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 UVH2LP11K Undervoltage Releases (UVRs) 240V 50/60Hz J Frame Eaton UVH2LP11K Undervoltage Releases (UVRs) 240V 50/60Hz J Frame
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    Eaton UVH2LP11K Undervoltage Releases (UVRs) 240V 50/60Hz J Frame

    MSRP $1,092.00
    Surplus $245.70
    Eaton UVH2LP11K Undervoltage Releases (UVRs) 240V 50/60Hz J Frame​ ARCA SKU:  A13-1243 Brand:  Eaton MPN:  UVH2LP11K UPC:  786679803554 Shipping Weight:  0.40 lbs. Shipping Height:  3.00 In...
    SKU:
    A13-1243
    MSRP $1,092.00
    Surplus $245.70
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    Price:
    MSRP $1,092.00
    Surplus $245.70
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    Eaton UVH2RP15K Circuit Breaker Accessories 480V 50/60Hz Eaton UVH2RP15K Circuit Breaker Accessories 480V 50/60Hz
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    Eaton UVH2RP15K Circuit Breaker Accessories 480V 50/60Hz

    MSRP $1,200.00
    Surplus $391.63
    SKU:  C15-3428 Brand:  Eaton MPN:  UVH2RP15K UPC:  786679195161 Shipping Weight:  0.35 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-3428
    Volts:
    480 V
    Frequency Rating:
    50/60 Hz
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, MOLDED CASE CI
    MSRP $1,200.00
    Surplus $391.63
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    Price:
    MSRP $1,200.00
    Surplus $391.63
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  • Eaton UVH3LP08K Undervoltage Releases (UVRs)
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    Eaton UVH3LP08K Undervoltage Releases (UVRs)

    MSRP $1,526.00
    Surplus $469.49
    Eaton UVH3LP08K Undervoltage Releases (UVRs)​ ARCA SKU:  A13-1318 Brand:  Eaton MPN:  UVH3LP08K UPC:   Shipping Weight:  0.45 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00...
    SKU:
    A13-1318
    AC Voltage:
    110 to 127 V at 50/60 Hz
    Connection Type:
    18 Pigtail Lead
    Mounting Location:
    Left Pole
    Type:
    AC
    Used On:
    K Frame Molded Case Circuit Breaker
    Short Description:
    110 to 127 VAC, Pigtail Lead, Left Pole Mount, Undervoltage Release for K Frame Molded Case Circuit Breaker
    Series:
    C
    Specification/Technical:
    Eaton_40316_1_2_SPEC.pdf
    Catalog:
    Eaton_27487_V4T2_428_V4T2_487_CAT.pdf
    Country of Origin:
    Dominican Republic
    AC Voltage Rating:
    110 to 127 V at 50/60 Hz
    MSRP $1,526.00
    Surplus $469.49
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    Price:
    MSRP $1,526.00
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    Eaton UVH3LP15K Undervoltage Releases (UVRs) 480V 50/60Hz
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    Eaton UVH3LP15K Undervoltage Releases (UVRs) 480V 50/60Hz

    MSRP $1,627.00
    Surplus $490.59
    SKU:  A13-1316 Brand:  Eaton MPN:  UVH3LP15K UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In. Product...
    SKU:
    A13-1316
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, UNDERVOLTAGE R
    Volts:
    480 V
    Operating Frequency:
    50/60 Hz
    Type:
    CIRCUIT BREAKER UNDERVOLTAGE RELEASE MECHANISM
    MSRP $1,627.00
    Surplus $490.59
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    Qty in Cart: 0
    Price:
    MSRP $1,627.00
    Surplus $490.59
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  • Eaton UVH3LP20K Undervoltage Releases (UVRs) EA
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    Eaton UVH3LP20K Undervoltage Releases (UVRs) EA

