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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  • Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A
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    Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A

    MSRP $146.25
    Surplus $24.64
    Murray MQ250 Miniature Circuit Breakers (MCBs) 2P 50A​ ARCA SKU:  C15-6319 Brand:  Murray MPN:  MQ250 UPC:  04089252823 Shipping Weight:  1.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6319
    TS PIK:
    120071678
    Mounting:
    Plug-On
    Type:
    Common Trip
    Used On:
    Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
    Current Rating:
    50 A
    Interrupting Rating:
    10 kA
    Data Sheet:
    SiemensAG_06685_1_DATA.pdf
    Short Description:
    50 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    Mexico
    MSRP $146.25
    Surplus $24.64
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    MSRP $146.25
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    Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A
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    Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A

    MSRP $146.25
    Surplus $15.48
    Murray MQ260 Miniature Circuit Breakers (MCBs) 2P 60A​ ARCA SKU:  C15-6320 Brand:  Murray MPN:  MQ260 UPC:  04089252824 Shipping Weight:  2.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6320
    TS PIK:
    120072355
    Voltage Rating:
    120/240 VAC
    Type:
    Common Trip
    Short Description:
    60 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
    Number of Poles:
    2
    Mounting:
    Plug-On
    Current Rating:
    60 A
    Data Sheet:
    SiemensAG_06686_1_DATA.pdf
    Used On:
    Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
    Interrupting Rating:
    10 kA
    Country of Origin:
    Mexico
    MSRP $146.25
    Surplus $15.48
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    MSRP $146.25
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  • Murray MQJ2150 Miniature Circuit Breakers (MCBs)
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    Murray MQJ2150 Miniature Circuit Breakers (MCBs)

    MSRP $1,133.00
    Surplus $145.51
    SKU:  C15-7648 Brand:  Murray MPN:  MQJ2150 UPC:  04089252490 Shipping Weight:  3.30 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7648
    TS PIK:
    123474991
    Number of Poles:
    2
    Country of Origin:
    Mexico
    MSRP $1,133.00
    Surplus $145.51
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    Qty in Cart: 0
    Price:
    MSRP $1,133.00
    Surplus $145.51
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  • Murray MQJ3100 Miniature Circuit Breakers (MCBs)
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    Murray MQJ3100 Miniature Circuit Breakers (MCBs)

    MSRP $2,908.00
    Surplus $512.44
    SKU:  C15-7650 Brand:  Murray MPN:  MQJ3100 UPC:  04089253114 Shipping Weight:  4.40 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7650
    TS PIK:
    120152629
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $2,908.00
    Surplus $512.44
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    Qty in Cart: 0
    Price:
    MSRP $2,908.00
    Surplus $512.44
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  • Murray MQJ3150 Molded Case Breakers (MCCBs)
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    Murray MQJ3150 Molded Case Breakers (MCCBs)

    MSRP $2,996.00
    Surplus $417.70
    SKU:  C15-7652 Brand:  Murray MPN:  MQJ3150 UPC:  04089252504 Shipping Weight:  4.55 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7652
    TS PIK:
    115459330
    Country of Origin:
    Mexico
    MSRP $2,996.00
    Surplus $417.70
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    Qty in Cart: 0
    Price:
    MSRP $2,996.00
    Surplus $417.70
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  • Murray MQJ3200 Molded Case Breakers (MCCBs)
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    Murray MQJ3200 Molded Case Breakers (MCCBs)

    MSRP $2,996.00
    Surplus $369.22
    SKU:  C15-7653 Brand:  Murray MPN:  MQJ3200 UPC:  04089252510 Shipping Weight:  4.55 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7653
    TS PIK:
    120152672
    Number of Poles:
    3
    Current Rating:
    200 A
    Voltage Rating:
    240 VAC
    Type:
    Molded Case, Common Trip
    Terminal Type:
    Load Lug
    Short Description:
    240 VAC, 200 A, 10 kA, 3-Pole, 6 AWG to 300 KCMIL Copper/4 AWG to 300 KCMIL Aluminum, Lug Terminal, MQ Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Series:
    MQ
    Interrupting Rating:
    10 kA
    Country of Origin:
    Mexico
    Wire Size:
    6 AWG to 300 KCMIL (Copper), 4 AWG to 300 KCMIL (Aluminum)
    Used On:
    Loadcenter
    MSRP $2,996.00
    Surplus $369.22
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    Qty in Cart: 0
    Price:
    MSRP $2,996.00
    Surplus $369.22
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  • Murray MQJ390 Miniature Circuit Breakers (MCBs)
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    Murray MQJ390 Miniature Circuit Breakers (MCBs)

