz 3Ph J-K Frame 1BOX

    MSRP $4,356.00
    Surplus $1,960.47
    SKU:  U00-1022 Brand:  Eaton MPN:  KES3125ALSI UPC:  786685894485 Shipping Weight:  2.80 lbs. Shipping Height:  5.50 In. Shipping Length:  6.80 In. Shipping Width:  4.30 In...
    SKU:
    U00-1022
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 125 A, THREE-P
    MSRP $4,356.00
    Surplus $1,960.47
    Qty in Cart: 0
    Price:
    MSRP $4,356.00
    Surplus $1,960.47
  • Eaton KES3125LSI Trip Units KES 3P 125A 600V 50/60Hz Eaton KES3125LSI Trip Units KES 3P 125A 600V 50/60Hz

    Eaton KES3125LSI Trip Units KES 3P 125A 600V 50/60Hz

    MSRP $5,412.00
    Surplus $1,558.76
    SKU:  A13-1186 Brand:  Eaton MPN:  KES3125LSI UPC:  786679271254 Shipping Weight:  2.70 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  6.00 In...
    SKU:
    A13-1186
    Poles:
    3
    Volts:
    600 V
    Amps:
    125 A
    Operating Frequency:
    50/60 Hz
    Type:
    KES
    Series:
    C Series
    Short Description:
    KES DIGI 310 T/U 3P 125A
    Country of Origin:
    United States
    MSRP $5,412.00
    Surplus $1,558.76
    Qty in Cart: 0
    Price:
    MSRP $5,412.00
    Surplus $1,558.76
  • Contact Us For Quote
    Eaton KES3125LSIG Trip Units KES 3P 400A 600V 50/60Hz Eaton KES3125LSIG Trip Units KES 3P 400A 600V 50/60Hz

    Eaton KES3125LSIG Trip Units KES 3P 400A 600V 50/60Hz

    MSRP $6,932.40
    Surplus $1,011.32
    SKU:  A13-1043 Brand:  Eaton MPN:  KES3125LSIG UPC:  786679271261 Shipping Weight:  3.05 lbs. Shipping Height:  6.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In...
    SKU:
    A13-1043
    Type:
    Electronic RMS 310 Digitrip LSIG
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Amps:
    125 A
    Poles:
    3
    Frame Type:
    K
    Adjustment:
    Independent Short Time Pickup
    Adjustment:
    Delay and Ground Fault
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_301_V4T2_303_V4T2_304_CAT.pdf
    Installation/Operator:
    Eaton_00109_INST.pdf
    Short Description:
    KES DIGI 310+ T/U W/GROUND FAULT & LSI 3P 125A
    Number of Poles:
    3
    Current Rating:
    125 A
    Country of Origin:
    United States
    MSRP $6,932.40
    Surplus $1,011.32
    Qty in Cart: 0
    Price:
    MSRP $6,932.40
    Surplus $1,011.32
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    Eaton KES3250ALSI Trip Units KES 3P 250A 600V 50/60Hz Eaton KES3250ALSI Trip Units KES 3P 250A 600V 50/60Hz

    Eaton KES3250ALSI Trip Units KES 3P 250A 600V 50/60Hz

    MSRP $5,198.00
    Surplus $1,158.22
    SKU:  A13-1223 Brand:  Eaton MPN:  KES3250ALSI UPC:  786685761312 Shipping Weight:  2.65 lbs. Shipping Height:  5.00 In. Shipping Length:  6.00 In. Shipping Width:  5.00 In...
    SKU:
    A13-1223
    Short Description:
    KES 310+ ALSI 3P 250A W/MM
    Poles:
    3
    Volts:
    600 V
    Amps:
    250 A
    Operating Frequency:
    50/60 Hz
    Type:
    KES
    Series:
    C Series
    MSRP $5,198.00
    Surplus $1,158.22
    Qty in Cart: 0
    Price:
    MSRP $5,198.00
    Surplus $1,158.22
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    Eaton KES3250LSIGB22 Trip Units KES 3P 250A 600V 50/60Hz Eaton KES3250LSIGB22 Trip Units KES 3P 250A 600V 50/60Hz

    Eaton KES3250LSIGB22 Trip Units KES 3P 250A 600V 50/60Hz

    MSRP $6,033.00
    Surplus $1,344.17
    SKU:  A13-1128 Brand:  Eaton MPN:  KES3250LSIGB22 UPC:  786685761299 Shipping Weight:  2.75 lbs. Shipping Height:  5.00 In. Shipping Length:  6.00 In. Shipping Width:  5.00...
    SKU:
    A13-1128
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, KES 310+ ELECTRONIC, 250
    Poles:
    3
    Volts:
    600 V
    Amps:
    250 A
    Operating Frequency:
    50/60 Hz
    Type:
    KES
    Series:
    C Series
    MSRP $6,033.00
    Surplus $1,344.17
    Qty in Cart: 0
    Price:
    MSRP $6,033.00
    Surplus $1,344.17
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    Eaton KES34000LSI Trip Units KES 3P 250A 600V 50/60Hz Eaton KES34000LSI Trip Units KES 3P 250A 600V 50/60Hz

