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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  • Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V
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    Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V

    MSRP $60.00
    Surplus $20.67
    Square D HOM245 Miniature Circuit Breakers (MCBs) 2P 45A 120V​ ARCA SKU:  C15-6373 Brand:  Square D MPN:  HOM245 UPC:  78590106550 Shipping Weight:  0.70 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-6373
    TS PIK:
    111860172
    Data Sheet:
    SchneiderElectric-SquareD_13455_1_2_DATA.pdf
    Used On:
    Homeline Load Center
    Wire Size:
    8 to 2 AWG (Copper/Aluminum)
    Installation/Operator:
    SchneiderElectric-SquareD_00099_INST.pdf
    Voltage Rating:
    120/240 VAC
    Catalog:
    SchneiderElectric_00257_1_19_1_39_7_22_7_23_CAT.pdf
    Interrupting Rating:
    10 kA
    Current Rating:
    45 A
    Number of Poles:
    2
    Type:
    Common Trip, Main
    Mounting:
    Plug-On
    Short Description:
    120/240 VAC, 45 A, 10 kA Interrupt, 2-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
    Series:
    HOM
    Terminal Type:
    Box Lug
    Country of Origin:
    United States
    Approval:
    UL
    MSRP $60.00
    Surplus $20.67
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    Qty in Cart: 0
    Price:
    MSRP $60.00
    Surplus $20.67
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  • Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA
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    Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA

    MSRP $104.45
    Surplus $30.22
    Eaton CHF245 Miniature Circuit Breakers (MCBs) 2P 45A 240V EA​ ARCA SKU:  C15-1549 Brand:  Eaton MPN:  CHF245 UPC:  78668554561 Shipping Weight:  0.55 lbs. Shipping Height:  2.00 In...
    SKU:
    C15-1549
    Series:
    CH
    Type:
    Common Trip
    Type:
    Renewal
    Size:
    3.2 Inch Width x 1.5 Inch Depth x 2.6 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    CH Series Load Center
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA at 120/240 VAC
    Terminal Type:
    Load
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    120/240 VAC, 45 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Mechanical Trip Flag
    Catalog:
    Eaton_36601_V1T1_35_V1T1_36_CAT.pdf
    Voltage Rating:
    120/240 VAC
    Current Rating:
    45 A
    Installation/Operator:
    Eaton_00008_INST.pdf
    Number of Poles:
    2
    TS PIK:
    125153617
    Country of Origin:
    Dominican Republic
    MSRP $104.45
    Surplus $30.22
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    Qty in Cart: 0
    Price:
    MSRP $104.45
    Surplus $30.22
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  • Square D QO345 Miniature Circuit Breakers (MCBs)
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    Square D QO345 Miniature Circuit Breakers (MCBs)

    MSRP $248.00
    Surplus $87.75
    Square D QO345 Miniature Circuit Breakers (MCBs)​ ARCA SKU:  C15-6588 Brand:  Square D MPN:  QO345 UPC:  78590101248 Shipping Weight:  0.85 lbs. Shipping Height:  3.00 In. Shipping...
    SKU:
    C15-6588
    TS PIK:
    109595139
    Series:
    QO
    Short Description:
    120/240 VAC 50/60 Hz, 48 VDC, 45 A, 5/10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
    Type:
    Common Trip, Miniature, Standard
    Voltage Rating:
    120/240 VAC
    Terminal Type:
    Box Lug
    Mounting:
    Plug-On
    Current Rating:
    45 A
    Used On:
    QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
    Wire Size:
    8 to 2 AWG (Copper/Aluminum)
    Number of Poles:
    3
    Data Sheet:
    SchneiderElectric-SquareD_53602_1_2_DATA.pdf
    Installation/Operator:
    SchneiderElectric-SquareD_01265_INST.pdf
    Interrupting Rating:
    5/10 kA
    Catalog:
    SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
    Size:
    2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
    Country of Origin:
    United States
    Approval:
    UL, CSA
    MSRP $248.00
    Surplus $87.75
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    Qty in Cart: 0
    Price:
    MSRP $248.00
    Surplus $87.75
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  • Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA
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    Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA

    MSRP $142.47
    Surplus $19.30
    Eaton BR245 Miniature Circuit Breakers (MCBs) 1P 20A 240V EA​ ARCA SKU:  C15-1233 Brand:  Eaton MPN:  BR245 UPC:  786676374453 Shipping Weight:  0.55 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-1233
    Series:
    BR
    Approval:
    UL 489
    Size:
    1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
    Volts:
    120/240 VAC
    Amps:
    32 A
    Used On:
    BR Load Center
    Poles:
    2
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Copper/Aluminum)
    Short Description:
    120/240 VAC, 45 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_84_CAT.pdf
    Installation/Operator:
    Eaton_00008_INST.pdf
    Manufacturer Warranty:
    Eaton_00009_WARR.pdf
    TS PIK:
    21494044
    Type:
    Thermal Magnetic, Common Trip
    Current Rating:
    45 A
    Number of Poles:
    2
    Voltage Rating:
    120/240 VAC
    Country of Origin:
    United States
    MSRP $142.47
    Surplus $19.30
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    Qty in Cart: 0
    Price:
    MSRP $142.47
    Surplus $19.30
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  • Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA
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    Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA

    MSRP $380.00
    Surplus $81.90
    Eaton BR345 Miniature Circuit Breakers (MCBs) 3P 45A 120V EA​ ARCA SKU:  C15-1261 Brand:  Eaton MPN:  BR345 UPC:  786676000116 Shipping Weight:  0.95 lbs. Shipping Height:  3.00 In...
    SKU:
    C15-1261
    Series:
    BR
    Type:
    Standard
    Approval:
    UL 489
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    BR Series Loadcenter
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 45 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    Data Sheet:
    Mersen_00019_FB20_FB21_DATA.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    45 A
    Number of Poles:
    3
    Country of Origin:
    Dominican Republic
    MSRP $380.00
    Surplus $81.90
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    Qty in Cart: 0
    Price:
    MSRP $380.00
    Surplus $81.90
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  • Siemens Q245 Miniature Circuit Breakers (MCBs)
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    Siemens Q245 Miniature Circuit Breakers (MCBs)

    MSRP $91.50
    Surplus $26.66
    SKU:  C15-6274 Brand:  Siemens MPN:  Q245 UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-6274
    TS PIK:
    121449811
    Number of Poles:
    2
    Current Rating:
    45 A
    Used On:
    Load Center
    Mounting:
    Plug-On
    Series:
    Q
    Voltage Rating:
    120/240 VAC
    Interrupting Rating:
    10 kA
    Size:
    3 Inch Width x 3 Inch Depth x 2 Inch Height
    Short Description:
    120/240 VAC, 45 A, 10 kA Interrupt Rating, 2-Pole, Plug-On, Type QP, Circuit Breaker
    Data Sheet:
    Siemens_02206_1_DATA.pdf
    Country of Origin:
    Mexico
    Approval:
    UL 489
    MSRP $91.50
    Surplus $26.66
    See Availability Quick view
    Qty in Cart: 0
    Price:
    MSRP $91.50
    Surplus $26.66
    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.