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
  • Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA
    See Availability
    Quick view

    Siemens MBKFD3225A Molded Case Breakers (MCCBs) EA

    MSRP $9,000.00
    Surplus $802.17
    SKU:  C15-9640 Brand:  Siemens MPN:  MBKFD3225A UPC:  887621791650 Shipping Weight:  12.95 lbs. Shipping Height:  9.00 In. Shipping Length:  15.00 In. Shipping Width:  10.00...
    SKU:
    C15-9640
    TS PIK:
    126055062
    Short Description:
    Mounting Kit for 600 V 3-Pole 225 A 65 kA FXD63B225 Panelboard Main Circuit Breaker
    Type:
    Mounting Kit
    Catalog:
    SiemensAG_00565_11_14_CAT.pdf
    Country of Origin:
    Mexico
    Used On:
    FXD6 Panelboard Circuit Breaker
    MSRP $9,000.00
    Surplus $802.17
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $9,000.00
    Surplus $802.17
    See Availability
  • Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz
    See Availability
    Quick view

    Siemens MBKFD3A Circuit Breaker Accessories 50/60Hz

    MSRP $1,325.00
    Surplus $377.72
    SKU:  C15-1426 Brand:  Siemens MPN:  MBKFD3A UPC:  887621579098 Shipping Weight:  3.60 lbs. Shipping Height:  4.50 In. Shipping Length:  14.00 In. Shipping Width:  8.50 In...
    SKU:
    C15-1426
    Type:
    Mounting Kit
    Type:
    Main/Sub Feed
    Used On:
    250 A 3- Phase FD6/FXD6/HFD6/HFXD6 Circuit Breaker
    Used On:
    Revised P1 Panelboard
    Short Description:
    Mounting Kit with Filler for 250 A 3-Phase FD6/FXD6/HFD6/HFXD6 Frame Revised P1 Interior Panelboard Main/Subfeed Circuit Breaker
    Data Sheet:
    SiemensAG_06480_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00417_INST.pdf
    Catalog:
    SiemensAG_00565_11_13_CAT.pdf
    Country of Origin:
    United States
    MSRP $1,325.00
    Surplus $377.72
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,325.00
    Surplus $377.72
    See Availability
  • Contact Us For Quote
    Siemens MBKJD3 Circuit Breaker Accessories
    Quick view

    Siemens MBKJD3 Circuit Breaker Accessories

    MSRP $229.99
    Surplus $320.24
    SKU:  C15-11535 Brand:  Siemens MPN:  MBKJD3 UPC:  78364336948 Shipping Weight:  3.25 lbs. Shipping Height:  5.00 In. Shipping Length:  13.00 In. Shipping Width:  9.00 In...
    SKU:
    C15-11535
    TS PIK:
    118082410
    MSRP $229.99
    Surplus $320.24
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $229.99
    Surplus $320.24
    Contact Us For Quote
  • Siemens MBKJD3400 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MBKJD3400 Molded Case Breakers (MCCBs)

    MSRP $22,242.00
    Surplus $1,866.60
    SKU:  C15-7484 Brand:  Siemens MPN:  MBKJD3400 UPC:  78364339279 Shipping Weight:  24.50 lbs. Shipping Height:  9.00 In. Shipping Length:  14.00 In. Shipping Width:  13.00 In...
    SKU:
    C15-7484
    TS PIK:
    115459160
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Number of Poles:
    3
    Type:
    Mounting Kit
    Short Description:
    Mounting Kit for 3-Pole 400 A 65/35 kA JXD6 Frame JXD63B400 P1 Panelboard Main Circuit Breaker
    Country of Origin:
    Mexico
    MSRP $22,242.00
    Surplus $1,866.60
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $22,242.00
    Surplus $1,866.60
    See Availability
  • Siemens MBKQJ1150 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MBKQJ1150 Molded Case Breakers (MCCBs)

    MSRP $1,380.00
    Surplus $266.38
    SKU:  C15-7485 Brand:  Siemens MPN:  MBKQJ1150 UPC:  78364309603 Shipping Weight:  5.55 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-7485
    TS PIK:
    120152286
    Type:
    Main
    Interrupting Rating:
    10 kA at 240 VAC
    Short Description:
    Mounting Kit for 240 V 150 A 10 kA 2-Pole QJ2/QR2 Panelboard Main Breaker
    Current Rating:
    150 A
    Number of Poles:
    2
    Series:
    MBK
    Voltage Rating:
    240/480 V
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Country of Origin:
    Mexico
    MSRP $1,380.00
    Surplus $266.38
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,380.00
    Surplus $266.38
    See Availability
  • Siemens MBKQJ1150HA Circuit Breaker Accessories
    See Availability
    Quick view