    MSRP $1,024.97
    Surplus $156.82
    Eaton UVH3LP20K Undervoltage Releases (UVRs) EA​ ARCA SKU:  C15-9388 Brand:  Eaton MPN:  UVH3LP20K UPC:  78667921662 Shipping Weight:  0.50 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-9388
    TS PIK:
    106999589
    Series:
    C, UVH
    Type:
    DC
    Short Description:
    12 VDC, Pigtail Lead Connection, Left Pole, UnderVage Release Mechanism for K-Frame HMCP Molded Case Circuit Breaker
    Catalog:
    Eaton_46579_V4T2_428_CAT.pdf
    Used On:
    K Frame HMCP Series Motor Circuit Protector
    Connection Type:
    Pigtail Lead
    Mounting Location:
    Left Pole
    DC Voltage Rating:
    12 V DC
    MSRP $1,024.97
    Surplus $156.82
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    Price:
    MSRP $1,024.97
    Surplus $156.82
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    Eaton UVH3LP21K Circuit Breaker Accessories
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    Eaton UVH3LP21K Circuit Breaker Accessories

    MSRP $1,385.10
    Surplus $288.85
    SKU:  C15-9514 Brand:  Eaton MPN:  UVH3LP21K UPC:  78667980361 Shipping Weight:  0.45 lbs. Shipping Height:  6.00 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-9514
    TS PIK:
    107006959
    Type:
    DC
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, FIELD MOUNTED
    Used On:
    HMCP C Series K Frame Molded Case Circuit Breaker
    Catalog:
    Eaton_03771_V4T2_394_CAT.pdf
    Series:
    C, UVH
    Country of Origin:
    Dominican Republic
    MSRP $1,385.10
    Surplus $288.85
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    Qty in Cart: 0
    Price:
    MSRP $1,385.10
    Surplus $288.85
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  • Eaton UVH3LP26K Undervoltage Releases (UVRs) EA
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    Eaton UVH3LP26K Undervoltage Releases (UVRs) EA

    MSRP $1,024.97
    Surplus $156.82
    Eaton UVH3LP26K Undervoltage Releases (UVRs) EA​ ARCA SKU:  C15-9387 Brand:  Eaton MPN:  UVH3LP26K UPC:  78667955466 Shipping Weight:  0.50 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-9387
    TS PIK:
    107004660
    Short Description:
    110 to 127 VDC, Pigtail Lead Connection, Left Pole, UnderVage Release Mechanism for K-Frame HMCP Molded Case Circuit Breaker
    Series:
    C, UVH
    Type:
    DC
    Catalog:
    Eaton_46579_V4T2_428_CAT.pdf
    DC Voltage Rating:
    110 to 127 V DC
    Used On:
    K Frame HMCP Series Motor Circuit Protector
    Connection Type:
    Pigtail Lead
    Mounting Location:
    Left Pole
    MSRP $1,024.97
    Surplus $156.82
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    Qty in Cart: 0
    Price:
    MSRP $1,024.97
    Surplus $156.82
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  • Eaton UVH4LP11K Circuit Breaker Accessories EA
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    Eaton UVH4LP11K Circuit Breaker Accessories EA

    MSRP $1,149.12
    Surplus $278.94
    SKU:  C15-9436 Brand:  Eaton MPN:  UVH4LP11K UPC:   Shipping Weight:  0.50 lbs. Shipping Height:  5.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    C15-9436
    TS PIK:
    107004670
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, UNDERVOLTAGE R
    Country of Origin:
    United States
    MSRP $1,149.12
    Surplus $278.94
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    Qty in Cart: 0
    Price:
    MSRP $1,149.12
    Surplus $278.94
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    Eaton UVH4RP15K Circuit Breaker Accessories EA
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    Eaton UVH4RP15K Circuit Breaker Accessories EA

    MSRP $1,300.00
    Surplus $487.88
    SKU:  C15-9864 Brand:  Eaton MPN:  UVH4RP15K UPC:  78667955512 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9864
    TS PIK:
    107004673
    Country of Origin:
    United States
    MSRP $1,300.00
    Surplus $487.88
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    Qty in Cart: 0
    Price:
    MSRP $1,300.00
    Surplus $487.88
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  • Eaton UVH5LP23K Circuit Breaker Accessories
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    Eaton UVH5LP23K Circuit Breaker Accessories

