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
  • Contact Us For Quote
    Siemens P120X Miniature Circuit Breakers (MCBs)
    Quick view

    Siemens P120X Miniature Circuit Breakers (MCBs)

    MSRP $141.00
    Surplus $14.99
    Siemens P120X Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8794 Brand:  Siemens MPN:  P120X UPC:   Shipping Weight:  0.25 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-8794
    Number of Poles:
    1
    MSRP $141.00
    Surplus $14.99
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $141.00
    Surplus $14.99
    Contact Us For Quote
  • Siemens P1E30MC250C Circuit Breaker Accessories Siemens P1E30MC250C Circuit Breaker Accessories
    See Availability
    Quick view

    Siemens P1E30MC250C Circuit Breaker Accessories

    MSRP $570.83
    Surplus $268.77
    SKU:  C15-11525 Brand:  Siemens MPN:  P1E30MC250C UPC:   Shipping Weight:  20.30 lbs. Shipping Height:  15.00 In. Shipping Length:  38.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-11525
    Type:
    Convertible Main Lug, Unassembled
    Series:
    P1
    Catalog:
    SiemensAG_01834_15_16_CAT.pdf
    Short Description:
    480 VAC Star/277 VAC, 250 A, 3-Phase 4-Wire, 30-Circuit, Copper, Panelboard Interior
    Data Sheet:
    SiemensAG_06802_1_DATA.pdf
    MSRP $570.83
    Surplus $268.77
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $570.83
    Surplus $268.77
    See Availability
  • Siemens P1E42MC400C Circuit Breaker Accessories
    See Availability
    Quick view

    Siemens P1E42MC400C Circuit Breaker Accessories

    MSRP $2,380.00
    Surplus $1,011.20
    SKU:  C15-11526 Brand:  Siemens MPN:  P1E42MC400C UPC:   Shipping Weight:  49.00 lbs. Shipping Height:  15.00 In. Shipping Length:  64.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-11526
    Short Description:
    480 VAC Star/277 VAC, 400 A, 3-Phase 4-Wire, 42-Circuit, Copper, Panelboard Interior
    Type:
    Convertible Main Lug, Unassembled
    Catalog:
    SiemensAG_01834_15_16_CAT.pdf
    Data Sheet:
    SiemensAG_06812_1_DATA.pdf
    MSRP $2,380.00
    Surplus $1,011.20
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,380.00
    Surplus $1,011.20
    See Availability
  • Siemens P1X42MC400C Circuit Breaker Accessories Siemens P1X42MC400C Circuit Breaker Accessories
    See Availability
    Quick view

    Siemens P1X42MC400C Circuit Breaker Accessories

    MSRP $1,074.46
    Surplus $681.57
    SKU:  C15-11528 Brand:  Siemens MPN:  P1X42MC400C UPC:   Shipping Weight:  48.00 lbs. Shipping Height:  15.00 In. Shipping Length:  64.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-11528
    Catalog:
    SiemensAG_01834_15_16_CAT.pdf
    Type:
    Convertible Main Lug, Unassembled
    Series:
    P1
    Short Description:
    208 VAC Star/120 VAC, 400 A, 3-Phase 4-Wire, 42-Circuit, Copper, Panelboard Interior
    Data Sheet:
    SiemensAG_06835_1_DATA.pdf
    Approval:
    UL 67
    MSRP $1,074.46
    Surplus $681.57
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,074.46
    Surplus $681.57
    See Availability
  • Siemens P215 Molded Case Breakers (MCCBs) Siemens P215 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens P215 Molded Case Breakers (MCCBs)

    MSRP $103.00
    Surplus $28.31
    Siemens P215 Molded Case Breakers (MCCBs)​ ARCA SKU:  C15-4675 Brand:  Siemens MPN:  P215 UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In...
    SKU:
    C15-4675
    Frame Type:
    P
    Voltage Rating:
    240 V
    Current Rating:
    15 A
    Number of Poles:
    2
    Short Description:
    Siemens 15 A, 2 Pole, 240 V, Molded Case Circuit Breakers
    Country of Origin:
    United States
    MSRP $103.00
    Surplus $28.31
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $103.00
    Surplus $28.31
    See Availability
  • Contact Us For Quote
    Siemens Q11500S01 Miniature Circuit Breakers (MCBs) EA
    Quick view

    Siemens Q11500S01 Miniature Circuit Breakers (MCBs) EA

    MSRP $300.00
    Surplus $119.04
    SKU:  C15-10522 Brand:  Siemens MPN:  Q11500S01 UPC:  78364323794 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10522
    TS PIK:
    115559473
    Number of Poles:
    1
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Type:
    Thermal and Fixed Magnetic
    Interrupting Rating:
    10 kA
    Used On:
    Loadcenter
    Short Description:
    120/240 VAC, 15 A, 10 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Current Rating:
    15 A
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Size:
    1 Inch W x 3 Inch D x 3-1/8 Inch H
    Mounting:
    Plug-On
    Voltage Rating:
    120 VAC at 50/60 Hz
    Terminal Type:
    Load Lug
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Data Sheet:
    SiemensAG_06962_1_DATA.pdf
    Country of Origin:
    Mexico
    MSRP $300.00
    Surplus $119.04
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $300.00
    Surplus $119.04
    Contact Us For Quote
  • Contact Us For Quote
    Siemens Q115AFC Miniature Circuit Breakers (MCBs)
    Quick view

