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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 KT3250T Trip Units Eaton KT3250T Trip Units

    Eaton KT3250T Trip Units

    MSRP $1,656.48
    Surplus $231.34
    SKU:  A13-1048 Brand:  Eaton MPN:  KT3250T UPC:  786679266069 Shipping Weight:  1.60 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1048
    Series:
    C, KT
    Type:
    Thermal Magnetic
    Approval:
    UL
    Amps:
    250 A
    Poles:
    3
    Frame Type:
    K
    Accessory Type:
    Trip Unit
    Adjustment:
    Magnetic Trip
    Short Description:
    250 A, 3-Pole, K Frame, Thermal Magnetic
    Catalog:
    Eaton_27487_V4T2_299_V4T2_300_V4T2_302_CAT.pdf
    TS PIK:
    21507992
    Number of Poles:
    3
    Current Rating:
    250 A
    Country of Origin:
    Dominican Republic
    MSRP $1,656.48
    Surplus $231.34
    Qty in Cart: 0
    Price:
    MSRP $1,656.48
    Surplus $231.34
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    Eaton KYK6 Circuit Breaker Accessories Eaton KYK6 Circuit Breaker Accessories

    Eaton KYK6 Circuit Breaker Accessories

    MSRP $1,044.28
    Surplus $252.18
    SKU:  C15-11585 Brand:  Eaton MPN:  KYK6 UPC:  78667942050 Shipping Weight:  0.65 lbs. Shipping Height:  5.00 In. Shipping Length:  5.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-11585
    TS PIK:
    107003280
    Country of Origin:
    United States
    Short Description:
    RD/RG BKR KEY INTERLOCK MOUNTING KIT
    MSRP $1,044.28
    Surplus $252.18
    Qty in Cart: 0
    Price:
    MSRP $1,044.28
    Surplus $252.18
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    Eaton LDB3400 Molded Case Breakers (MCCBs) Eaton LDB3400 Molded Case Breakers (MCCBs)

    Eaton LDB3400 Molded Case Breakers (MCCBs)

    MSRP $23,512.02
    Surplus $3,507.44
    SKU:  C15-11515 Brand:  Eaton MPN:  LDB3400 UPC:  78667914792 Shipping Weight:  21.10 lbs. Shipping Height:  8.00 In. Shipping Length:  13.00 In. Shipping Width:  11.00 In...
    SKU:
    C15-11515
    TS PIK:
    106998276
    MSRP $23,512.02
    Surplus $3,507.44
    Qty in Cart: 0
    Price:
    MSRP $23,512.02
    Surplus $3,507.44
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    Eaton LES3600LSIG Trip Units LES 3P 600A 600V 50/60Hz Eaton LES3600LSIG Trip Units LES 3P 600A 600V 50/60Hz

    Eaton LES3600LSIG Trip Units LES 3P 600A 600V 50/60Hz

    MSRP $19,738.85
    Surplus $4,951.32
    SKU:  A13-1191 Brand:  Eaton MPN:  LES3600LSIG UPC:  786679268407 Shipping Weight:  3.50 lbs. Shipping Height:  5.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    A13-1191
    Type:
    Electronic RMS 310 Digitrip LSIG
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Approval:
    CE
    Amps:
    600 A
    Poles:
    3
    Frame Type:
    L
    Adjustment:
    Independent Short Time Pickup and Ground Fault
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_254_V4T2_255_V4T2_323-V4T2_327_CAT.pdf
    Current Rating:
    600 A
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 600 A, THREE-P
    Number of Poles:
    3
    MSRP $19,738.85
    Surplus $4,951.32
    Qty in Cart: 0
    Price:
    MSRP $19,738.85
    Surplus $4,951.32
  • Eaton LGE3400FAG Molded Case Breakers (MCCBs) EA