    MSRP $772.00
    Surplus $513.38
    SKU:  C15-9865 Brand:  Eaton MPN:  UVH5LP23K UPC:  78667902725 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-9865
    TS PIK:
    114196660
    Country of Origin:
    United States
    MSRP $772.00
    Surplus $513.38
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    Qty in Cart: 0
    Price:
    MSRP $772.00
    Surplus $513.38
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    Eaton UVH6RP08K Undervoltage Releases (UVRs) 127V J-K Frame Eaton UVH6RP08K Undervoltage Releases (UVRs) 127V J-K Frame
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    Eaton UVH6RP08K Undervoltage Releases (UVRs) 127V J-K Frame

    MSRP $1,650.00
    Surplus $389.49
    SKU:  A13-1143 Brand:  Eaton MPN:  UVH6RP08K UPC:   Shipping Weight:  0.55 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In. Product...
    SKU:
    A13-1143
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, UNDERVOLTAGE R
    Volts:
    127 V
    Type:
    CIRCUIT BREAKER UNDERVOLTAGE RELEASE MECHANISM
    Frame Type:
    J-K
    Series:
    C
    MSRP $1,650.00
    Surplus $389.49
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    Qty in Cart: 0
    Price:
    MSRP $1,650.00
    Surplus $389.49
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    Eaton UVM3LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz Eaton UVM3LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz
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    Eaton UVM3LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz

    MSRP $1,050.00
    Surplus $481.53
    SKU:  C15-2951 Brand:  Eaton MPN:  UVM3LP08K UPC:  786679140055 Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping Length:  7.00 In. Shipping Width:  3.00 In...
    SKU:
    C15-2951
    Volts:
    120 V
    Frequency Rating:
    50/60 Hz
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, HEAVY DUTY, 12
    MSRP $1,050.00
    Surplus $481.53
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    Qty in Cart: 0
    Price:
    MSRP $1,050.00
    Surplus $481.53
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    Eaton UVM4LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz L Frame Eaton UVM4LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz L Frame
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    Eaton UVM4LP08K Circuit Breaker Accessories Undervoltage Release 120V 50/60Hz L Frame

    MSRP $1,000.00
    Surplus $346.63
    SKU:  C15-4075 Brand:  Eaton MPN:  UVM4LP08K UPC:  786685215693 Shipping Weight:  0.50 lbs. Shipping Height:  3.00 In. Shipping Length:  5.50 In. Shipping Width:  3.00 In...
    SKU:
    C15-4075
    Volts:
    120 V
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, HEAVY DUTY, 12
    MSRP $1,000.00
    Surplus $346.63
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    Qty in Cart: 0
    Price:
    MSRP $1,000.00
    Surplus $346.63
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    Eaton UVR120APK Circuit Breaker Accessories UVR 110-127VAC 50/60Hz J-K Frame Eaton UVR120APK Circuit Breaker Accessories UVR 110-127VAC 50/60Hz J-K Frame
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    Eaton UVR120APK Circuit Breaker Accessories UVR 110-127VAC 50/60Hz J-K Frame

    MSRP $823.00
    Surplus $360.08
    SKU:  C15-2304 Brand:  Eaton MPN:  UVR120APK UPC:  782116031900 Shipping Weight:  0.32 lbs. Shipping Height:  2.75 In. Shipping Length:  5.50 In. Shipping Width:  3.10 In...
    SKU:
    C15-2304
    AC Voltage:
    110 to 127 V 50/60 Hertz
    Connection Type:
    29 Inch Pigtail
    Mounting Location:
    Left Pole
    Type:
    AC
    Used On:
    G Series EG/JG/LG Frame Molded Case Circuit Breaker
    Specification/Technical:
    Eaton_60863_1_2_SPEC.pdf
    Catalog:
    Eaton_03771_V4T2_26_V4T2_27_V4T2_214_V4T2_453_V4T2_462_CAT.pdf
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY UNDERVOLTAGE RELEASE, MOLDED CASE CI
    MSRP $823.00
    Surplus $360.08
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    Qty in Cart: 0
    Price:
    MSRP $823.00
    Surplus $360.08
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  • Eaton UVR240APK Undervoltage Releases (UVRs) EA
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    Eaton UVR240APK Undervoltage Releases (UVRs) EA

