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
  • Contact Us For Quote
    Quick view

    Eaton SBSC303HEA-30CMN-MNN4E-NNNFX Molded Case Breakers (MCCBs) EA

    MSRP $1,000.00
    Surplus $865.88
    SKU:  C15-11037 Brand:  Eaton MPN:  SBSC303HEA-30CMN-MNN4E-NNNFX UPC:   Shipping Weight:  135.00 lbs. Shipping Height:  17.00 In. Shipping Length:  17.00 In. Shipping...
    SKU:
    C15-11037
    MSRP $1,000.00
    Surplus $865.88
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,000.00
    Surplus $865.88
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SBSC303WEA301CCNAN6YPANAX Molded Case Breakers (MCCBs) SBSC 3P 3000A 240V 50/60Hz 3Ph Eaton SBSC303WEA301CCNAN6YPANAX Molded Case Breakers (MCCBs) SBSC 3P 3000A 240V 50/60Hz 3Ph
    Quick view

    Eaton SBSC303WEA301CCNAN6YPANAX Molded Case Breakers (MCCBs) SBSC 3P 3000A 240V 50/60Hz 3Ph

    MSRP $31,000.00
    Surplus $6,629.41
    SKU:  C15-1987 Brand:  Eaton MPN:  SBSC303WEA301CCNAN6YPANAX UPC:   Shipping Weight:  95.00 lbs. Shipping Height:  20.00 In. Shipping Length:  20.00 In. Shipping Width:  20...
    SKU:
    C15-1987
    Frame Type:
    NAX
    Voltage Rating:
    240 V
    Current Rating:
    3000 A
    Number of Poles:
    3
    Short Description:
    SBSC 3P 3000A 240V 50/60Hz 3Ph
    MSRP $31,000.00
    Surplus $6,629.41
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $31,000.00
    Surplus $6,629.41
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SF-438449 Trip Units JT 3P 150A 600V
    Quick view

    Eaton SF-438449 Trip Units JT 3P 150A 600V

    MSRP $2,350.00
    Surplus $846.00
    SKU:  A13-1286 Brand:  Eaton MPN:  SF-438449 UPC:   Shipping Weight:  0.90 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  3.00 In. Product...
    SKU:
    A13-1286
    Poles:
    3
    Volts:
    600 V
    Amps:
    150 A
    Type:
    JT
    Series:
    C Series
    MSRP $2,350.00
    Surplus $846.00
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,350.00
    Surplus $846.00
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SMCU150FD Circuit Breaker Accessories Handle Mechanism J-K Frame Eaton SMCU150FD Circuit Breaker Accessories Handle Mechanism J-K Frame
    Quick view

    Eaton SMCU150FD Circuit Breaker Accessories Handle Mechanism J-K Frame

    MSRP $284.50
    Surplus $127.31
    Eaton SMCU150FD Circuit Breaker Accessories Handle Mechanism J-K Frame​ ARCA SKU:  C15-3326 Brand:  Eaton MPN:  SMCU150FD UPC:  786679808498 Shipping Weight:  1.10 Shipping Height:  5.00 In...
    SKU:
    C15-3326
    Series:
    C, SM
    Enclosure:
    NEMA 1
    Accessory Type:
    Operating Mechanism
    Switch Type:
    Molded Case
    Breaker Type:
    F Frame
    Handle Type:
    Linear
    Handle Included:
    Yes
    Handle to Device Connection:
    Shaft
    Handle Mounting Location:
    Center
    Short Description:
    F Frame, Molded Case Switch, Linear
    Catalog:
    Eaton_03653_V12T3_103_CAT.pdf
    MSRP $284.50
    Surplus $127.31
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $284.50
    Surplus $127.31
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SMCU400KD Circuit Breaker Accessories MC Eaton SMCU400KD Circuit Breaker Accessories MC
    Quick view

