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 JT325032 Trip Units JT 3P 250A 600V 50/60Hz Eaton JT325032 Trip Units JT 3P 250A 600V 50/60Hz

    Eaton JT325032 Trip Units JT 3P 250A 600V 50/60Hz

    MSRP $1,918.00
    Surplus $1,067.33
    SKU:  A13-1187 Brand:  Eaton MPN:  JT325032 UPC:  782116062775 Shipping Weight:  1.35 lbs. Shipping Height:  3.50 In. Shipping Length:  7.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1187
    Short Description:
    DT310+ LSI T/U_ 250A MAX. FOR J250 BKR
    Poles:
    3
    Volts:
    600 V
    Amps:
    250 A
    Operating Frequency:
    50/60 Hz
    Type:
    JT
    Series:
    G Series
    MSRP $1,918.00
    Surplus $1,067.33
    Qty in Cart: 0
    Price:
    MSRP $1,918.00
    Surplus $1,067.33
  • Eaton KES3250LSIG Trip Units KES 3P 250A 600V 50/60Hz Eaton KES3250LSIG Trip Units KES 3P 250A 600V 50/60Hz

    Eaton KES3250LSIG Trip Units KES 3P 250A 600V 50/60Hz

    MSRP $4,023.97
    Surplus $2,283.36
    SKU:  A13-1175 Brand:  Eaton MPN:  KES3250LSIG UPC:  78667927116 Shipping Weight:  5.80 lbs. Shipping Height:  5.00 In. Shipping Length:  6.00 In. Shipping Width:  5.00 In...
    SKU:
    A13-1175
    Adjustment:
    Independently Adjustable Short Time Pickup and Delay
    Adjustment:
    Ground Fault Protection
    Amps:
    250 A
    Frame:
    CKD/CHKD
    Poles:
    3
    Type:
    Electronic
    Short Description:
    250 A, 3-Pole, LSIG Frame, Electronic Adjustable, Molded Case Circuit Breaker Trip Unit
    Series:
    C
    Specification/Technical:
    Eaton_08646_1_2_SPEC.pdf
    Installation/Operator:
    Eaton_00109_INST.pdf
    Number of Poles:
    3
    Frame Type:
    CKD/CHKD
    Catalog:
    Eaton_14666_V4T2_301_V4T2_303_V4T2_304_CAT.pdf
    Current Rating:
    250 A
    Country of Origin:
    United States
    MSRP $4,023.97
    Surplus $2,283.36
    Qty in Cart: 0
    Price:
    MSRP $4,023.97
    Surplus $2,283.36
  • Eaton KES3400LS Molded Case Breakers (MCCBs) 3P 400A

    Eaton KES3400LS Molded Case Breakers (MCCBs) 3P 400A

    MSRP $2,089.34
    Surplus $682.72
    SKU:  A13-1140 Brand:  Eaton MPN:  KES3400LS UPC:  786679271001 Shipping Weight:  2.50 lbs. Shipping Height:  4.00 In. Shipping Length:  6.00 In. Shipping Width:  4.00 In...
    SKU:
    A13-1140
    Series:
    C
    Type:
    Electronic RMS 310 Digitrip
    Approval:
    UL
    Amps:
    400 A
    Poles:
    3
    Frame Type:
    K
    Accessory Type:
    Trip Unit
    Adjustment:
    Short Time Pickup and Delay
    Short Description:
    400 A, 3-Pole, K Frame, Electronic RMS 310 Digitrip
    Catalog:
    Eaton_27487_V4T2_301_V4T2_303_CAT.pdf
    Number of Poles:
    3
    Current Rating:
    400 A
    Country of Origin:
    United States
    MSRP $2,089.34
    Surplus $682.72
    Qty in Cart: 0
    Price:
    MSRP $2,089.34
    Surplus $682.72
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    Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA

    Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA

    MSRP $30.18
    Surplus $14.80
    Eaton KPEKM3 Circuit Breaker Accessories 3P 225A EA​ ARCA SKU:  C15-2447 Brand:  Eaton MPN:  KPEKM3 UPC:  10786679045296 Shipping Weight:  0.20 lbs. Shipping Height:  2.00 In. Shipping...
    SKU:
    C15-2447
    Amps:
    225 A
    Poles:
    3
    Frame:
    J-K
    Short Description:
    KD 3P ENDSHIELD KIT_ METRIC HARDWARE_ LINE OR LOAD END
    MSRP $30.18
    Surplus $14.80
    Qty in Cart: 0
    Price:
    MSRP $30.18
    Surplus $14.80
  • Eaton KYK6 Circuit Breaker Accessories

    Eaton KYK6 Circuit Breaker Accessories

    MSRP $767.12
    Surplus $185.25
    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 $767.12
    Surplus $185.25
    Qty in Cart: 0
    Price:
    MSRP $767.12
    Surplus $185.25
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    Eaton LDB3400 Molded Case Breakers (MCCBs) Eaton LDB3400 Molded Case Breakers (MCCBs)

