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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  • Eaton 1MMBPJ Circuit Breaker Accessories
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    Eaton 1MMBPJ Circuit Breaker Accessories

    MSRP $216.16
    Surplus $61.21
    SKU:  C15-11665 Brand:  Eaton MPN:  1MMBPJ UPC:   Shipping Weight:  0.15 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  1.00 In. Product...
    SKU:
    C15-11665
    Series:
    1MM
    Catalog:
    Eaton_36620_V1T4_139_CAT.pdf
    Short Description:
    Plug-On, Jumper for 125/200 A Socket 1MP/1MM/3MM Modular Metering Stack
    Country of Origin:
    United States
    MSRP $216.16
    Surplus $61.21
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    Qty in Cart: 0
    Price:
    MSRP $216.16
    Surplus $61.21
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  • Eaton 1MMCBK Circuit Breaker Accessories Eaton 1MMCBK Circuit Breaker Accessories
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    Eaton 1MMCBK Circuit Breaker Accessories

    MSRP $275.84
    Surplus $79.31
    Eaton 1MMCBK Circuit Breaker Accessories​ ARCA SKU:  C15-3238 Brand:  Eaton MPN:  1MMCBK UPC:  786685676036 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-3238
    Short Description:
    EATON METER STACK MOUNTING HARDWARE, REPLACEMENT MOUNTING HARDWARE, 1MP, 1MM, AN
    TS PIK:
    124993038
    Country of Origin:
    United States
    MSRP $275.84
    Surplus $79.31
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    Qty in Cart: 0
    Price:
    MSRP $275.84
    Surplus $79.31
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    Eaton 20RES14T Rating Plug Fixed 1400A R Frame Eaton 20RES14T Rating Plug Fixed 1400A R Frame
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    Eaton 20RES14T Rating Plug Fixed 1400A R Frame

    MSRP $348.00
    Surplus $156.60
    Eaton 20RES14T Rating Plug Fixed 1400A R Frame​ ARCA SKU:  A13-1061 Brand:  Eaton MPN:  20RES14T UPC:  786679581452 Shipping Weight:  0.07 lbs. Shipping Height:  1.60 In. Shipping...
    SKU:
    A13-1061
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG, RATING PLUG, 1400 A, FR
    Amps:
    1400 A
    Type:
    Fixed
    Frame Type:
    R
    MSRP $348.00
    Surplus $156.60
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    Qty in Cart: 0
    Price:
    MSRP $348.00
    Surplus $156.60
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  • Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit
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    Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit

    MSRP $15.00
    Surplus $4.20
    Eaton 21C6782G05 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU:  C15-4417 Brand:  Eaton MPN:  21C6782G05 UPC:   Shipping Weight:  0.10 Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-4417
    Type:
    Mounting Screw Kit
    MSRP $15.00
    Surplus $4.20
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    Qty in Cart: 0
    Price:
    MSRP $15.00
    Surplus $4.20
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  • Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit
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    Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit

    MSRP $32.50
    Surplus $17.13
    Eaton 21C6782G18 Circuit Breaker Accessories Mounting Screw Kit​ ARCA SKU:  C15-3551 Brand:  Eaton MPN:  21C6782G18 UPC:  786679990018 Shipping Weight:  0.05 Shipping Height:  0.20 In. Shipping...
    SKU:
    C15-3551
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKERS ELECTRICAL AFTERMARKET ACCESSORY BASE MOUNTIN
    Country of Origin:
    United States
    MSRP $32.50
    Surplus $17.13
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    Qty in Cart: 0
    Price:
    MSRP $32.50
    Surplus $17.13
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    Eaton 25RES16T Circuit Breaker Accessories EA
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    Eaton 25RES16T Circuit Breaker Accessories EA

