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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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    Siemens ED42B080L Molded Case Breakers (MCCBs) ED 2P 80A 480V 50/60Hz 1Ph ED Frame Siemens ED42B080L Molded Case Breakers (MCCBs) ED 2P 80A 480V 50/60Hz 1Ph ED Frame
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    Siemens ED42B080L Molded Case Breakers (MCCBs) ED 2P 80A 480V 50/60Hz 1Ph ED Frame

    MSRP $1,155.00
    Surplus $386.56
    SKU:  C15-2435 Brand:  Siemens MPN:  ED42B080L UPC:  783643314856 Shipping Weight:  2.70 lbs. Shipping Height:  3.00 In. Shipping Length:  6.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-2435
    Type:
    Molded Case
    Type:
    Thermal and Fixed Magnetic
    Approval:
    UL 489
    Size:
    2 Inch W x 4.56 Inch D x 6.35 Inch H
    Volts:
    480 VAC at 50/60 Hz
    Volts:
    250 VDC
    Amps:
    80 A
    Used On:
    Panelboard
    Poles:
    2
    Mounting:
    Plug-In
    Interrupting Rating:
    65 kA at 480 VAC
    Interrupting Rating:
    300 kA at 250 VDC
    Terminal Type:
    Line Lug
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    480 VAC 50/60 Hz, 250 VDC, 80 A at 40 Deg C, 18 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    MSRP $1,155.00
    Surplus $386.56
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    Price:
    MSRP $1,155.00
    Surplus $386.56
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    Siemens ED43B070L Molded Case Breakers (MCCBs) ED 3P 70A 480V 50/60Hz 3Ph ED Frame EA Siemens ED43B070L Molded Case Breakers (MCCBs) ED 3P 70A 480V 50/60Hz 3Ph ED Frame EA
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    Siemens ED43B070L Molded Case Breakers (MCCBs) ED 3P 70A 480V 50/60Hz 3Ph ED Frame EA

    MSRP $1,401.00
    Surplus $161.76
    SKU:  C15-3781 Brand:  Siemens MPN:  ED43B070L UPC:  783643236202 Shipping Weight:  3.80 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-3781
    Series:
    ED4
    Type:
    Molded Case
    Type:
    Thermal and Fixed Magnetic
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Size:
    3 Inch W x 4.56 Inch D x 6.35 Inch H
    Volts:
    480 VAC at 50/60 Hz (UL)
    Amps:
    70 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Poles:
    3
    Mounting:
    Plug-In
    Interrupting Rating:
    65 kA at 240 VAC
    Interrupting Rating:
    18 kA at 480 VAC (UL)
    Terminal Type:
    Line Lug
    Wire Size:
    10 to 1/0 AWG (Copper/Aluminum)
    Short Description:
    480 VAC 50/60 Hz, 70 A at 40 Deg C, 18 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Line/Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Voltage Rating:
    480 VAC at 50/60 Hz (UL)
    Number of Poles:
    3
    Current Rating:
    70 A
    Country of Origin:
    Mexico
    MSRP $1,401.00
    Surplus $161.76
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    Qty in Cart: 0
    Price:
    MSRP $1,401.00
    Surplus $161.76
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    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph
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    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph

    MSRP $79.00
    Surplus $53.59
    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-4047 Brand:  Siemens MPN:  MP115DF UPC:  887621817244 Shipping Weight:  0.30 Shipping Height:  1.00...
    SKU:
    C15-4047
    Approval:
    UL 1699/943
    Size:
    3 Inch W x 1 Inch D x 4.5 Inch H
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Application:
    HACR
    Application:
    120 VAC Fluorescent Lighting
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Poles:
    1
    Short Description:
    120 VAC, 15 A, 10 kA, 1-Pole, Plug-In Mount, MP-GAT2 Frame, AFCI/GFCI
    Data Sheet:
    SiemensAG_06571_1_DATA.pdf
    MSRP $79.00
    Surplus $53.59
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    Qty in Cart: 0
    Price:
    MSRP $79.00
    Surplus $53.59
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    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph
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    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph

    MSRP $181.00
    Surplus $53.96
    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph​ ARCA SKU:  C15-3970 Brand:  Siemens MPN:  MP130GF UPC:  040892522259 Shipping Weight:  1.05 Shipping Height:  3.00...
    SKU:
    C15-3970
    Type:
    Circuit Interrupter
    Approval:
    UL 489/943
    Approval:
    CSA C22.2
    Size:
    1 Inch W x 2.66 Inch D x 2.84 Inch H
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Trip Sensitivity:
    5 Milliampere
    Short Description:
    120 VAC, 30 A, 10 kA, 5 mA, 1-Pole, Plug-In Mount, MP-GT Frame, GFCI, Personal Protect
    Catalog:
    SiemensAG_01825_1_3_CAT.pdf
    Data Sheet:
    SiemensAG_06580_1_DATA.pdf
    MSRP $181.00
    Surplus $53.96
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    Qty in Cart: 0
    Price:
    MSRP $181.00
    Surplus $53.96
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    Siemens MP1515N Miniature Circuit Breakers (MCBs) MP 1P 15A 120/240V 60Hz Siemens MP1515N Miniature Circuit Breakers (MCBs) MP 1P 15A 120/240V 60Hz
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    Siemens MP1515N Miniature Circuit Breakers (MCBs) MP 1P 15A 120/240V 60Hz

