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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 HMCP150T4C Motor Circuit Protector (MCPs) HMCP 3P 150A 600V 50/60Hz 3Ph F Frame Eaton HMCP150T4C Motor Circuit Protector (MCPs) HMCP 3P 150A 600V 50/60Hz 3Ph F Frame
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    Eaton HMCP150T4C Motor Circuit Protector (MCPs) HMCP 3P 150A 600V 50/60Hz 3Ph F Frame

    MSRP $3,559.01
    Surplus $731.06
    SKU:  C15-1903 Brand:  Eaton MPN:  HMCP150T4C UPC:  78667915086 Shipping Weight:  4.15 lbs. Shipping Height:  6.00 In. Shipping Length:  5.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-1903
    Series:
    C, HMCP
    Type:
    Molded Case
    Type:
    Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Approval:
    CE
    Volts:
    600 VAC
    Volts:
    250 VDC
    Amps:
    32 A
    Poles:
    3
    Terminal Type:
    Non-Aluminum Line and Load Terminal
    Frame Type:
    F
    Maximum AC Voltage Rating:
    600 V
    Motor FLA:
    34.6 to 126.7 A
    Maximum DC Voltage Rating:
    250 V
    Trip Setting:
    450 to 1500 A
    Starter Size:
    NEMA 4
    Short Description:
    600 VAC, 250 VDC, 150 A, 450 to 1500 A Trip, 34.6 to 126.7 A FLA, 3-Pole, NEMA 4, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case
    Catalog:
    Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
    Voltage Rating:
    600 VAC, 250 VDC
    Number of Poles:
    3
    Current Rating:
    150 A
    Country of Origin:
    Dominican Republic
    MSRP $3,559.01
    Surplus $731.06
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    Price:
    MSRP $3,559.01
    Surplus $731.06
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    Eaton HMCP150T4 Motor Circuit Protector (MCPs) HMCP 1P 50A 600V 50/60Hz 1Ph M Frame EA Eaton HMCP150T4 Motor Circuit Protector (MCPs) HMCP 1P 50A 600V 50/60Hz 1Ph M Frame EA
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    Eaton HMCP150T4 Motor Circuit Protector (MCPs) HMCP 1P 50A 600V 50/60Hz 1Ph M Frame EA

    MSRP $3,559.01
    Surplus $1,557.05
    SKU:  C15-4985 Brand:  Eaton MPN:  HMCP150T4 UPC:  78667915077 Shipping Weight:  4.25 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-4985
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    600 V
    Type:
    Molded Case
    Maximum DC Voltage Rating:
    250 V
    Catalog:
    Eaton_27487_V4T2_394_V4T2_395_CAT.pdf
    Frame Type:
    F
    Series:
    C, HMCP
    Size:
    7.6 Inch Length x 5.1 Inch Width x 4.9 Inch Height
    Current Rating:
    150 A
    Short Description:
    600 VAC, 250 VDC, 150 A, 450 to 1500 A Trip, 34.6 to 126.7 A FLA, 3-Pole, NEMA 4, Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
    Voltage Rating:
    600 VAC, 250 VDC
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA C22.2, CE
    Motor FLA:
    34.6 to 126.7 A
    Starter Size:
    NEMA 4
    Trip Setting:
    450 to 1500 A
    MSRP $3,559.01
    Surplus $1,557.05
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    Qty in Cart: 0
    Price:
    MSRP $3,559.01
    Surplus $1,557.05
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  • Eaton FDB3150 Molded Case Breakers (MCCBs) FDB 3P 150A 600V 50/60Hz 3Ph F Frame Eaton FDB3150 Molded Case Breakers (MCCBs) FDB 3P 150A 600V 50/60Hz 3Ph F Frame
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    Eaton FDB3150 Molded Case Breakers (MCCBs) FDB 3P 150A 600V 50/60Hz 3Ph F Frame