    MSRP $2,996.00
    Surplus $425.12
    SKU:  C15-7651 Brand:  Murray MPN:  MQJ390 UPC:  04089253113 Shipping Weight:  4.40 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-7651
    TS PIK:
    120152653
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $2,996.00
    Surplus $425.12
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    Qty in Cart: 0
    Price:
    MSRP $2,996.00
    Surplus $425.12
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    Panduit CCS31-S8-M Conduit Clips/Clamps/Hangers Cable Clamp 1000PK Panduit CCS31-S8-M Conduit Clips/Clamps/Hangers Cable Clamp 1000PK
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    Panduit CCS31-S8-M Conduit Clips/Clamps/Hangers Cable Clamp 1000PK

    MSRP $79.44
    Surplus $18.07
    Panduit CCS31-S8-M Conduit Clips/Clamps/Hangers Cable Clamp 1000PK​ ARCA SKU:  E27-1593 Brand:  Panduit MPN:  CCS31-S8-M UPC:  74983600724 Shipping Weight:  1.15 lbs. Shipping Height:  3...
    SKU:
    E27-1593
    Approval:
    UL (Canada and US)
    Bundle Diameter:
    0.31 Inch
    Color:
    Natural
    Length:
    12.4 Millimeter
    Load Capacity:
    0
    Material:
    Nylon 6/6
    Mounting:
    0.17 Inch Hole Diameter
    Mounting:
    #8 Screw
    Standard Package:
    1000
    Type:
    Fixed Diameter
    Width:
    9.4 Millimeter
    Short Description:
    0.49" x 0.37" x 0.31", 0.31" Bundle Diameter, #8 (M4) Screw Mount, Natural White, Nylon 6.6, Cable Clamp (1000 per Pack)
    CAD Drawing:
    Panduit_00147_1_CAD.pdf
    CAD Drawings:
    Panduit_00147_1_CAD.pdf
    Catalog:
    Panduit_00011_B2_40_CAT.pdf
    MSRP $79.44
    Surplus $18.07
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    Qty in Cart: 0
    Price:
    MSRP $79.44
    Surplus $18.07
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    Panduit PSL-CBILNT Circuit Breaker Accessories
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    Panduit PSL-CBILNT Circuit Breaker Accessories

    MSRP $22.00
    Surplus $29.60
    Panduit PSL-CBILNT Circuit Breaker Accessories​ ARCA SKU:  C15-4782 Brand:  Panduit MPN:  PSL-CBILNT UPC:   Shipping Weight:  0.05 Shipping Height:  2.00 In. Shipping Length:  7.00 In...
    SKU:
    C15-4782
    Series:
    PSL
    Material:
    Rugged Stainless Steel/Nylon
    Used On:
    Universal Single/Double/Triple Handle Circuit Breaker
    Used On:
    Square D I-Line/Federal Pacific Circuit Breaker
    Breaker Size:
    0.3 to 0.6 Inch H
    Breaker Size:
    0.16 to 0.35 Inch Thk
    Short Description:
    2.05'' x 0.75'', 0.3 to 0.6'' x 0.16 to 0.35'' Breaker, 120/277 V, Red, Nylon/Stainless Steel
    Catalog:
    Panduit_00550_E5_53_CAT.pdf
    CAD Drawing:
    Panduit_02885_1_CAD.pdf
    CAD Drawings:
    Panduit_02885_1_CAD.pdf
    MSRP $22.00
    Surplus $29.60
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    Qty in Cart: 0
    Price:
    MSRP $22.00
    Surplus $29.60
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    PHOENIX CONTACT ST 2 5-QUATTRO-PE Other Circuit Breakers PHOENIX CONTACT ST 2 5-QUATTRO-PE Other Circuit Breakers
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    PHOENIX CONTACT ST 2 5-QUATTRO-PE Other Circuit Breakers

