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 KT4400TA Trip Units Eaton KT4400TA Trip Units
    See Availability
    Quick view

    Eaton KT4400TA Trip Units

    MSRP $2,416.79
    Surplus $643.89
    SKU:  A13-1609 Brand:  Eaton MPN:  KT4400TA UPC:  78667919778 Shipping Weight:  2.65 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  6.00 In...
    SKU:
    A13-1609
    TS PIK:
    106999508
    MSRP $2,416.79
    Surplus $643.89
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,416.79
    Surplus $643.89
    See Availability
  • Eaton KYK4 Circuit Breaker Accessories Eaton KYK4 Circuit Breaker Accessories
    See Availability
    Quick view

    Eaton KYK4 Circuit Breaker Accessories

    MSRP $454.00
    Surplus $313.01
    SKU:  C15-3909 Brand:  Eaton MPN:  KYK4 UPC:  786679395103 Shipping Weight:  1.00 lbs. Shipping Height:  2.00 In. Shipping Length:  7.00 In. Shipping Width:  5.00 In...
    SKU:
    C15-3909
    Frame:
    J-K
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY KEY INTERLOCK KIT, KEY INTERLOCK KIT
    TS PIK:
    107002735
    Country of Origin:
    United States
    MSRP $454.00
    Surplus $313.01
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $454.00
    Surplus $313.01
    See Availability
  • Contact Us For Quote
    Eaton L-32-691 Circuit Breaker Accessories DS Breaker Test Kit 3A 120V 50/60Hz Eaton L-32-691 Circuit Breaker Accessories DS Breaker Test Kit 3A 120V 50/60Hz
    Quick view

    Eaton L-32-691 Circuit Breaker Accessories DS Breaker Test Kit 3A 120V 50/60Hz

    MSRP $10,000.00
    Surplus $2,558.58
    SKU:  C15-1981 Brand:  Eaton MPN:  L-32-691 UPC:   Shipping Weight:  19.00 lbs. Shipping Height:  12.00 In. Shipping Length:  13.00 In. Shipping Width:  11.00 In. Product...
    SKU:
    C15-1981
    Volts:
    120 V
    Amps:
    3 A
    Frequency Rating:
    50/60 Hz
    MSRP $10,000.00
    Surplus $2,558.58
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $10,000.00
    Surplus $2,558.58
    Contact Us For Quote
  • Eaton L3RTWK Circuit Breaker Accessories Eaton L3RTWK Circuit Breaker Accessories
    See Availability
    Quick view

    Eaton L3RTWK Circuit Breaker Accessories

    MSRP $49.25
    Surplus $25.45
    Eaton L3RTWK Circuit Breaker Accessories​ ARCA SKU:  C15-3600 Brand:  Eaton MPN:  L3RTWK UPC:  782116157419 Shipping Weight:  0.35 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-3600
    Type:
    End Cap Kit
    Type:
    Metric
    Used On:
    G-Series J/K/LG Frame Molded Case Circuit Breaker
    Specification/Technical:
    Eaton_60849_1_2_SPEC.pdf
    TS PIK:
    120338269
    Catalog:
    EatonCorp-CutlerHammer_00123_V4T2_518_CAT.pdf
    Short Description:
    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY END CAP KIT, END CAP KIT, THREE-POLE
    Country of Origin:
    United States
    MSRP $49.25
    Surplus $25.45
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $49.25
    Surplus $25.45
    See Availability
  • Contact Us For Quote
    Eaton LBH60 Conduit Fittings Eaton LBH60 Conduit Fittings
    Quick view

    Eaton LBH60 Conduit Fittings

    MSRP $513.69
    Surplus $240.57
    SKU:  C26-2550 Brand:  Eaton MPN:  LBH60 UPC:  782274519500 Shipping Weight:  16.25 lbs. Shipping Height:  6.00 In. Shipping Length:  14.00 In. Shipping Width:  8.00 In...
    SKU:
    C26-2550
    Series:
    LBH
    Approval:
    UL 1203
    Approval:
    CSA C22.2
    Material:
    Feraloy Iron Alloy
    Finish:
    Electrogalvanized Aluminum Acrylic Painted
    Trade Size:
    2 Inch
    Connection Type:
    Female
    Bend Angle:
    90 Degree
    Short Description:
    2" Hub, Threaded, Electrogalvanized Aluminum Acrylic Painted, Feraloy Iron Alloy, 2-Hub, LB-Type
    Catalog:
    Eaton-CrouseHinds_00325_71_72_CAT.pdf
    MSRP $513.69
    Surplus $240.57
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $513.69
    Surplus $240.57
    Contact Us For Quote
  • Eaton LCL400 Circuit Breaker Accessories EA
    See Availability
    Quick view

