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 ED42B030 Molded Case Breakers (MCCBs) 2P 30A 480V

    Siemens ED42B030 Molded Case Breakers (MCCBs) 2P 30A 480V

    MSRP $1,626.00
    Surplus $270.08
    SKU:  C15-3271 Brand:  Siemens MPN:  ED42B030 UPC:  78364320924 Shipping Weight:  2.60 lbs. Shipping Height:  3.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-3271
    Series:
    ED4
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Volts:
    480 VAC
    Volts:
    250 VDC
    Amps:
    30 A
    Poles:
    2
    Interrupting Rating:
    65 kA at 240 VAC (UL 489)
    Interrupting Rating:
    18 kA at 480 Volt AC (UL 489)
    Interrupting Rating:
    30 kA at 250 Volt DC (UL 489)
    Terminal Type:
    Load Lug
    Frame Type:
    ED
    Short Description:
    480 VAC 50/60 Hz, 250 VDC, 30 A at 40 Deg C, 18 kA, 2-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
    TS PIK:
    21367363
    Voltage Rating:
    480 VAC, 250 VDC
    Number of Poles:
    2
    Current Rating:
    30 A
    Country of Origin:
    Mexico
    MSRP $1,626.00
    Surplus $270.08
    Qty in Cart: 0
    Price:
    MSRP $1,626.00
    Surplus $270.08
  • Siemens ED43B025 Molded Case Breakers (MCCBs)

    Siemens ED43B025 Molded Case Breakers (MCCBs)

    MSRP $2,130.00
    Surplus $521.36
    SKU:  C15-7510 Brand:  Siemens MPN:  ED43B025 UPC:  78364320938 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7510
    TS PIK:
    126673645
    Type:
    Thermal Magnetic
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 18 kA at 480 VAC (UL 489)
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Frame Type:
    ED
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Terminal Type:
    Load Lug
    Voltage Rating:
    480 VAC
    Series:
    ED4
    Short Description:
    480 VAC 50/60 Hz, 25 A at 40 Deg C, 18 kA, 3-Pole, 14 to 10 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Current Rating:
    25 A
    Country of Origin:
    Mexico
    MSRP $2,130.00
    Surplus $521.36
    Qty in Cart: 0
    Price:
    MSRP $2,130.00
    Surplus $521.36
  • Contact Us For Quote
    Siemens ED43B080L Molded Case Breakers (MCCBs)

    Siemens ED43B080L Molded Case Breakers (MCCBs)

    MSRP $2,406.00
    Surplus $366.45
    SKU:  C15-7666 Brand:  Siemens MPN:  ED43B080L UPC:  78364323621 Shipping Weight:  3.75 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7666
    TS PIK:
    123193463
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Number of Poles:
    3
    Size:
    3 Inch W x 4.56 Inch D x 6.35 Inch H
    Current Rating:
    80 A
    Voltage Rating:
    480 VAC at 50/60 Hz (UL)
    Short Description:
    480 VAC 50/60 Hz, 80 A at 40 Deg C, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Terminal Type:
    Line Lug
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Interrupting Rating:
    65 kA at 240 VAC, 18 kA at 480 VAC (UL)
    Series:
    ED4
    Country of Origin:
    Mexico
    MSRP $2,406.00
    Surplus $366.45
    Qty in Cart: 0
    Price:
    MSRP $2,406.00
    Surplus $366.45
  • Contact Us For Quote
    Siemens ED43B110L Molded Case Breakers (MCCBs)

    Siemens ED43B110L Molded Case Breakers (MCCBs)

    MSRP $4,811.00
    Surplus $485.07
    SKU:  E30-11695 Brand:  Siemens MPN:  ED43B110L UPC:  78364323624 Shipping Weight:  3.90 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    E30-11695
    TS PIK:
    115405808
    Number of Poles:
    3
    Type:
    Molded Case, Low Vage, Thermal Magnetic, Standard Rating
    Interrupting Rating:
    18 kA at 480 VAC
    Catalog:
    SiemensAG_09175_17_1_17_4_17_81-17_84_17_112_17_113_17_123_17_133_CAT.pdf
    Installation/Operator:
    SiemensAG_00593_INST.pdf
    Current Rating:
    110 A
    Voltage Rating:
    480 VAC 50/60 Hertz
    Frame Type:
    ED
    Maximum AC Voltage Rating:
    480 V
    Size:
    3 Inch Width x 3.92 Inch Depth x 6.35 Inch Height
    Terminal Type:
    Line and Load Lug
    Short Description:
    BRKR ED4 3P 480V 110A LUG
    Country of Origin:
    Mexico
    MSRP $4,811.00
    Surplus $485.07
    Qty in Cart: 0
    Price:
    MSRP $4,811.00
    Surplus $485.07
  • Siemens ED63B045 Molded Case Breakers (MCCBs)