    MSRP $3,751.74
    Surplus $842.00
    SKU:  C15-1802 Brand:  Eaton MPN:  FDB3150 UPC:  786679306079 Shipping Weight:  4.50 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-1802
    Series:
    C, FDB
    Type:
    Current Limiting
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
    Volts:
    600 VAC at 50/60 Hertz
    Volts:
    250 VDC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    18 kA at 240 VAC
    Interrupting Rating:
    14 Kiloamp at 480/600 Volt AC at 50/60 Hertz
    Interrupting Rating:
    10 Kiloamp at 250 Volt DC
    Terminal Type:
    Standard Pressure Load
    Frame Type:
    FD
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    250 V
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 150 A, 14/10 kA, 3-Pole, Standard Pressure Load Terminal, FD Frame, Thermal Magnetic, Molded Case
    Catalog:
    Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
    Data Sheet:
    Eaton_53898_1-5_DATA.pdf
    Current Rating:
    150 A
    Installation/Operator:
    Eaton_00091_INST.pdf
    Number of Poles:
    3
    Voltage Rating:
    600 VAC, 250 VDC
    Country of Origin:
    United States
    MSRP $3,751.74
    Surplus $842.00
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    Qty in Cart: 0
    Price:
    MSRP $3,751.74
    Surplus $842.00
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    Square D LA36150 Molded Case Breakers (MCCBs)
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    Square D LA36150 Molded Case Breakers (MCCBs)

    MSRP $6,730.27
    Surplus $2,521.17
    SKU:  C15-7714 Brand:  Square D MPN:  LA36150 UPC:  78590133927 Shipping Weight:  18.20 lbs. Shipping Height:  10.00 In. Shipping Length:  17.00 In. Shipping Width:  12.00 In...
    SKU:
    C15-7714
    TS PIK:
    21332004
    Short Description:
    600 VAC, 250 VDC, 150 A, 22 kA, 3-Pole, L-Frame, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
    Type:
    Thermal Magnetic
    Installation/Operator:
    SchneiderElectric-SquareD_02125_INST.pdf
    Data Sheet:
    SchneiderElectric_18768_1_2_DATA.pdf
    Number of Poles:
    3
    Current Rating:
    150 A
    Series:
    LA
    Voltage Rating:
    600 VAC, 250 VDC
    Interrupting Rating:
    22 kA at 600 VAC
    Catalog:
    SchneiderElectric-SquareD_32357_9_61_CAT.pdf
    Used On:
    I-Line Panelboard and Switchboard
    Approval:
    UL, CSA
    Application:
    Power Distribution
    Prop 65 Warning:
    Yes
    Trip Setting:
    750 to 1500 A
    MSRP $6,730.27
    Surplus $2,521.17
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    Qty in Cart: 0
    Price:
    MSRP $6,730.27
    Surplus $2,521.17
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  • Crouse-Hinds HMCP150U4C Motor Circuit Protector (MCPs)
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    Crouse-Hinds HMCP150U4C Motor Circuit Protector (MCPs)

    MSRP $3,559.01
    Surplus $1,702.99
    SKU:  C15-7305 Brand:  Crouse-Hinds MPN:  HMCP150U4C UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-7305
    TS PIK:
    21097431
    Short Description:
    600 VAC, 250 VDC, 150 A, 750 to 2500 A Trip, 57 to 130.7 A FLA, 3-Pole, NEMA 4, Non-Aluminum Line and Load Terminal, F Frame, Magnetic, Molded Case, Motor Circuit Protector
    Type:
    Molded Case, Magnetic
    Number of Poles:
    3
    Current Rating:
    150 A
    Frame Type:
    F
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    250 V
    Terminal Type:
    Non-Aluminum Line and Load Terminal
    Voltage Rating:
    600 VAC, 250 VDC
    Series:
    C, HMCP
    Catalog:
    Eaton_27487_V4T2_394_V4T2_395_V4T2_398_CAT.pdf
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA C22.2, CE
    Motor FLA:
    57 to 130.7 A
    Trip Setting:
    750 to 2500 A
    Starter Size:
    NEMA 4
    MSRP $3,559.01
    Surplus $1,702.99
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    Qty in Cart: 0
    Price:
    MSRP $3,559.01
    Surplus $1,702.99
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    Eaton HFD3150L Molded Case Breakers (MCCBs) EA
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    Eaton HFD3150L Molded Case Breakers (MCCBs) EA