    MSRP $442.51
    Surplus $228.60
    Eaton 25RES16T Circuit Breaker Accessories EA​ ARCA SKU:  C15-9455 Brand:  Eaton MPN:  25RES16T UPC:  78667958175 Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-9455
    TS PIK:
    107004995
    MSRP $442.51
    Surplus $228.60
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    Qty in Cart: 0
    Price:
    MSRP $442.51
    Surplus $228.60
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  • Eaton 25RES20T Rating Plug Fixed 2000A R Frame EA Eaton 25RES20T Rating Plug Fixed 2000A R Frame EA
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    Eaton 25RES20T Rating Plug Fixed 2000A R Frame EA

    MSRP $348.00
    Surplus $243.39
    Eaton 25RES20T Rating Plug Fixed 2000A R Frame EA​ ARCA SKU:  A13-1064 Brand:  Eaton MPN:  25RES20T UPC:  786679581704 Shipping Weight:  0.05 lbs. Shipping Height:  1.70 In. Shipping...
    SKU:
    A13-1064
    Frame:
    RG
    Frame:
    J-K
    Amps:
    2500 A
    Amps:
    2000 A
    Specification/Technical:
    Eaton_04182_1_2_SPEC.pdf
    TS PIK:
    107004994
    Frame Type:
    RG, J-K
    Plug Current Rating:
    2000 A
    Maximum Breaker Current Rating:
    2500 A
    MSRP $348.00
    Surplus $243.39
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    Qty in Cart: 0
    Price:
    MSRP $348.00
    Surplus $243.39
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  • Eaton 25RES25T Rating Plug Fixed 2500A R Frame Eaton 25RES25T Rating Plug Fixed 2500A R Frame
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    Eaton 25RES25T Rating Plug Fixed 2500A R Frame

    MSRP $327.46
    Surplus $58.94
    Eaton 25RES25T Rating Plug Fixed 2500A R Frame​ ARCA SKU:  A13-1074 Brand:  Eaton MPN:  25RES25T UPC:  786679581650 Shipping Weight:  0.08 lbs. Shipping Height:  1.60 In. Shipping...
    SKU:
    A13-1074
    Type:
    RMS 310 Digitrip
    Frame Type:
    RG
    Frame Type:
    J-K
    Plug Current Rating:
    2500 A
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG, RATING PLUG, 2500 A, FR
    Country of Origin:
    United States
    MSRP $327.46
    Surplus $58.94
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    Qty in Cart: 0
    Price:
    MSRP $327.46
    Surplus $58.94
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  • Eaton 2600D26G02 Circuit Breaker Accessories EA Eaton 2600D26G02 Circuit Breaker Accessories EA
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    Eaton 2600D26G02 Circuit Breaker Accessories EA

    MSRP $226.01
    Surplus $52.37
    Eaton 2600D26G02 Circuit Breaker Accessories EA​ ARCA SKU:  C15-8830 Brand:  Eaton MPN:  2600D26G02 UPC:  78667983120 Shipping Weight:  1.10 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8830
    Country of Origin:
    United States
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY PANELBOARD CONNECTING STRAP, PANELBO
    MSRP $226.01
    Surplus $52.37
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    Qty in Cart: 0
    Price:
    MSRP $226.01
    Surplus $52.37
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  • Eaton 2606D58G19 Circuit Breaker Accessories
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    Eaton 2606D58G19 Circuit Breaker Accessories

    MSRP $3,117.19
    Surplus $829.40
    SKU:  C15-9529 Brand:  Eaton MPN:  2606D58G19 UPC:  78667993605 Shipping Weight:  0.50 lbs. Shipping Height:  6.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-9529
    TS PIK:
    21517621
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKERS ELECTRICAL AFTERMARKET ACCESSORY SHUNT TRIP,
    Country of Origin:
    United States
    MSRP $3,117.19
    Surplus $829.40
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    Qty in Cart: 0
    Price:
    MSRP $3,117.19
    Surplus $829.40
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  • Eaton 291479 Bus Plugs and Busway Bus Bar Eaton 291479 Bus Plugs and Busway Bus Bar
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    Eaton 291479 Bus Plugs and Busway Bus Bar

