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Miniature Circuit Breakers (MCBs)

Miniature Circuit Breakers (MCBs)

Miniature Circuit Breakers (MCBs)

A miniature circuit breaker (MCB) is a type of electrical breaker that is designed to protect electrical circuits from damage due to overloading, short-circuiting, or other electrical faults. MCBs are commonly used in residential and light commercial electrical systems, and are typically smaller in size than traditional circuit breakers.

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  • Siemens B245H Miniature Circuit Breakers (MCBs) 2P 45A 120V

    Siemens B245H Miniature Circuit Breakers (MCBs) 2P 45A 120V

    MSRP $378.00
    Surplus $90.44
    Siemens B245H Miniature Circuit Breakers (MCBs) 2P 45A 120V​ ARCA SKU:  C15-6241 Brand:  Siemens MPN:  B245H UPC:  78364300092 Shipping Weight:  0.65 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-6241
    TS PIK:
    115704594
    Short Description:
    120/240 VAC, 45 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Panelboard Circuit Breaker
    Interrupting Rating:
    22 kA
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Number of Poles:
    2
    Type:
    Branch
    Used On:
    P1/P2/P3/P4/P5 Series Panelboard
    Data Sheet:
    SiemensAG_05211_1_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Current Rating:
    45 A
    Country of Origin:
    Mexico
    Application:
    Lighting/Distribution
    Approval:
    UL 489, CSA C22.2
    Installation:
    Bolt-On
    MSRP $378.00
    Surplus $90.44
    Qty in Cart: 0
    Price:
    MSRP $378.00
    Surplus $90.44
  • Siemens B250H Miniature Circuit Breakers (MCBs) B 2P 50A 120/240V 50/60Hz 1Ph Siemens B250H Miniature Circuit Breakers (MCBs) B 2P 50A 120/240V 50/60Hz 1Ph

    Siemens B250H Miniature Circuit Breakers (MCBs) B 2P 50A 120/240V 50/60Hz 1Ph

    MSRP $256.00
    Surplus $42.00
    Siemens B250H Miniature Circuit Breakers (MCBs) B 2P 50A 120/240V 50/60Hz 1Ph​ ARCA SKU:  C15-3974 Brand:  Siemens MPN:  B250H UPC:  78364326393 Shipping Weight:  0.65 lbs. Shipping...
    SKU:
    C15-3974
    Type:
    Molded Case
    Type:
    Branch
    Type:
    Common Trip
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    P1 Panelboard
    Poles:
    2
    Interrupting Rating:
    22 kA
    Application:
    Electrical Distribution
    Installation:
    Bolt-On
    Short Description:
    120/240 VAC, 50 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    SiemensAG_05213_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    TS PIK:
    21368416
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Current Rating:
    50 A
    Country of Origin:
    Mexico
    MSRP $256.00
    Surplus $42.00
    Qty in Cart: 0
    Price:
    MSRP $256.00
    Surplus $42.00
  • Siemens B2125H Miniature Circuit Breakers (MCBs) Siemens B2125H Miniature Circuit Breakers (MCBs)

    Siemens B2125H Miniature Circuit Breakers (MCBs)

    MSRP $2,129.00
    Surplus $191.75
    SKU:  C15-7395 Brand:  Siemens MPN:  B2125H UPC:  78364354124 Shipping Weight:  0.90 lbs. Shipping Height:  2.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7395
    TS PIK:
    106248788
    Used On:
    Panelboard
    Catalog:
    SiemensAG_01796_7_29-7_35_CAT.pdf
    Data Sheet:
    SiemensAG_09756_1_2_DATA.pdf
    Current Rating:
    125 A
    Installation/Operator:
    SiemensAG_00053_INST.pdf
    Interrupting Rating:
    22 kA
    Type:
    Main, Branch
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Country of Origin:
    Mexico
    Application:
    Electrical Distribution
    Short Description:
    BREAKER 125A 2P 120/240V 22K BLH
    Approval:
    UL 489
    Installation:
    Bolt-On
    MSRP $2,129.00
    Surplus $191.75
    Qty in Cart: 0
    Price:
    MSRP $2,129.00
    Surplus $191.75
  • Siemens B230H Miniature Circuit Breakers (MCBs)