    Eaton KES34000LSI Trip Units KES 3P 250A 600V 50/60Hz

    MSRP $1,200.00
    Surplus $480.00
    SKU:  A13-1291 Brand:  Eaton MPN:  KES34000LSI UPC:   Shipping Weight:  2.50 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In. Product...
    SKU:
    A13-1291
    Poles:
    3
    Volts:
    600 V
    Amps:
    250 A
    Operating Frequency:
    50/60 Hz
    Type:
    KES
    Series:
    C Series
    MSRP $1,200.00
    Surplus $480.00
    Qty in Cart: 0
    Price:
    MSRP $1,200.00
    Surplus $480.00
  • Eaton KES3400LSI Trip Units Eaton KES3400LSI Trip Units

    Eaton KES3400LSI Trip Units

    MSRP $1,816.56
    Surplus $1,941.80
    SKU:  A13-1210 Brand:  Eaton MPN:  KES3400LSI UPC:  786679271056 Shipping Weight:  3.00 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1210
    Type:
    Electronic
    Frame Type:
    J-K
    Current Rating:
    400 A
    Number of Poles:
    3
    Short Description:
    400 A, 3-Pole, Electronic Adjustable LSI, Molded Case Circuit Breaker Trip Unit
    Catalog:
    Eaton_14666_V4T2_299_V4T2_301_V4T2_303_V4T2_304_CAT.pdf
    Installation/Operator:
    Eaton_00109_INST.pdf
    Specification/Technical:
    Eaton_08649_1_2_SPEC.pdf
    TS PIK:
    107000622
    Series:
    C
    Country of Origin:
    United States
    MSRP $1,816.56
    Surplus $1,941.80
    Qty in Cart: 0
    Price:
    MSRP $1,816.56
    Surplus $1,941.80
  • Contact Us For Quote
    Eaton KG3300WS43X01 Molded Case Breakers (MCCBs) KG 3P 300A 600V 50/60Hz 3Ph K Frame Eaton KG3300WS43X01 Molded Case Breakers (MCCBs) KG 3P 300A 600V 50/60Hz 3Ph K Frame

    Eaton KG3300WS43X01 Molded Case Breakers (MCCBs) KG 3P 300A 600V 50/60Hz 3Ph K Frame

    MSRP $4,099.00
    Surplus $1,256.28
    SKU:  C15-1752 Brand:  Eaton MPN:  KG3300WS43X01 UPC:  782116980512 Shipping Weight:  11.45 lbs. Shipping Height:  7.00 In. Shipping Length:  13.00 In. Shipping Width:  7.00...
    SKU:
    C15-1752
    Series:
    kG
    Type:
    Molded Case
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    600 VAC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    18 kA at 240 VAC 50/60 Hertz
    Interrupting Rating:
    14 Kiloamp at 480 Volt AC 50/60 Hertz
    Interrupting Rating:
    10 Kiloamp at 600 Volt AC 50/60 Hertz (UL 489)
    Interrupting Rating:
    18/9 Kiloamp at 220/240 Volt AC 50/60 Hertz
    Interrupting Rating:
    14/7 Kiloamp at 380/415 Volt AC 50/60 Hertz
    Interrupting Rating:
    18/9/14/7/10/5 Kiloamp at 660/690 Volt AC 50/60 Hertz (IEC)
    Terminal Type:
    Load
    Frame Type:
    kG
    Maximum AC Voltage Rating:
    600 V
    Short Description:
    600 VAC, 300 A, 14 kA, 3-Pole, KG Frame, Thermal Magnetic
    Catalog:
    Eaton_46579_V4T2_420_V4T2_471-V4T2_473_CAT.pdf
    Installation/Operator:
    Eaton_00091_INST.pdf
    Voltage Rating:
    600 VAC
    Current Rating:
    300 A
    CAD Drawings:
    Eaton_10166_5_CAD.pdf
    Number of Poles:
    3
    MSRP $4,099.00
    Surplus $1,256.28
    Qty in Cart: 0
    Price:
    MSRP $4,099.00
    Surplus $1,256.28
  • Contact Us For Quote
    Eaton KHMVD06B Circuit Breaker Accessories Vari-Depth Mechanism K & J Frame Eaton KHMVD06B Circuit Breaker Accessories Vari-Depth Mechanism K & J Frame

