Molded Case Breakers (MCCBs)

Molded Case Breakers (MCCBs)

Molded Case Breakers (MCCBs)

A molded case circuit breaker (MCCB) is a type of electrical breaker that is used to protect electrical systems from damage due to overloading, short-circuiting, or other electrical faults. MCCBs are commonly used in industrial and commercial electrical systems, and are designed to handle higher currents and voltage levels than residential miniature circuit breakers.

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  • Siemens LD63F600 Molded Case Breakers (MCCBs)

    Siemens LD63F600 Molded Case Breakers (MCCBs)

    MSRP $10,070.00
    Surplus $3,440.54
    Siemens LD63F600 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-7620 Brand:  Siemens MPN:  LD63F600 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-7620
    Type:
    Molded Case, LD Frame
    Voltage Rating:
    600 VAC, 500 VDC
    Number of Poles:
    3
    Short Description:
    7.5" x 4" x 11", 600 VAC, 500 VDC, 600 A, 3-Pole, Circuit Breaker Frame
    Current Rating:
    250 to 600 A
    Terminal Type:
    Line/Load Lug
    Size:
    11 Inch L x 7.5 Inch W x 4 Inch D
    Catalog:
    SiemensAG_00876_5_40_CAT.pdf
    Series:
    LD6-A
    Interrupting Rating:
    65 kA at 240 VAC 50/60 Hertz (UL), 35 kA at 480 VAC 50/60 Hertz (UL), 25 kA at 600 VAC 50/60 Hertz (UL), 30 kA at 250 VDC 50/60 Hertz (UL)
    Country of Origin:
    Mexico
    MSRP $10,070.00
    Surplus $3,440.54
    Qty in Cart: 0
    Price:
    MSRP $10,070.00
    Surplus $3,440.54
    Subtotal:
  • Siemens LD63T450 Molded Case Breakers (MCCBs)

    Siemens LD63T450 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $944.74
    SKU:  C15-7522 Brand:  Siemens MPN:  LD63T450 UPC:  78364321412 Shipping Weight:  2.50 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7522
    TS PIK:
    115459724
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $944.74
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $944.74
    Subtotal:
  • Siemens LD63T500 Molded Case Breakers (MCCBs)

    Siemens LD63T500 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $443.67
    SKU:  C15-7523 Brand:  Siemens MPN:  LD63T500 UPC:  78364321413 Shipping Weight:  2.50 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7523
    TS PIK:
    115459729
    Short Description:
    600 VAC, 500 VDC, 500 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
    Frame Type:
    LD
    Current Rating:
    500 A
    Type:
    Thermal Magnetic, Interchangeable
    Catalog:
    SiemensAG_00564_7_3-7_5_7_112_7_145_CAT.pdf
    Number of Poles:
    3
    Series:
    LD63
    Country of Origin:
    Mexico
    MSRP $5,638.00
    Surplus $443.67
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $443.67
    Subtotal:
  • Siemens LD63T600 Molded Case Breakers (MCCBs)

    Siemens LD63T600 Molded Case Breakers (MCCBs)

    MSRP $5,638.00
    Surplus $531.77
    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 $531.77
    Qty in Cart: 0
    Price:
    MSRP $5,638.00
    Surplus $531.77
    Subtotal:
  • Siemens LGB1B020B Molded Case Breakers (MCCBs)

    Siemens LGB1B020B Molded Case Breakers (MCCBs)

    MSRP $961.00
    Surplus $145.30
    SKU:  C15-8800 Brand:  Siemens MPN:  LGB1B020B UPC:  88762121992 Shipping Weight:  0.85 lbs. Shipping Height:  4.49 In. Shipping Length:  2.71 In. Shipping Width:  1.00 In...
    SKU:
    C15-8800
    TS PIK:
    110613211
    Current Rating:
    20 A
    Voltage Rating:
    347 VAC 50/60 Hertz
    Short Description:
    120/277/347 VAC 50/60 Hz, 125 VDC, 20 A, 100 kA Interrupt, 1-Pole, Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity, Panelboard Circuit Breaker
    Number of Poles:
    1
    Catalog:
    SiemensAG_10807_1-5_CAT.pdf
    Interrupting Rating:
    14 kA at 347 VAC
    Type:
    Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity
    Country of Origin:
    Mexico
    MSRP $961.00
    Surplus $145.30
    Qty in Cart: 0
    Price:
    MSRP $961.00
    Surplus $145.30
    Subtotal:
  • Siemens LGB3B015B Molded Case Breakers (MCCBs) EA

    Siemens LGB3B015B Molded Case Breakers (MCCBs) EA

    MSRP $3,200.00
    Surplus $927.73
    SKU:  C15-10478 Brand:  Siemens MPN:  LGB3B015B UPC:  88762122021 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10478
    TS PIK:
    125266285
    Voltage Rating:
    480 V
    Number of Poles:
    3
    Series:
    LGB
    Country of Origin:
    Mexico
    Short Description:
    600 VAC Star/347 VAC, 15 A, 65 kA at 480 VAC Star/277 VAC, 3-Pole, 14 to 10 AWG Copper/Aluminum, Load Lug Terminal, LGB Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Current Rating:
    15 A
    Interrupting Rating:
    100 kA at 240 VAC, 65 kA at 480 VAC Star/347 VAC, 14 kA at 600 VAC Star/347 VAC (UL)
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_00564_7_33_CAT.pdf
    Size:
    3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
    MSRP $3,200.00
    Surplus $927.73
    Qty in Cart: 0
    Price:
    MSRP $3,200.00
    Surplus $927.73
    Subtotal:
  • Siemens LGB3B025B Molded Case Breakers (MCCBs) EA