    Eaton SMCU400KD Circuit Breaker Accessories MC

    MSRP $390.00
    Surplus $208.74
    Eaton SMCU400KD Circuit Breaker Accessories MC​ ARCA SKU:  C15-3581 Brand:  Eaton MPN:  SMCU400KD UPC:  786679808474 Shipping Weight:  4.40 Shipping Height:  5.00 In. Shipping...
    SKU:
    C15-3581
    Series:
    MC
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HANDLE MECHANISM, TYPE MC HANDLE MEC
    MSRP $390.00
    Surplus $208.74
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $390.00
    Surplus $208.74
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SNT024CPK Circuit Breaker Accessories 24V Eaton SNT024CPK Circuit Breaker Accessories 24V
    Quick view

    Eaton SNT024CPK Circuit Breaker Accessories 24V

    MSRP $1,050.00
    Surplus $363.22
    SKU:  C15-2837 Brand:  Eaton MPN:  SNT024CPK UPC:  786685934778 Shipping Weight:  1.00 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-2837
    Series:
    SNT
    Type:
    Standard
    Approval:
    UL
    Used On:
    EGEDC/EGSDC/EGHDC/JGEDC/JGSDC/JGHDC/LGEDC/LGSDC/LGHDC Breaker
    AC Voltage Rating:
    24 Volt AC
    Accessory Type:
    Shut Trip
    DC Voltage Rating:
    24 Volt DC
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hertz
    Mounting Location:
    Left Pole
    Short Description:
    24 VAC/VDC, 29" Pigtail Lead Connection, Left Pole Mount, Standard
    Catalog:
    Eaton_46579_V4T2_27_V4T2_248_V4T2_487_V4T2_495_V4T2_520_CAT.pdf
    Installation/Operator:
    Eaton_00720_INST.pdf
    Manufacturer Warranty:
    Eaton_00013_WARR.pdf
    MSRP $1,050.00
    Surplus $363.22
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,050.00
    Surplus $363.22
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SNT125DPK Circuit Breaker Accessories Shunt Trip Device 125VDC 50/60Hz Eaton SNT125DPK Circuit Breaker Accessories Shunt Trip Device 125VDC 50/60Hz
    Quick view

    Eaton SNT125DPK Circuit Breaker Accessories Shunt Trip Device 125VDC 50/60Hz

    MSRP $1,250.00
    Surplus $465.57
    Eaton SNT125DPK Circuit Breaker Accessories Shunt Trip Device 125VDC 50/60Hz​ ARCA SKU:  C15-2146 Brand:  Eaton MPN:  SNT125DPK UPC:  786685581446 Shipping Weight:  0.25 Shipping Height:  4.00...
    SKU:
    C15-2146
    Series:
    SNT
    Type:
    Standard
    Approval:
    UL
    Accessory Type:
    Shut Trip
    DC Voltage Rating:
    125 Volt DC
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hertz
    Mounting Location:
    Left Pole
    Short Description:
    110 to 125 VDC, 29" Pigtail Lead Connection, Left Pole Mount, Standard
    Catalog:
    Eaton_46579_V4T2_27_V4T2_248_CAT.pdf
    Installation/Operator:
    Eaton_00720_INST.pdf
    Manufacturer Warranty:
    Eaton_00013_WARR.pdf
    MSRP $1,250.00
    Surplus $465.57
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,250.00
    Surplus $465.57
    Contact Us For Quote
  • Eaton SNT1LT08K Shunt Trips
    See Availability
    Quick view

