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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  • Siemens ED41B040 Molded Case Breakers (MCCBs) 40A 277V
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    Siemens ED41B040 Molded Case Breakers (MCCBs) 40A 277V

    MSRP $543.00
    Surplus $207.48
    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 $543.00
    Surplus $207.48
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    Qty in Cart: 0
    Price:
    MSRP $543.00
    Surplus $207.48
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    Siemens 3VA4140-4ED14-0AA0 Molded Case Breakers (MCCBs)
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    Siemens 3VA4140-4ED14-0AA0 Molded Case Breakers (MCCBs)

    MSRP $344.00
    Surplus $0.00
    SKU:  C15-18893 Brand:  Siemens MPN:  3VA4140-4ED14-0AA0 UPC:  80476694200 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping...
    SKU:
    C15-18893
    Number of Poles:
    1
    Short Description:
    BRKR 3VA41 1P 40A 25kA FTFM LD LUG
    Type:
    Molded Case, Low Vage, Thermal Magnetic, Standard Breaking Capacity
    Maximum AC Voltage Rating:
    347 V
    Current Rating:
    40 A
    Installation/Operator:
    SiemensAG_00547_INST.pdf
    Voltage Rating:
    120/277/347 VAC 50/60 Hertz, 125 VDC
    Maximum DC Voltage Rating:
    125 V
    Interrupting Rating:
    65 kA at 120 VAC, 25 kA at 277 VAC, 14 kA at 347 VAC/125 VDC
    Terminal Type:
    Load Lug
    Data Sheet:
    SiemensAG_09523_1-5_DATA.pdf
    Approval:
    UL 489
    Catalog:
    SiemensAG_09175_17_7_17_16_17_17_CAT.pdf
    Size:
    1 Inch Width x 3.6 Inch Depth x 5.1 Inch Height
    Country of Origin:
    MEX
    MSRP $344.00
    Surplus $0.00
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    Qty in Cart: 0
    Price:
    MSRP $344.00
    Surplus $0.00
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    Siemens B140H Miniature Circuit Breakers (MCBs)
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    Siemens B140H Miniature Circuit Breakers (MCBs)

    MSRP $54.00
    Surplus $35.91
    SKU:  C15-10306 Brand:  Siemens MPN:  B140H UPC:  78364326384 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-10306
    TS PIK:
    111063526
    Number of Poles:
    1
    Short Description:
    120 VAC, 40 A, 22 kA, 1-Pole, Bolt-On Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Current Rating:
    40 A
    Data Sheet:
    SiemensAG_05174_1_DATA.pdf
    Catalog:
    SiemensAG_00564_7_29_CAT.pdf
    Country of Origin:
    MEX
    Voltage Rating:
    120 VAC
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Type:
    Molded Case
    Approval:
    UL 489
    Used On:
    Panelboard
    Interrupting Rating:
    22 kA at 120 VAC
    Installation:
    Bolt-On
    Application:
    Lighting
    MSRP $54.00
    Surplus $35.91
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    Qty in Cart: 0
    Price:
    MSRP $54.00
    Surplus $35.91
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  • Siemens BQ1B040 Miniature Circuit Breakers (MCBs)
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    Siemens BQ1B040 Miniature Circuit Breakers (MCBs)

    MSRP $85.50
    Surplus $13.49
    Siemens BQ1B040 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-8428 Brand:  Siemens MPN:  BQ1B040 UPC:  78364310236 Shipping Weight:  0.25 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-8428
    TS PIK:
    124819775
    Number of Poles:
    1
    Interrupting Rating:
    10 kA at 120 VAC Symmetrical (UL)
    Terminal Type:
    Load Lug
    Size:
    1 Inch W x 3 Inch D x 3-3/4 Inch H
    Data Sheet:
    SiemensAG_05357_1_DATA.pdf
    Voltage Rating:
    120 VAC
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Short Description:
    120/240 VAC, 40 A, 10 kA, 1-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Molded Case Circuit Breaker
    Series:
    BQ
    Catalog:
    SiemensAG_01698_17_1_17_7_CAT.pdf
    Current Rating:
    40 A
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Country of Origin:
    Mexico
    Approval:
    UL
    MSRP $85.50
    Surplus $13.49
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    Qty in Cart: 0
    Price:
    MSRP $85.50
    Surplus $13.49
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    Siemens BQ1B040H Miniature Circuit Breakers (MCBs) Siemens BQ1B040H Miniature Circuit Breakers (MCBs)
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    Siemens BQ1B040H Miniature Circuit Breakers (MCBs)

