It's moving week for ARCA Supply! Orders are shipping as normal, but in the unlikely event of a delay, all operations will be back to normal by Friday.

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.

  • Product
  • Qty in Cart
  • Price
  • Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)

    Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)

    MSRP $197.50
    Surplus $50.54
    Siemens Q21515CT2 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8783 Brand:  Siemens MPN:  Q21515CT2 UPC:  78364308391 Shipping Weight:  0.75 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8783
    TS PIK:
    21333534
    Mounting:
    Plug-On
    Short Description:
    120/240 VAC, 15 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Terminal Type:
    Load Lug
    Series:
    QT
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip
    Interrupting Rating:
    10 kA
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Current Rating:
    15 A
    Catalog:
    SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
    Data Sheet:
    SiemensAG_06996_1_DATA.pdf
    Number of Poles:
    (2) Inside, (2) Outside
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Used On:
    Loadcenter
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $197.50
    Surplus $50.54
    Qty in Cart: 0
    Price:
    MSRP $197.50
    Surplus $50.54
  • Contact Us For Quote
    Siemens Q22020CT2NC Molded Case Breakers (MCCBs)

    Siemens Q22020CT2NC Molded Case Breakers (MCCBs)

    MSRP $154.00
    Surplus $41.58
    SKU:  C15-17531 Brand:  Siemens MPN:  Q22020CT2NC UPC:  88762102432 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-17531
    Current Rating:
    20 A
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Series:
    QT
    Mounting:
    Plug-On
    Catalog:
    SiemensAG_00562_1_42_CAT.pdf
    Data Sheet:
    SiemensAG_07011_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Country of Origin:
    MEX
    Number of Poles:
    (2) Inside, (2) Outside
    Interrupting Rating:
    10 kA
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Used On:
    Loadcenter
    Short Description:
    120/240 VAC, 20 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Non-CTL, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Approval:
    UL 489, CSA C22.2
    Terminal Type:
    Load Lug
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip, Non-Control
    MSRP $154.00
    Surplus $41.58
    Qty in Cart: 0
    Price:
    MSRP $154.00
    Surplus $41.58
  • Contact Us For Quote
    Siemens Q22050CT2 Molded Case Breakers (MCCBs)

    Siemens Q22050CT2 Molded Case Breakers (MCCBs)

    MSRP $59.00
    Surplus $15.93
    SKU:  C15-17533 Brand:  Siemens MPN:  Q22050CT2 UPC:  88762102438 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-17533
    Short Description:
    120/240 VAC, 20/50 A, 10 kA, (2) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Interrupting Rating:
    10 kA
    Number of Poles:
    (2) Inside, (2) Outside
    Country of Origin:
    MEX
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Approval:
    UL 489, CSA C22.2
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_00562_1_45-1_47_CAT.pdf
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum) Inside, 14 to 6 AWG (Copper/Aluminum) Outside
    Used On:
    Loadcenter
    Data Sheet:
    SiemensAG_07016_1_DATA.pdf
    Mounting:
    Plug-On
    Current Rating:
    50 A (Inside), 20 A (Outside)
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    MSRP $59.00
    Surplus $15.93
    Qty in Cart: 0
    Price:
    MSRP $59.00
    Surplus $15.93
  • Contact Us For Quote
    Siemens Q23020CT2NC Molded Case Breakers (MCCBs)

    Siemens Q23020CT2NC Molded Case Breakers (MCCBs)

    MSRP $154.00
    Surplus $41.58
    SKU:  C15-17536 Brand:  Siemens MPN:  Q23020CT2NC UPC:  88762102435 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-17536
    Used On:
    Loadcenter
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Data Sheet:
    SiemensAG_07026_1_DATA.pdf
    Country of Origin:
    MEX
    Terminal Type:
    Load Lug
    Number of Poles:
    (2) Inside, (2) Outside
    Current Rating:
    20 A (Inside), 30 A (Outside)
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Catalog:
    SiemensAG_00562_1_42_CAT.pdf
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Approval:
    UL 489, CSA C22.2
    Short Description:
    120/240 VAC, 30/20 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Non-CTL, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Series:
    QT
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip, Non-Control
    MSRP $154.00
    Surplus $41.58
    Qty in Cart: 0
    Price:
    MSRP $154.00
    Surplus $41.58
  • Contact Us For Quote
    Siemens Q23030CT2NC Molded Case Breakers (MCCBs)