    MSRP $904.02
    Surplus $134.31
    Eaton UVR240APK Undervoltage Releases (UVRs) EA​ ARCA SKU:  A13-1517 Brand:  Eaton MPN:  UVR240APK UPC:   Shipping Weight:  0.30 lbs. Shipping Height:  4.00 In. Shipping...
    SKU:
    A13-1517
    TS PIK:
    119121957
    Type:
    AC
    Short Description:
    208 to 240 VAC, Pigtail Lead, Left Pole Mount, UnderVage Release for EG/JG/LG Frame Molded Case Circuit Breaker
    Series:
    G
    Catalog:
    Eaton_27487_V4T2_27_V4T2_248_CAT.pdf
    AC Voltage Rating:
    208 to 240 V at 50/60 Hz
    Used On:
    EG/JG/LG Frame Molded Case Circuit Breaker
    Mounting Location:
    Left Pole
    MSRP $904.02
    Surplus $134.31
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    Qty in Cart: 0
    Price:
    MSRP $904.02
    Surplus $134.31
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    Eaton UVR480APK Circuit Breaker Accessories
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    Eaton UVR480APK Circuit Breaker Accessories

    MSRP $1,221.65
    Surplus $335.86
    SKU:  C15-11233 Brand:  Eaton MPN:  UVR480APK UPC:  78211395031 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In. Shipping Length:  4.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-11233
    TS PIK:
    119121959
    MSRP $1,221.65
    Surplus $335.86
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    Qty in Cart: 0
    Price:
    MSRP $1,221.65
    Surplus $335.86
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    Eaton UVR600APK Circuit Breaker Accessories Undervoltage Release 600V 50/60Hz E/J/L Frame Eaton UVR600APK Circuit Breaker Accessories Undervoltage Release 600V 50/60Hz E/J/L Frame
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    Eaton UVR600APK Circuit Breaker Accessories Undervoltage Release 600V 50/60Hz E/J/L Frame

    MSRP $900.00
    Surplus $255.30
    SKU:  C15-2859 Brand:  Eaton MPN:  UVR600APK UPC:  782116031924 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In. Shipping Length:  5.50 In. Shipping Width:  3.00 In...
    SKU:
    C15-2859
    Volts:
    600 V
    Frequency Rating:
    50/60 Hz
    Frame:
    E/J/L
    Short Description:
    UV RELEASE MECH_ 525-600VAC_ E125/J250
    MSRP $900.00
    Surplus $255.30
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    Qty in Cart: 0
    Price:
    MSRP $900.00
    Surplus $255.30
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    Eaton WAMPLK Circuit Breaker Accessories WMS Lockoff Eaton WAMPLK Circuit Breaker Accessories WMS Lockoff
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    Eaton WAMPLK Circuit Breaker Accessories WMS Lockoff

    MSRP $52.50
    Surplus $13.66
    Eaton WAMPLK Circuit Breaker Accessories WMS Lockoff​ ARCA SKU:  C15-2531 Brand:  Eaton MPN:  WAMPLK UPC:  782116419203 Shipping Weight:  0.00 Shipping Height:  4.00 In. Shipping...
    SKU:
    C15-2531
    Poles:
    4
    Short Description:
    WMS LOCKOFF FOR 1-4 POLE CIRCUIT BREAKERS
    MSRP $52.50
    Surplus $13.66
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $52.50
    Surplus $13.66
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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.