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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  • GE THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 50/60Hz 1Ph EA
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    GE THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 50/60Hz 1Ph EA

    MSRP $71.90
    Surplus $14.70
    GE THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 50/60Hz 1Ph EA​ ARCA SKU:  C15-7010 Brand:  GE MPN:  THQL1140 UPC:  30783164012881 Shipping Weight:  1.20 lbs. Shipping Height:  1...
    SKU:
    C15-7010
    TS PIK:
    555076
    CAD Drawings:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
    Catalog:
    ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
    Interrupting Rating:
    10 kA at 120/240 VAC
    Voltage Rating:
    120/240 VAC
    Number of Poles:
    1
    Type:
    Thermal Magnetic, Compact
    Current Rating:
    40 A
    Terminal Type:
    Plug-On
    Short Description:
    120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker
    Mounting:
    Plug-On
    Approval:
    UL
    Maximum AC Voltage Rating:
    240 V
    MSRP $71.90
    Surplus $14.70
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    Qty in Cart: 0
    Price:
    MSRP $71.90
    Surplus $14.70
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    Eaton CHF140 Miniature Circuit Breakers (MCBs) CH 1P 40A 240V 50/60Hz 1Ph EA Eaton CHF140 Miniature Circuit Breakers (MCBs) CH 1P 40A 240V 50/60Hz 1Ph EA
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    Eaton CHF140 Miniature Circuit Breakers (MCBs) CH 1P 40A 240V 50/60Hz 1Ph EA

    MSRP $72.15
    Surplus $32.59
    Eaton CHF140 Miniature Circuit Breakers (MCBs) CH 1P 40A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-4150 Brand:  Eaton MPN:  CHF140 UPC:  786685532134 Shipping Weight:  0.25 lbs. Shipping Height:  1.00...
    SKU:
    C15-4150
    Type:
    Common Trip
    Approval:
    UL 489
    Approval:
    CSA C22.2
    Volts:
    120/240 VAC
    Amps:
    32 A
    Poles:
    1
    Interrupting Rating:
    10 kA
    Frame Type:
    CH
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, Plug-On, Aluminum/Copper Wire, Thermal Magnetic, Mechanical Trip Flag
    Catalog:
    Eaton_36601_V1T1_35_V1T1_36_CAT.pdf
    Installation/Operator:
    Eaton_00008_INST.pdf
    Manufacturer Warranty:
    Eaton_00009_WARR.pdf
    Number of Poles:
    1
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    Mounting:
    Plug-On
    MSRP $72.15
    Surplus $32.59
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    Qty in Cart: 0
    Price:
    MSRP $72.15
    Surplus $32.59
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    Cutler-Hammer CH140 Miniature Circuit Breakers (MCBs) CH 1P 40A 50/60Hz 1Ph EA
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    Cutler-Hammer CH140 Miniature Circuit Breakers (MCBs) CH 1P 40A 50/60Hz 1Ph EA

    MSRP $30.02
    Surplus $21.64
    Cutler-Hammer CH140 Miniature Circuit Breakers (MCBs) CH 1P 40A 50/60Hz 1Ph EA​ ARCA SKU:  C15-6745 Brand:  Eaton Cutler-Hammer MPN:  CH140 UPC:  78211310167 Shipping Weight:  0.25 lbs. Shipping...
    SKU:
    C15-6745
    TS PIK:
    531260
    Series:
    Type CH
    Voltage Rating:
    120/240 V
    Current Rating:
    40 A
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, 3/4" Plug-On Mount, Thermal Magnetic, Circuit Breaker
    Installation/Operator:
    Eaton_00231_INST.pdf
    Number of Poles:
    1
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    Used On:
    Type CH Loadcenter
    Wire Size:
    14 to 2 AWG (Aluminum/Copper)
    MSRP $30.02
    Surplus $21.64
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    Qty in Cart: 0
    Price:
    MSRP $30.02
    Surplus $21.64
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  • Eaton BR140 Miniature Circuit Breakers (MCBs) 40A 120V EA Eaton BR140 Miniature Circuit Breakers (MCBs) 40A 120V EA
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    Eaton BR140 Miniature Circuit Breakers (MCBs) 40A 120V EA