    Eaton SNT1LT08K Shunt Trips

    MSRP $1,455.35
    Surplus $1,091.51
    SKU:  A13-1574 Brand:  Eaton MPN:  SNT1LT08K UPC:   Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In. Product...
    SKU:
    A13-1574
    DC Voltage Rating:
    48 to 60 V
    Type:
    AC/DC
    Frequency Rating:
    50/60 Hz
    AC Voltage Rating:
    48 to 127 V
    Used On:
    HMCP C Series F Frame Molded Case Circuit Breaker
    Mounting Location:
    Left Pole
    Connection Type:
    Terminal Block
    Installation/Operator:
    Eaton_00806_INST.pdf
    Catalog:
    Eaton_03771_V4T2_385_V4T2_400_CAT.pdf
    Country of Origin:
    Dominican Republic
    MSRP $1,455.35
    Surplus $1,091.51
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,455.35
    Surplus $1,091.51
    See Availability
  • Eaton SNT1RP12K Shunt Trips 240V F Frame Eaton SNT1RP12K Shunt Trips 240V F Frame
    See Availability
    Quick view

    Eaton SNT1RP12K Shunt Trips 240V F Frame

    MSRP $850.00
    Surplus $357.75
    SKU:  A13-1010 Brand:  Eaton MPN:  SNT1RP12K UPC:  786679803622 Shipping Weight:  0.20 lbs. Shipping Height:  2.00 In. Shipping Length:  3.00 In. Shipping Width:  2.00 In...
    SKU:
    A13-1010
    AC Voltage:
    208 to 380 V
    Approval:
    UL
    Connection Type:
    Pigtail Lead
    DC Voltage:
    110 to 127 V
    Frequency Rating:
    50/60 Hz
    Mounting Location:
    Right/Neutral Pole
    Type:
    AC/DC
    Used On:
    HMCP C Series F Frame Molded Case Circuit Breaker
    Used On:
    KT Thermal Magnetic Trip
    Specification/Technical:
    Eaton_60670_1_2_SPEC.pdf
    Installation/Operator:
    Eaton_00806_INST.pdf
    AC Voltage Rating:
    208 to 380 V
    DC Voltage Rating:
    110 to 127 V
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP FACTORY INSTA
    Catalog:
    Eaton_03771_V4T2_385_CAT.pdf
    Country of Origin:
    Dominican Republic
    MSRP $850.00
    Surplus $357.75
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $850.00
    Surplus $357.75
    See Availability
  • Contact Us For Quote
    Eaton SNT1RP18K Shunt Trips 600V 50/60Hz F Series C Eaton SNT1RP18K Shunt Trips 600V 50/60Hz F Series C
    Quick view

    Eaton SNT1RP18K Shunt Trips 600V 50/60Hz F Series C

    MSRP $1,015.00
    Surplus $228.38
    Eaton SNT1RP18K Shunt Trips 600V 50/60Hz F Series C​ ARCA SKU:  A13-1236 Brand:  Eaton MPN:  SNT1RP18K UPC:  786679553206 Shipping Weight:  0.35 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    A13-1236
    Type:
    AC/DC
    Approval:
    UL
    Used On:
    HMCP C Series F Frame Molded Case Circuit Breaker
    Used On:
    KT Thermal Magnetic Trip
    AC Voltage Rating:
    415 to 600 Volt
    DC Voltage Rating:
    220 to 250 Volt
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hertz
    Mounting Location:
    Right/Neutral Pole
    Catalog:
    Eaton_03771_V4T2_385_CAT.pdf
    Installation/Operator:
    Eaton_00806_INST.pdf
    MSRP $1,015.00
    Surplus $228.38
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,015.00
    Surplus $228.38
    Contact Us For Quote
  • Eaton SNT1RT08K Shunt Trips
    See Availability
    Quick view

    Eaton SNT1RT08K Shunt Trips

    MSRP $1,455.35
    Surplus $256.69
    SKU:  C15-11242 Brand:  Eaton MPN:  SNT1RT08K UPC:  78667955358 Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-11242
    TS PIK:
    107004609
    Country of Origin:
    Dominican Republic
    MSRP $1,455.35
    Surplus $256.69
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,455.35
    Surplus $256.69
    See Availability
  • Eaton SNT2P11K Shunt Trips Left or Right Mouting 240V J Frame Eaton SNT2P11K Shunt Trips Left or Right Mouting 240V J Frame
    See Availability
    Quick view