    Eaton LCL400 Circuit Breaker Accessories EA

    MSRP $5,702.20
    Surplus $861.43
    SKU:  C15-9460 Brand:  Eaton MPN:  LCL400 UPC:   Shipping Weight:  0.05 lbs. Shipping Height:  2.00 In. Shipping Length:  3.00 In. Shipping Width:  3.00 In. Product...
    SKU:
    C15-9460
    Country of Origin:
    Mexico
    Short Description:
    UL CLASS L TIME DELAY600V
    MSRP $5,702.20
    Surplus $861.43
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $5,702.20
    Surplus $861.43
    See Availability
  • Eaton LD2500 Molded Case Breakers (MCCBs) LD 2P 500A 600V 50/60Hz 2Ph L Frame Eaton LD2500 Molded Case Breakers (MCCBs) LD 2P 500A 600V 50/60Hz 2Ph L Frame
    See Availability
    Quick view

    Eaton LD2500 Molded Case Breakers (MCCBs) LD 2P 500A 600V 50/60Hz 2Ph L Frame

    MSRP $14,656.00
    Surplus $2,668.78
    SKU:  C15-3414 Brand:  Eaton MPN:  LD2500 UPC:  786679023143 Shipping Weight:  19.75 lbs. Shipping Height:  8.00 In. Shipping Length:  13.00 In. Shipping Width:  11.00 In...
    SKU:
    C15-3414
    Series:
    C
    Volts:
    600 V
    Amps:
    500 A
    Poles:
    2
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, L-FRAME, LD, COMPLETE BREAK
    MSRP $14,656.00
    Surplus $2,668.78
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $14,656.00
    Surplus $2,668.78
    See Availability
  • Contact Us For Quote
    Eaton LD2600 Molded Case Breakers (MCCBs) LD 2P 600A 600V 50/60Hz 2Ph L Frame Eaton LD2600 Molded Case Breakers (MCCBs) LD 2P 600A 600V 50/60Hz 2Ph L Frame
    Quick view

    Eaton LD2600 Molded Case Breakers (MCCBs) LD 2P 600A 600V 50/60Hz 2Ph L Frame

    MSRP $10,768.85
    Surplus $775.48
    SKU:  C15-1729 Brand:  Eaton MPN:  LD2600 UPC:  786679029107 Shipping Weight:  19.70 lbs. Shipping Height:  8.00 In. Shipping Length:  11.00 In. Shipping Width:  14.00 In...
    SKU:
    C15-1729
    Series:
    C
    Volts:
    600 V
    Amps:
    600 A
    Poles:
    2
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER, L-FRAME, LD, COMPLETE BREAK
    MSRP $10,768.85
    Surplus $775.48
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $10,768.85
    Surplus $775.48
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LD2600F Molded Case Breakers (MCCBs) LD 2P 600A 600V 50/60Hz 2Ph L Frame
    Quick view

    Eaton LD2600F Molded Case Breakers (MCCBs) LD 2P 600A 600V 50/60Hz 2Ph L Frame

    MSRP $7,250.00
    Surplus $2,462.27
    SKU:  C15-3767 Brand:  Eaton MPN:  LD2600F UPC:  786679148198 Shipping Weight:  13.05 lbs. Shipping Height:  8.00 In. Shipping Length:  11.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-3767
    Series:
    C
    Volts:
    600 V
    Amps:
    600 A
    Poles:
    2
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    EATON SERIES C MOLDED CASE CIRCUIT BREAKER FRAME, L-FRAME, LD, FRAME ONLY, FIXED
    MSRP $7,250.00
    Surplus $2,462.27
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $7,250.00
    Surplus $2,462.27
    Contact Us For Quote
  • Eaton LD3450 Molded Case Breakers (MCCBs) LD 3P 450A 600V 50/60Hz 3Ph L Frame Eaton LD3450 Molded Case Breakers (MCCBs) LD 3P 450A 600V 50/60Hz 3Ph L Frame
    See Availability
    Quick view

