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
  • Square D QO390 Miniature Circuit Breakers (MCBs)

    Square D QO390 Miniature Circuit Breakers (MCBs)

    MSRP $395.28
    Surplus $105.30
    Square D QO390 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6591 Brand:  Square D MPN:  QO390 UPC:  78590100440 Shipping Weight:  1.10 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6591
    TS PIK:
    109595133
    Terminal Type:
    Box Lug
    Interrupting Rating:
    10 kA
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
    Mounting:
    Plug-On
    Data Sheet:
    SchneiderElectric-SquareD_53614_1_2_DATA.pdf
    Number of Poles:
    3
    Short Description:
    120/240 VAC 50/60 Hz, 90 A, 10 kA Interrupt, 3-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
    Series:
    QO
    Size:
    2.24 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
    Type:
    Common Trip, Miniature, Standard
    Wire Size:
    4 to 2/0 AWG (Copper/Aluminum)
    Current Rating:
    90 A
    Voltage Rating:
    120/240 VAC 50/60 Hertz
    Used On:
    QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
    Installation/Operator:
    SchneiderElectric-SquareD_01265_INST.pdf
    Country of Origin:
    Mexico
    Approval:
    UL, CSA
    MSRP $395.28
    Surplus $105.30
    Qty in Cart: 0
    Price:
    MSRP $395.28
    Surplus $105.30
  • Eaton CH3090 Miniature Circuit Breakers (MCBs) CH 3P 90A 240V 50/60Hz 3Ph EA Eaton CH3090 Miniature Circuit Breakers (MCBs) CH 3P 90A 240V 50/60Hz 3Ph EA

    Eaton CH3090 Miniature Circuit Breakers (MCBs) CH 3P 90A 240V 50/60Hz 3Ph EA

    MSRP $680.00
    Surplus $292.60
    Eaton CH3090 Miniature Circuit Breakers (MCBs) CH 3P 90A 240V 50/60Hz 3Ph EA​ ARCA SKU:  C15-3739 Brand:  Eaton MPN:  CH3090 UPC:  782113102399 Shipping Weight:  0.90 lbs. Shipping...
    SKU:
    C15-3739
    Series:
    CH
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Approval:
    UL 489
    Approval:
    CSA
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    CH Series Load Center
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 90 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
    Catalog:
    Eaton_00071_V1T1_36_V1T1_37_CAT.pdf
    TS PIK:
    531282
    Current Rating:
    90 A
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Country of Origin:
    Dominican Republic
    MSRP $680.00
    Surplus $292.60
    Qty in Cart: 0
    Price:
    MSRP $680.00
    Surplus $292.60
  • Contact Us For Quote
    Eaton BR390ST Miniature Circuit Breakers (MCBs)

    Eaton BR390ST Miniature Circuit Breakers (MCBs)

    MSRP $1,037.00
    Surplus $360.43
    SKU:  C15-1271 Brand:  Eaton MPN:  BR390ST UPC:  786676003476 Shipping Weight:  1.30 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-1271
    TS PIK:
    115785821
    Type:
    Thermal Magnetic, Common Trip
    Interrupting Rating:
    10 kA
    Current Rating:
    90 A
    Wire Size:
    4 to 1/0 AWG (Aluminum/Copper)
    Used On:
    BR Series Loadcenter
    Approval:
    UL 489
    Catalog:
    Eaton_36620_V1T1_84_CAT.pdf
    Mounting:
    Plug-On
    Number of Poles:
    3
    Short Description:
    240 VAC, 90 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic, Circuit Breaker
    Voltage Rating:
    240 VAC
    Series:
    BR
    MSRP $1,037.00
    Surplus $360.43
    Qty in Cart: 0
    Price:
    MSRP $1,037.00
    Surplus $360.43
  • Siemens ED43B090 Everything Else 3P 90A

    Siemens ED43B090 Everything Else 3P 90A

    MSRP $2,297.00
    Surplus $930.29
    SKU:  C15-7556 Brand:  Siemens MPN:  ED43B090 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-7556
    TS PIK:
    120152300
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    480 VAC 50/60 Hz, 90 A, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Series:
    ED4
    Terminal Type:
    Load Lug
    Country of Origin:
    MEX
    Number of Poles:
    3
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Size:
    3 Inch W x 4.56 Inch D x 6.35 Inch H
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Approval:
    UL 489, CSA C22.2
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Voltage Rating:
    480 VAC at 50/60 Hz (UL)
    Current Rating:
    90 A
    Mounting:
    Plug-On
    Interrupting Rating:
    65 kA at 240 VAC, 18 kA at 480 VAC (UL)
    MSRP $2,297.00
    Surplus $930.29
    Qty in Cart: 0
    Price:
    MSRP $2,297.00
    Surplus $930.29
  • Contact Us For Quote
    Siemens Q390 Molded Case Breakers (MCCBs)