    Siemens B230H Miniature Circuit Breakers (MCBs)

    MSRP $370.00
    Surplus $77.14
    Siemens B230H Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6113 Brand:  Siemens MPN:  B230H UPC:  78364326391 Shipping Weight:  0.66 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-6113
    Data Sheet:
    SiemensAG_01602_1_DATA.pdf
    Catalog:
    SiemensAG_00876_5_18_5_19_CAT.pdf
    Used On:
    P1 Panelboard
    Interrupting Rating:
    22 kA
    Type:
    Molded Case, Branch, Common Trip, Thermal Magnetic
    Number of Poles:
    2
    Short Description:
    120/240 VAC, 30 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Branch, Common Trip, Thermal Magnetic, Panelboard Circuit Breaker
    Voltage Rating:
    120/240 VAC
    Current Rating:
    30 A
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    Application:
    Electrical Distribution
    Installation:
    Bolt-On
    MSRP $370.00
    Surplus $77.14
    Qty in Cart: 0
    Price:
    MSRP $370.00
    Surplus $77.14
  • Siemens B280H Miniature Circuit Breakers (MCBs) 80A

    Siemens B280H Miniature Circuit Breakers (MCBs) 80A

    MSRP $813.00
    Surplus $157.25
    Siemens B280H Miniature Circuit Breakers (MCBs) 80A​ ARCA SKU:  C15-6117 Brand:  Siemens MPN:  B280H UPC:  78364300094 Shipping Weight:  0.70 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-6117
    TS PIK:
    125656929
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Used On:
    P1 Panelboard
    Short Description:
    120/240 VAC, 80 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Current Rating:
    80 A
    Interrupting Rating:
    22 kA
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Low Vage, Common Trip
    Number of Poles:
    2
    Data Sheet:
    SiemensAG_05225_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    Mexico
    Installation:
    Bolt-On
    Approval:
    UL 489
    Application:
    Electrical Distribution
    MSRP $813.00
    Surplus $157.25
    Qty in Cart: 0
    Price:
    MSRP $813.00
    Surplus $157.25
  • Siemens B3100H Miniature Circuit Breakers (MCBs) 3P 100A EA

    Siemens B3100H Miniature Circuit Breakers (MCBs) 3P 100A EA

    MSRP $1,315.00
    Surplus $192.69
    SKU:  C15-7534 Brand:  Siemens MPN:  B3100H UPC:  78364326407 Shipping Weight:  1.05 lbs. Shipping Height:  4.00 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7534
    TS PIK:
    21368426
    Interrupting Rating:
    22 kA
    Used On:
    Panelboard
    Short Description:
    240 VAC, 100 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Branch, Panelboard Circuit Breaker
    Number of Poles:
    3
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Voltage Rating:
    240 VAC
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Type:
    Molded Case, Common Trip
    Data Sheet:
    SiemensAG_05231_1_DATA.pdf
    Current Rating:
    100 A
    Country of Origin:
    Mexico
    Application:
    Electrical Distribution
    Approval:
    UL 489, CSA C22.2
    Installation:
    Bolt-On
    MSRP $1,315.00
    Surplus $192.69
    Qty in Cart: 0
    Price:
    MSRP $1,315.00
    Surplus $192.69
  • Siemens B380H Miniature Circuit Breakers (MCBs) Siemens B380H Miniature Circuit Breakers (MCBs)

    Siemens B380H Miniature Circuit Breakers (MCBs)

    MSRP $1,342.00
    Surplus $151.40
    SKU:  C15-7400 Brand:  Siemens MPN:  B380H UPC:  78364326405 Shipping Weight:  1.00 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7400
    TS PIK:
    106248861
    Used On:
    P1 Panelboard
    Data Sheet:
    SiemensAG_05281_1_DATA.pdf
    Current Rating:
    80 A
    Short Description:
    240 VAC, 80 A, 22 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Interrupting Rating:
    22 kA
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Low Vage, Common Trip
    Number of Poles:
    3
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Voltage Rating:
    240 VAC
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Installation:
    Bolt-On
    Application:
    Electrical Distribution
    Approval:
    UL 489
    MSRP $1,342.00
    Surplus $151.40
    Qty in Cart: 0
    Price:
    MSRP $1,342.00
    Surplus $151.40
  • Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V

    Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V

    MSRP $166.00
    Surplus $51.80
    Siemens BQ1B015H Miniature Circuit Breakers (MCBs) 15A 120V​ ARCA SKU:  C15-6127 Brand:  Siemens MPN:  BQ1B015H UPC:  78364316148 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6127
    TS PIK:
    124819774
    Catalog:
    SiemensAG_09175_0_8_17_1_17_8_17_133_CAT.pdf
    Size:
    1 Inch Width x 3 Inch Depth x 4 Inch Height
    Interrupting Rating:
    22 kA
    Voltage Rating:
    120/240 VAC
    Current Rating:
    15 A
    Type:
    Molded Case, Low Vage, Circuit Protector
    Number of Poles:
    1
    Data Sheet:
    SiemensAG_09541_1_2_DATA.pdf
    Terminal Type:
    Load Lug
    Country of Origin:
    Mexico
    Short Description:
    BRKR BQH 1P 120V 15A 22K
    Approval:
    UL 489
    Maximum AC Voltage Rating:
    240 V
    MSRP $166.00
    Surplus $51.80
    Qty in Cart: 0
    Price:
    MSRP $166.00
    Surplus $51.80
  • Siemens BQ3B030H Miniature Circuit Breakers (MCBs) 3P 30A 240V

    Siemens BQ3B030H Miniature Circuit Breakers (MCBs) 3P 30A 240V

    MSRP $933.00
    Surplus $178.43
    Siemens BQ3B030H Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU:  C15-6141 Brand:  Siemens MPN:  BQ3B030H UPC:  78364316169 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6141
    TS PIK:
    21368391
    Type:
    Molded Case, Low Vage, Common Trip, Circuit Protector
    Current Rating:
    30 A
    Terminal Type:
    Load Lug
    Size:
    3 Inch Width x 3 Inch Depth x 4 Inch Height
    Number of Poles:
    3
    Catalog:
    SiemensAG_09175_0_8_17_1_17_7_17_8_17_133_CAT.pdf
    Interrupting Rating:
    22 kA
    Data Sheet:
    SiemensAG_09561_1_2_DATA.pdf
    Voltage Rating:
    240 VAC
    Country of Origin:
    Mexico
    Short Description:
    BRKR BQH 3P 240V 30A 22K
    Approval:
    UL 489
    Maximum AC Voltage Rating:
    240 V
    MSRP $933.00
    Surplus $178.43
    Qty in Cart: 0
    Price:
    MSRP $933.00
    Surplus $178.43
  • Siemens Q115H Miniature Circuit Breakers (MCBs) Q 1P 15A 120V 50/60Hz 1Ph Siemens Q115H Miniature Circuit Breakers (MCBs) Q 1P 15A 120V 50/60Hz 1Ph

    Siemens Q115H Miniature Circuit Breakers (MCBs) Q 1P 15A 120V 50/60Hz 1Ph

    MSRP $123.00
    Surplus $25.76
    Siemens Q115H Miniature Circuit Breakers (MCBs) Q 1P 15A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-2729 Brand:  Siemens MPN:  Q115H UPC:  783643156319 Shipping Weight:  0.30 Shipping Height:  1.00 In...
    SKU:
    C15-2729
    Type:
    Thermal and Fixed Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    1 Inch W x 3 Inch D x 3-1/8 Inch H
    Volts:
    120 VAC at 50/60 Hz
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    22 kA
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Short Description:
    120/240 VAC, 15 A, 22 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QPH Frame, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Data Sheet:
    SiemensAG_06965_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Number of Poles:
    1
    Country of Origin:
    MEX
    Voltage Rating:
    120 VAC at 50/60 Hz
    Current Rating:
    15 A
    MSRP $123.00
    Surplus $25.76
    Qty in Cart: 0
    Price:
    MSRP $123.00
    Surplus $25.76
  • Siemens Q2125H Miniature Circuit Breakers (MCBs)