    Siemens ED63B045 Molded Case Breakers (MCCBs)

    MSRP $2,429.00
    Surplus $622.06
    SKU:  C15-7429 Brand:  Siemens MPN:  ED63B045 UPC:  78364320972 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7429
    TS PIK:
    115676270
    Series:
    ED6
    Number of Poles:
    3
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Voltage Rating:
    600 VAC, 500 VDC
    Type:
    Thermal Magnetic
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Frame Type:
    ED
    Current Rating:
    45 A
    Short Description:
    600 VAC 50/60 Hz, 500 VDC, 45 A at 40 Deg C, 18/25 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 25 kA at 480 VAC (UL 489), 18 kA at 600 VAC/500 VDC (UL 489), 65/17 kA at 220/240 VAC (IEC), 35/9 kA at 380/415 VAC (IEC), 18/5 kA at 500 VAC (IEC)
    Country of Origin:
    Mexico
    Approval:
    UL 489, IEC
    MSRP $2,429.00
    Surplus $622.06
    Qty in Cart: 0
    Price:
    MSRP $2,429.00
    Surplus $622.06
  • Contact Us For Quote
    Siemens ED63B090L Molded Case Breakers (MCCBs)

    Siemens ED63B090L Molded Case Breakers (MCCBs)

    MSRP $3,027.00
    Surplus $394.62
    SKU:  E30-11698 Brand:  Siemens MPN:  ED63B090L UPC:  78364323637 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    E30-11698
    TS PIK:
    115405814
    Short Description:
    BRKR ED6 3P 600V 90A LUG
    Country of Origin:
    Mexico
    MSRP $3,027.00
    Surplus $394.62
    Qty in Cart: 0
    Price:
    MSRP $3,027.00
    Surplus $394.62
  • Contact Us For Quote
    Siemens EH3-B050 Molded Case Breakers (MCCBs) EH 3P 50A 480V 50/60Hz 3Ph Siemens EH3-B050 Molded Case Breakers (MCCBs) EH 3P 50A 480V 50/60Hz 3Ph

    Siemens EH3-B050 Molded Case Breakers (MCCBs) EH 3P 50A 480V 50/60Hz 3Ph

    MSRP $1,194.00
    Surplus $508.61
    SKU:  C15-4274 Brand:  Siemens MPN:  EH3-B050 3P 50A 480V UPC:   Shipping Weight:  2.00 lbs. Shipping Height:  6.00 In. Shipping Length:  4.50 In. Shipping Width:  3.75 In...
    SKU:
    C15-4274
    Frame Type:
    EH3
    Voltage Rating:
    480 V
    Current Rating:
    50 A
    Number of Poles:
    3
    Short Description:
    50 A, 480 volt, three pole, Frame: EH3, Poles: 3, Aerage: 50, Voltage: 480
    MSRP $1,194.00
    Surplus $508.61
    Qty in Cart: 0
    Price:
    MSRP $1,194.00
    Surplus $508.61
  • Contact Us For Quote
    Siemens FXD63B070 Motor Circuit Protector (MCPs)

    Siemens FXD63B070 Motor Circuit Protector (MCPs)

    MSRP $6,714.00
    Surplus $897.21
    SKU:  C15-7657 Brand:  Siemens MPN:  FXD63B070 UPC:  78364321119 Shipping Weight:  7.70 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7657
    TS PIK:
    123193459
    Catalog:
    SiemensAG_01698_17_78_17_82_17_110_17_111_CAT.pdf
    Short Description:
    600 VAC 50/60 Hz, 500 VDC, 70 A, 35 kA at 480 VAC, 3-Pole, FD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Number of Poles:
    3
    Interrupting Rating:
    22 kA at 600 VAC, 18 kA at 500 VDC
    Voltage Rating:
    600 VAC, 500 VDC
    Current Rating:
    70 A
    Series:
    FXD6-A
    Frame Type:
    FD
    Size:
    4.5 Inch Width x 4 Inch Depth x 9.5 Inch Height
    Type:
    Thermal Magnetic, Non-Interchangeable Trip
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    500 V
    Installation/Operator:
    SiemensAG_00224_INST.pdf
    MSRP $6,714.00
    Surplus $897.21
    Qty in Cart: 0
    Price:
    MSRP $6,714.00
    Surplus $897.21
  • Contact Us For Quote
    Siemens HEB1B030B Miniature Circuit Breakers (MCBs)

    Siemens HEB1B030B Miniature Circuit Breakers (MCBs)