    MSRP $42.00
    Surplus $8.20
    Eaton 291479 Bus Plugs and Busway Bus Bar​ ARCA SKU:  L19-2456 Brand:  Eaton MPN:  291479 UPC:  015082914794 Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    L19-2456
    Short Description:
    EATON MOELLER SERIES XPOLE - BUSBAR. EV BUSBARS 1PH., 2.5HP, FOR AUXILIARY CONTA
    MSRP $42.00
    Surplus $8.20
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    Qty in Cart: 0
    Price:
    MSRP $42.00
    Surplus $8.20
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  • Eaton 291483 Bus Plugs and Busway Bus Bar 480V 2Ph Eaton 291483 Bus Plugs and Busway Bus Bar 480V 2Ph
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    Eaton 291483 Bus Plugs and Busway Bus Bar 480V 2Ph

    MSRP $125.00
    Surplus $40.91
    Eaton 291483 Bus Plugs and Busway Bus Bar 480V 2Ph​ ARCA SKU:  L19-2113 Brand:  Eaton MPN:  291483 UPC:  015082914831 Shipping Weight:  0.10 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    L19-2113
    Short Description:
    EATON MOELLER SERIES XPOLE - BUSBAR. EV BUSBARS 2PH., 7HP, FOR AUXILIARY CONTACT
    Country of Origin:
    Germany
    MSRP $125.00
    Surplus $40.91
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    Qty in Cart: 0
    Price:
    MSRP $125.00
    Surplus $40.91
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  • Eaton 291489 Circuit Breaker Accessories EA
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    Eaton 291489 Circuit Breaker Accessories EA

    MSRP $249.48
    Surplus $46.50
    Eaton 291489 Circuit Breaker Accessories EA​ ARCA SKU:  C15-9391 Brand:  Eaton MPN:  291489 UPC:  1508291489 Shipping Weight:  0.25 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-9391
    TS PIK:
    124503751
    Short Description:
    EATON MOELLER SERIES XPOLE - BUSBAR. EV BUSBARS 3PH., 13HP, FOR AUXILIARY CONTAC
    Country of Origin:
    Germany
    MSRP $249.48
    Surplus $46.50
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    Qty in Cart: 0
    Price:
    MSRP $249.48
    Surplus $46.50
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    Eaton 2A10850G01 Circuit Breaker Accessories Trip Unit Cover Eaton 2A10850G01 Circuit Breaker Accessories Trip Unit Cover
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    Eaton 2A10850G01 Circuit Breaker Accessories Trip Unit Cover

    MSRP $285.00
    Surplus $62.34
    Eaton 2A10850G01 Circuit Breaker Accessories Trip Unit Cover​ ARCA SKU:  C15-4704 Brand:  Eaton MPN:  2A10850G01 UPC:   Shipping Weight:  0.55 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-4704
    Type:
    Trip Unit Cover
    MSRP $285.00
    Surplus $62.34
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    Qty in Cart: 0
    Price:
    MSRP $285.00
    Surplus $62.34
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    Eaton 2A10851G01 Circuit Breaker Accessories Fixed Breaker Mounting Feet Kit Eaton 2A10851G01 Circuit Breaker Accessories Fixed Breaker Mounting Feet Kit
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    Eaton 2A10851G01 Circuit Breaker Accessories Fixed Breaker Mounting Feet Kit

    MSRP $171.00
    Surplus $147.92
    Eaton 2A10851G01 Circuit Breaker Accessories Fixed Breaker Mounting Feet Kit​ ARCA SKU:  C15-3500 Brand:  Eaton MPN:  2A10851G01 UPC:  786685492964 Shipping Weight:  2.05 Shipping Height:  4.00...
    SKU:
    C15-3500
    Short Description:
    EATON MAGNUM MOUNTING KIT, UNIVERSAL FRAME
    MSRP $171.00
    Surplus $147.92
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    Qty in Cart: 0
    Price:
    MSRP $171.00
    Surplus $147.92
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  • Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism
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    Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism

