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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 Q220 Miniature Circuit Breakers (MCBs) 2P 20A Siemens Q220 Miniature Circuit Breakers (MCBs) 2P 20A

    Siemens Q220 Miniature Circuit Breakers (MCBs) 2P 20A

    MSRP $135.00
    Surplus $13.30
    Siemens Q220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU:  C15-1473 Brand:  Siemens MPN:  Q220 UPC:  66286200413 Shipping Weight:  0.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-1473
    Approval:
    UL 489
    Amps:
    20 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Poles:
    2
    Size:
    3 Inch Width x 3 Inch Depth x 2 Inch Height
    Terminal Type:
    Common Trip
    Used On:
    Load Center
    Volts:
    120/240 VAC
    Short Description:
    120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, QP-Frame, Common Trip, Circuit Breaker
    Specification/Technical:
    SiemensAG_00689_1_2_SPEC.pdf
    TS PIK:
    115704602
    Catalog:
    SiemensAG_23945_7_20_CAT.pdf
    Current Rating:
    20 A
    Type:
    Common Trip
    Country of Origin:
    Mexico
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Installation/Operator:
    SiemensAG_00053_INST.pdf
    Series:
    Q
    MSRP $135.00
    Surplus $13.30
    Qty in Cart: 0
    Price:
    MSRP $135.00
    Surplus $13.30
  • Siemens BQ2B020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA Siemens BQ2B020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA

    Siemens BQ2B020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA

    MSRP $192.50
    Surplus $23.47
    Siemens BQ2B020 Miniature Circuit Breakers (MCBs) 2P 20A 120V EA​ ARCA SKU:  C15-3343 Brand:  Siemens MPN:  BQ2B020 UPC:  78364310241 Shipping Weight:  0.65 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-3343
    Series:
    BQ
    Type:
    Molded Case
    Type:
    Thermal and Fixed Magnetic Trip
    Type:
    Common Trip
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    2 Inch W x 3 Inch D x 3-3/4 Inch H
    Volts:
    120/240 VAC at 50/60 Hz (UL)
    Amps:
    32 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    2
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA at 120/240 VAC Symmetrical (UL)
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 10 AWG (Aluminum)
    Short Description:
    120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip
    Catalog:
    SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
    TS PIK:
    21366177
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Current Rating:
    20 A
    Country of Origin:
    Mexico
    MSRP $192.50
    Surplus $23.47
    Qty in Cart: 0
    Price:
    MSRP $192.50
    Surplus $23.47
  • Siemens B220H Miniature Circuit Breakers (MCBs) B 2P 20A 240V 50/60Hz 1Ph

    Siemens B220H Miniature Circuit Breakers (MCBs) B 2P 20A 240V 50/60Hz 1Ph

    MSRP $385.00
    Surplus $44.80
    Siemens B220H Miniature Circuit Breakers (MCBs) B 2P 20A 240V 50/60Hz 1Ph​ ARCA SKU:  C15-2854 Brand:  Siemens MPN:  B220H UPC:  783643263901 Shipping Weight:  0.65 lbs. Shipping...
    SKU:
    C15-2854
    Type:
    Thermal and Fixed Magnetic
    Type:
    Branch
    Type:
    Common Trip
    Type:
    Molded Case
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120/240 VAC at 50/60 Hertz
    Amps:
    32 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    2
    Interrupting Rating:
    22 kA at 120/240 VAC
    Application:
    Lighting
    Application:
    Distribution
    Installation:
    Bolt-On
    Short Description:
    120/240 VAC, 20 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Branch
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    SiemensAG_05194_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    TS PIK:
    21368413
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Number of Poles:
    2
    Mounting:
    Bolt-On
    Series:
    B
    Country of Origin:
    Mexico
    MSRP $385.00
    Surplus $44.80
    Qty in Cart: 0
    Price:
    MSRP $385.00
    Surplus $44.80
  • Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V

    Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V

    MSRP $130.00
    Surplus $12.98
    Siemens MP220 Miniature Circuit Breakers (MCBs) MP 2P 20A 240V​ ARCA SKU:  C15-3686 Brand:  Siemens MPN:  MP220 UPC:  040892518948 Shipping Weight:  0.55 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-3686
    Series:
    Type MP-T
    Type:
    Common Trip
    Approval:
    UL
    Size:
    2 Inch W x 3 Inch D x 3-1/8 Inch H
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    16 to 14 AWG (Aluminum/Copper)
    Short Description:
    120/240 V, 20 A, 10 kA, 2-Pole, MP-T Frame
    Data Sheet:
    SiemensAG_01523_1_DATA.pdf
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Country of Origin:
    Mexico
    MSRP $130.00
    Surplus $12.98
    Qty in Cart: 0
    Price:
    MSRP $130.00
    Surplus $12.98
  • Contact Us For Quote
    Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA

    Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA

    MSRP $190.00
    Surplus $39.20
    Siemens B220 Miniature Circuit Breakers (MCBs) Type BL 2P 20A 120/240VAC 50/60Hz EA​ ARCA SKU:  C15-1476 Brand:  Siemens MPN:  B220 UPC:  78364326353 Shipping Weight:  0.70 lbs. Shipping...
    SKU:
    C15-1476
    Type:
    Thermal Magnetic
    Type:
    Branch
    Type:
    Common Trip
    Type:
    Molded Case
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120/240 VAC at 50/60 Hertz
    Amps:
    32 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    2
    Interrupting Rating:
    10 kA at 120/240 VAC
    Application:
    Lighting
    Application:
    Distribution
    Installation:
    Bolt-On
    Short Description:
    120/240 VAC 50/60 Hz, 20 A, 10 kA, 2-Pole, BL Frame, Bolt-On, Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
    Catalog:
    SiemensAG_01502_5_8_5_19_10_14_CAT.pdf
    Data Sheet:
    SiemensAG_05194_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    TS PIK:
    21368383
    Voltage Rating:
    120/240 VAC
    Current Rating:
    20 A
    Number of Poles:
    2
    Mounting:
    Bolt-On
    Series:
    Q
    Country of Origin:
    Mexico
    MSRP $190.00
    Surplus $39.20
    Qty in Cart: 0
    Price:
    MSRP $190.00
    Surplus $39.20
  • Contact Us For Quote
    Siemens B220H00S01 Miniature Circuit Breakers (MCBs) Siemens B220H00S01 Miniature Circuit Breakers (MCBs)

    Siemens B220H00S01 Miniature Circuit Breakers (MCBs)

    MSRP $769.00
    Surplus $212.80
    SKU:  C15-8753 Brand:  Siemens MPN:  B220H00S01 UPC:  78364326875 Shipping Weight:  1.15 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-8753
    TS PIK:
    115270821
    Interrupting Rating:
    22 kA at 120/240 VAC
    Data Sheet:
    SiemensAG_09761_1_2_DATA.pdf
    Used On:
    Panelboard
    Catalog:
    SiemensAG_00916_5_19_CAT.pdf
    Number of Poles:
    2
    Short Description:
    120/240 VAC, 20 A at 40 Deg C, 22 kA, 2-Pole, Panelboard Mount, Bolt-On, Molded Case Circuit Breaker with Insta-Wire and 120 VAC Shunt Trip
    Current Rating:
    20 A
    Type:
    Molded Case
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    Installation:
    Bolt-On
    Application:
    Lighting, Distribution
    MSRP $769.00
    Surplus $212.80
    Qty in Cart: 0
    Price:
    MSRP $769.00
    Surplus $212.80
  • Siemens BE220 Miniature Circuit Breakers (MCBs) 2P 20A 120V Siemens BE220 Miniature Circuit Breakers (MCBs) 2P 20A 120V

    Siemens BE220 Miniature Circuit Breakers (MCBs) 2P 20A 120V

    MSRP $1,095.00
    Surplus $239.40
    SKU:  C15-6125 Brand:  Siemens MPN:  BE220 UPC:  78364327411 Shipping Weight:  1.50 lbs. Shipping Height:  3.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-6125
    TS PIK:
    120291272
    Short Description:
    120/240 VAC, 20 A, 10 kA, 30 mA, 2-Pole, Bolt-On Mount, BLE Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Voltage Rating:
    120/240 VAC
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_00564_7_30_CAT.pdf
    Mounting:
    Bolt-On
    Number of Poles:
    2
    Size:
    2 Inch W
    Wire Size:
    14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
    Current Rating:
    20 A
    Type:
    Equipment Protector
    Data Sheet:
    SiemensAG_05304_1_DATA.pdf
    Used On:
    Loadcenter, P1/P2/P3/P4/P5 Panelboard
    Interrupting Rating:
    10 kA
    Country of Origin:
    Philippines
    Trip Sensitivity:
    30 MilliA
    Approval:
    UL 489, CSA C22.2
    MSRP $1,095.00
    Surplus $239.40
    Qty in Cart: 0
    Price:
    MSRP $1,095.00
    Surplus $239.40
  • Contact Us For Quote
    Siemens BF220A Miniature Circuit Breakers (MCBs)

    Siemens BF220A Miniature Circuit Breakers (MCBs)

    MSRP $834.00
    Surplus $291.04
    SKU:  C15-6247 Brand:  Siemens MPN:  BF220A UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-6247
    Catalog:
    SiemensAG_00564_7_30_CAT.pdf
    Data Sheet:
    SiemensAG_05314_1_DATA.pdf
    Used On:
    Panelboard
    Interrupting Rating:
    10 kA
    Current Rating:
    20 A
    Short Description:
    120/240 VAC, 20 A, 10 kA, 5 mA, 2-Pole, Bolt-On Mount, BLF Frame, Common Trip, GFCI, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker for Panelboard
    Mounting:
    Bolt-On
    Type:
    Circuit Interrupter
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Country of Origin:
    Philippines
    TS PIK:
    115559535
    Trip Sensitivity:
    5 MilliA
    MSRP $834.00
    Surplus $291.04
    Qty in Cart: 0
    Price:
    MSRP $834.00
    Surplus $291.04
  • Contact Us For Quote
    Siemens BG320 Miniature Circuit Breakers (MCBs)