    Siemens Q115AFC Miniature Circuit Breakers (MCBs)

    MSRP $67.45
    Surplus $59.47
    Siemens Q115AFC Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6183 Brand:  Siemens MPN:  Q115AFC UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-6183
    Current Rating:
    15 A
    Interrupting Rating:
    10 kA
    Size:
    1 Inch Width x 6 Inch Depth x 3 Inch Height
    Data Sheet:
    SiemensAG_06963_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00462_INST.pdf
    Catalog:
    SiemensAG_01840_1_2_CAT.pdf
    Short Description:
    120 VAC, 15 A, 10 kA, 1-Pole, 14 to 12 AWG Copper/12 to 10 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QAF2 Frame, Combination AFCI, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Mounting:
    Plug-In
    Type:
    Branch Feeder
    Voltage Rating:
    120 VAC
    MSRP $67.45
    Surplus $59.47
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $67.45
    Surplus $59.47
    Contact Us For Quote
  • Contact Us For Quote
    Siemens Q115DF Miniature Circuit Breakers (MCBs) EA
    Quick view

    Siemens Q115DF Miniature Circuit Breakers (MCBs) EA

    MSRP $120.00
    Surplus $89.10
    SKU:  C15-10523 Brand:  Siemens MPN:  Q115DF UPC:  88762181730 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10523
    TS PIK:
    125704271
    Short Description:
    120 V, 15 A, 10 kA, 1-Pole, Plug-On Mount, QFGA2, Self-Test, Arc Fault/Ground Fault, Circuit Breaker
    Current Rating:
    15 A
    Voltage Rating:
    120 V
    Interrupting Rating:
    10 kA
    Used On:
    Load Center and Panelboard
    Catalog:
    SiemensAG_01502_1_14_CAT.pdf
    Mounting:
    Plug-On
    Data Sheet:
    SiemensAG_01533_1_DATA.pdf
    Size:
    3 Inch Width x 1 Inch Depth x 4.5 Inch Height
    Country of Origin:
    Philippines
    MSRP $120.00
    Surplus $89.10
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $120.00
    Surplus $89.10
    Contact Us For Quote
  • Contact Us For Quote
    Siemens Q115DFN Miniature Circuit Breakers (MCBs) EA
    Quick view

    Siemens Q115DFN Miniature Circuit Breakers (MCBs) EA

    MSRP $120.00
    Surplus $81.00
    SKU:  C15-10524 Brand:  Siemens MPN:  Q115DFN UPC:  80476690657 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10524
    TS PIK:
    128131349
    Terminal Type:
    Load Lug
    Voltage Rating:
    120 VAC
    Mounting:
    Plug-On
    Number of Poles:
    1
    Interrupting Rating:
    10 kA
    Catalog:
    SiemensAG_09213_7_19_CAT.pdf
    Short Description:
    120 VAC, 15 A, 10 kA, 1-Pole, Load Lug Terminal, QFGA2N Frame, Plug-On Mount, Arc Fault/Ground Fault, Neutral, Low Vage, Circuit Breaker
    Installation/Operator:
    SiemensAG_00702_INST.pdf
    Current Rating:
    15 A
    Type:
    Low Vage, Neutral
    Used On:
    Load Center
    Wire Size:
    14 to 10 AWG (Copper), 12 to 10 AWG (Aluminum)
    Country of Origin:
    Philippines
    MSRP $120.00
    Surplus $81.00
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $120.00
    Surplus $81.00
    Contact Us For Quote
  • 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
    See Availability
    Quick view

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

    MSRP $123.00
    Surplus $20.89
    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-In
    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
    MSRP $123.00
    Surplus $20.89
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $123.00
    Surplus $20.89
    See Availability
  • Siemens Q12000S01 Shunt Trips 120V
    See Availability
    Quick view

    Siemens Q12000S01 Shunt Trips 120V

    MSRP $307.00
    Surplus $106.40
    Siemens Q12000S01 Shunt Trips 120V​ ARCA SKU:  A13-1401 Brand:  Siemens MPN:  Q12000S01 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In...
    SKU:
    A13-1401
    TS PIK:
    21367397
    Terminal Type:
    Load Lug
    Type:
    Thermal and Fixed Magnetic
    Voltage Rating:
    120 VAC at 50/60 Hz
    Short Description:
    120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Current Rating:
    20 A
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Number of Poles:
    1
    Used On:
    Loadcenter
    Data Sheet:
    SiemensAG_06966_1_DATA.pdf
    Mounting:
    Plug-On
    Size:
    1 Inch W x 3 Inch D x 3-1/8 Inch H
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Country of Origin:
    Mexico
    MSRP $307.00
    Surplus $106.40
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $307.00
    Surplus $106.40
    See Availability
  • Siemens Q120DF Miniature Circuit Breakers (MCBs) EA
    See Availability
    Quick view