    MSRP $210.00
    Surplus $77.96
    Eaton 2A10894G02 Circuit Breaker Accessories Levering Mechanism​ ARCA SKU:  C15-3407 Brand:  Eaton MPN:  2A10894G02 UPC:  786685493251 Shipping Weight:  0.90 Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-3407
    Short Description:
    EATON MAGNUM LEVERING MECHANISM, UNIVERSAL, MAGNUM, UNIVERSAL, UNIVERSAL AMPERAG
    MSRP $210.00
    Surplus $77.96
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    Qty in Cart: 0
    Price:
    MSRP $210.00
    Surplus $77.96
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    Eaton 2A10895G01 Circuit Breaker Accessories Magnum Cover
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    Eaton 2A10895G01 Circuit Breaker Accessories Magnum Cover

    MSRP $640.00
    Surplus $334.94
    SKU:  C15-2992 Brand:  Eaton MPN:  2A10895G01 UPC:  786685493268 Shipping Weight:  0.60 lbs. Shipping Height:  2.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-2992
    Short Description:
    EATON MAGNUM COVER, UNIVERSAL, MAGNUM, UNIVERSAL, FOR: BREAKER COVERS
    MSRP $640.00
    Surplus $334.94
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    Qty in Cart: 0
    Price:
    MSRP $640.00
    Surplus $334.94
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    Eaton 2A10898G52 Circuit Breaker Accessories Moving Contact Kit 3P 4000A For Magnum Breakers Eaton 2A10898G52 Circuit Breaker Accessories Moving Contact Kit 3P 4000A For Magnum Breakers
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    Eaton 2A10898G52 Circuit Breaker Accessories Moving Contact Kit 3P 4000A For Magnum Breakers

    MSRP $2,939.81
    Surplus $566.61
    SKU:  C15-2074 Brand:  Eaton MPN:  2A10898G52 UPC:  7866 Shipping Weight:  3.35 lbs. Shipping Height:  4.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-2074
    Amps:
    4000 A
    Poles:
    3
    MSRP $2,939.81
    Surplus $566.61
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    Qty in Cart: 0
    Price:
    MSRP $2,939.81
    Surplus $566.61
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    Eaton 2A11772G01 Circuit Breaker Accessories EA

    MSRP $1,137.50
    Surplus $409.50
    SKU:  C15-9599 Brand:  Eaton MPN:  2A11772G01 UPC:  78668964728 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9599
    TS PIK:
    128806199
    MSRP $1,137.50
    Surplus $409.50
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    Qty in Cart: 0
    Price:
    MSRP $1,137.50
    Surplus $409.50
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    Eaton 2A11799G10 Trip Units 11ARM 4000A 600V 50/60Hz Eaton 2A11799G10 Trip Units 11ARM 4000A 600V 50/60Hz
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    Eaton 2A11799G10 Trip Units 11ARM 4000A 600V 50/60Hz

    MSRP $4,354.00
    Surplus $1,738.37
    SKU:  A13-1142 Brand:  Eaton MPN:  2A11799G10 UPC:  782116053384 Shipping Weight:  0.95 lbs. Shipping Height:  2.00 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1142
    Short Description:
    EATON MAGNUM TRIP UNIT REPLACEMENTS AND TESTERS, MAGNUM, UNIVERSAL, DIGITRIP 520
    Volts:
    600 V
    Amps:
    4000 A
    Operating Frequency:
    50/60 Hz
    Type:
    11ARM
    MSRP $4,354.00
    Surplus $1,738.37
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    Qty in Cart: 0
    Price:
    MSRP $4,354.00
    Surplus $1,738.37
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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.