    Siemens BG320 Miniature Circuit Breakers (MCBs)

    MSRP $334.00
    Surplus $90.18
    SKU:  C15-18972 Brand:  Siemens MPN:  BG320 UPC:  78364327122 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-18972
    Current Rating:
    20 A
    Catalog:
    SiemensAG_01803_18_CAT.pdf
    Approval:
    UL 489, CSA C22.2
    Terminal Type:
    Line, Load Lug
    Interrupting Rating:
    10 kA
    Country of Origin:
    MEX
    Short Description:
    120/240 VAC, 20 A, 10 kA, 3-Pole, Bolt-On Mount, BG Frame, Switching Neutral, Thermal Magnetic Trip Unit, Special Application Molded Case Circuit Breaker
    Mounting:
    Bolt-On
    Wire Size:
    14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum) Line, 14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum) Load
    Used On:
    Panelboard
    Construction Feature:
    Switching Neutral
    Voltage Rating:
    120/240 VAC
    Data Sheet:
    SiemensAG_05324_1_DATA.pdf
    Type:
    Common Trip
    Application:
    Lighting, Distribution, Fluorescent Lighting, HACR
    MSRP $334.00
    Surplus $90.18
    Qty in Cart: 0
    Price:
    MSRP $334.00
    Surplus $90.18
  • Contact Us For Quote
    Siemens Q22020CT2 Miniature Circuit Breakers (MCBs)

    Siemens Q22020CT2 Miniature Circuit Breakers (MCBs)

    MSRP $76.00
    Surplus $50.54
    SKU:  C15-10540 Brand:  Siemens MPN:  Q22020CT2 UPC:  78364308392 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10540
    TS PIK:
    115559510
    Short Description:
    120/240 VAC, 20 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, QT-Frame, Quadplex, Low Vage, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
    Number of Poles:
    2
    Catalog:
    SiemensAG_23945_7_21_CAT.pdf
    Used On:
    Load Center
    Installation/Operator:
    SiemensAG_00053_INST.pdf
    Interrupting Rating:
    10 kA
    Current Rating:
    20 A
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    Mexico
    Mounting:
    Plug-On
    Size:
    2 Inch Width x 3 Inch Depth x 3 Inch Height
    Type:
    Quadplex, Low Vage, Common Trip, Thermal Magnetic, Miniature
    Approval:
    UL 489
    MSRP $76.00
    Surplus $50.54
    Qty in Cart: 0
    Price:
    MSRP $76.00
    Surplus $50.54
  • Siemens QE220 Miniature Circuit Breakers (MCBs)

    Siemens QE220 Miniature Circuit Breakers (MCBs)

    MSRP $334.00
    Surplus $222.11
    SKU:  C15-10577 Brand:  Siemens MPN:  QE220 UPC:  78364330588 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10577
    TS PIK:
    21368822
    Short Description:
    120/240 VAC, 20 A, 10 kA, 30 mA, 2-Pole, Plug-On Mount, QE Frame, Ground Fault Equipment Protector, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Current Rating:
    20 A
    Country of Origin:
    PHL
    Type:
    Equipment Protector
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    2
    Trip Sensitivity:
    30 MilliA
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Used On:
    Loadcenter
    Terminal Type:
    Plug-On
    Catalog:
    SiemensAG_00562_1_40_CAT.pdf
    Data Sheet:
    SiemensAG_07089_1_DATA.pdf
    MSRP $334.00
    Surplus $222.11
    Qty in Cart: 0
    Price:
    MSRP $334.00
    Surplus $222.11
  • Siemens QF220A Miniature Circuit Breakers (MCBs) Siemens QF220A Miniature Circuit Breakers (MCBs)

    Siemens QF220A Miniature Circuit Breakers (MCBs)

    MSRP $396.00
    Surplus $162.40
    SKU:  C15-6279 Brand:  Siemens MPN:  QF220A UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-6279
    Type:
    Ground Fault Circuit Interrupter
    Voltage Rating:
    120/240 VAC
    Short Description:
    120/240 VAC, 20 A, 10 kA, 5 mA, 2-Pole, QPF-Frame, Ground Fault, Circuit Breaker
    Data Sheet:
    SiemensAG_09373_1_2_DATA.pdf
    Interrupting Rating:
    10 kA
    Catalog:
    SiemensAG_57237_1_35_CAT.pdf
    Number of Poles:
    2
    Used On:
    Load Center
    Current Rating:
    20 A
    Country of Origin:
    Philippines
    TS PIK:
    21366643
    Trip Sensitivity:
    5 MilliA
    Approval:
    UL 489, CSA-C22.2
    MSRP $396.00
    Surplus $162.40
    Qty in Cart: 0
    Price:
    MSRP $396.00
    Surplus $162.40

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