    Eaton KHMVD06B Circuit Breaker Accessories Vari-Depth Mechanism K & J Frame

    MSRP $218.00
    Surplus $111.04
    Eaton KHMVD06B Circuit Breaker Accessories Vari-Depth Mechanism K & J Frame​ ARCA SKU:  C15-3804 Brand:  Eaton MPN:  KHMVD06B UPC:  782116048847 Shipping Weight:  3.00 Shipping Height:  4.50 In...
    SKU:
    C15-3804
    Frame:
    K & J
    Short Description:
    BLACK HANDLE_ 6@ SHAFT_ K-FRAME
    MSRP $218.00
    Surplus $111.04
    Qty in Cart: 0
    Price:
    MSRP $218.00
    Surplus $111.04
  • Contact Us For Quote
    Eaton KHMVD24B Circuit Breaker Accessories Vari-Depth Handle K Frame Eaton KHMVD24B Circuit Breaker Accessories Vari-Depth Handle K Frame

    Eaton KHMVD24B Circuit Breaker Accessories Vari-Depth Handle K Frame

    MSRP $315.00
    Surplus $113.73
    Eaton KHMVD24B Circuit Breaker Accessories Vari-Depth Handle K Frame​ ARCA SKU:  C15-2228 Brand:  Eaton MPN:  KHMVD24B UPC:  782116048885 Shipping Weight:  8.00 Shipping Height:  4.25 In...
    SKU:
    C15-2228
    Frame:
    K
    Short Description:
    BLK HANDLE_ 24@ SHAFT-K FRAME
    MSRP $315.00
    Surplus $113.73
    Qty in Cart: 0
    Price:
    MSRP $315.00
    Surplus $113.73
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    Eaton KHMVD24R Circuit Breaker Accessories K Frame Eaton KHMVD24R Circuit Breaker Accessories K Frame

    Eaton KHMVD24R Circuit Breaker Accessories K Frame

    MSRP $263.00
    Surplus $92.92
    Eaton KHMVD24R Circuit Breaker Accessories K Frame​ ARCA SKU:  C15-2137 Brand:  Eaton MPN:  KHMVD24R UPC:  782116048892 Shipping Weight:  5.00 Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-2137
    Frame:
    K
    Short Description:
    RED HANDLE_ 24@ SHAFT-K FRAME
    MSRP $263.00
    Surplus $92.92
    Qty in Cart: 0
    Price:
    MSRP $263.00
    Surplus $92.92
  • Contact Us For Quote
    Eaton KI3400 Molded Case Breakers (MCCBs) KI 3P 400A 600V 50/60Hz 3Ph K Frame Eaton KI3400 Molded Case Breakers (MCCBs) KI 3P 400A 600V 50/60Hz 3Ph K Frame

    Eaton KI3400 Molded Case Breakers (MCCBs) KI 3P 400A 600V 50/60Hz 3Ph K Frame

    MSRP $8,500.00
    Surplus $1,451.24
    SKU:  C15-4001 Brand:  Eaton MPN:  KI3400 UPC:  786679068946 Shipping Weight:  10.50 lbs. Shipping Height:  6.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-4001
    Frame Type:
    K
    Voltage Rating:
    600 V
    Current Rating:
    400 A
    Number of Poles:
    3
    Interrupting Rating:
    20 kA at 480 Vac
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER
    MSRP $8,500.00
    Surplus $1,451.24
    Qty in Cart: 0
    Price:
    MSRP $8,500.00
    Surplus $1,451.24
  • Contact Us For Quote
    Eaton KLHMVD06B Circuit Breaker Accessories Rotary Handle Kit LG Frame Eaton KLHMVD06B Circuit Breaker Accessories Rotary Handle Kit LG Frame

    Eaton KLHMVD06B Circuit Breaker Accessories Rotary Handle Kit LG Frame

    MSRP $249.00
    Surplus $128.47
    Eaton KLHMVD06B Circuit Breaker Accessories Rotary Handle Kit LG Frame​ ARCA SKU:  C15-2384 Brand:  Eaton MPN:  KLHMVD06B UPC:  782116199662 Shipping Weight:  0.00 Shipping Height:  0.00 In...
    SKU:
    C15-2384
    Frame:
    LG
    Short Description:
    LG VARI DEPTH 6@ - BLACK (NEMA 1/12)
    MSRP $249.00
    Surplus $128.47
    Qty in Cart: 0
    Price:
    MSRP $249.00
    Surplus $128.47
  • Contact Us For Quote
    Eaton KLHMVD12B Circuit Breaker Accessories EA

    Eaton KLHMVD12B Circuit Breaker Accessories EA

    MSRP $284.36
    Surplus $136.14
    Eaton KLHMVD12B Circuit Breaker Accessories EA​ ARCA SKU:  C15-9247 Brand:  Eaton MPN:  KLHMVD12B UPC:  00782116199679 Shipping Weight:  3.45 lbs. Shipping Height:  7.00 In. Shipping...
    SKU:
    C15-9247
    MSRP $284.36
    Surplus $136.14
    Qty in Cart: 0
    Price:
    MSRP $284.36
    Surplus $136.14

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