    Siemens MBKQJ1150HA Circuit Breaker Accessories

    MSRP $2,609.00
    Surplus $649.29
    SKU:  C15-7486 Brand:  Siemens MPN:  MBKQJ1150HA UPC:  88762179137 Shipping Weight:  6.50 lbs. Shipping Height:  9.00 In. Shipping Length:  15.00 In. Shipping Width:  11.00...
    SKU:
    C15-7486
    Short Description:
    RP1 BREAKER KIT 1PH 240V 42kA QJ22B150H
    Country of Origin:
    Mexico
    MSRP $2,609.00
    Surplus $649.29
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,609.00
    Surplus $649.29
    See Availability
  • Contact Us For Quote
    Siemens MBKQJ1225 Circuit Breaker Accessories Breaker Mounting Kit
    Quick view

    Siemens MBKQJ1225 Circuit Breaker Accessories Breaker Mounting Kit

    MSRP $1,600.00
    Surplus $664.56
    SKU:  C15-3925 Brand:  Siemens MPN:  MBKQJ1225 UPC:  783643096059 Shipping Weight:  5.50 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-3925
    Application:
    Lighting
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Amps:
    225 A
    Installation:
    0
    Interrupting Rating:
    10 Kiloampere at 240 VAC
    Poles:
    2
    Trip Setting:
    0
    Type:
    Main
    Used On:
    Panelboard
    Volts:
    240/480 V
    Short Description:
    Mounting Kit for 240 V 225 A 10 kA 2-Pole QJ2/QR2 Panelboard Main Breaker
    Series:
    MBK
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    MSRP $1,600.00
    Surplus $664.56
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,600.00
    Surplus $664.56
    Contact Us For Quote
  • Contact Us For Quote
    Siemens MBKQJ3 Circuit Breaker Accessories Circuit Breaker Mounting Kit 3Ph 3 Phase Siemens MBKQJ3 Circuit Breaker Accessories Circuit Breaker Mounting Kit 3Ph 3 Phase
    Quick view

    Siemens MBKQJ3 Circuit Breaker Accessories Circuit Breaker Mounting Kit 3Ph 3 Phase

    MSRP $1,850.00
    Surplus $749.25
    SKU:  C15-2272 Brand:  Siemens MPN:  MBKQJ3 UPC:   Shipping Weight:  2.85 lbs. Shipping Height:  4.50 In. Shipping Length:  13.70 In. Shipping Width:  8.70 In. Product...
    SKU:
    C15-2272
    Mounting:
    Bolt-On
    Number of Breakers:
    0
    Poles:
    2
    Poles:
    3
    Type:
    Breaker Mounting Kit
    Used On:
    225 A QJ2/QJH2/QJ2-H Frame Panelboard Mounting Circuit Breaker
    Short Description:
    Mounting Kit for 225 A 3-Phase QJ2/QJH2/QJ2H Frame P1 Interior Panelboard Main/Subfeed Circuit Breaker
    Data Sheet:
    SiemensAG_06487_1_DATA.pdf
    Catalog:
    SiemensAG_01822_2_CAT.pdf
    MSRP $1,850.00
    Surplus $749.25
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $1,850.00
    Surplus $749.25
    Contact Us For Quote
  • Siemens MBKQJ3125A Miniature Circuit Breakers (MCBs)
    See Availability
    Quick view

    Siemens MBKQJ3125A Miniature Circuit Breakers (MCBs)

    MSRP $3,087.00
    Surplus $929.94
    SKU:  C15-7487 Brand:  Siemens MPN:  MBKQJ3125A UPC:  88762179009 Shipping Weight:  8.20 lbs. Shipping Height:  9.00 In. Shipping Length:  15.00 In. Shipping Width:  10.00 In...
    SKU:
    C15-7487
    TS PIK:
    115459205
    Series:
    Series MBK
    Used On:
    Sentron P1 Panelboard
    Type:
    Main
    Number of Poles:
    3
    Catalog:
    SiemensAG_01822_1_CAT.pdf
    Short Description:
    Mounting Kit for 240 V 125 A 10 kA 3-Pole QJ2/QR2 Panelboard Main Breaker
    Interrupting Rating:
    10 kA at 240 VAC (UL)
    Current Rating:
    125 A
    Voltage Rating:
    240 VAC at 60 Hz
    Country of Origin:
    Mexico
    MSRP $3,087.00
    Surplus $929.94
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $3,087.00
    Surplus $929.94
    See Availability
  • Siemens MBKQJ3150 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MBKQJ3150 Molded Case Breakers (MCCBs)