    MSRP $3,498.00
    Surplus $237.32
    SKU:  E30-11699 Brand:  Siemens MPN:  HEB1B030B UPC:  78364355868 Shipping Weight:  0.80 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  1.00 In...
    SKU:
    E30-11699
    TS PIK:
    121608092
    Short Description:
    BRKR HEB 30A 1P 277V 65K LD LUG
    Country of Origin:
    Dominican Republic
    MSRP $3,498.00
    Surplus $237.32
    Qty in Cart: 0
    Price:
    MSRP $3,498.00
    Surplus $237.32
  • Contact Us For Quote
    Siemens HEB3B070B Miniature Circuit Breakers (MCBs)

    Siemens HEB3B070B Miniature Circuit Breakers (MCBs)

    MSRP $13,253.00
    Surplus $1,520.64
    SKU:  C15-7447 Brand:  Siemens MPN:  HEB3B070B UPC:  78364355904 Shipping Weight:  2.50 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-7447
    TS PIK:
    121608127
    Short Description:
    BRKR HEB 70A 3P 480V 65K LD LUG
    Number of Poles:
    3
    Country of Origin:
    Dominican Republic
    MSRP $13,253.00
    Surplus $1,520.64
    Qty in Cart: 0
    Price:
    MSRP $13,253.00
    Surplus $1,520.64
  • Siemens HHED63B040 Molded Case Breakers (MCCBs)

    Siemens HHED63B040 Molded Case Breakers (MCCBs)

    MSRP $3,679.00
    Surplus $606.37
    SKU:  E30-11703 Brand:  Siemens MPN:  HHED63B040 UPC:  78364330807 Shipping Weight:  4.00 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  6.00 In...
    SKU:
    E30-11703
    TS PIK:
    120632073
    Size:
    3 Inch Width x 4.56 Inch Depth x 6.53 Inch Height
    Interrupting Rating:
    100 kA at 240 VAC (UL 489), 65 kA at 480 VAC (UL 489), 18 kA at 600 VAC (UL 489)
    Terminal Type:
    Load Lug
    Type:
    Thermal Magnetic
    Current Rating:
    40 A
    Series:
    HHED6
    Voltage Rating:
    600 VAC
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Number of Poles:
    3
    Frame Type:
    ED
    Short Description:
    600 VAC, 40 A, 65 kA at 480 VAC, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Fuseless, Current Limiting, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $3,679.00
    Surplus $606.37
    Qty in Cart: 0
    Price:
    MSRP $3,679.00
    Surplus $606.37
  • Siemens HHED63B040L Molded Case Breakers (MCCBs)

    Siemens HHED63B040L Molded Case Breakers (MCCBs)

    MSRP $3,679.00
    Surplus $828.60
    SKU:  C15-7665 Brand:  Siemens MPN:  HHED63B040L UPC:  78364333106 Shipping Weight:  4.10 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7665
    TS PIK:
    115558363
    Frame Type:
    ED
    Number of Poles:
    3
    Terminal Type:
    Line and Load Lug
    Interrupting Rating:
    18 kA at 600 VAC
    Series:
    HHED6
    Maximum AC Voltage Rating:
    600 V
    Voltage Rating:
    600 VAC 50/60 Hertz
    Size:
    3 Inch Width x 3.92 Inch Depth x 6.53 Inch Height
    Short Description:
    600 V, 40 A, 3-Pole, 18/65 kA, Line and Load Side Lug, ED Frame, Molded Case, Thermal Magnetic, Low Vage, Extra High Breaking Capacity, Circuit Breaker
    Current Rating:
    40 A
    Type:
    Molded Case, Low Vage, Thermal Magnetic, Extra High Breaking Capacity
    Country of Origin:
    Mexico
    MSRP $3,679.00
    Surplus $828.60
    Qty in Cart: 0
    Price:
    MSRP $3,679.00
    Surplus $828.60
  • Contact Us For Quote
    Siemens LD63T600 Molded Case Breakers (MCCBs)

    Siemens LD63T600 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $1,037.40
    SKU:  C15-7524 Brand:  Siemens MPN:  LD63T600 UPC:  78364321414 Shipping Weight:  2.50 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7524
    TS PIK:
    115459748
    Series:
    LD63
    Frame Type:
    LD
    Type:
    Thermal Magnetic, Interchangeable
    Short Description:
    600 VAC, 500 VDC, 600 A, 22/35 kA, 3-Pole, 3/0 AWG to 500 KCMIL Copper, 4/0 AWG to 500 KCMIL Aluminum, Line/Load Lug Terminal, LD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Current Rating:
    600 A
    Catalog:
    SiemensAG_00564_7_3-7_5_7_112_7_145_CAT.pdf
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $1,037.40
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $1,037.40
  • Contact Us For Quote
    Siemens MD63T800 Molded Case Breakers (MCCBs)

    Siemens MD63T800 Molded Case Breakers (MCCBs)