    Siemens Q2125H Miniature Circuit Breakers (MCBs)

    MSRP $1,416.00
    Surplus $215.50
    SKU:  C15-7632 Brand:  Siemens MPN:  Q2125H UPC:  78364315640 Shipping Weight:  0.70 lbs. Shipping Height:  3.00 In. Shipping Length:  2.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7632
    TS PIK:
    120632077
    Type:
    Thermal Magnetic
    Voltage Rating:
    120/240 V
    Mounting:
    Plug-On
    Data Sheet:
    SiemensAG_06991_1_DATA.pdf
    Current Rating:
    125 A
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Size:
    3 Inch Width x 3 Inch Depth x 2 Inch Height
    Short Description:
    120/240 VAC, 125 A, 22 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Interrupting Rating:
    22 kA
    Used On:
    Load Centre Main, Feeder
    Number of Poles:
    2
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $1,416.00
    Surplus $215.50
    Qty in Cart: 0
    Price:
    MSRP $1,416.00
    Surplus $215.50
  • Siemens Q240H Miniature Circuit Breakers (MCBs)

    Siemens Q240H Miniature Circuit Breakers (MCBs)

    MSRP $200.00
    Surplus $69.86
    SKU:  C15-10552 Brand:  Siemens MPN:  Q240H UPC:  78364314877 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10552
    TS PIK:
    21366664
    Short Description:
    120/240 VAC, 40 A, 22 kA, 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Mounting:
    Plug-On
    Terminal Type:
    Load Lug
    Current Rating:
    40 A
    Size:
    2 Inch W x 3 Inch D x 3-1/8 Inch H
    Used On:
    Loadcenter
    Interrupting Rating:
    22 kA
    Type:
    Thermal and Fixed Magnetic, Common Trip
    Number of Poles:
    2
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Data Sheet:
    SiemensAG_07037_1_DATA.pdf
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $200.00
    Surplus $69.86
    Qty in Cart: 0
    Price:
    MSRP $200.00
    Surplus $69.86
  • Siemens Q3100H Miniature Circuit Breakers (MCBs) EA

    Siemens Q3100H Miniature Circuit Breakers (MCBs) EA

    MSRP $700.00
    Surplus $62.08
    SKU:  C15-10560 Brand:  Siemens MPN:  Q3100H UPC:  78364317082 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10560
    TS PIK:
    21366919
    Short Description:
    240 VAC, 100 A, 22 kA, 3-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Voltage Rating:
    240 V
    Mounting:
    Plug-On
    Type:
    Thermal Magnetic
    Size:
    3 Inch Width x 3 Inch Depth x 2 Inch Height
    Interrupting Rating:
    22 kA
    Data Sheet:
    SiemensAG_07053_1_DATA.pdf
    Current Rating:
    100 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Number of Poles:
    3
    Used On:
    Load Centre Main, Feeder
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $700.00
    Surplus $62.08
    Qty in Cart: 0
    Price:
    MSRP $700.00
    Surplus $62.08
  • Siemens Q330H Miniature Circuit Breakers (MCBs)

    Siemens Q330H Miniature Circuit Breakers (MCBs)

    MSRP $538.00
    Surplus $166.81
    SKU:  C15-10565 Brand:  Siemens MPN:  Q330H UPC:  78364315643 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10565
    TS PIK:
    115559546
    Short Description:
    240 VAC, 30 A, 22 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Terminal Type:
    Load Lug
    Interrupting Rating:
    22 kA
    Type:
    Thermal and Fixed Magnetic, Common Trip
    Data Sheet:
    SiemensAG_07061_1_DATA.pdf
    Number of Poles:
    3
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Voltage Rating:
    240 VAC at 50/60 Hz
    Mounting:
    Plug-On
    Size:
    3 Inch W x 3 Inch D x 3-1/8 Inch H
    Current Rating:
    30 A
    Used On:
    Loadcenter
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $538.00
    Surplus $166.81
    Qty in Cart: 0
    Price:
    MSRP $538.00
    Surplus $166.81

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