    MSRP $8,512.51
    Surplus $1,849.49
    SKU:  C15-7255 Brand:  Eaton MPN:  HFD3150L UPC:  78667917521 Shipping Weight:  4.45 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7255
    TS PIK:
    21097533
    Series:
    C, HFD
    Voltage Rating:
    600 VAC, 250 VDC
    Maximum DC Voltage Rating:
    250 V
    Maximum AC Voltage Rating:
    600 V
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 150 A, 65/22 kA, 3-Pole, Line and Load Terminal, FD Frame, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
    Terminal Type:
    Standard Pressure Line and Load
    Number of Poles:
    3
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC, 25 kA at 600 VDC, 22 kA at 250 VDC
    Type:
    Molded Case, Thermal Magnetic
    Size:
    4.13 Inch Width x 3.38 Inch Depth x 6 Inch Height
    CAD Drawings:
    Eaton_21588_1_CAD.pdf
    Installation/Operator:
    Eaton_00091_INST.pdf
    Catalog:
    Eaton_27487_V4T2_254_V4T2_255_V4T2_273_V4T2_274_CAT.pdf
    Frame Type:
    FD
    Current Rating:
    150 A
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA C22.2
    MSRP $8,512.51
    Surplus $1,849.49
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    Qty in Cart: 0
    Price:
    MSRP $8,512.51
    Surplus $1,849.49
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    Siemens FXD63H150 Molded Case Breakers (MCCBs)
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    Siemens FXD63H150 Molded Case Breakers (MCCBs)

    MSRP $1,698.25
    Surplus $458.53
    SKU:  C15-16319 Brand:  Siemens MPN:  FXD63H150 UPC:  78364324062 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-16319
    Current Rating:
    150 A
    Voltage Rating:
    600 VAC, 250 VDC
    Country of Origin:
    MEX
    Type:
    Thermal Magnetic
    Number of Poles:
    3
    Frame Type:
    FD
    Maximum DC Voltage Rating:
    250 V
    Series:
    FXD6
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 150 A, 35 kA at 480 VAC, 1100 to 2500 A Instantaneous Trip, 3-Pole, FD Frame, Magnetic, Non-Interchangeable Trip, ETI Motor, Molded Case Circuit Breaker
    Size:
    4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
    Maximum AC Voltage Rating:
    600 V
    Trip Setting:
    1100 to 2500 A
    Catalog:
    SiemensAG_01698_17_78_17_82_17_108_17_111_CAT.pdf
    Terminal Type:
    Not Included
    Approval:
    UL 489, IEC
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    MSRP $1,698.25
    Surplus $458.53
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    Qty in Cart: 0
    Price:
    MSRP $1,698.25
    Surplus $458.53
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    Square D KA36150 Molded Case Breakers (MCCBs)
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    Square D KA36150 Molded Case Breakers (MCCBs)

    MSRP $3,840.23
    Surplus $5,031.36
    SKU:  C15-8632 Brand:  Square D MPN:  KA36150 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-8632
    Series:
    655/825/660, kA
    Approval:
    UL, CSA, IEC
    Installation:
    Plug-On
    Type:
    Molded Case, Thermal Magnetic, Main
    Current Rating:
    150 A
    Trip Setting:
    750 to 1500 A
    Interrupting Rating:
    42 kA at 240 VAC, 25 kA at 480 VAC, 22 kA at 600 VAC
    Catalog:
    SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
    Application:
    Construction
    Short Description:
    600 VAC, 250 VDC, 150 A, 22 kA, 3-Pole, K-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Used On:
    I-Line Panelboard and Switchboard
    Voltage Rating:
    600 VAC, 250 VDC
    Number of Poles:
    3
    MSRP $3,840.23
    Surplus $5,031.36
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    Qty in Cart: 0
    Price:
    MSRP $3,840.23
    Surplus $5,031.36
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    Square D KAL36150 Molded Case Breakers (MCCBs)
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    Square D KAL36150 Molded Case Breakers (MCCBs)