    Eaton LD3450 Molded Case Breakers (MCCBs) LD 3P 450A 600V 50/60Hz 3Ph L Frame

    MSRP $15,000.00
    Surplus $4,883.76
    SKU:  C15-3475 Brand:  Eaton MPN:  LD3450 UPC:  786679015612 Shipping Weight:  19.85 lbs. Shipping Height:  8.00 In. Shipping Length:  18.00 In. Shipping Width:  12.00 In...
    SKU:
    C15-3475
    Frame Type:
    LD
    Voltage Rating:
    600 VAC
    Current Rating:
    32 A
    Number of Poles:
    3
    Interrupting Rating:
    35 kA at 480 VAC
    Type:
    Molded Case
    Maximum AC Voltage Rating:
    600 VAC
    Maximum DC Voltage Rating:
    250 VDC
    Terminal Type:
    Aluminum/Copper Standard Pressure Line and Load Terminal
    Size:
    8.25 Inch W x 4.06 Inch D x 10.75 Inch H
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 450 A, 35 kA, 3-Pole, LD Frame, Thermal Magnetic, Molded Case
    Catalog:
    Eaton_27487_V4T2_254_V4T2_255_V4T2_323_V4T2_324_CAT.pdf
    Installation/Operator:
    Eaton_00486_INST.pdf
    Specification/Technical:
    Eaton_08805_1_2_SPEC.pdf
    Series:
    C
    Approval:
    UL 489, CE
    MSRP $15,000.00
    Surplus $4,883.76
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $15,000.00
    Surplus $4,883.76
    See Availability
  • Contact Us For Quote
    Eaton LD3600F Molded Case Breakers (MCCBs)
    Quick view

    Eaton LD3600F Molded Case Breakers (MCCBs)

    MSRP $7,329.00
    Surplus $2,093.72
    SKU:  C15-11707 Brand:  Eaton MPN:  LD3600F UPC:   Shipping Weight:  14.70 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  9.00 In. Product...
    SKU:
    C15-11707
    TS PIK:
    21505145
    MSRP $7,329.00
    Surplus $2,093.72
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $7,329.00
    Surplus $2,093.72
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LD3600K Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame Eaton LD3600K Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame
    Quick view

    Eaton LD3600K Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame

    MSRP $14,341.00
    Surplus $4,809.49
    SKU:  C15-2952 Brand:  Eaton MPN:  LD3600K UPC:  786679561904 Shipping Weight:  20.10 lbs. Shipping Height:  8.00 In. Shipping Length:  14.00 In. Shipping Width:  11.00 In...
    SKU:
    C15-2952
    Series:
    C
    Volts:
    600 V
    Amps:
    600 A
    Poles:
    3
    Frequency Rating:
    50/60 Hz
    Frame:
    L
    Short Description:
    EATON SERIES C MOLDED CASE SWITCH, L-FRAME, LD, MOLDED CASE SWITCH, FIXED THERMA
    MSRP $14,341.00
    Surplus $4,809.49
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $14,341.00
    Surplus $4,809.49
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LD3600KA13X04Y20 Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame Eaton LD3600KA13X04Y20 Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame
    Quick view

    Eaton LD3600KA13X04Y20 Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame

    MSRP $16,700.00
    Surplus $5,397.06
    SKU:  C15-2669 Brand:  Eaton MPN:  LD3600KA13X04Y20 UPC:  786679082218 Shipping Weight:  21.85 lbs. Shipping Height:  8.00 In. Shipping Length:  14.00 In. Shipping Width:  12...
    SKU:
    C15-2669
    Frame Type:
    LD
    Voltage Rating:
    600 VAC
    Current Rating:
    32 A
    Number of Poles:
    3
    Interrupting Rating:
    35 kA at 480 VAC
    Type:
    Molded Case
    Maximum AC Voltage Rating:
    600 Volt
    Terminal Type:
    Line and Load Lug
    Size:
    8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 600 A, 35 kA, 3-Pole, LD Frame, Interchangeable Trip, Thermal Magnetic
    Catalog:
    Eaton_46579_V4T2_254_V4T2_255_V4T2_299-V4T2_348_CAT.pdf
    Installation/Operator:
    Eaton_00114_INST.pdf
    Specification/Technical:
    Eaton_08815_1_2_SPEC.pdf
    MSRP $16,700.00
    Surplus $5,397.06
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $16,700.00
    Surplus $5,397.06
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LD3600W Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame Eaton LD3600W Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame
    Quick view