    Siemens Q23030CT2NC Molded Case Breakers (MCCBs)

    MSRP $154.00
    Surplus $41.58
    SKU:  C15-17539 Brand:  Siemens MPN:  Q23030CT2NC UPC:  88762102451 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-17539
    Current Rating:
    30 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Catalog:
    SiemensAG_00562_1_42_CAT.pdf
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip, Non-Control
    Terminal Type:
    Load Lug
    Mounting:
    Plug-On
    Number of Poles:
    (2) Inside, (2) Outside
    Used On:
    Loadcenter
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Country of Origin:
    MEX
    Short Description:
    120/240 VAC, 30 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Non-CTL, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Interrupting Rating:
    10 kA
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Series:
    QT
    Data Sheet:
    SiemensAG_07027_1_DATA.pdf
    Approval:
    UL 489, CSA C22.2
    MSRP $154.00
    Surplus $41.58
    Qty in Cart: 0
    Price:
    MSRP $154.00
    Surplus $41.58
  • Contact Us For Quote
    Siemens Q24020CT2 Miniature Circuit Breakers (MCBs)

    Siemens Q24020CT2 Miniature Circuit Breakers (MCBs)

    MSRP $197.50
    Surplus $68.27
    SKU:  C15-8952 Brand:  Siemens MPN:  Q24020CT2 UPC:  78364308395 Shipping Weight:  0.75 lbs. Shipping Height:  4.00 In. Shipping Length:  2.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-8952
    TS PIK:
    115559523
    Current Rating:
    20 A (Inside), 40 A (Outside)
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Country of Origin:
    Mexico
    Number of Poles:
    (2) Inside, (2) Outside
    Terminal Type:
    Lug
    Mounting:
    Plug-On
    Short Description:
    120/240 VAC, 40/20 A, 10 kA, (2) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Series:
    QT
    Type:
    Thermal/Fixed Magnetic, Common Trip, Quadplex
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    Wire Size:
    14 to 6 AWG (Copper/Aluminum) Inside, 8 to 6 AWG (Copper)/8 to 4 AWG (Aluminum) Outside
    Data Sheet:
    SiemensAG_07034_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Catalog:
    SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
    Interrupting Rating:
    10 kA
    Used On:
    Loadcenter
    Approval:
    UL 489
    MSRP $197.50
    Surplus $68.27
    Qty in Cart: 0
    Price:
    MSRP $197.50
    Surplus $68.27
  • Contact Us For Quote
    Siemens Q24040CT2 Miniature Circuit Breakers (MCBs)

    Siemens Q24040CT2 Miniature Circuit Breakers (MCBs)

    MSRP $80.00
    Surplus $99.01
    SKU:  C15-10551 Brand:  Siemens MPN:  Q24040CT2 UPC:  78364308397 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10551
    TS PIK:
    115559525
    Voltage Rating:
    120/240 VAC at 50/60 Hz
    Current Rating:
    40 A
    Series:
    QT
    Catalog:
    SiemensAG_00562_1_42_1_46_1_47_CAT.pdf
    Short Description:
    120/240 VAC, 40 A, 10 kA, (2) 2-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Number of Poles:
    (2) Inside, (2) Outside
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Terminal Type:
    Lug
    Used On:
    Loadcenter
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Approval:
    UL 489
    Mounting:
    Plug-On
    Country of Origin:
    Mexico
    Data Sheet:
    SiemensAG_07036_1_DATA.pdf
    Interrupting Rating:
    10 kA
    Type:
    Thermal/Fixed Magnetic, Common Trip, Quadplex
    Size:
    2 Inch W x 2.06 Inch D x 3.12 Inch H
    MSRP $80.00
    Surplus $99.01
    Qty in Cart: 0
    Price:
    MSRP $80.00
    Surplus $99.01

Adding your products to cart

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.