    Eaton SNT2P11K Shunt Trips Left or Right Mouting 240V J Frame

    MSRP $1,152.80
    Surplus $448.21
    SKU:  A13-1012 Brand:  Eaton MPN:  SNT2P11K UPC:  786679860007 Shipping Weight:  0.40 lbs. Shipping Height:  3.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1012
    Type:
    Molded Case
    Type:
    Shunt Trip
    Approval:
    UL
    Used On:
    J-Frame HMCP Breaker
    AC Voltage Rating:
    110 to 240 VAC
    DC Voltage Rating:
    110 to 125 VDC
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hertz
    Mounting Location:
    Left
    Mounting Location:
    Right
    Short Description:
    110 to 240 VAC 50/60 Hz, 110 to 125 VDC, 66 VA, Pigtail Lead Connection, Left/Right/Neutral Pole Mount
    Catalog:
    Eaton_46579_V4T2_420_V4T2_435_V4T2_487_V4T2_520_CAT.pdf
    Installation/Operator:
    Eaton_00624_INST.pdf
    MSRP $1,152.80
    Surplus $448.21
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,152.80
    Surplus $448.21
    See Availability
  • Eaton SNT2RB11 Trip Unit/UVR/Shunt Trip Accessories EA Eaton SNT2RB11 Trip Unit/UVR/Shunt Trip Accessories EA
    See Availability
    Quick view

    Eaton SNT2RB11 Trip Unit/UVR/Shunt Trip Accessories EA

    MSRP $1,158.66
    Surplus $185.38
    Eaton SNT2RB11 Trip Unit/UVR/Shunt Trip Accessories EA​ ARCA SKU:  A13-1356 Brand:  Eaton MPN:  SNT2RB11 UPC:  00786679860007 Shipping Weight:  0.45 lbs. Shipping Height:  3.00 In...
    SKU:
    A13-1356
    MSRP $1,158.66
    Surplus $185.38
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,158.66
    Surplus $185.38
    See Availability
  • Eaton SNT3P11K Shunt Trips Eaton SNT3P11K Shunt Trips
    See Availability
    Quick view

    Eaton SNT3P11K Shunt Trips

    MSRP $1,500.00
    Surplus $266.44
    SKU:  A13-1013 Brand:  Eaton MPN:  SNT3P11K UPC:  786679391655 Shipping Weight:  0.40 lbs. Shipping Height:  2.00 In. Shipping Length:  4.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1013
    Series:
    SNT
    Type:
    Remote
    Approval:
    UL
    Used On:
    K Frame HMCP Breaker
    AC Voltage Rating:
    110/240 V
    Accessory Type:
    Shut Trip
    DC Voltage Rating:
    110 to 125 V
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hz
    Mounting Location:
    Left/Right/Neutral Pole
    Short Description:
    110 to 240 VAC, 110 to 125 VDC 50/60 Hz, Pigtail Lead, Left/Right/Neutral Pole Mount, Remote
    Catalog:
    Eaton_27487_V4T2_420_V4T2_436_CAT.pdf
    TS PIK:
    107002696
    Country of Origin:
    Dominican Republic
    MSRP $1,500.00
    Surplus $266.44
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,500.00
    Surplus $266.44
    See Availability
  • Eaton SNT3P18K Shunt Trips 600V 50/60Hz Eaton SNT3P18K Shunt Trips 600V 50/60Hz
    See Availability
    Quick view

