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 KDC3400F Molded Case Breakers (MCCBs) KD 3P 400A 600V 50/60Hz 3Ph K Frame Eaton KDC3400F Molded Case Breakers (MCCBs) KD 3P 400A 600V 50/60Hz 3Ph K Frame
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    Eaton KDC3400F Molded Case Breakers (MCCBs) KD 3P 400A 600V 50/60Hz 3Ph K Frame

    MSRP $10,740.00
    Surplus $2,991.97
    SKU:  C15-2290 Brand:  Eaton MPN:  KDC3400F UPC:  786679611661 Shipping Weight:  11.50 lbs. Shipping Height:  7.00 In. Shipping Length:  13.00 In. Shipping Width:  7.00 In...
    SKU:
    C15-2290
    Series:
    kDC
    Type:
    Thermal Magnetic
    Type:
    Fixed Thermal
    Volts:
    600 VAC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    100 kA at 480 VAC
    Maximum AC Voltage Rating (V):
    600 VAC
    Short Description:
    600 VAC, 400 A, 100 kA Interrupt Rating, 3-Pole, Stainless Steel Terminal, Thermal Magnetic, Ultra High Interrupting Capacity, Current Limiting
    Catalog:
    Eaton_03771_V4T2_269_CAT.pdf
    Data Sheet:
    Eaton-Moeller_01123_1-9_DATA.pdf
    Installation/Operator:
    Eaton_00324_INST.pdf
    Number of Poles:
    3
    Current Rating:
    400 A
    Voltage Rating:
    600 VAC
    Country of Origin:
    Dominican Republic
    MSRP $10,740.00
    Surplus $2,991.97
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    Price:
    MSRP $10,740.00
    Surplus $2,991.97
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    Eaton KT2175T Molded Case Breakers (MCCBs)
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    Eaton KT2175T Molded Case Breakers (MCCBs)

    MSRP $1,373.17
    Surplus $459.12
    SKU:  C15-11234 Brand:  Eaton MPN:  KT2175T UPC:  78667926623 Shipping Weight:  1.65 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-11234
    TS PIK:
    107000444
    MSRP $1,373.17
    Surplus $459.12
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    Qty in Cart: 0
    Price:
    MSRP $1,373.17
    Surplus $459.12
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  • Eaton KT3225T Trip Units Eaton KT3225T Trip Units
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    Eaton KT3225T Trip Units

    MSRP $1,216.84
    Surplus $579.88
    SKU:  A13-1255 Brand:  Eaton MPN:  KT3225T UPC:  786679266052 Shipping Weight:  1.75 lbs. Shipping Height:  5.00 In. Shipping Length:  6.00 In. Shipping Width:  5.00 In...
    SKU:
    A13-1255
    Series:
    C, KT
    Type:
    Thermal Magnetic
    Approval:
    UL
    Amps:
    225 A
    Poles:
    3
    Frame Type:
    K
    Accessory Type:
    Trip Unit
    Adjustment:
    Magnetic Trip
    Short Description:
    225 A, 3-Pole, K Frame, Thermal Magnetic
    Catalog:
    Eaton_27487_V4T2_299_V4T2_300_V4T2_302_CAT.pdf
    TS PIK:
    21507991
    Number of Poles:
    3
    Current Rating:
    225 A
    Country of Origin:
    Dominican Republic
    MSRP $1,216.84
    Surplus $579.88
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    Qty in Cart: 0
    Price:
    MSRP $1,216.84
    Surplus $579.88
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  • Eaton KYKLG Circuit Breaker Accessories Interlocking Mounting Plate LG Frame Eaton KYKLG Circuit Breaker Accessories Interlocking Mounting Plate LG Frame
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    Eaton KYKLG Circuit Breaker Accessories Interlocking Mounting Plate LG Frame

    MSRP $385.72
    Surplus $98.92
    SKU:  C15-3952 Brand:  Eaton MPN:  KYKLG UPC:  782116015085 Shipping Weight:  0.60 lbs. Shipping Height:  1.00 In. Shipping Length:  8.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-3952
    Frame:
    LG
    Short Description:
    LG KIRK KEY INTERLOCK KIT
    Country of Origin:
    United States
    MSRP $385.72
    Surplus $98.92
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    Qty in Cart: 0
    Price:
    MSRP $385.72
    Surplus $98.92
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    Eaton LGU340036G Molded Case Breakers (MCCBs) EA
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    Eaton LGU340036G Molded Case Breakers (MCCBs) EA