    MSRP $81.68
    Surplus $16.62
    Eaton BR140 Miniature Circuit Breakers (MCBs) 40A 120V EA​ ARCA SKU:  C15-1204 Brand:  Eaton MPN:  BR140 UPC:  78667636225 Shipping Weight:  0.30 lbs. Shipping Height:  1.00 In. Shipping...
    SKU:
    C15-1204
    Series:
    BR
    Approval:
    UL 489
    Approval:
    Federal Specification W-C375
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    Type BR Loadcenter
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, 1" Plug-On Mount, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_84_CAT.pdf
    TS PIK:
    21493850
    Number of Poles:
    1
    Current Rating:
    40 A
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    United States
    MSRP $81.68
    Surplus $16.62
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    Qty in Cart: 0
    Price:
    MSRP $81.68
    Surplus $16.62
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  • Siemens ED41B040 Molded Case Breakers (MCCBs) 40A 277V
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    Siemens ED41B040 Molded Case Breakers (MCCBs) 40A 277V

    MSRP $739.19
    Surplus $282.44
    Siemens ED41B040 Molded Case Breakers (MCCBs) 40A 277V​ ARCA SKU:  C15-6093 Brand:  Siemens MPN:  ED41B040 UPC:  78364320913 Shipping Weight:  3.85 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-6093
    TS PIK:
    115270816
    Voltage Rating:
    120/277 VAC at 50/60 Hz, 125 VDC (UL)
    Interrupting Rating:
    65 kA at 120 VAC, 22 kA at 277 VAC, 30 kA at 125 VDC (UL)
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Number of Poles:
    1
    Size:
    1 Inch W x 4.56 Inch D x 6.35 Inch H
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Terminal Type:
    Load Lug
    Series:
    ED4
    Short Description:
    120/277 VAC 50/60 Hz, 125 VDC, 40 A at 40 Deg C, 22 kA, 1-Pole, 10 to 4 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Current Rating:
    40 A
    Country of Origin:
    Mexico
    Mounting:
    Plug-On
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Approval:
    UL 489, CSA C22.2
    Wire Size:
    10 to 4 AWG (Copper/Aluminum)
    MSRP $739.19
    Surplus $282.44
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    Qty in Cart: 0
    Price:
    MSRP $739.19
    Surplus $282.44
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    Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V
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    Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V

    MSRP $30.02
    Surplus $16.00
    Eaton CH140 Miniature Circuit Breakers (MCBs) 40A 120V​ ARCA SKU:  C15-1388 Brand:  Eaton MPN:  CH140 UPC:  78211310167 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-1388
    Series:
    Type CH
    Volts:
    120/240 V
    Amps:
    32 A
    Used On:
    Type CH Loadcenter
    Poles:
    1
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 2 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, 3/4" Plug-On Mount, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    Number of Poles:
    1
    Voltage Rating:
    120/240 V
    Installation/Operator:
    Eaton_00231_INST.pdf
    Current Rating:
    40 A
    MSRP $30.02
    Surplus $16.00
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    Qty in Cart: 0
    Price:
    MSRP $30.02
    Surplus $16.00
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  • GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs) GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs)
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    GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs)

    MSRP $73.27
    Surplus $15.56
    GENERAL ELECTRIC THQP140 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  E30-8048 Brand:  GENERAL ELECTRIC MPN:  THQP140 UPC:  78316413445 Shipping Weight:  0.20 lbs. Shipping Height:  1.00...
    SKU:
    E30-8048
    Current Rating:
    40 A
    Size:
    1/2 Inch Width
    Interrupting Rating:
    10 kA at 120/240 VAC
    Terminal Type:
    Plug-On
    Number of Poles:
    1
    Voltage Rating:
    120/240 VAC
    Type:
    Thermal Magnetic
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, 8 to 4 AWG/8 to 4 AWG, Q-Line Frame, Plug-In Terminal, Thermal Magnetic, Non-Interchangeable Circuit Breaker
    Mounting:
    Plug-On
    Approval:
    UL
    Frame Type:
    Q-Line
    Maximum AC Voltage Rating:
    240 V
    MSRP $73.27
    Surplus $15.56
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    Qty in Cart: 0
    Price:
    MSRP $73.27
    Surplus $15.56
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  • Murray MP140 Miniature Circuit Breakers (MCBs)
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    Murray MP140 Miniature Circuit Breakers (MCBs)