    MSRP $5,499.65
    Surplus $1,484.91
    SKU:  C15-16729 Brand:  Square D MPN:  KAL36150 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-16729
    Short Description:
    600 VAC, 250 VDC, 150 A, 22 kA, 3-Pole, K-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Voltage Rating:
    600 VAC, 250 VDC
    Number of Poles:
    3
    Interrupting Rating:
    42 kA at 240 VAC, 25 kA at 480 VAC, 22 kA at 600 VAC
    Current Rating:
    150 A
    Frame Type:
    K
    Size:
    4.5 Inch Width x 4.75 Inch Depth x 8 Inch Height
    Maximum DC Voltage Rating (V):
    250
    Series:
    kAL
    Terminal Type:
    Lug
    Maximum AC Voltage Rating (V):
    600
    Type:
    Molded Case, Thermal Magnetic, Adjustable
    Approval:
    UL, CSA
    Catalog:
    SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
    MSRP $5,499.65
    Surplus $1,484.91
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    Qty in Cart: 0
    Price:
    MSRP $5,499.65
    Surplus $1,484.91
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    Square D KC34150 Molded Case Breakers (MCCBs)
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    Square D KC34150 Molded Case Breakers (MCCBs)

    MSRP $6,942.33
    Surplus $2,656.59
    SKU:  U00-8255 Brand:  Square D MPN:  KC34150 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    U00-8255
    Used On:
    I-Line Panelboard and Switchboard
    Catalog:
    SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
    Approval:
    UL, CSA, IEC
    Type:
    Molded Case, Thermal Magnetic, Main
    Number of Poles:
    3
    Series:
    655/825/660, KC
    Short Description:
    600 VAC, 250 VDC, 150 A, 3-Pole, K-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Current Rating:
    150 A
    Application:
    Construction
    Trip Setting:
    750 to 1500 A
    Installation:
    Plug-On
    Voltage Rating:
    600 VAC, 250 VDC
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC
    MSRP $6,942.33
    Surplus $2,656.59
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    Qty in Cart: 0
    Price:
    MSRP $6,942.33
    Surplus $2,656.59
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    Square D KH36150 Molded Case Breakers (MCCBs)
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    Square D KH36150 Molded Case Breakers (MCCBs)

    MSRP $1,799.09
    Surplus $1,303.68
    SKU:  C15-8672 Brand:  Square D MPN:  KH36150 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-8672
    Used On:
    I-Line Panelboard and Switchboard
    Series:
    655/825/660, KH
    Number of Poles:
    3
    Short Description:
    600 VAC, 250 VDC, 150 A, 25 kA, 3-Pole, K-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Type:
    Molded Case, Thermal Magnetic, Main
    Trip Setting:
    750 to 1500 A
    Voltage Rating:
    600 VAC, 250 VDC
    Current Rating:
    150 A
    Approval:
    UL, CSA, IEC
    Catalog:
    SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
    Installation:
    Plug-On
    Application:
    Construction
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC
    MSRP $1,799.09
    Surplus $1,303.68
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    Qty in Cart: 0
    Price:
    MSRP $1,799.09
    Surplus $1,303.68
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  • Square D KHL36150 Molded Case Breakers (MCCBs)
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    Square D KHL36150 Molded Case Breakers (MCCBs)

    MSRP $8,167.80
    Surplus $565.87
    SKU:  C15-7087 Brand:  Square D MPN:  KHL36150 UPC:   Shipping Weight:  7.45 lbs. Shipping Height:  9.00 In. Shipping Length:  13.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    C15-7087
    Current Rating:
    150 A
    Series:
    655/825/660, KHL
    Number of Poles:
    3
    Voltage Rating:
    600 VAC, 250 VDC
    Type:
    Thermal Magnetic
    Size:
    4.5 Inch Width x 4.75 Inch Depth x 8 Inch Height
    Catalog:
    SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
    Terminal Type:
    Lug
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC, 50 kA at 125/250 VDC
    Frame Type:
    K
    Short Description:
    600 VAC, 250 VDC, 150 A, 25 kA, 3-Pole, K-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
    Approval:
    UL 489, CSA C22.2, IEC 60947-2, Federal Specification W-C-375B/GEN
    Country of Origin:
    Mexico
    MSRP $8,167.80
    Surplus $565.87
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    Qty in Cart: 0
    Price:
    MSRP $8,167.80
    Surplus $565.87
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Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.