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 LGB3B060B Molded Case Breakers (MCCBs) EA

    MSRP $3,000.00
    Surplus $883.73
    SKU:  C15-10483 Brand:  Siemens MPN:  LGB3B060B UPC:  88762122029 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10483
    TS PIK:
    125266293
    Voltage Rating:
    240 VAC, 480 VAC Star/277 VAC, 600 VAC Star/347 VAC (UL), 125/250 VDC
    Catalog:
    SiemensAG_00564_7_33_CAT.pdf
    Current Rating:
    60 A
    Number of Poles:
    3
    Short Description:
    240/480 Star/277 VAC, 125/250 VDC, 60 A, 100 kA, 3-Pole, Molded Case, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
    Type:
    Molded Case, Thermal Magnetic
    Country of Origin:
    Mexico
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 Star/277 VAC, 14 kA at 600 Star/347 VAC (UL), 14 kA at 125/250 VDC
    MSRP $3,000.00
    Surplus $883.73
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $883.73
  • Siemens LGB3B070B Molded Case Breakers (MCCBs) EA

    MSRP $3,400.00
    Surplus $973.63
    SKU:  C15-10484 Brand:  Siemens MPN:  LGB3B070B UPC:  88762122030 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10484
    TS PIK:
    125266294
    Number of Poles:
    3
    Voltage Rating:
    600 Star/347 VAC 50/60 Hertz
    Interrupting Rating:
    14 kA at 600 Star/347 VAC
    Current Rating:
    70 A
    Catalog:
    SiemensAG_01796_7_7_7_33_CAT.pdf
    Country of Origin:
    Mexico
    Type:
    Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity
    MSRP $3,400.00
    Surplus $973.63
    Qty in Cart: 0
    Price:
    MSRP $3,400.00
    Surplus $973.63
  • Siemens LGB3B100B Molded Case Breakers (MCCBs) EA

    Siemens LGB3B100B Molded Case Breakers (MCCBs) EA

    MSRP $3,400.00
    Surplus $982.41
    SKU:  C15-10486 Brand:  Siemens MPN:  LGB3B100B UPC:  88762122033 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10486
    TS PIK:
    125266297
    Interrupting Rating:
    65 kA
    Terminal Type:
    Load Lug
    Type:
    Thermal Magnetic
    Size:
    3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
    Catalog:
    SiemensAG_00564_7_33_CAT.pdf
    Number of Poles:
    3
    Series:
    LGB
    Short Description:
    600 VAC Star/347 VAC, 100 A, 65 kA at 480 VAC Star/277 VAC, 3-Pole, 8 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, LGB Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Current Rating:
    100 A
    Voltage Rating:
    480 V
    Country of Origin:
    Mexico
    MSRP $3,400.00
    Surplus $982.41
    Qty in Cart: 0
    Price:
    MSRP $3,400.00
    Surplus $982.41
  • Siemens LGB3B125B Molded Case Breakers (MCCBs) 3P 125A

    Siemens LGB3B125B Molded Case Breakers (MCCBs) 3P 125A

    MSRP $4,695.00
    Surplus $572.42
    SKU:  C15-7703 Brand:  Siemens MPN:  LGB3B125B UPC:  88762122035 Shipping Weight:  2.58 lbs. Shipping Height:  5.40 In. Shipping Length:  3.00 In. Shipping Width:  2.80 In...
    SKU:
    C15-7703
    TS PIK:
    21331323
    Series:
    LGB
    Voltage Rating:
    480 V
    Catalog:
    SiemensAG_00564_7_33_CAT.pdf
    Number of Poles:
    3
    Terminal Type:
    Load Lug
    Current Rating:
    125 A
    Size:
    3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
    Short Description:
    600 VAC Star/347 VAC, 125 A, 65 kA at 480 VAC Star/277 VAC, 3-Pole, 8 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, LGB Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC Star/347 VAC, 14 kA at 600 VAC Star/347 VAC (UL)
    Country of Origin:
    Mexico
    MSRP $4,695.00
    Surplus $572.42
    Qty in Cart: 0
    Price:
    MSRP $4,695.00
    Surplus $572.42
  • Siemens LGG3B020L Molded Case Breakers (MCCBs) EA