    MSRP $69.91
    Surplus $0.00
    SKU:  C15-18976 Brand:  Siemens MPN:  BQ1B040H UPC:  78364316152 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-18976
    Country of Origin:
    MEX
    Interrupting Rating:
    22 kA
    Short Description:
    BRKR BQH 1P 120V 40A 22K
    Number of Poles:
    1
    Size:
    1 Inch Width x 3 Inch Depth x 4 Inch Height
    Catalog:
    SiemensAG_09175_0_8_17_1_17_8_17_133_CAT.pdf
    Approval:
    UL 489
    Voltage Rating:
    120/240 VAC
    Type:
    Molded Case, Low Vage, Circuit Protector
    Current Rating:
    40 A
    Terminal Type:
    Load Lug
    Data Sheet:
    SiemensAG_09543_1_2_DATA.pdf
    Maximum AC Voltage Rating:
    240 V
    MSRP $69.91
    Surplus $0.00
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    Qty in Cart: 0
    Price:
    MSRP $69.91
    Surplus $0.00
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    Siemens BQD140 Miniature Circuit Breakers (MCBs) 1P 40A 277V
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    Siemens BQD140 Miniature Circuit Breakers (MCBs) 1P 40A 277V

    MSRP $306.00
    Surplus $82.46
    Siemens BQD140 Miniature Circuit Breakers (MCBs) 1P 40A 277V​ ARCA SKU:  C15-6087 Brand:  Siemens MPN:  BQD140 UPC:  78364327713 Shipping Weight:  0.60 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-6087
    TS PIK:
    115270729
    Data Sheet:
    SiemensAG_05416_1_DATA.pdf
    Series:
    BQD
    Current Rating:
    40 A
    Short Description:
    277 VAC, 40 A, 14 kA, 1-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip
    Voltage Rating:
    277 VAC 50/60 Hertz, 125 VDC
    Catalog:
    SiemensAG_00565_11_16_CAT.pdf
    Interrupting Rating:
    14 kA
    Used On:
    P1 Panelboard
    Number of Poles:
    1
    Installation/Operator:
    SiemensAG_00221_INST.pdf
    Country of Origin:
    Mexico
    Application:
    Construction
    Approval:
    UL 489, CSA-C22.2
    MSRP $306.00
    Surplus $82.46
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    Qty in Cart: 0
    Price:
    MSRP $306.00
    Surplus $82.46
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    Siemens ED21B040 Miniature Circuit Breakers (MCBs)
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    Siemens ED21B040 Miniature Circuit Breakers (MCBs)

    MSRP $546.00
    Surplus $147.42
    SKU:  C15-15820 Brand:  Siemens MPN:  ED21B040 UPC:  78364320875 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-15820
    Voltage Rating:
    120 V AC, 125 V DC
    Short Description:
    120 VAC 50/60 Hz, 125 VDC, 40 A, 10 kA, 1-Pole, 10 to 4 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Country of Origin:
    MEX
    Terminal Type:
    Load Lug
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Type:
    Thermal Magnetic
    Approval:
    UL 489
    Current Rating:
    40 A
    Size:
    1 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
    Interrupting Rating:
    10 kA at 120 V AC (UL 489), 5 kA at 125 V DC (UL 489)
    Frame Type:
    ED
    Series:
    ED2
    Number of Poles:
    1
    MSRP $546.00
    Surplus $147.42
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    Qty in Cart: 0
    Price:
    MSRP $546.00
    Surplus $147.42
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    Siemens HED41B040 Molded Case Breakers (MCCBs)
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    Siemens HED41B040 Molded Case Breakers (MCCBs)