    MSRP $9,417.00
    Surplus $2,061.50
    SKU:  C15-7687 Brand:  Siemens MPN:  MD63T800 UPC:  78364321484 Shipping Weight:  6.25 lbs. Shipping Height:  7.00 In. Shipping Length:  10.00 In. Shipping Width:  8.00 In...
    SKU:
    C15-7687
    TS PIK:
    21333867
    Current Rating:
    800 A
    Frame Type:
    MD
    Number of Poles:
    3
    Short Description:
    600 VAC, 500 VDC, 800 A, 25/50 kA, 3-Pole, 1/0 AWG to 500 KCMIL Copper/Aluminum, Line/Load Lug Terminal, MD Frame, Thermal Magnetic, Interchangeable Molded Case Circuit Breaker Trip Unit
    Catalog:
    SiemensAG_00564_7_3-7_5_7_129_7_130_CAT.pdf
    Type:
    Thermal Magnetic, Interchangeable
    Series:
    MD6
    Country of Origin:
    Mexico
    MSRP $9,417.00
    Surplus $2,061.50
    Qty in Cart: 0
    Price:
    MSRP $9,417.00
    Surplus $2,061.50
  • Siemens NGB2B030B Miniature Circuit Breakers (MCBs)

    Siemens NGB2B030B Miniature Circuit Breakers (MCBs)

    MSRP $1,353.00
    Surplus $182.23
    SKU:  C15-7492 Brand:  Siemens MPN:  NGB2B030B UPC:  78364341413 Shipping Weight:  1.75 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-7492
    TS PIK:
    115459214
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $1,353.00
    Surplus $182.23
    Qty in Cart: 0
    Price:
    MSRP $1,353.00
    Surplus $182.23
  • Siemens NGB3B030B Miniature Circuit Breakers (MCBs)

    Siemens NGB3B030B Miniature Circuit Breakers (MCBs)

    MSRP $1,771.00
    Surplus $376.52
    SKU:  C15-7393 Brand:  Siemens MPN:  NGB3B030B UPC:  78364341428 Shipping Weight:  2.42 lbs. Shipping Height:  5.40 In. Shipping Length:  3.00 In. Shipping Width:  2.80 In...
    SKU:
    C15-7393
    TS PIK:
    106247243
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $1,771.00
    Surplus $376.52
    Qty in Cart: 0
    Price:
    MSRP $1,771.00
    Surplus $376.52
  • Siemens P115 Miniature Circuit Breakers (MCBs) P 1P 15A 50/60Hz 1Ph EA

    Siemens P115 Miniature Circuit Breakers (MCBs) P 1P 15A 50/60Hz 1Ph EA

    MSRP $550.00
    Surplus $40.82
    Siemens P115 Miniature Circuit Breakers (MCBs) P 1P 15A 50/60Hz 1Ph EA​ ARCA SKU:  C15-8789 Brand:  Siemens MPN:  P115 UPC:  78524450008 Shipping Weight:  0.25 lbs. Shipping Height:  2.00...
    SKU:
    C15-8789
    TS PIK:
    128676614
    Short Description:
    1-1/2 STEEL RIGID CONDUIT COUPLING
    Number of Poles:
    1
    MSRP $550.00
    Surplus $40.82
    Qty in Cart: 0
    Price:
    MSRP $550.00
    Surplus $40.82
  • Siemens P240 Miniature Circuit Breakers (MCBs)

    Siemens P240 Miniature Circuit Breakers (MCBs)

    MSRP $80.00
    Surplus $70.52
    Siemens P240 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8454 Brand:  Siemens MPN:  P240 UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In. Shipping Length:  4...
    SKU:
    C15-8454
    Number of Poles:
    2
    MSRP $80.00
    Surplus $70.52
    Qty in Cart: 0
    Price:
    MSRP $80.00
    Surplus $70.52
  • Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A

    Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A

    MSRP $90.75
    Surplus $11.37
    Siemens Q170 Miniature Circuit Breakers (MCBs) 1P 70A​ ARCA SKU:  C15-6345 Brand:  Siemens MPN:  Q170 UPC:  66286200399 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6345
    TS PIK:
    115580534
    Size:
    1 Inch W x 3 Inch D x 3-1/8 Inch H
    Mounting:
    Plug-On
    Used On:
    Loadcenter
    Current Rating:
    70 A
    Interrupting Rating:
    10 kA
    Short Description:
    120/240 VAC, 70 A, 10 kA, 1-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Number of Poles:
    1
    Voltage Rating:
    120 VAC
    Wire Size:
    8 to 2/0 AWG (Copper/Aluminum)
    Data Sheet:
    SiemensAG_06980_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Type:
    Thermal and Fixed Magnetic
    MSRP $90.75
    Surplus $11.37
    Qty in Cart: 0
    Price:
    MSRP $90.75
    Surplus $11.37

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