    MSRP $25,500.00
    Surplus $4,920.58
    SKU:  C15-9660 Brand:  Eaton MPN:  LGU340036G UPC:  78668518473 Shipping Weight:  14.70 lbs. Shipping Height:  7.00 In. Shipping Length:  13.00 In. Shipping Width:  8.00 In...
    SKU:
    C15-9660
    TS PIK:
    122381454
    MSRP $25,500.00
    Surplus $4,920.58
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    Qty in Cart: 0
    Price:
    MSRP $25,500.00
    Surplus $4,920.58
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    Eaton LGX360039G Molded Case Breakers (MCCBs) EA
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    Eaton LGX360039G Molded Case Breakers (MCCBs) EA

    MSRP $32,000.00
    Surplus $6,174.85
    SKU:  C15-9696 Brand:  Eaton MPN:  LGX360039G UPC:   Shipping Weight:  17.75 lbs. Shipping Height:  8.00 In. Shipping Length:  17.00 In. Shipping Width:  9.00 In. Product...
    SKU:
    C15-9696
    TS PIK:
    122577873
    Country of Origin:
    United States
    MSRP $32,000.00
    Surplus $6,174.85
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    Qty in Cart: 0
    Price:
    MSRP $32,000.00
    Surplus $6,174.85
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    Eaton MCASSPRR Circuit Breaker Accessories Cassette Cell Lock Provision Eaton MCASSPRR Circuit Breaker Accessories Cassette Cell Lock Provision
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    Eaton MCASSPRR Circuit Breaker Accessories Cassette Cell Lock Provision

    MSRP $1,675.00
    Surplus $668.74
    SKU:  C15-4162 Brand:  Eaton MPN:  MCASSPRR UPC:  782114624869 Shipping Weight:  1.35 lbs. Shipping Height:  4.00 In. Shipping Length:  8.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-4162
    Type:
    Cell Lock Provision Field Installable Kit
    Type:
    Right Side Mount
    Used On:
    Universal Magnum Frame Drawout Cassette Circuit Breaker
    Specification/Technical:
    Eaton_60692_1_SPEC.pdf
    Catalog:
    EatonCorp-CutlerHammer_00007_62_CAT.pdf
    Short Description:
    EATON MAGNUM OTHER ACCESSORIES, MAGNUM, UNIVERSAL, MCASSPRR
    Country of Origin:
    United States
    MSRP $1,675.00
    Surplus $668.74
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    Qty in Cart: 0
    Price:
    MSRP $1,675.00
    Surplus $668.74
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    Eaton MCP03150CR Molded Case Breakers (MCCBs) 3P 150A 50/60Hz 3Ph EA
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    Eaton MCP03150CR Molded Case Breakers (MCCBs) 3P 150A 50/60Hz 3Ph EA

    MSRP $2,000.00
    Surplus $281.25
    SKU:  U00-3247 Brand:  Eaton MPN:  MCP03150CR UPC:   Shipping Weight:  4.40 lbs. Shipping Height:  5.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In. Product...
    SKU:
    U00-3247
    MSRP $2,000.00
    Surplus $281.25
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    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $281.25
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    Eaton MUVRH Circuit Breaker Accessories
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    Eaton MUVRH Circuit Breaker Accessories

    MSRP $1,229.84
    Surplus $475.40
    SKU:  C15-11236 Brand:  Eaton MPN:  MUVRH UPC:  78211447346 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-11236
    TS PIK:
    121861064
    MSRP $1,229.84
    Surplus $475.40
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    Qty in Cart: 0
    Price:
    MSRP $1,229.84
    Surplus $475.40
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    Eaton NGC312032EVH09 Molded Case Breakers (MCCBs)
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    Eaton NGC312032EVH09 Molded Case Breakers (MCCBs)

    MSRP $32,186.00
    Surplus $7,634.47
    SKU:  C15-11310 Brand:  Eaton MPN:  NGC312032EVH09 UPC:   Shipping Weight:  46.45 lbs. Shipping Height:  12.00 In. Shipping Length:  20.00 In. Shipping Width:  11.00 In...
    SKU:
    C15-11310
    MSRP $32,186.00
    Surplus $7,634.47
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    Qty in Cart: 0
    Price:
    MSRP $32,186.00
    Surplus $7,634.47
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    Eaton NZM1-XTVDVR Circuit Breaker Accessories
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    Eaton NZM1-XTVDVR Circuit Breaker Accessories