    Siemens Q120DF Miniature Circuit Breakers (MCBs) EA

    MSRP $120.00
    Surplus $89.10
    SKU:  C15-10525 Brand:  Siemens MPN:  Q120DF UPC:  88762181732 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10525
    TS PIK:
    125704273
    Current Rating:
    20 A
    Size:
    3 Inch Width x 1 Inch Depth x 4.5 Inch Height
    Short Description:
    120 V, 20 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, QFGA2/QFGAH2/HQFGA2-Frame, Self-Test, Arc Fault/Ground Fault, Circuit Breaker
    Voltage Rating:
    120 VAC
    Used On:
    Load Center and Panelboard
    Data Sheet:
    SiemensAG_09373_1_2_DATA.pdf
    Catalog:
    SiemensAG_23945_7_19_CAT.pdf
    Mounting:
    Plug-On
    Installation/Operator:
    SiemensAG_00694_INST.pdf
    Interrupting Rating:
    10 kA
    Country of Origin:
    Philippines
    MSRP $120.00
    Surplus $89.10
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $120.00
    Surplus $89.10
    See Availability
  • Siemens Q120H Miniature Circuit Breakers (MCBs) 120V
    See Availability
    Quick view

    Siemens Q120H Miniature Circuit Breakers (MCBs) 120V

    MSRP $94.25
    Surplus $13.16
    Siemens Q120H Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU:  C15-6185 Brand:  Siemens MPN:  Q120H UPC:  78364315632 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6185
    TS PIK:
    21366717
    Short Description:
    120/240 VAC, 20 A, 22 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QPH Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Type:
    Thermal and Fixed Magnetic
    Terminal Type:
    Load Lug
    Current Rating:
    20 A
    Used On:
    Loadcenter
    Data Sheet:
    SiemensAG_06969_1_DATA.pdf
    Voltage Rating:
    120 VAC
    Size:
    1 Inch W x 3 Inch D x 3-1/8 Inch H
    Mounting:
    Plug-On
    Interrupting Rating:
    22 kA
    Number of Poles:
    1
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Country of Origin:
    Mexico
    MSRP $94.25
    Surplus $13.16
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $94.25
    Surplus $13.16
    See Availability
  • Siemens Q125 Miniature Circuit Breakers (MCBs)
    See Availability
    Quick view

    Siemens Q125 Miniature Circuit Breakers (MCBs)

    MSRP $17.00
    Surplus $9.33
    SKU:  C15-4790 Brand:  Siemens MPN:  Q125 UPC:   Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In. Product...
    SKU:
    C15-4790
    TS PIK:
    128015197
    Short Description:
    120/240 VAC, 25 A, 10 kA, 1-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Type:
    Miniature, Thermal and Fixed Magnetic Trip, Common Trip, Shunt Trip
    Voltage Rating:
    120 VAC
    Series:
    QP
    Size:
    1 Inch Width x 3 Inch Depth x 3-1/8 Inch Height
    Mounting:
    Plug-On
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Number of Poles:
    1
    Data Sheet:
    SiemensAG_06973_1_DATA.pdf
    Terminal Type:
    Load Lug
    Current Rating:
    25 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Interrupting Rating:
    10 kA
    Used On:
    Load Center
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Country of Origin:
    Mexico
    MSRP $17.00
    Surplus $9.33
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $17.00
    Surplus $9.33
    See Availability
  • Siemens Q130 Miniature Circuit Breakers (MCBs) Siemens Q130 Miniature Circuit Breakers (MCBs)
    See Availability
    Quick view

    Siemens Q130 Miniature Circuit Breakers (MCBs)

    MSRP $75.00
    Surplus $3.82
    Siemens Q130 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-2647 Brand:  Siemens MPN:  Q130 UPC:  66286200389 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-2647
    Approval:
    UL 489
    Amps:
    30 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Poles:
    1
    Size:
    1 Inch Width x 3 Inch Depth x 3 Inch Height
    Terminal Used On:
    Load Center
    Volts:
    120 VAC
    Gauge:
    0
    Short Description:
    120 VAC, 30 A, 10 kA Interrupt, 1-Pole, Plug-In Mount, QP-Frame, Circuit Breaker
    Specification/Technical:
    SiemensAG_57256_1_2_SPEC.pdf
    Data Sheet:
    A ...
    TS PIK:
    115704593
    Country of Origin:
    Mexico
    Voltage Rating:
    120 VAC
    Catalog:
    SiemensAG_01829_1_12_CAT.pdf
    Used On:
    Load Center
    Current Rating:
    30 A
    Installation/Operator:
    SiemensAG_00053_INST.pdf
    Number of Poles:
    1
    Series:
    Q
    MSRP $75.00
    Surplus $3.82
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $75.00
    Surplus $3.82
    See Availability

Adding your products to cart

View Cart Continue Shopping

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.