    Siemens Q390 Molded Case Breakers (MCCBs)

    MSRP $88.66
    Surplus $23.94
    SKU:  C15-19057 Brand:  Siemens MPN:  Q390 UPC:  66286200439 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-19057
    Voltage Rating:
    240 V
    Number of Poles:
    3
    Country of Origin:
    MEX
    Current Rating:
    90 A
    Size:
    3.7 Inch Width x 12.8 Inch Depth x 3.4 Inch Height
    Type:
    Thermal Magnetic, Common Trip
    Approval:
    UL 489
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Data Sheet:
    SiemensAG_07076_1_DATA.pdf
    Short Description:
    240 VAC, 90 A, 10 kA, 3-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Mounting:
    Plug-On
    Used On:
    Load Centre Main, Feeder
    Interrupting Rating:
    10 kA
    MSRP $88.66
    Surplus $23.94
    Qty in Cart: 0
    Price:
    MSRP $88.66
    Surplus $23.94
  • Contact Us For Quote
    Siemens Q39000S01 Molded Case Breakers (MCCBs)

    Siemens Q39000S01 Molded Case Breakers (MCCBs)

    MSRP $273.36
    Surplus $73.81
    SKU:  C15-19058 Brand:  Siemens MPN:  Q39000S01 UPC:  78364323767 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-19058
    Size:
    3 Inch W x 3 Inch D x 3-1/8 Inch H
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Number of Poles:
    3
    Wire Size:
    8 to 2/0 AWG (Copper/Aluminum)
    Terminal Type:
    Load Lug
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Short Description:
    240 VAC, 90 A, 10 kA, 3-Pole, 8 to 2/0 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
    Data Sheet:
    SiemensAG_07077_1_DATA.pdf
    Used On:
    Loadcenter
    Interrupting Rating:
    10 kA
    Country of Origin:
    MEX
    Current Rating:
    90 A
    Approval:
    UL 489, CSA C22.2
    Type:
    Thermal and Fixed Magnetic, Common Trip
    Voltage Rating:
    240 VAC at 50/60 Hz
    Mounting:
    Plug-On
    MSRP $273.36
    Surplus $73.81
    Qty in Cart: 0
    Price:
    MSRP $273.36
    Surplus $73.81
  • Contact Us For Quote
    Square D QO3901021 Molded Case Breakers (MCCBs)

    Square D QO3901021 Molded Case Breakers (MCCBs)

    MSRP $836.00
    Surplus $225.72
    SKU:  C15-17808 Brand:  Square D MPN:  QO3901021 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-17808
    Number of Poles:
    3
    Terminal Type:
    Box Lug
    Short Description:
    120/240 VAC 50/60 Hz, 90 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
    Interrupting Rating:
    10 kA
    Current Rating:
    90 A
    Type:
    Common Trip, Thermal Magnetic
    Wire Size:
    4 to 2/0 AWG (Aluminum/Copper)
    Mounting:
    Plug-On
    Data Sheet:
    SchneiderElectric-SquareD_15075_1_2_DATA.pdf
    Size:
    2.25 Inch W x 2.91 Inch D x 3 Inch H
    CAD Drawings:
    SchneiderElectric-SquareD_17845_1_CAD.pdf
    Catalog:
    SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
    Used On:
    QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
    Voltage Rating:
    240 VAC at 50/60 Hz
    Approval:
    UL, CSA
    MSRP $836.00
    Surplus $225.72
    Qty in Cart: 0
    Price:
    MSRP $836.00
    Surplus $225.72
  • Contact Us For Quote
    Square D QO390VH Molded Case Breakers (MCCBs)

    Square D QO390VH Molded Case Breakers (MCCBs)

    MSRP $996.00
    Surplus $146.35
    SKU:  U00-8582 Brand:  Square D MPN:  QO390VH UPC:  78590112061 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-8582
    Wire Size:
    4 to 2/0 AWG (Copper/Aluminum)
    Used On:
    QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
    Series:
    QO
    Installation/Operator:
    SchneiderElectric-SquareD_01265_INST.pdf
    Short Description:
    120/240 VAC 50/60 Hz, 90 A, 22 kA Interrupt, 3-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
    Number of Poles:
    3
    Type:
    Common Trip, Miniature, Standard
    Approval:
    UL, CSA
    Voltage Rating:
    120/240 VAC 50/60 Hertz
    Interrupting Rating:
    22 kA
    Terminal Type:
    Box Lug
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
    Mounting:
    Plug-On
    Data Sheet:
    SchneiderElectric-SquareD_53615_1_2_DATA.pdf
    Current Rating:
    90 A
    Size:
    2.24 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
    MSRP $996.00
    Surplus $146.35
    Qty in Cart: 0
    Price:
    MSRP $996.00
    Surplus $146.35

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.