    MSRP $458.00
    Surplus $75.39
    SKU:  C15-11482 Brand:  Eaton MPN:  NZM1-XTVDVR UPC:  4015082601782 Shipping Weight:  1.15 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-11482
    TS PIK:
    124502437
    MSRP $458.00
    Surplus $75.39
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    Qty in Cart: 0
    Price:
    MSRP $458.00
    Surplus $75.39
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    Eaton NZM2-XSM-L Circuit Breaker Accessories Main Breaker Kit Eaton NZM2-XSM-L Circuit Breaker Accessories Main Breaker Kit
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    Eaton NZM2-XSM-L Circuit Breaker Accessories Main Breaker Kit

    MSRP $1,050.00
    Surplus $155.05
    Eaton NZM2-XSM-L Circuit Breaker Accessories Main Breaker Kit​ ARCA SKU:  C15-3370 Brand:  Eaton MPN:  NZM2-XSM-L UPC:  015082666648 Shipping Weight:  5.95 Shipping Height:  8.00 In. Shipping...
    SKU:
    C15-3370
    Short Description:
    MAIN SWTH ASSEMBLY KIT LAT.LEFT
    MSRP $1,050.00
    Surplus $155.05
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    Qty in Cart: 0
    Price:
    MSRP $1,050.00
    Surplus $155.05
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    Eaton NZM3-XTDGVR-AB10V6 Circuit Breaker Accessories Rotary Handle Eaton NZM3-XTDGVR-AB10V6 Circuit Breaker Accessories Rotary Handle
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    Eaton NZM3-XTDGVR-AB10V6 Circuit Breaker Accessories Rotary Handle

    MSRP $700.00
    Surplus $198.12
    Eaton NZM3-XTDGVR-AB10V6 Circuit Breaker Accessories Rotary Handle​ ARCA SKU:  C15-3670 Brand:  Eaton MPN:  NZM3-XTDGVR-AB10V6 UPC:  015081192476 Shipping Weight:  3.30 Shipping Height:  6.00 In...
    SKU:
    C15-3670
    Type:
    Rotary Handle
    Type:
    Padlockable
    Used On:
    NZM3 Series Molded Case Circuit Breaker
    Short Description:
    Frame J-K, Red/Yellow, Padlockable, Rotary Handle for NZM3 Molded Case Circuit Breaker
    MSRP $700.00
    Surplus $198.12
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    Qty in Cart: 0
    Price:
    MSRP $700.00
    Surplus $198.12
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    Eaton NZM4-XKA Circuit Breaker Accessories
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    Eaton NZM4-XKA Circuit Breaker Accessories

    MSRP $2,046.10
    Surplus $826.07
    SKU:  C15-9540 Brand:  Eaton MPN:  NZM4-XKA UPC:  01508266836 Shipping Weight:  5.90 lbs. Shipping Height:  7.00 In. Shipping Length:  7.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-9540
    TS PIK:
    124502609
    MSRP $2,046.10
    Surplus $826.07
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    Qty in Cart: 0
    Price:
    MSRP $2,046.10
    Surplus $826.07
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    Eaton NZM4-XTVDVR-NA Circuit Breaker Accessories
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    Eaton NZM4-XTVDVR-NA Circuit Breaker Accessories

    MSRP $1,297.78
    Surplus $287.28
    SKU:  C15-11272 Brand:  Eaton MPN:  NZM4-XTVDVR-NA UPC:  01508271452 Shipping Weight:  4.30 lbs. Shipping Height:  7.00 In. Shipping Length:  10.00 In. Shipping Width:  7.00...
    SKU:
    C15-11272
    TS PIK:
    124502728
    Catalog:
    Eaton-Moeller_00013_254_CAT.pdf
    Used On:
    NZM4/N4 Series Molded Case Circuit Breaker, Switch Disconnector, Power Circuit Breaker
    Type:
    Door Coupling Rotary Handle, Lockable
    Data Sheet:
    Eaton-Moeller_00987_1-3_DATA.pdf
    Short Description:
    Size 4, NZM4 Frame, Double Lock, Red/Yellow, NEMA 4X/12, IP66, Lockable, Door Coupling Rotary Handle for NZM4/N4 Power Molded Case Circuit Breaker
    Country of Origin:
    Germany
    MSRP $1,297.78
    Surplus $287.28
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    Qty in Cart: 0
    Price:
    MSRP $1,297.78
    Surplus $287.28
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    Eaton NZMB2-A125-NA Molded Case Breakers (MCCBs)
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    Eaton NZMB2-A125-NA Molded Case Breakers (MCCBs)