    MSRP $800.00
    Surplus $183.69
    SKU:  C15-11432 Brand:  PHOENIX CONTACT MPN:  ST 2 5-QUATTRO-PE UPC:   Shipping Weight:  1.40 lbs. Shipping Height:  3.00 In. Shipping Length:  10.00 In. Shipping Width:  2...
    SKU:
    C15-11432
    MSRP $800.00
    Surplus $183.69
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    Qty in Cart: 0
    Price:
    MSRP $800.00
    Surplus $183.69
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    PHOENIX CONTACT STU 10/ 4X2 5 Other Circuit Breakers
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    PHOENIX CONTACT STU 10/ 4X2 5 Other Circuit Breakers

    MSRP $150.00
    Surplus $26.91
    PHOENIX CONTACT STU 10/ 4X2 5 Other Circuit Breakers​ ARCA SKU:  C15-11431 Brand:  PHOENIX CONTACT MPN:  STU 10/ 4X2 5 UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-11431
    MSRP $150.00
    Surplus $26.91
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    Qty in Cart: 0
    Price:
    MSRP $150.00
    Surplus $26.91
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    PHOENIX CONTACT UT 6-TMC M 6A Other Circuit Breakers
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    PHOENIX CONTACT UT 6-TMC M 6A Other Circuit Breakers

    MSRP $33.00
    Surplus $13.78
    PHOENIX CONTACT UT 6-TMC M 6A Other Circuit Breakers​ ARCA SKU:  C15-11430 Brand:  PHOENIX CONTACT MPN:  UT 6-TMC M 6A UPC:   Shipping Weight:  0.10 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-11430
    Country of Origin:
    Germany
    Number of Poles:
    2
    Short Description:
    1-pole miniature circuit breaker, 6A, type C trip curve, 240V AC, suitable for DIN rail mounting in industrial applications.
    MSRP $33.00
    Surplus $13.78
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    Qty in Cart: 0
    Price:
    MSRP $33.00
    Surplus $13.78
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    Phoenix TCP0.25A Circuit Breaker Accessories Thermal Device Circuit Breaker 0.25A Phoenix TCP0.25A Circuit Breaker Accessories Thermal Device Circuit Breaker 0.25A
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    Phoenix TCP0.25A Circuit Breaker Accessories Thermal Device Circuit Breaker 0.25A

    MSRP $22.00
    Surplus $7.56
    Phoenix TCP0.25A Circuit Breaker Accessories Thermal Device Circuit Breaker 0.25A​ ARCA SKU:  C15-4235 Brand:  Phoenix MPN:  TCP0.25A UPC:   Shipping Weight:  0.05 Shipping Height:  1.00 In...
    SKU:
    C15-4235
    Amps:
    0.25 A
    MSRP $22.00
    Surplus $7.56
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    Qty in Cart: 0
    Price:
    MSRP $22.00
    Surplus $7.56
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    Phoenix TCP1.0A Circuit Breaker Accessories 1.0A 250V 50/60Hz Phoenix TCP1.0A Circuit Breaker Accessories 1.0A 250V 50/60Hz
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    Phoenix TCP1.0A Circuit Breaker Accessories 1.0A 250V 50/60Hz

    MSRP $22.00
    Surplus $10.13
    Phoenix TCP1.0A Circuit Breaker Accessories 1.0A 250V 50/60Hz​ ARCA SKU:  C15-4239 Brand:  Phoenix MPN:  TCP1.0A UPC:   Shipping Weight:  0.05 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4239
    Volts:
    250 V
    Amps:
    1.0 A
    Frequency Rating:
    50/60 Hz
    MSRP $22.00
    Surplus $10.13
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    Qty in Cart: 0
    Price:
    MSRP $22.00
    Surplus $10.13
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    Phoenix TCP10.0A Circuit Breaker Accessories 10A 250V 50/60Hz Phoenix TCP10.0A Circuit Breaker Accessories 10A 250V 50/60Hz
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    Phoenix TCP10.0A Circuit Breaker Accessories 10A 250V 50/60Hz