    Siemens LGB3B025B Molded Case Breakers (MCCBs) EA

    MSRP $3,200.00
    Surplus $927.73
    SKU:  C15-10480 Brand:  Siemens MPN:  LGB3B025B UPC:  88762122023 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10480
    TS PIK:
    125266287
    Current Rating:
    25 A
    Catalog:
    SiemensAG_10807_1-5_CAT.pdf
    Voltage Rating:
    600 Star/347 VAC 50/60 Hertz
    Type:
    Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity
    Interrupting Rating:
    14 kA at 600 Star/347 VAC
    Number of Poles:
    3
    Country of Origin:
    Mexico
    Short Description:
    240/480 Star/277/600 Star/347 VAC 50/60 Hz, 125/250 VDC, 25 A, 100 kA Interrupt, 3-Pole, Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity, Panelboard Circuit Breaker
    MSRP $3,200.00
    Surplus $927.73
    Qty in Cart: 0
    Price:
    MSRP $3,200.00
    Surplus $927.73
    Subtotal:
  • Siemens LGB3B045B Molded Case Breakers (MCCBs) EA

    MSRP $3,200.00
    Surplus $897.80
    SKU:  C15-10482 Brand:  Siemens MPN:  LGB3B045B UPC:  88762122027 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10482
    TS PIK:
    125266291
    Type:
    Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity
    Voltage Rating:
    600 Star/347 VAC 50/60 Hertz
    Catalog:
    SiemensAG_01796_7_7_7_33_CAT.pdf
    Current Rating:
    45 A
    Number of Poles:
    3
    Interrupting Rating:
    14 kA at 600 Star/347 VAC
    Country of Origin:
    Mexico
    MSRP $3,200.00
    Surplus $897.80
    Qty in Cart: 0
    Price:
    MSRP $3,200.00
    Surplus $897.80
    Subtotal:
  • Siemens LGB3B050B Molded Case Breakers (MCCBs) LGB 3P 50A 480V 50/60Hz 3Ph Siemens LGB3B050B Molded Case Breakers (MCCBs) LGB 3P 50A 480V 50/60Hz 3Ph

    Siemens LGB3B050B Molded Case Breakers (MCCBs) LGB 3P 50A 480V 50/60Hz 3Ph

    MSRP $2,983.00
    Surplus $417.62
    Siemens LGB3B050B Molded Case Breakers (MCCBs) LGB 3P 50A 480V 50/60Hz 3Ph​ ARCA SKU:  C15-4182 Brand:  Siemens MPN:  LGB3B050B UPC:  887621220280 Shipping Weight:  2.55 lbs. Shipping Height:  5...
    SKU:
    C15-4182
    Series:
    LGB
    Approval:
    UL
    Size:
    3 Inch Width x 2.8 Inch Depth x 5.4 Inch Height
    Volts:
    480 V
    Amps:
    50 A
    Used On:
    Panelboard
    Poles:
    3
    Interrupting Rating:
    100 kA at 240 VAC
    Interrupting Rating:
    65 kA at 480 Volt AC Star/347 Volt AC
    Interrupting Rating:
    14 kA at 600 Volt AC Star/347 Volt AC (UL)
    Terminal Type:
    Load Lug
    Wire Size:
    8 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    600 VAC Star/347 VAC, 50 A at 40 Deg C, 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
    Catalog:
    SiemensAG_00564_7_33_CAT.pdf
    Current Rating:
    50 A
    Voltage Rating:
    480 V
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $2,983.00
    Surplus $417.62
    Qty in Cart: 0
    Price:
    MSRP $2,983.00
    Surplus $417.62
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • 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
    Subtotal:
  • Siemens LMXD63B800 Molded Case Breakers (MCCBs) Siemens LMXD63B800 Molded Case Breakers (MCCBs)

    Siemens LMXD63B800 Molded Case Breakers (MCCBs)

    MSRP $19,850.00
    Surplus $2,431.66
    SKU:  C15-7478 Brand:  Siemens MPN:  LMXD63B800 UPC:  78364330412 Shipping Weight:  32.70 lbs. Shipping Height:  7.00 In. Shipping Length:  19.00 In. Shipping Width:  10.00...
    SKU:
    C15-7478
    TS PIK:
    126672559
    Type:
    Thermal Magnetic
    Size:
    7.5 Inch Width x 5.93 Inch Depth x 5.93 Inch Height
    Frame Type:
    MD
    Number of Poles:
    3
    Short Description:
    600 VAC, 800 A at 40 Deg C, 50 kA at 480 VAC, 3-Pole, LMD Frame, Thermal Magnetic Trip Unit, Non-Interchangeable Trip, Molded Case Circuit Breaker
    Voltage Rating:
    600 V
    Terminal Type:
    Not Included
    Interrupting Rating:
    65 kA at 240 VAC (UL 489), 50 kA at 480 VAC (UL 489), 25 kA at 600 VAC/250 VDC (UL 489)
    Current Rating:
    800 A
    Catalog:
    SiemensAG_00564_7_3-7_5_7_126_7_145_CAT.pdf
    Series:
    LMXD6
    Country of Origin:
    Mexico
    MSRP $19,850.00
    Surplus $2,431.66
    Qty in Cart: 0
    Price:
    MSRP $19,850.00
    Surplus $2,431.66
    Subtotal:
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