    MSRP $235.80
    Surplus $48.09
    Siemens MP1515N Miniature Circuit Breakers (MCBs) MP 1P 15A 120/240V 60Hz​ ARCA SKU:  C15-2426 Brand:  Siemens MPN:  MP1515N UPC:  040892280630 Shipping Weight:  0.36 Shipping Height:  3.50 In...
    SKU:
    C15-2426
    Type:
    Duplex
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 8 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Short Description:
    120 V, 15/15 A, 10 kA, 1-Pole, Load Lug Terminal, MH-T Frame, Thermal Magnetic, Low Voltage, Miniature
    Data Sheet:
    SiemensAG_01518_1_DATA.pdf
    MSRP $235.80
    Surplus $48.09
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    Qty in Cart: 0
    Price:
    MSRP $235.80
    Surplus $48.09
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    Siemens MP1520 Miniature Circuit Breakers (MCBs) MP 1P 15/20A 120/240V 60Hz Siemens MP1520 Miniature Circuit Breakers (MCBs) MP 1P 15/20A 120/240V 60Hz
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    Siemens MP1520 Miniature Circuit Breakers (MCBs) MP 1P 15/20A 120/240V 60Hz

    MSRP $120.00
    Surplus $23.48
    Siemens MP1520 Miniature Circuit Breakers (MCBs) MP 1P 15/20A 120/240V 60Hz​ ARCA SKU:  C15-2425 Brand:  Siemens MPN:  MP1520 UPC:  040892521993 Shipping Weight:  0.36 Shipping Height:  3.50 In...
    SKU:
    C15-2425
    Type:
    Duplex
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 8 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Short Description:
    120 VAC, 15/20 A, 10 kA, (2) 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, Plug-In Mount, MH-T Frame, Duplex, Thermal Magnetic Trip Unit
    Data Sheet:
    SiemensAG_06586_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    MSRP $120.00
    Surplus $23.48
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    Qty in Cart: 0
    Price:
    MSRP $120.00
    Surplus $23.48
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    Siemens MP320 Miniature Circuit Breakers (MCBs) MP 3P 20A 240V Siemens MP320 Miniature Circuit Breakers (MCBs) MP 3P 20A 240V
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    Siemens MP320 Miniature Circuit Breakers (MCBs) MP 3P 20A 240V

    MSRP $512.10
    Surplus $71.01
    SKU:  C15-4186 Brand:  Siemens MPN:  MP320 UPC:  04089223780 Shipping Weight:  0.90 lbs. Shipping Height:  3.40 In. Shipping Length:  3.00 In. Shipping Width:  3.70 In...
    SKU:
    C15-4186
    Series:
    MP-T
    Type:
    Common Trip
    Approval:
    UL
    Size:
    3 Inch W x 3 Inch D x 3 1/8 Inch H
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    3
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    16 to 14 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit
    Data Sheet:
    SiemensAG_06646_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    MSRP $512.10
    Surplus $71.01
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    Qty in Cart: 0
    Price:
    MSRP $512.10
    Surplus $71.01
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    Siemens MP390 Miniature Circuit Breakers (MCBs) MP 3P 90A 240V
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    Siemens MP390 Miniature Circuit Breakers (MCBs) MP 3P 90A 240V

    MSRP $653.00
    Surplus $147.92
    Siemens MP390 Miniature Circuit Breakers (MCBs) MP 3P 90A 240V​ ARCA SKU:  C15-3394 Brand:  Siemens MPN:  MP390 UPC:  040892238709 Shipping Weight:  1.05 Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-3394
    Series:
    MP-T
    Type:
    Common Trip
    Approval:
    UL
    Size:
    3 Inch W x 3 Inch D x 3 1/8 Inch H
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    3
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    8 to 2/0 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 90 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit
    Data Sheet:
    SiemensAG_06657_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    MSRP $653.00
    Surplus $147.92
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    Qty in Cart: 0
    Price:
    MSRP $653.00
    Surplus $147.92
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    Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph
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    Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph

    MSRP $383.00
    Surplus $60.59
    Siemens Q2100P Miniature Circuit Breakers (MCBs) Q 2P 100A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-2634 Brand:  Siemens MPN:  Q2100P UPC:  040892179392 Shipping Weight:  0.70 Shipping Height:  3.00 In...
    SKU:
    C15-2634
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Size:
    2 Inch Width x 3 Inch Length x 3 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    Load Center Mains
    Used On:
    Feeders
    Poles:
    2
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Short Description:
    3" x 2" x 3", 120/240 VAC, 100 A, 10 kA Interrupt Rating, 2-Pole, Plug-in Mount
    Catalog:
    SiemensAG_00020_99_CAT.pdf
    Data Sheet:
    SiemensAG_00160_1_DATA.pdf
    MSRP $383.00
    Surplus $60.59
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    Qty in Cart: 0
    Price:
    MSRP $383.00
    Surplus $60.59
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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.