    Eaton LGE3400FAG Molded Case Breakers (MCCBs) EA

    MSRP $7,197.19
    Surplus $1,710.77
    SKU:  C15-9719 Brand:  Eaton MPN:  LGE3400FAG UPC:   Shipping Weight:  13.90 lbs. Shipping Height:  8.00 In. Shipping Length:  13.00 In. Shipping Width:  9.00 In. Product...
    SKU:
    C15-9719
    TS PIK:
    120147104
    Frame Type:
    LG
    Maximum AC Voltage Rating:
    600 V
    Terminal Type:
    Line and Load
    Size:
    5.48 Inch Width x 4.09 Inch Depth x 10.13 Inch Height
    Voltage Rating:
    240/415/480/600 VAC 50/60 Hertz
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 415/480 VAC, 18 kA at 600 VAC
    Type:
    Fixed Thermal, Adjustable Magnetic
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_142-V4T2_144_V4T2_185-V4T2_202_CAT.pdf
    Installation/Operator:
    Eaton_00239_INST.pdf
    Current Rating:
    400 A
    Country of Origin:
    United States
    Short Description:
    LGE 3P 400A BKR_ FIX THERM/ADJ MAG TRIP
    Approval:
    UL 489, CSA C22.2, CE
    MSRP $7,197.19
    Surplus $1,710.77
    Qty in Cart: 0
    Price:
    MSRP $7,197.19
    Surplus $1,710.77
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    Eaton LGH3630NNWC Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame Eaton LGH3630NNWC Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame

    Eaton LGH3630NNWC Molded Case Breakers (MCCBs) LGH 3P 600A 600V 50/60Hz 3Ph L Frame

    MSRP $11,251.14
    Surplus $2,935.45
    SKU:  C15-2755 Brand:  Eaton MPN:  LGH3630NNWC UPC:  786685004617 Shipping Weight:  17.05 lbs. Shipping Height:  7.00 In. Shipping Length:  17.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-2755
    Series:
    G
    Volts:
    600 V
    Amps:
    600 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    Molded case circuit breaker accessory frame, Frame only, 630 A, 100 kAIC at 240 V, 70 kAIC at 415 V, 65 kAIC at 480 V, 35 kAIC at 600 V, Three-pole, Frame only (no trip), Frame J-K, Series G
    Current Rating:
    630 A
    Interrupting Rating:
    100 kA
    Frame Type:
    J-k
    Number of Poles:
    3
    Voltage Rating:
    600 VAC
    MSRP $11,251.14
    Surplus $2,935.45
    Qty in Cart: 0
    Price:
    MSRP $11,251.14
    Surplus $2,935.45
  • Eaton LGS3400FAG Molded Case Breakers (MCCBs) LGS 3P 400A 600V 50/60Hz 3Ph L Frame Eaton LGS3400FAG Molded Case Breakers (MCCBs) LGS 3P 400A 600V 50/60Hz 3Ph L Frame

    Eaton LGS3400FAG Molded Case Breakers (MCCBs) LGS 3P 400A 600V 50/60Hz 3Ph L Frame

    MSRP $7,738.99
    Surplus $2,740.58
    SKU:  C15-1946 Brand:  Eaton MPN:  LGS3400FAG UPC:  782116142583 Shipping Weight:  16.00 lbs. Shipping Height:  6.00 In. Shipping Length:  12.50 In. Shipping Width:  7.00 In...
    SKU:
    C15-1946
    Series:
    G
    Volts:
    600 V
    Amps:
    400 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    LGS 3P 340A BKR_ FIX THERM/ADJ MAG TRIP
    Current Rating:
    340 A
    Country of Origin:
    United States
    MSRP $7,738.99
    Surplus $2,740.58
    Qty in Cart: 0
    Price:
    MSRP $7,738.99
    Surplus $2,740.58
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    Eaton LT325032 Molded Case Breakers (MCCBs)

    Eaton LT325032 Molded Case Breakers (MCCBs)

    MSRP $5,854.68
    Surplus $940.73
    SKU:  C15-9546 Brand:  Eaton MPN:  LT325032 UPC:  78211636591 Shipping Weight:  2.85 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-9546
    TS PIK:
    120877416
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY TRIP UNIT, TRIP UNIT, 250 A, THREE-P
    Country of Origin:
    United States
    MSRP $5,854.68
    Surplus $940.73
    Qty in Cart: 0
    Price:
    MSRP $5,854.68
    Surplus $940.73
  • Contact Us For Quote
    Eaton LT3250FA Molded Case Breakers (MCCBs) 3P 250A

    Eaton LT3250FA Molded Case Breakers (MCCBs) 3P 250A

    MSRP $1,332.96
    Surplus $578.91
    SKU:  C15-5583 Brand:  Eaton MPN:  LT3250FA UPC:  78211633620 Shipping Weight:  2.00 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-5583
    TS PIK:
    21332000
    MSRP $1,332.96
    Surplus $578.91
    Qty in Cart: 0
    Price:
    MSRP $1,332.96
    Surplus $578.91
  • Eaton MMOTL Circuit Breaker Accessories Motor Operator Kit 24VDC Universal Compact Eaton MMOTL Circuit Breaker Accessories Motor Operator Kit 24VDC Universal Compact