    Eaton LD3600W Molded Case Breakers (MCCBs) LD 3P 600A 600V 50/60Hz 3Ph L Frame

    MSRP $12,700.00
    Surplus $3,425.06
    SKU:  C15-4296 Brand:  Eaton MPN:  LD3600W UPC:  782114869345 Shipping Weight:  19.20 lbs. Shipping Height:  8.00 In. Shipping Length:  14.00 In. Shipping Width:  12.00 In...
    SKU:
    C15-4296
    Frame Type:
    L
    Voltage Rating:
    600 V
    Current Rating:
    600 A
    Number of Poles:
    3
    Interrupting Rating:
    65 kA at 240 Vac, 35 kA at 480 Vac
    Short Description:
    Eaton Series C complete molded case circuit breaker, L-frame, LD, Complete breaker, Fixed thermal, Fixed magnetic trip, Three-pole, 600 A, 600 Vac, 250 Vdc, 65 kA at 240 Vac, 35 kA at 480 Vac, Aluminum, Line and load, 50/60 Hz
    MSRP $12,700.00
    Surplus $3,425.06
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $12,700.00
    Surplus $3,425.06
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LD3600WK Molded Case Breakers (MCCBs) EA
    Quick view

    Eaton LD3600WK Molded Case Breakers (MCCBs) EA

    MSRP $17,029.08
    Surplus $2,825.22
    SKU:  C15-9787 Brand:  Eaton MPN:  LD3600WK UPC:  78667935318 Shipping Weight:  17.00 lbs. Shipping Height:  4.00 In. Shipping Length:  12.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-9787
    TS PIK:
    21509863
    Voltage Rating:
    600 VAC 50/60 Hertz, 250 VDC
    Interrupting Rating:
    65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC, 22 kA at 250 VDC (UL), 85 kA at 240 VAC, 45 kA at 415 VAC, 20 kA at 690 VAC/250 VDC (IEC)
    Maximum AC Voltage Rating:
    600 V
    Current Rating:
    600 A
    Maximum DC Voltage Rating:
    250 V
    Installation/Operator:
    EatonCorp_00029_INST.pdf
    Terminal Type:
    Aluminum Standard Pressure Line and Load
    Number of Poles:
    3
    Size:
    8.25 Inch Width x 4.06 Inch Depth x 10.75 Inch Height
    Frame Type:
    LD
    Catalog:
    EatonCorp_00274_V4T2_259_V4T2_260_V4T2_328-V4T2_330_CAT.pdf
    Short Description:
    600 VAC 50/60 Hz, 250 VDC, 600 A, 35 kA Interrupt, 3-Pole, LD Frame, High Thermal Magnetic, Molded Case, Interchangeable Trip Circuit Breaker without Terminal
    Type:
    Thermal Magnetic, Standard Interrupting Capacity, Molded Case
    Country of Origin:
    United States
    MSRP $17,029.08
    Surplus $2,825.22
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $17,029.08
    Surplus $2,825.22
    Contact Us For Quote
  • Contact Us For Quote
    Eaton LDB3350 Molded Case Breakers (MCCBs) LDB 3P 350A 600V 50/60Hz 3Ph L Frame Eaton LDB3350 Molded Case Breakers (MCCBs) LDB 3P 350A 600V 50/60Hz 3Ph L Frame
    Quick view

    Eaton LDB3350 Molded Case Breakers (MCCBs) LDB 3P 350A 600V 50/60Hz 3Ph L Frame

    MSRP $2,000.00
    Surplus $2,178.10
    SKU:  C15-4700 Brand:  Eaton MPN:  LDB3350 UPC:   Shipping Weight:  18.50 lbs. Shipping Height:  6.00 In. Shipping Length:  9.00 In. Shipping Width:  11.00 In. Product...
    SKU:
    C15-4700
    Frame Type:
    LDB
    Voltage Rating:
    600 V
    Current Rating:
    350 A
    Number of Poles:
    3
    Short Description:
    Westinghouse,Eaton,Cutler Hammer, Series C, type LDB, 3P, 3PH, 350A, 600V, 35kA@480V, standard interrupting capacity, 40ºC, Feed-Thru, complete with non-interchangeable
    MSRP $2,000.00
    Surplus $2,178.10
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,000.00
    Surplus $2,178.10
    Contact Us For Quote
  • Eaton LDB3450 Molded Case Breakers (MCCBs) Eaton LDB3450 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Eaton LDB3450 Molded Case Breakers (MCCBs)

    MSRP $14,787.00
    Surplus $5,845.08
    SKU:  C15-11896 Brand:  Eaton MPN:  LDB3450 UPC:   Shipping Weight:  21.05 lbs. Shipping Height:  8.00 In. Shipping Length:  11.00 In. Shipping Width:  14.00 In. Product...
    SKU:
    C15-11896
    TS PIK:
    106998277
    MSRP $14,787.00
    Surplus $5,845.08
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $14,787.00
    Surplus $5,845.08
    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.