    Eaton LDB3400 Molded Case Breakers (MCCBs)

    MSRP $17,271.74
    Surplus $2,576.54
    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 $17,271.74
    Surplus $2,576.54
    Qty in Cart: 0
    Price:
    MSRP $17,271.74
    Surplus $2,576.54
  • 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 $14,500.00
    Surplus $3,455.34
    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 $14,500.00
    Surplus $3,455.34
    Qty in Cart: 0
    Price:
    MSRP $14,500.00
    Surplus $3,455.34
  • Eaton LGE3400FAG Molded Case Breakers (MCCBs) EA

    Eaton LGE3400FAG Molded Case Breakers (MCCBs) EA

    MSRP $5,287.00
    Surplus $2,739.80
    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 $5,287.00
    Surplus $2,739.80
    Qty in Cart: 0
    Price:
    MSRP $5,287.00
    Surplus $2,739.80
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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 $8,265.00
    Surplus $2,156.36
    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 $8,265.00
    Surplus $2,156.36
    Qty in Cart: 0
    Price:
    MSRP $8,265.00
    Surplus $2,156.36
  • Eaton LGHDC3300FAW Molded Case Breakers (MCCBs) LGHDC 3P 300A 600V 50/60Hz 3Ph L Frame Eaton LGHDC3300FAW Molded Case Breakers (MCCBs) LGHDC 3P 300A 600V 50/60Hz 3Ph L Frame

    Eaton LGHDC3300FAW Molded Case Breakers (MCCBs) LGHDC 3P 300A 600V 50/60Hz 3Ph L Frame

    MSRP $9,375.00
    Surplus $2,740.22
    SKU:  C15-2401 Brand:  Eaton MPN:  LGHDC3300FAW UPC:  786685479781 Shipping Weight:  16.00 lbs. Shipping Height:  11.50 In. Shipping Length:  7.25 In. Shipping Width:  7.88...
    SKU:
    C15-2401
    Series:
    G
    Volts:
    600 V
    Amps:
    300 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    Series G DC/PvGard complete molded case circuit breaker, LG-frame, LG, Complete breaker, Fixed thermal, adjustable magnetic trip type, Three-pole, 300A, 600 Vac, 65 kAIC at 600 Vac, Without terminals, Vdc
    Number of Poles:
    3
    Current Rating:
    300 A
    Country of Origin:
    United States
    Interrupting Rating:
    65 kA
    Type:
    Molded Case
    Voltage Rating:
    600 VDC
    MSRP $9,375.00
    Surplus $2,740.22
    Qty in Cart: 0
    Price:
    MSRP $9,375.00
    Surplus $2,740.22
  • 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 $5,685.00
    Surplus $2,013.21
    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 $5,685.00
    Surplus $2,013.21
    Qty in Cart: 0
    Price:
    MSRP $5,685.00
    Surplus $2,013.21
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    Eaton LT325032 Molded Case Breakers (MCCBs)

    Eaton LT325032 Molded Case Breakers (MCCBs)

    MSRP $4,300.80
    Surplus $691.05
    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 $4,300.80
    Surplus $691.05
    Qty in Cart: 0
    Price:
    MSRP $4,300.80
    Surplus $691.05
  • Contact Us For Quote
    Eaton LT3250FA Molded Case Breakers (MCCBs) 3P 250A

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

    MSRP $979.18
    Surplus $425.26
    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 $979.18
    Surplus $425.26
    Qty in Cart: 0
    Price:
    MSRP $979.18
    Surplus $425.26
  • 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 $5,350.00
    Surplus $1,192.95
    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
    MSRP $5,350.00
    Surplus $1,192.95
    Qty in Cart: 0
    Price:
    MSRP $5,350.00
    Surplus $1,192.95
  • 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 $3,100.00
    Surplus $890.15
    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 $3,100.00
    Surplus $890.15
    Qty in Cart: 0
    Price:
    MSRP $3,100.00
    Surplus $890.15
  • 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 $17,809.00
    Surplus $8,321.81
    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 $17,809.00
    Surplus $8,321.81
    Qty in Cart: 0
    Price:
    MSRP $17,809.00
    Surplus $8,321.81
  • 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 $28,650.00
    Surplus $11,054.53
    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 $28,650.00
    Surplus $11,054.53
    Qty in Cart: 0
    Price:
    MSRP $28,650.00
    Surplus $11,054.53
  • 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 $34,984.24
    Surplus $16,457.90
    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
    MSRP $34,984.24
    Surplus $16,457.90
    Qty in Cart: 0
    Price:
    MSRP $34,984.24
    Surplus $16,457.90
  • 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 $473.00
    Surplus $201.43
    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 $473.00
    Surplus $201.43
    Qty in Cart: 0
    Price:
    MSRP $473.00
    Surplus $201.43

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