    Eaton MMOTL Circuit Breaker Accessories Motor Operator Kit 24VDC Universal Compact

    MSRP $7,282.96
    Surplus $1,623.96
    SKU:  C15-2351 Brand:  Eaton MPN:  MMOTL UPC:  782114752203 Shipping Weight:  6.62 lbs. Shipping Height:  6.00 In. Shipping Length:  8.00 In. Shipping Width:  6.50 In...
    SKU:
    C15-2351
    Type:
    Motor Operator Kit
    Used On:
    Universal Frame Magnum Low-Vage Power Circuit Breaker
    Specification/Technical:
    Eaton_60841_1_SPEC.pdf
    Data Sheet:
    EatonCorp-CutlerHammer_00056_11_DATA.pdf
    Short Description:
    EATON MAGNUM MOTOR OPERATOR, MAGNUM, UNIVERSAL, 24-48 VDC, MMOTL
    Country of Origin:
    United States
    MSRP $7,282.96
    Surplus $1,623.96
    Qty in Cart: 0
    Price:
    MSRP $7,282.96
    Surplus $1,623.96
  • Eaton MVADP32 Circuit Breaker Accessories Vertical Adapter Kit 3P 3200A Eaton MVADP32 Circuit Breaker Accessories Vertical Adapter Kit 3P 3200A

    Eaton MVADP32 Circuit Breaker Accessories Vertical Adapter Kit 3P 3200A

    MSRP $4,220.03
    Surplus $1,211.76
    SKU:  C15-3014 Brand:  Eaton MPN:  MVADP32 UPC:  782114624722 Shipping Weight:  22.50 lbs. Shipping Height:  5.00 In. Shipping Length:  11.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-3014
    Amps:
    3200 A
    Poles:
    3
    Short Description:
    EATON MAGNUM ADAPTER KIT, THREE-POLE, STANDARD FRAME, UP TO 100 KAIC, UP TO 3200
    Country of Origin:
    United States
    MSRP $4,220.03
    Surplus $1,211.76
    Qty in Cart: 0
    Price:
    MSRP $4,220.03
    Surplus $1,211.76
  • Contact Us For Quote
    Eaton NGH308033E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame EA Eaton NGH308033E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame EA

    Eaton NGH308033E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame EA

    MSRP $24,243.39
    Surplus $14,122.13
    SKU:  C15-4883 Brand:  Eaton MPN:  NGH308033E UPC:  786685379166 Shipping Weight:  45.75 lbs. Shipping Height:  11.00 In. Shipping Length:  19.00 In. Shipping Width:  12.00...
    SKU:
    C15-4883
    Frame Type:
    NG
    Voltage Rating:
    690 VAC
    Current Rating:
    32 A
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 480 VAC
    Type:
    Molded Case
    Maximum AC Voltage Rating:
    690 VAC
    Terminal Type:
    Line and Load Terminal
    Size:
    5.5 Inch Width x 8.25 Inch Depth x 16 Inch Height
    Short Description:
    690 VAC 50/60 Hz, 800 A, 65 kA, 3-Pole, Imperial Tapped Line/Load Terminal, NGH Frame, DigiTrip 310 RMS LS Electronic Trip
    Catalog:
    Eaton_46579_V4T2_203-V4T2_211_CAT.pdf
    Installation/Operator:
    Eaton_00493_INST.pdf
    Specification/Technical:
    Eaton_51797_1-3_SPEC.pdf
    Series:
    G
    Country of Origin:
    United States
    Approval:
    UL, CSA
    MSRP $24,243.39
    Surplus $14,122.13
    Qty in Cart: 0
    Price:
    MSRP $24,243.39
    Surplus $14,122.13
  • Contact Us For Quote
    Eaton NGH308038E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame Eaton NGH308038E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame

    Eaton NGH308038E Molded Case Breakers (MCCBs) NGH 3P 800A 600V 50/60Hz 3Ph N Frame

