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
  • 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
  • Eaton SNT4LP11K Shunt Trips 120V EA
    See Availability
    Quick view

    Eaton SNT4LP11K Shunt Trips 120V EA

    MSRP $700.00
    Surplus $496.09
    Eaton SNT4LP11K Shunt Trips 120V EA​ ARCA SKU:  A13-1120 Brand:  Eaton MPN:  SNT4LP11K UPC:  786679575062 Shipping Weight:  0.40 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    A13-1120
    Series:
    SNT
    Type:
    Remote
    Approval:
    UL
    Used On:
    L/M Frame Molded Case Circuit Breaker
    AC Voltage Rating:
    110/240 V
    Accessory Type:
    Shut Trip
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hz
    Mounting Location:
    Left Pole
    Short Description:
    110 to 240 VAC 50/60 Hz, Pigtail Lead, Left Pole Mount, Remote
    Catalog:
    Eaton_27487_V4T2_421_V4T2_487_CAT.pdf
    Country of Origin:
    United States
    MSRP $700.00
    Surplus $496.09
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $700.00
    Surplus $496.09
    See Availability
  • Eaton SNT4RP11K Circuit Breaker Accessories Shunt Trip Device 240V 50/60Hz L-F Frame
    See Availability
    Quick view

    Eaton SNT4RP11K Circuit Breaker Accessories Shunt Trip Device 240V 50/60Hz L-F Frame

    MSRP $1,300.00
    Surplus $496.09
    SKU:  C15-1414 Brand:  Eaton MPN:  SNT4RP11K UPC:  786679575079 Shipping Weight:  0.45 lbs. Shipping Height:  3.00 In. Shipping Length:  5.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-1414
    AC Voltage:
    110 to 240 V
    Approval:
    UL
    Connection Type:
    Pigtail Lead
    Frequency Rating:
    50/60 Hertz
    Mounting Location:
    Right Pole
    Power:
    0
    Type:
    Fixed
    Type:
    Field Mount
    Type:
    AC
    Used On:
    HMCP C Series L/M Frame Molded Case Circuit Breaker
    Specification/Technical:
    Eaton_60676_1_2_SPEC.pdf
    Installation/Operator:
    Eaton_00486_INST.pdf
    Catalog:
    Eaton_03771_V4T2_387_CAT.pdf
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, FIXED SHUNT TRIP, 110-24
    Country of Origin:
    United States
    MSRP $1,300.00
    Surplus $496.09
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,300.00
    Surplus $496.09
    See Availability
  • Eaton SNT4RP18K Circuit Breaker Accessories
    See Availability
    Quick view

    Eaton SNT4RP18K Circuit Breaker Accessories

    MSRP $1,553.00
    Surplus $530.87
    SKU:  C15-9857 Brand:  Eaton MPN:  SNT4RP18K UPC:  78211462191 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9857
    TS PIK:
    115844540
    Country of Origin:
    United States
    MSRP $1,553.00
    Surplus $530.87
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,553.00
    Surplus $530.87
    See Availability
  • Eaton SNT4RT11K Circuit Breaker Accessories
    See Availability
    Quick view

    Eaton SNT4RT11K Circuit Breaker Accessories

    MSRP $1,552.86
    Surplus $529.27
    SKU:  C15-9530 Brand:  Eaton MPN:  SNT4RT11K UPC:  78667901819 Shipping Weight:  0.45 lbs. Shipping Height:  4.00 In. Shipping Length:  4.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-9530
    TS PIK:
    110574796
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, FIXED SHUNT TRIP, 110-24
    Country of Origin:
    United States
    MSRP $1,552.86
    Surplus $529.27
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,552.86
    Surplus $529.27
    See Availability
  • Eaton SNT5LP03K Circuit Breaker Accessories 9-24VAC 50/60Hz NG Frame Eaton SNT5LP03K Circuit Breaker Accessories 9-24VAC 50/60Hz NG Frame
    See Availability
    Quick view