    MSRP $1,661.00
    Surplus $448.47
    SKU:  C15-16449 Brand:  Siemens MPN:  HED41B040 UPC:  78364320986 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-16449
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Wire Size:
    10 to 4 AWG (Copper/Aluminum)
    Interrupting Rating:
    100 kA at 120 VAC, 25 kA at 277 VAC, 30 kA at 125 VDC (UL)
    Installation/Operator:
    SiemensAG_00313_INST.pdf
    Catalog:
    SiemensAG_01698_17_78-17_80_CAT.pdf
    Short Description:
    277 VAC, 125 VDC, 40 A, 25 kA, 1-Pole, 10 to 4 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
    Country of Origin:
    MEX
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Current Rating:
    40 A
    Terminal Type:
    Load Lug
    Size:
    1 Inch W x 4.56 Inch D x 6.35 Inch H
    Voltage Rating:
    277 VAC at 50/60 Hz, 125 VDC (UL)
    Series:
    HED4
    Mounting:
    Plug-On
    Approval:
    UL 489, CSA C22.2
    Number of Poles:
    1
    MSRP $1,661.00
    Surplus $448.47
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    Qty in Cart: 0
    Price:
    MSRP $1,661.00
    Surplus $448.47
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    Siemens LGB1B040B Molded Case Breakers (MCCBs)
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    Siemens LGB1B040B Molded Case Breakers (MCCBs)

    MSRP $260.40
    Surplus $88.44
    SKU:  U00-8299 Brand:  Siemens MPN:  LGB1B040B UPC:  88762121996 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    U00-8299
    Current Rating:
    40 A
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Application:
    Lighting, Distribution
    Short Description:
    BRKR LGB 40A 1P 277V 65K LD LUG
    Approval:
    UL 489
    Number of Poles:
    1
    Type:
    Molded Case, Low Vage, Thermal and Fixed Magnetic, Very High Breaking Capacity
    Voltage Rating:
    347 VAC 50/60 Hertz
    Country of Origin:
    MEX
    Catalog:
    SiemensAG_01796_7_7_7_33_CAT.pdf
    Interrupting Rating:
    14 kA at 347 VAC
    MSRP $260.40
    Surplus $88.44
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    Qty in Cart: 0
    Price:
    MSRP $260.40
    Surplus $88.44
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    Siemens NEB1B040B Molded Case Breakers (MCCBs)
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    Siemens NEB1B040B Molded Case Breakers (MCCBs)

    MSRP $302.00
    Surplus $81.54
    SKU:  C15-16946 Brand:  Siemens MPN:  NEB1B040B UPC:  78364355819 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In...
    SKU:
    C15-16946
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Series:
    NEB
    Type:
    Molded Case, Thermal and Fixed Magnetic
    Current Rating:
    40 A
    Number of Poles:
    1
    Application:
    Lighting, Distribution
    Short Description:
    240/277/347 VAC 50/60 Hz, 125/250 VDC, 40 A, 85 kA, 1-Pole, Thermal Magnetic Trip Unit, Panelboard Circuit Breaker
    Approval:
    UL 489, CSA, IEC 60947-2
    Interrupting Rating:
    85 kA at 240 VAC, 35 kA at 277 VAC, 22 kA at 347 VAC, 35 kA at 125/250 VDC (UL/CSA), 85 kA at 240 VAC, 35 kA at 125 VDC (IEC)
    Country of Origin:
    DOM
    Voltage Rating:
    240/277/347 VAC at 50/60 Hz, 125/250 VDC (UL/CSA), 240 VAC at 50/60 Hz, 125 VDC (IEC)
    MSRP $302.00
    Surplus $81.54
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    Qty in Cart: 0
    Price:
    MSRP $302.00
    Surplus $81.54
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  • Siemens Q140 Miniature Circuit Breakers (MCBs)
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    Siemens Q140 Miniature Circuit Breakers (MCBs)

    MSRP $45.50
    Surplus $8.34
    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
    Approval:
    UL 489
    Frame Type:
    QP
    MSRP $45.50
    Surplus $8.34
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    Qty in Cart: 0
    Price:
    MSRP $45.50
    Surplus $8.34
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