    MSRP $39,001.25
    Surplus $18,677.04
    SKU:  C15-2959 Brand:  Eaton MPN:  NGH308038E UPC:   Shipping Weight:  44.25 lbs. Shipping Height:  11.00 In. Shipping Length:  19.00 In. Shipping Width:  12.00 In. Product...
    SKU:
    C15-2959
    Frame Type:
    NG
    Voltage Rating:
    600 V
    Current Rating:
    800 A
    Number of Poles:
    3
    Interrupting Rating:
    100kA @ 240VAC, 65kA AT 480VAC AND 35kA AT 600VAC
    Short Description:
    NGH 3 POLE 800 A LSI WITH ARMS_ ENGLISH CONDUCTORS
    MSRP $39,001.25
    Surplus $18,677.04
    Qty in Cart: 0
    Price:
    MSRP $39,001.25
    Surplus $18,677.04
  • Contact Us For Quote
    Eaton NGH312038EC Molded Case Breakers (MCCBs) EA Eaton NGH312038EC Molded Case Breakers (MCCBs) EA

    Eaton NGH312038EC Molded Case Breakers (MCCBs) EA

    MSRP $47,624.05
    Surplus $22,404.14
    SKU:  C15-9263 Brand:  Eaton MPN:  NGH312038EC UPC:   Shipping Weight:  41.00 lbs. Shipping Height:  8.00 In. Shipping Length:  17.00 In. Shipping Width:  9.00 In. Product...
    SKU:
    C15-9263
    Short Description:
    EATON SERIES G ELECTRONIC MOLDED CASE CIRCUIT BREAKER, NG-FRAME, NG, DIGITRIP 310 RMS, ELECTRONIC ALSI WITH MAINT. MODE TRIP, THREE-POLE, 1200A, 480 VAC, 100 kAIC AT 240 VAC, 65 kAIC AT 480 VAC, LINE/LOAD, IMPERIAL, 50/60 HZ, 100% RATED
    MSRP $47,624.05
    Surplus $22,404.14
    Qty in Cart: 0
    Price:
    MSRP $47,624.05
    Surplus $22,404.14
  • Eaton NGHMVD08B Circuit Breaker Accessories Rotary Handle NG Frame Eaton NGHMVD08B Circuit Breaker Accessories Rotary Handle NG Frame

    Eaton NGHMVD08B Circuit Breaker Accessories Rotary Handle NG Frame

    MSRP $643.89
    Surplus $274.21
    SKU:  C15-2589 Brand:  Eaton MPN:  NGHMVD08B UPC:  786685293769 Shipping Weight:  7.00 lbs. Shipping Height:  6.00 In. Shipping Length:  13.00 In. Shipping Width:  8.00 In...
    SKU:
    C15-2589
    Series:
    G
    Approval:
    UL
    Enclosure:
    NEMA 1/3R/12
    Enclosure:
    IP20/IP54/IP55
    Accessory Type:
    Operating Mechanism
    Switch Type:
    Molded Case
    Breaker Type:
    NG Frame
    Handle Type:
    Blue/Black Rotary
    Handle Included:
    Yes
    Shaft Length:
    8
    Short Description:
    8" Shaft, NG-Frame, S3 Blue, Molded Case Switch, NEMA 1/3R/12
    Catalog:
    Eaton_21665_V4T2_501_CAT.pdf
    Installation/Operator:
    Eaton_00688_INST.pdf
    Country of Origin:
    United States
    MSRP $643.89
    Surplus $274.21
    Qty in Cart: 0
    Price:
    MSRP $643.89
    Surplus $274.21
  • Eaton NSB CVS2225XMM Molded Case Breakers (MCCBs) EA Eaton NSB CVS2225XMM Molded Case Breakers (MCCBs) EA

    Eaton NSB CVS2225XMM Molded Case Breakers (MCCBs) EA

    MSRP $2,229.93
    Surplus $199.32
    SKU:  C15-9317 Brand:  Eaton MPN:  CVS2225XMM UPC:  00786685705934 Shipping Weight:  3.25 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-9317
    Frame Type:
    CCV
    Current Rating:
    225 A
    Number of Poles:
    2
    Interrupting Rating:
    42 kA
    Short Description:
    Eaton Type CV Molded Case Circuit Breaker,Molded case circuit breaker,225 A,42 kA,Two-pole,#6 - 4/0 Al/Cu,CV,#4/0 kcmil maximum load,Includes mounting kit
    Country of Origin:
    Dominican Republic
    MSRP $2,229.93
    Surplus $199.32
    Qty in Cart: 0
    Price:
    MSRP $2,229.93
    Surplus $199.32
  • Contact Us For Quote
    Eaton NZM2-XR208-240AC Circuit Breaker Accessories Remote Operator 3/4P 240V NZM Frame Eaton NZM2-XR208-240AC Circuit Breaker Accessories Remote Operator 3/4P 240V NZM Frame