    Eaton SNT3P18K Shunt Trips 600V 50/60Hz

    MSRP $1,100.00
    Surplus $172.98
    Eaton SNT3P18K Shunt Trips 600V 50/60Hz​ ARCA SKU:  A13-1014 Brand:  Eaton MPN:  SNT3P18K UPC:   Shipping Weight:  0.40 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In...
    SKU:
    A13-1014
    Type:
    Field Mount
    Type:
    AC
    Approval:
    UL
    Used On:
    HMCP C Series K Frame Molded Case Circuit Breaker
    Used On:
    KT Thermal Magnetic Trip
    AC Voltage Rating:
    480 to 600 V
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hz
    Mounting Location:
    Left/Right/Neutral Pole
    Catalog:
    Eaton_03771_V4T2_386_V4T2_402_CAT.pdf
    Installation/Operator:
    Eaton_00625_INST.pdf
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP FACTORY INSTA
    Country of Origin:
    Dominican Republic
    MSRP $1,100.00
    Surplus $172.98
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,100.00
    Surplus $172.98
    See Availability
  • Eaton SNT3T04K Shunt Trips
    See Availability
    Quick view

    Eaton SNT3T04K Shunt Trips

    MSRP $1,453.92
    Surplus $510.78
    SKU:  C15-11221 Brand:  Eaton MPN:  SNT3T04K UPC:  78667924948 Shipping Weight:  0.40 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-11221
    TS PIK:
    107000154
    Short Description:
    12 to 24 VAC/VDC, 50/60 Hz, 164 VA, Terminal Block Connection, Left/Right/Neutral Pole Mount, Shunt Trip for HMCP K-Frame Molded Case Circuit Breaker
    Type:
    Shunt Trip Factory Installation Kit
    Catalog:
    Eaton_46579_V4T2_420_V4T2_436_CAT.pdf
    DC Voltage Rating:
    12 to 24 V
    Connection Type:
    Terminal Block
    AC Voltage Rating:
    12 to 24 V
    Series:
    C
    Used On:
    K-Frame HMCP Breaker
    Mounting Location:
    Left/Right Pole
    Installation/Operator:
    Eaton_00625_INST.pdf
    Power Rating:
    164 V A
    Approval:
    UL
    Frequency Rating:
    50/60 Hz
    Country of Origin:
    Dominican Republic
    MSRP $1,453.92
    Surplus $510.78
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,453.92
    Surplus $510.78
    See Availability
  • Contact Us For Quote
    Eaton SNT3T11K Shunt Trips 240V K Frame Eaton SNT3T11K Shunt Trips 240V K Frame
    Quick view

    Eaton SNT3T11K Shunt Trips 240V K Frame

    MSRP $1,018.00
    Surplus $229.05
    Eaton SNT3T11K Shunt Trips 240V K Frame​ ARCA SKU:  A13-1138 Brand:  Eaton MPN:  SNT3T11K UPC:  786679562062 Shipping Weight:  0.40 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    A13-1138
    Volts:
    240 V
    Frame Type:
    K
    MSRP $1,018.00
    Surplus $229.05
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,018.00
    Surplus $229.05
    Contact Us For Quote
  • Eaton SNT480CPK Trip Unit/UVR/Shunt Trip Accessories 600V 50/60Hz Eaton SNT480CPK Trip Unit/UVR/Shunt Trip Accessories 600V 50/60Hz
    See Availability
    Quick view

    Eaton SNT480CPK Trip Unit/UVR/Shunt Trip Accessories 600V 50/60Hz

    MSRP $900.00
    Surplus $218.24
    Eaton SNT480CPK Trip Unit/UVR/Shunt Trip Accessories 600V 50/60Hz​ ARCA SKU:  A13-1158 Brand:  Eaton MPN:  SNT480CPK UPC:  782116197736 Shipping Weight:  0.25 lbs. Shipping Height:  4.00...
    SKU:
    A13-1158
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP, 380-600 V, E
    Volts:
    600 V
    Operating Frequency:
    50/60 Hz
    Type:
    CIRCUIT BREAKER SHUNT TRIP
    MSRP $900.00
    Surplus $218.24
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $900.00
    Surplus $218.24
    See Availability

Adding your products to cart

View Cart Continue Shopping

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.