    MSRP $4,602.00
    Surplus $735.00
    SKU:  C15-11261 Brand:  Eaton MPN:  NZMB2-A125-NA UPC:  4015082692148 Shipping Weight:  5.45 lbs. Shipping Height:  5.00 In. Shipping Length:  9.00 In. Shipping Width:  7.00...
    SKU:
    C15-11261
    TS PIK:
    124501779
    Interrupting Rating:
    25 kA
    Data Sheet:
    Eaton-Moeller_01066_1-9_DATA.pdf
    Number of Poles:
    3
    Voltage Rating:
    600 VAC Star/347 V, 480 V
    Short Description:
    600 VAC Star/347 VAC, 480 V, 125 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
    Terminal Type:
    Front Screw
    Catalog:
    Eaton-Moeller_00013_148_CAT.pdf
    Maximum AC Voltage Rating:
    600
    Current Rating:
    125 A
    Size:
    105 Millimeter Width x 149 Millimeter Depth x 184 Millimeter Height
    Installation/Operator:
    Eaton_00324_INST.pdf
    Country of Origin:
    Germany
    MSRP $4,602.00
    Surplus $735.00
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    Qty in Cart: 0
    Price:
    MSRP $4,602.00
    Surplus $735.00
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  • Eaton ORPK40A350 Circuit Breaker Accessories
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    Eaton ORPK40A350 Circuit Breaker Accessories

    MSRP $384.67
    Surplus $153.47
    SKU:  C15-11649 Brand:  Eaton MPN:  ORPK40A350 UPC:  78211442720 Shipping Weight:  0.05 lbs. Shipping Height:  1.00 In. Shipping Length:  1.00 In. Shipping Width:  1.00 In...
    SKU:
    C15-11649
    TS PIK:
    117057285
    Short Description:
    KD 400A FR KEP OPTIM 550 PLUG 350A
    MSRP $384.67
    Surplus $153.47
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    Qty in Cart: 0
    Price:
    MSRP $384.67
    Surplus $153.47
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    Eaton ORPK40A400 Rating Plug Eaton ORPK40A400 Rating Plug
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    Eaton ORPK40A400 Rating Plug

    MSRP $349.70
    Surplus $95.93
    SKU:  A13-1535 Brand:  Eaton MPN:  ORPK40A400 UPC:  78211442721 Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping Length:  1.00 In. Shipping Width:  1.00 In...
    SKU:
    A13-1535
    TS PIK:
    117057286
    Short Description:
    400 A, K Frame, Fixed, Electronic OPTIM 550 Digitrip, Molded Case Circuit Breaker Rating Plug
    Type:
    Digitrip OPTIM 550
    Maximum Breaker Current Rating:
    400 A
    Catalog:
    Eaton_03771_V4T2_273-V4T2_282_CAT.pdf
    Approval:
    UL
    Frame Type:
    K
    Plug Current Rating:
    400 A
    MSRP $349.70
    Surplus $95.93
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    Qty in Cart: 0
    Price:
    MSRP $349.70
    Surplus $95.93
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    Eaton PDD23F0200TFFL Molded Case Breakers (MCCBs) EA Eaton PDD23F0200TFFL Molded Case Breakers (MCCBs) EA
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    Eaton PDD23F0200TFFL Molded Case Breakers (MCCBs) EA

    MSRP $822.60
    Surplus $296.14
    SKU:  C15-9588 Brand:  Eaton MPN:  PDD23F0200TFFL UPC:  78668704283 Shipping Weight:  4.80 lbs. Shipping Height:  6.00 In. Shipping Length:  7.00 In. Shipping Width:  8.00 In...
    SKU:
    C15-9588
    TS PIK:
    127810488
    Short Description:
    EATON POWER DEFENSE MOLDED CASE CIRCUIT BREAKER, UL/CSA 240V MAX, FRAME 2, THREE
    MSRP $822.60
    Surplus $296.14
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    Qty in Cart: 0
    Price:
    MSRP $822.60
    Surplus $296.14
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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.