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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 BQ240240 Miniature Circuit Breakers (MCBs) BQ 2P 40A 240V 50/60Hz 1Ph EA Eaton BQ240240 Miniature Circuit Breakers (MCBs) BQ 2P 40A 240V 50/60Hz 1Ph EA
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    Eaton BQ240240 Miniature Circuit Breakers (MCBs) BQ 2P 40A 240V 50/60Hz 1Ph EA

    MSRP $236.97
    Surplus $79.80
    Eaton BQ240240 Miniature Circuit Breakers (MCBs) BQ 2P 40A 240V 50/60Hz 1Ph EA​ ARCA SKU:  C15-1156 Brand:  Eaton MPN:  BQ240240 UPC:  786676371155 Shipping Weight:  0.75 lbs. Shipping...
    SKU:
    C15-1156
    Series:
    BQ
    Type:
    Thermal Magnetic
    Type:
    Independent Trip
    Type:
    Quadplex
    Approval:
    UL 489
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 40 A, 10 kA, 2-Pole Outer/2-Pole Center, Plug-On Mount, BQ Breaker, Independent Trip, Quadplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_83_V1T1_87_CAT.pdf
    TS PIK:
    21493965
    Voltage Rating:
    120/240 VAC
    Current Rating:
    40 A
    Number of Poles:
    2
    Country of Origin:
    Dominican Republic
    MSRP $236.97
    Surplus $79.80
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    Qty in Cart: 0
    Price:
    MSRP $236.97
    Surplus $79.80
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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 BQ2B040 Miniature Circuit Breakers (MCBs) 2P 40A 120V
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    Siemens BQ2B040 Miniature Circuit Breakers (MCBs) 2P 40A 120V

    MSRP $192.50
    Surplus $54.01
    Siemens BQ2B040 Miniature Circuit Breakers (MCBs) 2P 40A 120V​ ARCA SKU:  C15-2270 Brand:  Siemens MPN:  BQ2B040 UPC:  78364310243 Shipping Weight:  1.75 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-2270
    TS PIK:
    21366179
    Voltage Rating:
    120/240 VAC at 50/60 Hz (UL)
    Type:
    Molded Case, Thermal and Fixed Magnetic Trip, Common Trip
    Mounting:
    Bolt-On
    Series:
    BQ
    Terminal Type:
    Load Lug
    Short Description:
    120/240 VAC, 40 A, 10 kA Interrupt, 2-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip, Molded Case Circuit Breaker
    Current Rating:
    40 A
    Interrupting Rating:
    10 kA at 120/240 VAC Symmetrical (UL)
    Catalog:
    SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
    Used On:
    P1/P2/P3/P4/P5 Panelboard
    Wire Size:
    8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
    Size:
    2 Inch W x 3 Inch D x 3-3/4 Inch H
    Number of Poles:
    2
    Country of Origin:
    Mexico
    Approval:
    UL 489, CSA C22.2
    MSRP $192.50
    Surplus $54.01
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    Qty in Cart: 0
    Price:
    MSRP $192.50
    Surplus $54.01
    See Availability
  • Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA
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    Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA

    MSRP $295.00
    Surplus $24.46
    Siemens BQ3B040 Miniature Circuit Breakers (MCBs) BQ 3P 40A 240V EA​ ARCA SKU:  C15-2268 Brand:  Siemens MPN:  BQ3B040 UPC:  783643102613 Shipping Weight:  1.05 lbs. Shipping Height:  3.00...
    SKU:
    C15-2268
    Series:
    BQ
    Type:
    Molded Case
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Approval:
    UL 489
    Size:
    4.7 Inch Width x 12.7 Inch Depth x 3.7 Inch Height
    Volts:
    240 VAC
    Amps:
    32 A
    Poles:
    3
    Mounting:
    Bolt-On
    Interrupting Rating:
    10 kA
    Terminal Type:
    Lug-In/Lug-Out with Insta-Wire
    Short Description:
    240 VAC, 50 A, 10 kA Interrupt, 3-Pole, BQ-Frame, Load Lug Terminal, Bolt-On Mount, Thermal Magnetic, Common Trip
    Catalog:
    SiemensAG_00876_1_5_5_18_5_24_CAT.pdf
    Data Sheet:
    SiemensAG_01611_1_DATA.pdf
    TS PIK:
    21366197
    Current Rating:
    40 A
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $295.00
    Surplus $24.46
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $295.00
    Surplus $24.46
    See Availability

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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.