    MSRP $3,000.00
    Surplus $843.83
    SKU:  C15-10487 Brand:  Siemens MPN:  LGG3B020L UPC:  88762127916 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10487
    TS PIK:
    125266376
    Country of Origin:
    Mexico
    MSRP $3,000.00
    Surplus $843.83
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $843.83
  • Siemens LGG3B030L Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,063.83
    SKU:  C15-10488 Brand:  Siemens MPN:  LGG3B030L UPC:  88762127918 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10488
    TS PIK:
    125266378
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,063.83
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,063.83
  • Siemens LGG3B040L Molded Case Breakers (MCCBs) EA

    Siemens LGG3B040L Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,069.53
    SKU:  C15-10489 Brand:  Siemens MPN:  LGG3B040L UPC:  88762127920 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10489
    TS PIK:
    125266380
    Series:
    LGG
    Short Description:
    600 VAC Star/347 VAC, 40 A, 65 kA at 480 VAC, 3-Pole, 8 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, LGG Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Number of Poles:
    3
    Current Rating:
    40 A
    Voltage Rating:
    480 V
    Interrupting Rating:
    65 kA at 240 VAC, 65 kA at 480 VAC, 14 kA at 600 VAC Star/347 VAC, 14 kA at 125/250 VAC
    Country of Origin:
    Mexico
    Size:
    3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
    Catalog:
    SiemensAG_00564_7_43_CAT.pdf
    Terminal Type:
    Line and Load Lug
    MSRP $4,000.00
    Surplus $1,069.53
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,069.53
  • Siemens LGG3B060L Molded Case Breakers (MCCBs) EA

    MSRP $3,000.00
    Surplus $843.83
    SKU:  C15-10490 Brand:  Siemens MPN:  LGG3B060L UPC:  88762127923 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10490
    TS PIK:
    125266383
    Country of Origin:
    Mexico
    Number of Poles:
    3
    Current Rating:
    60 A
    Catalog:
    SiemensAG_01796_7_9_7_43_7_156_CAT.pdf
    Type:
    Low Vage, Thermal Magnetic, High Breaking Capacity
    Installation/Operator:
    SiemensAG_00699_INST.pdf
    Terminal Type:
    Line and Load Lug
    Interrupting Rating:
    14 kA at 600 Star/347 VAC
    Voltage Rating:
    600 Star/347 VAC 50/60 Hertz
    Size:
    3 Inch Width x 2.9 Inch Depth x 5.4 Inch Height
    MSRP $3,000.00
    Surplus $843.83
    Qty in Cart: 0
    Price:
    MSRP $3,000.00
    Surplus $843.83
  • Siemens LGG3B070L Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,096.60
    SKU:  C15-10491 Brand:  Siemens MPN:  LGG3B070L UPC:  88762127924 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10491
    TS PIK:
    125266384
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,096.60
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,096.60
  • Siemens LGG3B090L Molded Case Breakers (MCCBs) EA

    MSRP $4,000.00
    Surplus $1,096.60
    SKU:  C15-10492 Brand:  Siemens MPN:  LGG3B090L UPC:  88762127926 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10492
    TS PIK:
    125266386
    Country of Origin:
    Mexico
    MSRP $4,000.00
    Surplus $1,096.60
    Qty in Cart: 0
    Price:
    MSRP $4,000.00
    Surplus $1,096.60
  • Siemens LGG3B125L Molded Case Breakers (MCCBs) EA

    MSRP $5,000.00
    Surplus $1,508.26
    SKU:  C15-10493 Brand:  Siemens MPN:  LGG3B125L UPC:  88762127929 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10493
    TS PIK:
    125266389
    Country of Origin:
    Mexico
    MSRP $5,000.00
    Surplus $1,508.26
    Qty in Cart: 0
    Price:
    MSRP $5,000.00
    Surplus $1,508.26
  • Contact Us For Quote
    Siemens LMD63T800 Molded Case Breakers (MCCBs)

