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 MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA
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    Murray MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA

    MSRP $512.10
    Surplus $49.46
    Murray MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA​ ARCA SKU:  C15-6310 Brand:  Murray MPN:  MP320 UPC:  30040892237802 Shipping Weight:  2.90 lbs. Shipping Height:  3.00...
    SKU:
    C15-6310
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Size:
    3 Inch W x 3 Inch D x 3 1/8 Inch H
    Terminal Type:
    Load Lug
    Interrupting Rating:
    10 kA
    Series:
    MP-T
    Voltage Rating:
    240 VAC
    Current Rating:
    20 A
    Data Sheet:
    SiemensAG_06646_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Used On:
    Loadcenter
    Wire Size:
    16 to 14 AWG (Copper/Aluminum)
    Mounting:
    Plug-On
    Type:
    Common Trip
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $512.10
    Surplus $49.46
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    Qty in Cart: 0
    Price:
    MSRP $512.10
    Surplus $49.46
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    Murray MP120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA
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    Murray MP120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA

    MSRP $39.00
    Surplus $8.29
    Murray MP120 Miniature Circuit Breakers (MCBs) 1P 20A 50/60Hz 1Ph EA​ ARCA SKU:  C15-6292 Brand:  Murray MPN:  MP120 UPC:  04089251889 Shipping Weight:  0.40 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-6292
    TS PIK:
    21029780
    Interrupting Rating:
    10 kA
    Size:
    1 Inch W x 3 Inch D x 3 1/8 Inch H
    Series:
    MP-T
    Current Rating:
    20 A
    Number of Poles:
    1
    Data Sheet:
    SiemensAG_01515_1_DATA.pdf
    Wire Size:
    16 to 14 AWG (Copper/Aluminum)
    Terminal Type:
    Load Lug
    Used On:
    Loadcenter
    Short Description:
    120 V, 20 A, 10 kA, 1-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
    Mounting:
    Plug-On
    Voltage Rating:
    120 VAC
    Country of Origin:
    Mexico
    MSRP $39.00
    Surplus $8.29
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    Qty in Cart: 0
    Price:
    MSRP $39.00
    Surplus $8.29
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  • Murray MP2020 Miniature Circuit Breakers (MCBs) 120V Murray MP2020 Miniature Circuit Breakers (MCBs) 120V
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    Murray MP2020 Miniature Circuit Breakers (MCBs) 120V

    MSRP $141.75
    Surplus $57.20
    Murray MP2020 Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU:  C15-4042 Brand:  Murray MPN:  MP2020 UPC:  04089228110 Shipping Weight:  0.35 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4042
    Series:
    MP
    Type:
    Thermal Magnetic
    Type:
    Duplex
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-On
    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, 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_06589_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    TS PIK:
    21029422
    Number of Poles:
    1
    Voltage Rating:
    120 VAC
    Current Rating:
    20 A
    Country of Origin:
    Mexico
    MSRP $141.75
    Surplus $57.20
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    Qty in Cart: 0
    Price:
    MSRP $141.75
    Surplus $57.20
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    Murray MP120GF Miniature Circuit Breakers (MCBs) EA
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    Murray MP120GF Miniature Circuit Breakers (MCBs) EA

    MSRP $181.00
    Surplus $48.58
    Murray MP120GF Miniature Circuit Breakers (MCBs) EA​ ARCA SKU:  C15-6287 Brand:  Murray MPN:  MP120GF UPC:  04089227815 Shipping Weight:  0.45 lbs. Shipping Height:  3.50 In. Shipping...
    SKU:
    C15-6287
    TS PIK:
    120072461
    Short Description:
    120 V, 20 A, 10 kA, 1-Pole, Plug-In, MP-GT, MP-HGT, Class A, Feeder, Miniature, Ground Fault, Circuit Breaker
    Terminal Type:
    Load Lug
    Number of Poles:
    1
    Type:
    Circuit Interrupter
    Voltage Rating:
    120 VAC
    Data Sheet:
    SiemensAG_01517_1_DATA.pdf
    Current Rating:
    20 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Used On:
    Loadcenter
    Wire Size:
    14 to 10 AWG (Copper), 12 to 8 AWG (Aluminum)
    Size:
    1 Inch W x 2.66 Inch D x 2.84 Inch H
    Country of Origin:
    Philippines
    MSRP $181.00
    Surplus $48.58
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    Qty in Cart: 0
    Price:
    MSRP $181.00
    Surplus $48.58
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    Murray MP220 Miniature Circuit Breakers (MCBs)
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    Murray MP220 Miniature Circuit Breakers (MCBs)

    MSRP $144.90
    Surplus $30.98
    Murray MP220 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6300 Brand:  Murray MPN:  MP220 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0...
    SKU:
    C15-6300
    TS PIK:
    21029785
    Terminal Type:
    Load Lug
    Current Rating:
    20 A
    Number of Poles:
    2
    Wire Size:
    16 to 14 AWG (Aluminum/Copper)
    Type:
    Common Trip
    Interrupting Rating:
    10 kA
    Used On:
    Loadcenter
    Size:
    2 Inch W x 3 Inch D x 3-1/8 Inch H
    Data Sheet:
    SiemensAG_01523_1_DATA.pdf
    Mounting:
    Plug-On
    Short Description:
    120/240 V, 20 A, 10 kA, 2-Pole, MP-T Frame, Circuit Breaker
    Series:
    Type MP-T
    Voltage Rating:
    120/240 VAC
    MSRP $144.90
    Surplus $30.98
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    Qty in Cart: 0
    Price:
    MSRP $144.90
    Surplus $30.98
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  • Murray MQ120 Miniature Circuit Breakers (MCBs) 1P 20A
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    Murray MQ120 Miniature Circuit Breakers (MCBs) 1P 20A

    MSRP $70.20
    Surplus $16.85
    Murray MQ120 Miniature Circuit Breakers (MCBs) 1P 20A​ ARCA SKU:  C15-6315 Brand:  Murray MPN:  MQ120 UPC:  04089252815 Shipping Weight:  4.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6315
    TS PIK:
    120072352
    Data Sheet:
    SiemensAG_06676_1_DATA.pdf
    Interrupting Rating:
    10 kA
    Current Rating:
    20 A
    Mounting:
    Plug-On
    Short Description:
    20 A, 10 kA, 1-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
    Type:
    Common Trip
    Voltage Rating:
    120 VAC
    Number of Poles:
    1
    Used On:
    Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
    Country of Origin:
    Mexico
    MSRP $70.20
    Surplus $16.85
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    Qty in Cart: 0
    Price:
    MSRP $70.20
    Surplus $16.85
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  • Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A
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    Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A

    MSRP $139.05
    Surplus $26.49
    Murray MQ220 Miniature Circuit Breakers (MCBs) 2P 20A​ ARCA SKU:  C15-6317 Brand:  Murray MPN:  MQ220 UPC:  04089252820 Shipping Weight:  3.70 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-6317
    TS PIK:
    120071665
    Short Description:
    20 A, 10 kA, 2-Pole, 3/4" Format, MSQ Frame, Circuit Breaker
    Type:
    Common Trip
    Current Rating:
    20 A
    Number of Poles:
    2
    Mounting:
    Plug-On
    Used On:
    Loadcenter, Type QO Circuit Breaker, Type QO Panelboard
    Interrupting Rating:
    10 kA
    Data Sheet:
    SiemensAG_06682_1_DATA.pdf
    Voltage Rating:
    120/240 V
    Country of Origin:
    Mexico
    MSRP $139.05
    Surplus $26.49
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    Qty in Cart: 0
    Price:
    MSRP $139.05
    Surplus $26.49
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