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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 BQ3B050 Miniature Circuit Breakers (MCBs) EA
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    Siemens BQ3B050 Miniature Circuit Breakers (MCBs) EA

    MSRP $614.00
    Surplus $164.92
    Siemens BQ3B050 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-6144 Brand:  Siemens MPN:  BQ3B050 UPC:  78364310262 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6144
    TS PIK:
    21366198
    Mounting:
    Bolt-On
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Short Description:
    240 VAC, 50 A, 10 kA Interrupt, 3-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip, Molded Case Circuit Breaker
    Current Rating:
    50 A
    Series:
    BQ
    Number of Poles:
    3
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
    Catalog:
    SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
    Terminal Type:
    Load Lug
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Interrupting Rating:
    10 kA at 240 VAC Symmetrical (UL)
    Size:
    3 Inch W x 3 Inch D x 3-3/4 Inch H
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $614.00
    Surplus $164.92
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    Qty in Cart: 0
    Price:
    MSRP $614.00
    Surplus $164.92
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    Siemens B3100HH Miniature Circuit Breakers (MCBs) Siemens B3100HH Miniature Circuit Breakers (MCBs)
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    Siemens B3100HH Miniature Circuit Breakers (MCBs)

    MSRP $1,812.00
    Surplus $270.50
    SKU:  C15-7397 Brand:  Siemens MPN:  B3100HH UPC:  78364326429 Shipping Weight:  1.05 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7397
    TS PIK:
    106248809
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Short Description:
    240 VAC, 100 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Current Rating:
    100 A
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    SiemensAG_05232_1_DATA.pdf
    Interrupting Rating:
    65 kA at 240 VAC (UL)
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Number of Poles:
    3
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Application:
    Lighting, Distribution
    Approval:
    UL 489, CSA C22.2
    Installation:
    Bolt-On
    MSRP $1,812.00
    Surplus $270.50
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    Qty in Cart: 0
    Price:
    MSRP $1,812.00
    Surplus $270.50
    Contact Us For Quote
  • Siemens B320HH Miniature Circuit Breakers (MCBs) 3P 20A
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    Siemens B320HH Miniature Circuit Breakers (MCBs) 3P 20A

    MSRP $1,188.00
    Surplus $198.95
    SKU:  C15-6121 Brand:  Siemens MPN:  B320HH UPC:  78364326421 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-6121
    TS PIK:
    120903528
    Current Rating:
    20 A
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Number of Poles:
    3
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Interrupting Rating:
    65 kA at 240 VAC (UL)
    Data Sheet:
    SiemensAG_05242_1_DATA.pdf
    Short Description:
    240 VAC, 20 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    Application:
    Lighting, Distribution
    Installation:
    Bolt-On
    MSRP $1,188.00
    Surplus $198.95
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    Qty in Cart: 0
    Price:
    MSRP $1,188.00
    Surplus $198.95
    See Availability
  • Siemens B370HH Miniature Circuit Breakers (MCBs) Siemens B370HH Miniature Circuit Breakers (MCBs)
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    Siemens B370HH Miniature Circuit Breakers (MCBs)

    MSRP $1,547.00
    Surplus $266.15
    SKU:  C15-7399 Brand:  Siemens MPN:  B370HH UPC:  78364326426 Shipping Weight:  1.05 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-7399
    TS PIK:
    106248782
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Number of Poles:
    3
    Current Rating:
    70 A
    Short Description:
    240 VAC, 70 A, 65 kA, 3-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Data Sheet:
    SiemensAG_05277_1_DATA.pdf
    Interrupting Rating:
    65 kA at 240 VAC (UL)
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    Installation:
    Bolt-On
    Application:
    Lighting, Distribution
    MSRP $1,547.00
    Surplus $266.15
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,547.00
    Surplus $266.15
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  • Contact Us For Quote
    Siemens BQ3B020 Miniature Circuit Breakers (MCBs) EA
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    Siemens BQ3B020 Miniature Circuit Breakers (MCBs) EA

    MSRP $627.00
    Surplus $164.92
    SKU:  C15-8429 Brand:  Siemens MPN:  BQ3B020 UPC:  78364310259 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In. Shipping Length:  3.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-8429
    Terminal Type:
    Load Lug
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Type:
    Molded Case, Thermal and Fixed Magnetic, Common Trip
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
    Series:
    BQ
    Number of Poles:
    3
    Interrupting Rating:
    10 kA at 240 VAC Symmetrical (UL)
    Catalog:
    SiemensAG_01698_17_1_17_7_17_110_CAT.pdf
    Size:
    3 Inch W x 3 Inch D x 3-3/4 Inch H
    Data Sheet:
    SiemensAG_05388_1_DATA.pdf
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Wire Size:
    14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
    Current Rating:
    20 A
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    MSRP $627.00
    Surplus $164.92
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $627.00
    Surplus $164.92
    Contact Us For Quote
  • Siemens BQ3B035 Miniature Circuit Breakers (MCBs) 3P 35A 240V
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    Siemens BQ3B035 Miniature Circuit Breakers (MCBs) 3P 35A 240V

    MSRP $627.00
    Surplus $182.82
    SKU:  C15-6234 Brand:  Siemens MPN:  BQ3B035 UPC:  78364316126 Shipping Weight:  1.05 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-6234
    TS PIK:
    117094914
    Wire Size:
    14 to 6 AWG (Copper), 12 to 6 AWG (Aluminum)
    Interrupting Rating:
    10 kA at 240 VAC Symmetrical (UL)
    Terminal Type:
    Load Lug
    Series:
    BQ
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Short Description:
    240 VAC, 35 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Catalog:
    SiemensAG_01698_17_1_17_7_CAT.pdf
    Number of Poles:
    3
    Type:
    Molded Case, Thermal and Fixed Magnetic, Common Trip
    Data Sheet:
    SiemensAG_05393_1_DATA.pdf
    Size:
    3 Inch W x 3 Inch D x 3-3/4 Inch H
    Current Rating:
    35 A
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Approval:
    UL
    MSRP $627.00
    Surplus $182.82
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $627.00
    Surplus $182.82
    See Availability
  • Siemens BQ3B045 Miniature Circuit Breakers (MCBs) 3P 45A 240V EA
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    Siemens BQ3B045 Miniature Circuit Breakers (MCBs) 3P 45A 240V EA

    MSRP $614.00
    Surplus $62.42
    Siemens BQ3B045 Miniature Circuit Breakers (MCBs) 3P 45A 240V EA​ ARCA SKU:  C15-6256 Brand:  Siemens MPN:  BQ3B045 UPC:   Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6256
    TS PIK:
    124364579
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip, Molded Case Circuit Breaker
    Series:
    BQ
    Terminal Type:
    Load Lug
    Number of Poles:
    3
    Current Rating:
    45 A
    Interrupting Rating:
    10 kA at 240 VAC Symmetrical (UL)
    Size:
    3 Inch W x 3 Inch D x 3-3/4 Inch H
    Data Sheet:
    SiemensAG_05396_1_DATA.pdf
    Catalog:
    SiemensAG_01698_17_1_17_7_CAT.pdf
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Voltage Rating:
    240 VAC at 50/60 Hz (UL)
    Type:
    Molded Case, Thermal and Fixed Magnetic, Common Trip
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Mounting:
    Bolt-On
    Country of Origin:
    Mexico
    Approval:
    UL
    MSRP $614.00
    Surplus $62.42
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $614.00
    Surplus $62.42
    See Availability

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Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.