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 MP150 Miniature Circuit Breakers (MCBs) Murray MP150 Miniature Circuit Breakers (MCBs)
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    Murray MP150 Miniature Circuit Breakers (MCBs)

    MSRP $53.09
    Surplus $10.11
    Murray MP150 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8240 Brand:  Murray MPN:  MP150 UPC:  04089251900 Shipping Weight:  3.20 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8240
    TS PIK:
    21261830
    Voltage Rating:
    120 VAC
    Series:
    MP-T
    Size:
    1 Inch W x 3 Inch D x 3 1/8 Inch H
    Short Description:
    120 VAC, 50 A, 10 kA, 1-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Terminal Type:
    Load Lug
    Number of Poles:
    1
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Current Rating:
    50 A
    Used On:
    Loadcenter
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Data Sheet:
    SiemensAG_06584_1_DATA.pdf
    Country of Origin:
    Mexico
    MSRP $53.09
    Surplus $10.11
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    Qty in Cart: 0
    Price:
    MSRP $53.09
    Surplus $10.11
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    Murray MP250 Miniature Circuit Breakers (MCBs)
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    Murray MP250 Miniature Circuit Breakers (MCBs)

    MSRP $197.25
    Surplus $40.21
    Murray MP250 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8861 Brand:  Murray MPN:  MP250 UPC:  04089251898 Shipping Weight:  0.80 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-8861
    TS PIK:
    115407723
    Short Description:
    120/240 V, 50 A, 10 kA, 2-Pole, Load Lug Terminal, MP-T Frame, Thermal Magnetic, Low Vage, Miniature, Circuit Breaker
    Type:
    Common Trip
    Mounting:
    Plug-On
    Voltage Rating:
    120/240 VAC
    Data Sheet:
    SiemensAG_01526_1_DATA.pdf
    Used On:
    Loadcenter
    Current Rating:
    50 A
    Interrupting Rating:
    10 kA
    Number of Poles:
    2
    Size:
    2 Inch W x 3 Inch D x 3 1/8 Inch H
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Series:
    MP-T
    Terminal Type:
    Load Lug
    MSRP $197.25
    Surplus $40.21
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    Qty in Cart: 0
    Price:
    MSRP $197.25
    Surplus $40.21
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    Murray MP350 Miniature Circuit Breakers (MCBs)
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    Murray MP350 Miniature Circuit Breakers (MCBs)

    MSRP $697.12
    Surplus $250.97
    Murray MP350 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6332 Brand:  Murray MPN:  MP350 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0...
    SKU:
    C15-6332
    Short Description:
    240 VAC, 50 A, 10 kA, 3-Pole, Plug-On Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Series:
    MP-T
    Voltage Rating:
    240 VAC
    Terminal Type:
    Load Lug
    Type:
    Common Trip
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Used On:
    Loadcenter
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Mounting:
    Plug-On
    Number of Poles:
    3
    Data Sheet:
    SiemensAG_06653_1_DATA.pdf
    Current Rating:
    50 A
    Size:
    3 Inch W x 3 Inch D x 3 1/8 Inch H
    Interrupting Rating:
    10 kA
    MSRP $697.12
    Surplus $250.97
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    Qty in Cart: 0
    Price:
    MSRP $697.12
    Surplus $250.97
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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 $199.09
    Surplus $27.55
    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 $199.09
    Surplus $27.55
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $199.09
    Surplus $27.55
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