    Eaton SNT5LP03K Circuit Breaker Accessories 9-24VAC 50/60Hz NG Frame

    MSRP $1,082.12
    Surplus $543.97
    SKU:  C15-2104 Brand:  Eaton MPN:  SNT5LP03K UPC:  786678262604 Shipping Weight:  0.46 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-2104
    Series:
    SNT
    Type:
    Standard
    Approval:
    UL
    Used On:
    NG Frame Circuit 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, 50/60 Hz, 48 VA, Pigtail Lead Connection, Left Pole Mount, Standard
    Catalog:
    Eaton_46579_V4T2_248_V4T2_422_V4T2_438_V4T2_475_CAT.pdf
    Manufacturer Warranty:
    Eaton_00013_WARR.pdf
    Country of Origin:
    United States
    MSRP $1,082.12
    Surplus $543.97
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,082.12
    Surplus $543.97
    See Availability
  • Eaton SNT5LP18K Circuit Breaker Accessories EA
    See Availability
    Quick view

    Eaton SNT5LP18K Circuit Breaker Accessories EA

    MSRP $1,515.00
    Surplus $598.51
    SKU:  C15-9858 Brand:  Eaton MPN:  SNT5LP18K UPC:  78667826270 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9858
    TS PIK:
    106994803
    Country of Origin:
    United States
    MSRP $1,515.00
    Surplus $598.51
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,515.00
    Surplus $598.51
    See Availability
  • Contact Us For Quote
    Eaton SNT6P05K Circuit Breaker Accessories 48/60VAC 50/60Hz RG Eaton SNT6P05K Circuit Breaker Accessories 48/60VAC 50/60Hz RG
    Quick view

    Eaton SNT6P05K Circuit Breaker Accessories 48/60VAC 50/60Hz RG

    MSRP $1,525.57
    Surplus $478.83
    SKU:  C15-2102 Brand:  Eaton MPN:  SNT6P05K UPC:  786679556788 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-2102
    Volts:
    48/60 VAC
    Frequency Rating:
    50/60 Hz
    Frame:
    RG
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP, PIGTAIL LEAD
    MSRP $1,525.57
    Surplus $478.83
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,525.57
    Surplus $478.83
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SNT6P11K Circuit Breaker Accessories EA
    Quick view

    Eaton SNT6P11K Circuit Breaker Accessories EA

    MSRP $2,000.00
    Surplus $728.96
    SKU:  C15-9859 Brand:  Eaton MPN:  SNT6P11K UPC:  78667942053 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9859
    TS PIK:
    107003281
    MSRP $2,000.00
    Surplus $728.96
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $728.96
    Contact Us For Quote
  • Contact Us For Quote
    Eaton SNT6P23K Circuit Breaker Accessories 48/60VDC RG Eaton SNT6P23K Circuit Breaker Accessories 48/60VDC RG
    Quick view

    Eaton SNT6P23K Circuit Breaker Accessories 48/60VDC RG

    MSRP $1,525.57
    Surplus $690.00
    SKU:  C15-2101 Brand:  Eaton MPN:  SNT6P23K UPC:  786679556801 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-2101
    Volts:
    48/60 VDC
    Frame:
    RG
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY SHUNT TRIP, SHUNT TRIP, PIGTAIL LEAD
    MSRP $1,525.57
    Surplus $690.00
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,525.57
    Surplus $690.00
    Contact Us For Quote
  • Contact Us For Quote
    Quick view

    Eaton SPHM1RM0008 Miniature Circuit Breakers (MCBs) 1P 8A 50/60Hz 1Ph EA

    MSRP $180.00
    Surplus $70.44
    Eaton SPHM1RM0008 Miniature Circuit Breakers (MCBs) 1P 8A 50/60Hz 1Ph EA​ ARCA SKU:  C15-5022 Brand:  Eaton MPN:  SPHM1RM0008 UPC:  78667900265 Shipping Weight:  0.45 lbs. Shipping...
    SKU:
    C15-5022
    MSRP $180.00
    Surplus $70.44
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $180.00
    Surplus $70.44
    Contact Us For Quote
  • Eaton SPHM2RM0035 Din Rail Mounted Circuit Breakers EA
    See Availability
    Quick view