    Siemens LMD63T800 Molded Case Breakers (MCCBs)

    MSRP $8,968.00
    Surplus $3,676.11
    Siemens LMD63T800 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7705 Brand:  Siemens MPN:  LMD63T800 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-7705
    MSRP $8,968.00
    Surplus $3,676.11
    Qty in Cart: 0
    Price:
    MSRP $8,968.00
    Surplus $3,676.11
  • Siemens LMXD63S800A Molded Case Breakers (MCCBs)

    Siemens LMXD63S800A Molded Case Breakers (MCCBs)

    MSRP $14,340.00
    Surplus $1,784.28
    SKU:  C15-7479 Brand:  Siemens MPN:  LMXD63S800A UPC:  78364330261 Shipping Weight:  33.20 lbs. Shipping Height:  7.00 In. Shipping Length:  19.00 In. Shipping Width:  10.00...
    SKU:
    C15-7479
    TS PIK:
    126672557
    Interrupting Rating:
    25 kA at 600 VAC/500 VDC
    Number of Poles:
    3
    Maximum AC Voltage Rating:
    600 V
    Voltage Rating:
    600 VAC 50/60 Hertz, 500 VDC
    Size:
    7.5 Inch Width x 4.5 Inch Depth x 16 Inch Height
    Catalog:
    SiemensAG_09175_17_97_17_117_CAT.pdf
    Terminal Type:
    Not Included
    Frame Type:
    LMD
    Type:
    Molded Case, Low Vage, Magnetic Trip, Standard Breaking Capacity
    Installation/Operator:
    SiemensAG_00597_INST.pdf
    Current Rating:
    800 A
    Maximum DC Voltage Rating:
    500 V
    Country of Origin:
    Mexico
    Approval:
    UL
    MSRP $14,340.00
    Surplus $1,784.28
    Qty in Cart: 0
    Price:
    MSRP $14,340.00
    Surplus $1,784.28
  • Contact Us For Quote
    Siemens LXD62B600 Molded Case Breakers (MCCBs)

    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
    Qty in Cart: 0
    Price:
    MSRP $13,318.00
    Surplus $1,905.35
  • Siemens LXD63B450 Molded Case Breakers (MCCBs) 3P 450A Siemens LXD63B450 Molded Case Breakers (MCCBs) 3P 450A

    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
    Qty in Cart: 0
    Price:
    MSRP $15,236.00
    Surplus $4,335.88
  • Siemens LXD63B500 Molded Case Breakers (MCCBs) Siemens LXD63B500 Molded Case Breakers (MCCBs)

    Siemens LXD63B500 Molded Case Breakers (MCCBs)

    MSRP $16,608.00
    Surplus $1,593.74
    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 $1,593.74
    Qty in Cart: 0
    Price:
    MSRP $16,608.00
    Surplus $1,593.74
  • 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

    Siemens LXD63B600 Molded Case Breakers (MCCBs) LXD 3P 600A 600V 50/60Hz 3Ph LD Frame

    MSRP $10,210.00
    Surplus $1,967.07
    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 $1,967.07
    Qty in Cart: 0
    Price:
    MSRP $10,210.00
    Surplus $1,967.07
  • Siemens LXD63H600 Motor Circuit Protector (MCPs) Siemens LXD63H600 Motor Circuit Protector (MCPs)

    Siemens LXD63H600 Motor Circuit Protector (MCPs)

    MSRP $13,151.00
    Surplus $2,492.72
    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 $2,492.72
    Qty in Cart: 0
    Price:
    MSRP $13,151.00
    Surplus $2,492.72
  • 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

    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
    Qty in Cart: 0
    Price:
    MSRP $1,364.00
    Surplus $106.40

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