    MSRP $15.50
    Surplus $6.25
    Phoenix TCP10.0A Circuit Breaker Accessories 10A 250V 50/60Hz​ ARCA SKU:  C15-4240 Brand:  Phoenix MPN:  TCP10.0A UPC:   Shipping Weight:  0.05 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4240
    Volts:
    250 V
    Amps:
    10 A
    Frequency Rating:
    50/60 Hz
    MSRP $15.50
    Surplus $6.25
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    Qty in Cart: 0
    Price:
    MSRP $15.50
    Surplus $6.25
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    Potter & Brumfield W23-X1A1G-1 Other Circuit Breakers EA
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    Potter & Brumfield W23-X1A1G-1 Other Circuit Breakers EA

    MSRP $119.00
    Surplus $23.30
    Potter & Brumfield W23-X1A1G-1 Other Circuit Breakers EA​ ARCA SKU:  C15-5169 Brand:  Potter & Brumfield MPN:  W23-X1A1G-1 UPC:   Shipping Weight:  0.15 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-5169
    UOM:
    EA
    Box Quantity:
    1
    Number of Poles:
    1
    MSRP $119.00
    Surplus $23.30
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    Qty in Cart: 0
    Price:
    MSRP $119.00
    Surplus $23.30
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    Potter & Brumfield W23-X1A1G-10 Circuit Breaker Accessories EA
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    Potter & Brumfield W23-X1A1G-10 Circuit Breaker Accessories EA

    MSRP $43.00
    Surplus $14.80
    Potter & Brumfield W23-X1A1G-10 Circuit Breaker Accessories EA​ ARCA SKU:  C15-4789 Brand:  Potter & Brumfield MPN:  W23-X1A1G-10 UPC:   Shipping Weight:  0.10 Shipping Height:  1.00 In...
    SKU:
    C15-4789
    UOM:
    EA
    Box Quantity:
    1
    MSRP $43.00
    Surplus $14.80
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    Qty in Cart: 0
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    MSRP $43.00
    Surplus $14.80
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    Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA
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    Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA

    MSRP $67.00
    Surplus $13.30
    Potter & Brumfield W23-X1A1G-15 Other Circuit Breakers EA​ ARCA SKU:  C15-5188 Brand:  Potter & Brumfield MPN:  W23-X1A1G-15 UPC:   Shipping Weight:  0.15 Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-5188
    UOM:
    EA
    Box Quantity:
    1
    Number of Poles:
    1
    MSRP $67.00
    Surplus $13.30
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    Qty in Cart: 0
    Price:
    MSRP $67.00
    Surplus $13.30
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    Potter & Brumfield W23-X1A1G-20 Other Circuit Breakers EA
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    Potter & Brumfield W23-X1A1G-20 Other Circuit Breakers EA

    MSRP $48.00
    Surplus $12.78
    Potter & Brumfield W23-X1A1G-20 Other Circuit Breakers EA​ ARCA SKU:  C15-5166 Brand:  Potter & Brumfield MPN:  W23-X1A1G-20 UPC:   Shipping Weight:  0.10 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-5166
    UOM:
    EA
    Box Quantity:
    1
    Number of Poles:
    1
    MSRP $48.00
    Surplus $12.78
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    Qty in Cart: 0
    Price:
    MSRP $48.00
    Surplus $12.78
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    Potter & Brumfield W23-X1A1G-25 Other Circuit Breakers EA
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    Potter & Brumfield W23-X1A1G-25 Other Circuit Breakers EA

    MSRP $52.00
    Surplus $15.32
    Potter & Brumfield W23-X1A1G-25 Other Circuit Breakers EA​ ARCA SKU:  C15-5187 Brand:  Potter & Brumfield MPN:  W23-X1A1G-25 UPC:   Shipping Weight:  0.15 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-5187
    UOM:
    EA
    Box Quantity:
    1
    Number of Poles:
    1
    MSRP $52.00
    Surplus $15.32
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    Qty in Cart: 0
    Price:
    MSRP $52.00
    Surplus $15.32
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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.