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
  • Cutler-Hammer BAB3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V NULL EA Cutler-Hammer BAB3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V NULL EA
    See Availability
    Quick view

    Cutler-Hammer BAB3100H Miniature Circuit Breakers (MCBs) 3P 100A 240V NULL EA

    MSRP $651.15
    Surplus $105.00
    SKU:  C15-1110 Brand:  Cutler-Hammer MPN:  BAB3100H UPC:  78667930400 Shipping Weight:  1.10 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00...
    SKU:
    C15-1110
    Series:
    BAB
    Type:
    Thermal Magnetic
    Type:
    Non-Interchangeable Trip
    Type:
    Miniature
    Approval:
    UL 489
    Approval:
    CSA
    Size:
    3 Inch Width x 2.9 Inch Depth x 2.9 Inch Height
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Bolt-On
    Interrupting Rating:
    10000 A at 240 VAC
    Terminal Type:
    Steel Box Lug Standard Load
    Wire Size:
    8 to 1/0 AWG Copper/Aluminum (Standard Load)
    Short Description:
    240 VAC, 100 A, 10 kA, 3-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature
    Catalog:
    Eaton_03771_V4T1_3_V4T1_11_V4T1_12_CAT.pdf
    TS PIK:
    21508717
    Current Rating:
    100 A
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Country of Origin:
    Dominican Republic
    MSRP $651.15
    Surplus $105.00
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $651.15
    Surplus $105.00
    See Availability
  • Cutler-Hammer KD3400WA02 Main Breakers EA Cutler-Hammer KD3400WA02 Main Breakers EA
    See Availability
    Quick view

    Cutler-Hammer KD3400WA02 Main Breakers EA

    MSRP $5,000.00
    Surplus $1,816.65
    SKU:  C15-11040 Brand:  Cutler-Hammer MPN:  KD3400WA02 UPC:   Shipping Weight:  11.50 lbs. Shipping Height:  6.00 In. Shipping Length:  13.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-11040
    Short Description:
    A 3-pole, 100A thermal-magnetic molded case circuit breaker designed for 277/480V AC and 125/250V DC systems. It features a 14 kA interrupting capacity, steel pressure screw terminals, and is suitable for use in panelboards and switchboards
    Poles:
    3
    Series:
    Series C
    Country of Origin:
    United States​
    Interrupting Rating:
    14 kA
    Number of Poles:
    3
    Current Rating:
    100 A
    Voltage Rating:
    125/250V
    Current Rating:
    100
    Series:
    C
    MSRP $5,000.00
    Surplus $1,816.65
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $5,000.00
    Surplus $1,816.65
    See Availability
  • Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA
    See Availability
    Quick view

    Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA

    MSRP $120.91
    Surplus $12.44
    Cutler-Hammer BD3030 Miniature Circuit Breakers (MCBs) 120V NULL EA​ ARCA SKU:  C15-1126 Brand:  Cutler-Hammer MPN:  BD3030 UPC:  78667636950 Shipping Weight:  0.35 lbs. Shipping...
    SKU:
    C15-1126
    Series:
    BD
    Type:
    Full Vage
    Type:
    Non-Reversing
    Approval:
    UL 489
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Enclosure:
    IP00
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120 VAC, 30 A, 10 kA, 1-Pole, Plug-On Mount, BD Breaker, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_87_CAT.pdf
    Data Sheet:
    Eaton_56070_1-14_DATA.pdf
    Installation/Operator:
    Eaton_00653_INST.pdf
    CAD Drawing:
    Eaton_21606_1_CAD.pdf
    TS PIK:
    21493939
    Number of Poles:
    3
    Current Rating:
    30 A
    Voltage Rating:
    120 VAC
    Country of Origin:
    Dominican Republic
    MSRP $120.91
    Surplus $12.44
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $120.91
    Surplus $12.44
    See Availability
  • Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs) Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs)
    See Availability
    Quick view

    Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs)

    MSRP $994.00
    Surplus $426.95
    SKU:  C15-11451 Brand:  Cutler-Hammer MPN:  BR370 UPC:   Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In. Product...
    SKU:
    C15-11451
    TS PIK:
    21493900
    Number of Poles:
    3
    Wire Size:
    4 to 1/0 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
    Used On:
    Type BR Load Center
    Voltage Rating:
    240 VAC
    Type:
    Common Trip
    Series:
    BR
    Mounting:
    Plug-On
    Current Rating:
    70 A
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    Size:
    1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
    Interrupting Rating:
    10 kA at 240 VAC
    Approval:
    UL 489
    Country of Origin:
    Dominican Republic
    MSRP $994.00
    Surplus $426.95
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $994.00
    Surplus $426.95
    See Availability
  • Cutler-Hammer CA3175 Miniature Circuit Breakers (MCBs) NULL Cutler-Hammer CA3175 Miniature Circuit Breakers (MCBs) NULL
    See Availability
    Quick view