    MSRP $50.37
    Surplus $12.22
    Murray MP140 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6295 Brand:  Murray MPN:  MP140 UPC:   Shipping Weight:  3.55 lbs. Shipping Height:  3.00 In. Shipping Length:  11...
    SKU:
    C15-6295
    Series:
    MP-T
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Short Description:
    120 VAC, 40 A, 10 kA, 1-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Voltage Rating:
    120 VAC
    Size:
    1 Inch W x 3 Inch D x 3 1/8 Inch H
    Current Rating:
    40 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Used On:
    Loadcenter
    Number of Poles:
    1
    Data Sheet:
    SiemensAG_06582_1_DATA.pdf
    Terminal Type:
    Load Lug
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Country of Origin:
    United States
    MSRP $50.37
    Surplus $12.22
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    Qty in Cart: 0
    Price:
    MSRP $50.37
    Surplus $12.22
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  • Siemens Q140 Miniature Circuit Breakers (MCBs)
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    Siemens Q140 Miniature Circuit Breakers (MCBs)

    MSRP $61.94
    Surplus $11.35
    Siemens Q140 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6186 Brand:  Siemens MPN:  Q140 UPC:  66286200391 Shipping Weight:  0.25 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6186
    TS PIK:
    21366718
    Current Rating:
    40 A
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Data Sheet:
    SiemensAG_06975_1_DATA.pdf
    Catalog:
    SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
    Size:
    1 Inch Width x 3 Inch Depth x 3 Inch Height
    Number of Poles:
    1
    Voltage Rating:
    120 V
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, 8 to 6 AWG Copper/8 to 4 AWG Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Country of Origin:
    Mexico
    MSRP $61.94
    Surplus $11.35
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    Qty in Cart: 0
    Price:
    MSRP $61.94
    Surplus $11.35
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  • Square D HOM140 Miniature Circuit Breakers (MCBs) 40A 120V
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    Square D HOM140 Miniature Circuit Breakers (MCBs) 40A 120V

    MSRP $35.80
    Surplus $10.14
    Square D HOM140 Miniature Circuit Breakers (MCBs) 40A 120V​ ARCA SKU:  C15-6440 Brand:  Square D MPN:  HOM140 UPC:  78590106524 Shipping Weight:  0.35 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6440
    TS PIK:
    21033066
    Terminal Type:
    Box Lug
    Interrupting Rating:
    10 kA
    Installation/Operator:
    SchneiderElectric-SquareD_00099_INST.pdf
    Wire Size:
    8 to 2 AWG (Aluminum/Copper)
    Type:
    Standard
    Short Description:
    120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard
    Catalog:
    SchneiderElectric_00257_1_19_1_39_7_22_CAT.pdf
    Data Sheet:
    SchneiderElectric-SquareD_13427_1_2_DATA.pdf
    Voltage Rating:
    120/240 VAC
    Mounting:
    Plug-On
    Size:
    1 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
    Number of Poles:
    1
    Current Rating:
    40 A
    Used On:
    Load Center
    Country of Origin:
    Mexico
    MSRP $35.80
    Surplus $10.14
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $35.80
    Surplus $10.14
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  • Square D QO140 Miniature Circuit Breakers (MCBs) 40A 120V
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    Square D QO140 Miniature Circuit Breakers (MCBs) 40A 120V

    MSRP $39.61
    Surplus $15.22
    Square D QO140 Miniature Circuit Breakers (MCBs) 40A 120V​ ARCA SKU:  C15-6449 Brand:  Square D MPN:  QO140 UPC:  78590140018 Shipping Weight:  0.30 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-6449
    TS PIK:
    123180738
    Mounting:
    Plug-On
    Voltage Rating:
    120/240 VAC 50/60 Hertz, 48 VDC
    Data Sheet:
    SchneiderElectric-SquareD_53406_1_2_DATA.pdf
    Current Rating:
    40 A
    Used On:
    QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
    Series:
    QO
    Terminal Type:
    Box Lug
    Short Description:
    120/240 VAC 50/60 Hz, 48 VDC, 40 A, 5/10 kA Interrupt, 1-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
    Number of Poles:
    1
    Wire Size:
    8 to 2 AWG (Copper/Aluminum)
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
    Type:
    Common Trip, Miniature, Standard
    Size:
    0.75 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
    Installation/Operator:
    SchneiderElectric-SquareD_01259_INST.pdf
    Interrupting Rating:
    5/10 kA
    Country of Origin:
    Mexico
    MSRP $39.61
    Surplus $15.22
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $39.61
    Surplus $15.22
    See Availability

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