    MSRP $3,226.00
    Surplus $610.91
    SKU:  C15-11537 Brand:  Siemens MPN:  MBKQJ3150 UPC:  78364309607 Shipping Weight:  7.75 lbs. Shipping Height:  7.00 In. Shipping Length:  11.00 In. Shipping Width:  6.00 In...
    SKU:
    C15-11537
    TS PIK:
    115585177
    MSRP $3,226.00
    Surplus $610.91
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $3,226.00
    Surplus $610.91
    See Availability
  • Siemens MBKQR1200A Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MBKQR1200A Molded Case Breakers (MCCBs)

    MSRP $721.00
    Surplus $277.99
    SKU:  C15-11971 Brand:  Siemens MPN:  MBKQR1200A UPC:   Shipping Weight:  6.05 lbs. Shipping Height:  10.00 In. Shipping Length:  15.00 In. Shipping Width:  10.00 In...
    SKU:
    C15-11971
    TS PIK:
    126797075
    Short Description:
    Mounting Kit with Strap for 240 VAC 1-Phase 2-Pole 200 A 10 kA QR2 Frame QR22B200 Revised P1 Panelboard Main Circuit Breaker
    Catalog:
    SiemensAG_00565_11_14_CAT.pdf
    Type:
    Mounting Kit
    Country of Origin:
    MEX
    Data Sheet:
    SiemensAG_06489_1_DATA.pdf
    Used On:
    2-Pole 10 kA P1 Panelboard Low Vage Circuit Breaker
    MSRP $721.00
    Surplus $277.99
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $721.00
    Surplus $277.99
    See Availability
  • Contact Us For Quote
    Siemens MBKQR1A Circuit Breaker Accessories EA Siemens MBKQR1A Circuit Breaker Accessories EA
    Quick view

    Siemens MBKQR1A Circuit Breaker Accessories EA

    MSRP $750.00
    Surplus $319.20
    Siemens MBKQR1A Circuit Breaker Accessories EA​ ARCA SKU:  C15-2431 Brand:  Siemens MPN:  MBKQR1A UPC:  804766162107 Shipping Weight:  2.40 lbs. Shipping Height:  4.50 In. Shipping...
    SKU:
    C15-2431
    Short Description:
    RP1 KIT QR MAIN/SUBFEED BREAKER 1PH
    MSRP $750.00
    Surplus $319.20
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $750.00
    Surplus $319.20
    Contact Us For Quote
  • Siemens MBKVAM3225A Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MBKVAM3225A Molded Case Breakers (MCCBs)

    MSRP $2,074.00
    Surplus $614.85
    SKU:  C15-11973 Brand:  Siemens MPN:  MBKVAM3225A UPC:   Shipping Weight:  9.95 lbs. Shipping Height:  10.00 In. Shipping Length:  15.00 In. Shipping Width:  10.00 In...
    SKU:
    C15-11973
    Country of Origin:
    CZE
    Short Description:
    RP1 225A MB KIT, 35kA 3PH 3VA52
    MSRP $2,074.00
    Surplus $614.85
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $2,074.00
    Surplus $614.85
    See Availability
  • Siemens MD62F800 Molded Case Breakers (MCCBs)
    See Availability
    Quick view

    Siemens MD62F800 Molded Case Breakers (MCCBs)

    MSRP $7,789.00
    Surplus $1,548.42
    SKU:  C15-7488 Brand:  Siemens MPN:  MD62F800 UPC:  78364321449 Shipping Weight:  45.05 lbs. Shipping Height:  10.00 In. Shipping Length:  17.00 In. Shipping Width:  13.00 In...
    SKU:
    C15-7488
    TS PIK:
    120152381
    Country of Origin:
    Mexico
    MSRP $7,789.00
    Surplus $1,548.42
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $7,789.00
    Surplus $1,548.42
    See Availability
  • Contact Us For Quote
    Siemens MD63B800 Molded Case Breakers (MCCBs) 3P 800A 600V
    Quick view

    Siemens MD63B800 Molded Case Breakers (MCCBs) 3P 800A 600V

    MSRP $20,311.00
    Surplus $7,311.96
    Siemens MD63B800 Molded Case Breakers (MCCBs) 3P 800A 600V​ ARCA SKU:  C15-7623 Brand:  Siemens MPN:  MD63B800 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping...
    SKU:
    C15-7623
    MSRP $20,311.00
    Surplus $7,311.96
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $20,311.00
    Surplus $7,311.96
    Contact Us For Quote
  • Siemens MD63F800 Molded Case Breakers (MCCBs) MD 3P 800A 600V 50/60Hz 3Ph Siemens MD63F800 Molded Case Breakers (MCCBs) MD 3P 800A 600V 50/60Hz 3Ph
    See Availability
    Quick view