    Cutler-Hammer CA3175 Miniature Circuit Breakers (MCBs) NULL

    MSRP $5,297.00
    Surplus $1,659.00
    SKU:  C15-6749 Brand:  Cutler-Hammer MPN:  CA3175 UPC:   Shipping Weight:  4.00 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-6749
    Short Description:
    240 VAC, 175 A, 10 kA, 3-Pole, Line and Load Terminal, CA Frame, Fixed Trip, Thermal Magnetic, Molded Case, Non-Interchangeable Trip Circuit Breaker
    Series:
    CA
    Type:
    Molded Case, Fixed Trip, Thermal Magnetic
    Interrupting Rating:
    10 kA at 240 VAC
    Terminal Type:
    Line and Load Terminal
    Number of Poles:
    3
    Current Rating:
    175 A
    Voltage Rating:
    240 VAC
    Catalog:
    Eaton_36656_8_CAT.pdf
    Size:
    4.13 Inch W x 2.69 Inch D x 6.5 Inch H
    Approval:
    UL
    Frame Type:
    CA
    Maximum AC Voltage Rating:
    240
    Country of Origin:
    United States
    MSRP $5,297.00
    Surplus $1,659.00
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $5,297.00
    Surplus $1,659.00
    See Availability
  • Cutler-Hammer HMCP015E0CA02 Motor Circuit Protector (MCPs) NULL EA Cutler-Hammer HMCP015E0CA02 Motor Circuit Protector (MCPs) NULL EA
    See Availability
    Quick view

    Cutler-Hammer HMCP015E0CA02 Motor Circuit Protector (MCPs) NULL EA

    MSRP $2,729.00
    Surplus $169.56
    SKU:  C15-6835 Brand:  Cutler-Hammer MPN:  HMCP015E0CA02 UPC:  78667924790 Shipping Weight:  4.55 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping...
    SKU:
    C15-6835
    TS PIK:
    109649485
    Number of Poles:
    3
    Voltage Rating:
    600 VAC, 250 VDC
    Frame Type:
    F
    Short Description:
    600 VAC, 250 VDC, 15 A, 3-Pole, 45 to 150 A Trip, NEMA 0, Non-Aluminum Terminal, F Frame, Molded Case, Magnetic, Motor Circuit Protector with (1) Left Auxiliary Switch
    Maximum DC Voltage Rating:
    250 V
    Series:
    C, HMCP
    Type:
    Molded Case, Magnetic
    Catalog:
    Eaton_46579_V4T2_254_V4T2_255_V4T2_394_V4T2_395_V4T2_398_V4T2_415_CAT.pdf
    Terminal Type:
    Non-Aluminum Line and Load Terminal
    Maximum AC Voltage Rating:
    600 V
    CAD Drawings:
    Eaton_00054_1-9_CAD.pdf
    Current Rating:
    15 A
    Installation/Operator:
    Eaton_00176_INST.pdf
    Country of Origin:
    Dominican Republic
    Approval:
    UL 489, CSA C22.2, CE
    Trip Setting:
    45 to 150 A
    Starter Size:
    NEMA 0
    Motor FLA:
    3.4 to 12.6 A
    MSRP $2,729.00
    Surplus $169.56
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,729.00
    Surplus $169.56
    See Availability
  • Cutler-Hammer KT3300T Trip Units Cutler-Hammer KT3300T Trip Units
    See Availability
    Quick view

    Cutler-Hammer KT3300T Trip Units

    MSRP $1,216.84
    Surplus $220.82
    SKU:  A13-1256 Brand:  Cutler-Hammer MPN:  KT3300T UPC:  786679266076 Shipping Weight:  1.50 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00...
    SKU:
    A13-1256
    Accessory Type:
    Trip Unit
    Adjustment:
    Magnetic Trip
    Approval:
    UL
    Amps:
    300 A
    Frame:
    K
    Poles:
    3
    Type:
    Thermal Magnetic
    Short Description:
    300 A, 3-Pole, K Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
    Series:
    C
    Specification/Technical:
    Eaton_08724_1_2_SPEC.pdf
    Catalog:
    Eaton_27487_V4T2_299_V4T2_300_V4T2_302_CAT.pdf
    Current Rating:
    300 A
    Number of Poles:
    3
    Frame Type:
    K
    TS PIK:
    21507993
    Country of Origin:
    Dominican Republic
    MSRP $1,216.84
    Surplus $220.82
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,216.84
    Surplus $220.82
    See Availability
  • Cutler-Hammer LT3600T Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Cutler-Hammer LT3600T Molded Case Breakers (MCCBs)

    MSRP $4,307.00
    Surplus $619.14
    SKU:  A13-1196 Brand:  Cutler-Hammer MPN:  LT3600T UPC:  786679580080 Shipping Weight:  2.35 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00...
    SKU:
    A13-1196
    Accessory Type:
    Trip Unit
    Adjustment:
    Magnetic Trip
    Approval:
    UL
    Approval:
    CE
    Amps:
    600 A
    Frame:
    LD
    Poles:
    3
    Type:
    Thermal Magnetic
    Short Description:
    600 A, 3-Pole, LD/HLD/LDC Frame, Thermal Magnetic, Molded Case Circuit Breaker Trip Unit
    Series:
    C
    Specification/Technical:
    Eaton_08954_1_2_SPEC.pdf
    Installation/Operator:
    Eaton_00487_INST.pdf
    TS PIK:
    21513708
    Frame Type:
    LD
    Number of Poles:
    3
    Current Rating:
    600 A
    Catalog:
    Eaton_27487_V4T2_324_V4T2_326_V4T2_484_CAT.pdf
    Country of Origin:
    United States
    MSRP $4,307.00
    Surplus $619.14
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $4,307.00
    Surplus $619.14
    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.