    Eaton SPHM2RM0035 Din Rail Mounted Circuit Breakers EA

    MSRP $412.40
    Surplus $310.33
    Eaton SPHM2RM0035 Din Rail Mounted Circuit Breakers EA​ ARCA SKU:  C15-5220 Brand:  Eaton MPN:  SPHM2RM0035 UPC:  786679754405 Shipping Weight:  0.70 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-5220
    Series:
    SPHM
    Type:
    Hydraulic Magnetic
    Approval:
    UL
    Approval:
    CSA
    Approval:
    CE
    Size:
    1.48 Inch Width x 2.32 Inch Depth x 4.14 Inch Height
    Volts:
    250 VAC at 50/60 Hertz
    Amps:
    32 A
    Poles:
    2
    Mounting:
    DIN Rail
    Interrupting Rating:
    5 kA
    Short Description:
    250 VAC 50/60 Hz, 35 A, 2-Pole, Hydraulic Magnetic
    Manufacturer Warranty:
    Eaton_00013_WARR.pdf
    Number of Poles:
    2
    Voltage Rating:
    250 VAC
    Current Rating:
    35 A
    Country of Origin:
    United States
    MSRP $412.40
    Surplus $310.33
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $412.40
    Surplus $310.33
    See Availability
  • Eaton SPHM2RM07R5 Motor Circuit Protector (MCPs)
    See Availability
    Quick view

    Eaton SPHM2RM07R5 Motor Circuit Protector (MCPs)

    MSRP $486.00
    Surplus $131.64
    SKU:  C15-11306 Brand:  Eaton MPN:  SPHM2RM07R5 UPC:  786679754283 Shipping Weight:  0.70 lbs. Shipping Height:  2.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    C15-11306
    TS PIK:
    107006147
    Country of Origin:
    United States
    MSRP $486.00
    Surplus $131.64
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $486.00
    Surplus $131.64
    See Availability
  • Contact Us For Quote
    Eaton STK2 Trip Unit/UVR/Shunt Trip Accessories Test Kit 120V J-K Frame Eaton STK2 Trip Unit/UVR/Shunt Trip Accessories Test Kit 120V J-K Frame
    Quick view

    Eaton STK2 Trip Unit/UVR/Shunt Trip Accessories Test Kit 120V J-K Frame

    MSRP $6,500.00
    Surplus $702.00
    SKU:  A13-1091 Brand:  Eaton MPN:  STK2 UPC:  786679801598 Shipping Weight:  15.05 lbs. Shipping Height:  8.00 In. Shipping Length:  16.00 In. Shipping Width:  14.00 In...
    SKU:
    A13-1091
    Type:
    Electronic
    Type:
    Portable Test Kit
    Used On:
    Circuit Breaker
    Accessory Type:
    General Accessories
    Short Description:
    120 VAC 50/60 Hz, Electronic, Solid State
    Catalog:
    Eaton_14666_V4T2_464_CAT.pdf
    Manufacturer Warranty:
    Eaton_00013_WARR.pdf
    MSRP $6,500.00
    Surplus $702.00
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $6,500.00
    Surplus $702.00
    Contact Us For Quote
  • Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA
    See Availability
    Quick view

    Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA

    MSRP $55.00
    Surplus $19.40
    Eaton T250FJ Terminal Blocks Terminal Lug JG Frame EA​ ARCA SKU:  L20-1217 Brand:  Eaton MPN:  T250FJ UPC:  782113924755 Shipping Weight:  0.15 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    L20-1217
    TS PIK:
    124362204
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY HARDWARE, STAINLESS STEEL COLLAR ASS
    Country of Origin:
    United States
    MSRP $55.00
    Surplus $19.40
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $55.00
    Surplus $19.40
    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.