    Siemens MD63F800 Molded Case Breakers (MCCBs) MD 3P 800A 600V 50/60Hz 3Ph

    MSRP $6,952.00
    Surplus $3,374.21
    SKU:  C15-1443 Brand:  Siemens MPN:  MD63F800 UPC:  783643214507 Shipping Weight:  48.50 lbs. Shipping Height:  10.00 In. Shipping Length:  19.00 In. Shipping Width:  12.00...
    SKU:
    C15-1443
    Type:
    MD Frame
    Size:
    16 Inch L x 9 Inch W x 6 Inch D
    Volts:
    600 VAC/500 VDC
    Amps:
    32 A
    Poles:
    3
    Interrupting Rating:
    65 kA at 240 VAC
    Interrupting Rating:
    50 kA at 480 VAC
    Interrupting Rating:
    25 kA at 600 VAC/500 VDC (UL)
    Interrupting Rating:
    65 kA at 220/240 VAC
    Interrupting Rating:
    40 kA at 380/415 VAC (IEC)
    Terminal Type:
    Line Lug
    Terminal Type:
    Load Lug
    Maximum AC Voltage Rating:
    600 V
    Maximum DC Voltage Rating:
    500 V
    Short Description:
    600 VAC, 500 VDC, 500 to 800 A, 25 kA, 3-Pole, Molded Case, Thermal Magnetic, MD Frame
    Catalog:
    SiemensAG_00564_7_3-7_5_7_129_CAT.pdf
    Number of Poles:
    3
    Current Rating:
    800 A
    Voltage Rating:
    600 VAC
    Frame Type:
    MD
    Country of Origin:
    Mexico
    MSRP $6,952.00
    Surplus $3,374.21
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $6,952.00
    Surplus $3,374.21
    See Availability
  • See Availability
    Quick view

    Siemens MD63T500 Molded Case Breakers (MCCBs) EA

    MSRP $10,500.00
    Surplus $2,817.46
    SKU:  C15-10496 Brand:  Siemens MPN:  MD63T500 UPC:  78364321481 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10496
    TS PIK:
    21367729
    Country of Origin:
    Mexico
    MSRP $10,500.00
    Surplus $2,817.46
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $10,500.00
    Surplus $2,817.46
    See Availability
  • Contact Us For Quote
    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph
    Quick view

    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph

    MSRP $79.00
    Surplus $53.59
    Siemens MP115DF Miniature Circuit Breakers (MCBs) MP 1P 15A 120V 50/60Hz 1Ph​ ARCA SKU:  C15-4047 Brand:  Siemens MPN:  MP115DF UPC:  887621817244 Shipping Weight:  0.30 Shipping Height:  1.00...
    SKU:
    C15-4047
    Approval:
    UL 1699/943
    Size:
    3 Inch W x 1 Inch D x 4.5 Inch H
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Application:
    HACR
    Application:
    120 VAC Fluorescent Lighting
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Poles:
    1
    Short Description:
    120 VAC, 15 A, 10 kA, 1-Pole, Plug-In Mount, MP-GAT2 Frame, AFCI/GFCI
    Data Sheet:
    SiemensAG_06571_1_DATA.pdf
    MSRP $79.00
    Surplus $53.59
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $79.00
    Surplus $53.59
    Contact Us For Quote
  • Contact Us For Quote
    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph
    Quick view

    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph

    MSRP $181.00
    Surplus $53.96
    Siemens MP130GF Miniature Circuit Breakers (MCBs) MP 1P 30A 230V 50/60Hz 1Ph​ ARCA SKU:  C15-3970 Brand:  Siemens MPN:  MP130GF UPC:  040892522259 Shipping Weight:  1.05 Shipping Height:  3.00...
    SKU:
    C15-3970
    Type:
    Circuit Interrupter
    Approval:
    UL 489/943
    Approval:
    CSA C22.2
    Size:
    1 Inch W x 2.66 Inch D x 2.84 Inch H
    Volts:
    120 VAC
    Amps:
    32 A
    Used On:
    Loadcenter
    Poles:
    1
    Mounting:
    Plug-In
    Interrupting Rating:
    10 kA
    Terminal Type:
    Load Lug
    Wire Size:
    14 to 10 AWG (Copper)
    Wire Size:
    12 to 8 AWG (Aluminum)
    Trip Sensitivity:
    5 Milliampere
    Short Description:
    120 VAC, 30 A, 10 kA, 5 mA, 1-Pole, Plug-In Mount, MP-GT Frame, GFCI, Personal Protect
    Catalog:
    SiemensAG_01825_1_3_CAT.pdf
    Data Sheet:
    SiemensAG_06580_1_DATA.pdf
    MSRP $181.00
    Surplus $53.96
    Contact Us For Quote Quick view
    Qty in Cart: 0
    Price:
    MSRP $181.00
    Surplus $53.96
    Contact Us For Quote

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.