    Eaton NZM2-XR208-240AC Circuit Breaker Accessories Remote Operator 3/4P 240V NZM Frame

    MSRP $3,566.61
    Surplus $1,256.68
    SKU:  C15-2850 Brand:  Eaton MPN:  NZM2-XR208-240AC UPC:  015082598321 Shipping Weight:  4.15 lbs. Shipping Height:  6.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00...
    SKU:
    C15-2850
    Type:
    Remote Operator
    Used On:
    NZM2/N2 Series Molded Case Circuit Breaker
    Used On:
    Power Circuit Breaker
    Short Description:
    Size 2, NZM2 Frame, 208 to 240 VAC 50/60 Hz, 3 or 4-Pole, 18 to 14 AWG
    Catalog:
    Eaton-Moeller_00013_266_CAT.pdf
    Data Sheet:
    Eaton-Moeller_00862_1-3_DATA.pdf
    MSRP $3,566.61
    Surplus $1,256.68
    Qty in Cart: 0
    Price:
    MSRP $3,566.61
    Surplus $1,256.68
  • Contact Us For Quote
    Eaton NZM3-XR110-130AC Circuit Breaker Accessories Remote Operator 130V 50/60Hz Eaton NZM3-XR110-130AC Circuit Breaker Accessories Remote Operator 130V 50/60Hz

    Eaton NZM3-XR110-130AC Circuit Breaker Accessories Remote Operator 130V 50/60Hz

    MSRP $5,581.33
    Surplus $2,528.52
    SKU:  C15-3362 Brand:  Eaton MPN:  NZM3-XR110-130AC UPC:  015082598482 Shipping Weight:  6.60 lbs. Shipping Height:  7.00 In. Shipping Length:  10.00 In. Shipping Width:  9...
    SKU:
    C15-3362
    Type:
    Remote Operator
    Used On:
    NZM3/N3 Series Molded Case Circuit Breaker
    Used On:
    Power Circuit Breaker
    Short Description:
    Size 3, NZM3 Frame, 110 to 130 VAC 50/60 Hz, 3 or 4-Pole, 18 to 14 AWG
    Catalog:
    Eaton-Moeller_00013_266_CAT.pdf
    Data Sheet:
    Eaton-Moeller_00916_1-3_DATA.pdf
    Installation/Operator:
    Eaton-Moeller_00054_INST.pdf
    MSRP $5,581.33
    Surplus $2,528.52
    Qty in Cart: 0
    Price:
    MSRP $5,581.33
    Surplus $2,528.52
  • Contact Us For Quote
    Eaton NZMB2-A63-NA Molded Case Breakers (MCCBs) EA

    Eaton NZMB2-A63-NA Molded Case Breakers (MCCBs) EA

    MSRP $2,564.80
    Surplus $937.58
    SKU:  C15-9352 Brand:  Eaton MPN:  NZMB2-A63-NA UPC:  01508269211 Shipping Weight:  5.00 lbs. Shipping Height:  9.00 In. Shipping Length:  5.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-9352
    TS PIK:
    124502645
    Short Description:
    600 VAC Star/347 VAC, 480 V, 63 A, 25 kA, 3-Pole, Front Screw Terminal, NZM2 Frame, Thermal Magnetic, Molded Case Circuit Breaker
    Frame Type:
    NZM2
    Series:
    NZMB2
    Type:
    Thermal Magnetic, Adjustable Thermal
    Catalog:
    Eaton-Moeller_00013_148_CAT.pdf
    Number of Poles:
    3
    Data Sheet:
    Eaton-Moeller_01085_1-9_DATA.pdf
    Installation/Operator:
    Eaton_00324_INST.pdf
    Current Rating:
    63 A
    Interrupting Rating:
    25 kA
    Maximum AC Voltage Rating:
    600
    Terminal Type:
    Front Screw
    Size:
    105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
    Voltage Rating:
    600 VAC Star/347 V, 480 V
    MSRP $2,564.80
    Surplus $937.58
    Qty in Cart: 0
    Price:
    MSRP $2,564.80
    Surplus $937.58

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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.