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 BR220H Miniature Circuit Breakers (MCBs) BR 2P 20A 120/240V 50/60Hz 1Ph Eaton BR220H Miniature Circuit Breakers (MCBs) BR 2P 20A 120/240V 50/60Hz 1Ph
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    Eaton BR220H Miniature Circuit Breakers (MCBs) BR 2P 20A 120/240V 50/60Hz 1Ph

    MSRP $159.27
    Surplus $41.78
    Eaton BR220H Miniature Circuit Breakers (MCBs) BR 2P 20A 120/240V 50/60Hz 1Ph​ ARCA SKU:  C15-1223 Brand:  Eaton MPN:  BR220H UPC:  786676374200 Shipping Weight:  0.50 lbs. Shipping...
    SKU:
    C15-1223
    Approval:
    UL 489
    Amps:
    20 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Poles:
    2
    Type:
    Thermal Magnetic
    Type:
    Common Trip
    Used On:
    BR Series Loadcenter
    Volts:
    240 VAC
    Gauge:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 20 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
    Series:
    BR
    Specification/Technical:
    Eaton_37644_1_2_SPEC.pdf
    Current Rating:
    20 A
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Number of Poles:
    2
    Voltage Rating:
    240 VAC
    Catalog:
    Eaton_36620_V1T1_90_CAT.pdf
    Country of Origin:
    Dominican Republic
    MSRP $159.27
    Surplus $41.78
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    Qty in Cart: 0
    Price:
    MSRP $159.27
    Surplus $41.78
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    Murray MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA
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    Murray MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA

    MSRP $697.12
    Surplus $67.33
    Murray MP320 Miniature Circuit Breakers (MCBs) 3P 20A 50/60Hz 3Ph EA​ ARCA SKU:  C15-6310 Brand:  Murray MPN:  MP320 UPC:  30040892237802 Shipping Weight:  2.90 lbs. Shipping Height:  3.00...
    SKU:
    C15-6310
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
    Size:
    3 Inch W x 3 Inch D x 3 1/8 Inch H
    Terminal Type:
    Load Lug
    Interrupting Rating:
    10 kA
    Series:
    MP-T
    Voltage Rating:
    240 VAC
    Current Rating:
    20 A
    Data Sheet:
    SiemensAG_06646_1_DATA.pdf
    Installation/Operator:
    SiemensAG_00215_INST.pdf
    Used On:
    Loadcenter
    Wire Size:
    16 to 14 AWG (Copper/Aluminum)
    Mounting:
    Plug-On
    Type:
    Common Trip
    Number of Poles:
    3
    Country of Origin:
    Mexico
    MSRP $697.12
    Surplus $67.33
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    Price:
    MSRP $697.12
    Surplus $67.33
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  • Eaton CH320 Miniature Circuit Breakers (MCBs) 3P 20A 240V EA Eaton CH320 Miniature Circuit Breakers (MCBs) 3P 20A 240V EA
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    Eaton CH320 Miniature Circuit Breakers (MCBs) 3P 20A 240V EA

    MSRP $512.58
    Surplus $94.02
    Eaton CH320 Miniature Circuit Breakers (MCBs) 3P 20A 240V EA​ ARCA SKU:  C15-2087 Brand:  Eaton MPN:  CH320 UPC:  782113102023 Shipping Weight:  0.85 lbs. Shipping Height:  4.00 In...
    SKU:
    C15-2087
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    20 A
    Interrupting Rating:
    10 kA
    Mounting:
    Plug-On
    Poles:
    3
    Terminal Type:
    Thermal Magnetic
    Type:
    Common Trip
    Used On:
    CH Series Load Center
    Volts:
    240 VAC
    Gauge:
    (1) 14 to 6 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic, Circuit Breaker
    Series:
    CH
    Catalog:
    Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
    Voltage Rating:
    240 VAC
    Current Rating:
    20 A
    Wire Size:
    (1) 14 to 6 AWG (Copper/Aluminum)
    Number of Poles:
    3
    Country of Origin:
    Dominican Republic
    MSRP $512.58
    Surplus $94.02
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    Qty in Cart: 0
    Price:
    MSRP $512.58
    Surplus $94.02
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  • Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph
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    Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph

    MSRP $612.59
    Surplus $96.61
    Eaton HQP3020H Miniature Circuit Breakers (MCBs) HQP 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU:  C15-3262 Brand:  Eaton MPN:  HQP3020H UPC:  786679344514 Shipping Weight:  0.95 Shipping Height:  3.00 In...
    SKU:
    C15-3262
    Approval:
    UL 489
    Approval:
    CSA
    Amps:
    20 A
    Interrupting Rating:
    10000 A at 240 VAC
    Mounting:
    Plug-On
    Poles:
    3
    Size:
    3 Inch Width x 3 Inch Depth x 2.8 Inch Height
    Terminal Type:
    Steel Box Lug Standard Load
    Type:
    Fixed Thermal Magnetic
    Type:
    Non-Interchangeable Trip
    Type:
    Miniature
    Volts:
    240 VAC 60 Hertz
    Gauge:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Current Rating:
    20 A
    Voltage Rating:
    240 VAC
    Number of Poles:
    3
    Catalog:
    Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
    Wire Size:
    14 to 4 AWG Copper/Aluminum (Standard Load)
    Short Description:
    EATON QUICkLAG INDUSTRIAL CIRCUIT BREAkER, 20A, THREE-POLE, 240V, 10 kAIC, THERM
    Series:
    HQP
    Country of Origin:
    Dominican Republic
    MSRP $612.59
    Surplus $96.61
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    Qty in Cart: 0
    Price:
    MSRP $612.59
    Surplus $96.61
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    Crouse-Hinds BR320 Miniature Circuit Breakers (MCBs) 3P
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    Crouse-Hinds BR320 Miniature Circuit Breakers (MCBs) 3P

    MSRP $459.53
    Surplus $125.42
    Crouse-Hinds BR320 Miniature Circuit Breakers (MCBs) 3P​ ARCA SKU:  C15-5663 Brand:  Crouse-Hinds MPN:  BR320 UPC:  78667636775 Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In...
    SKU:
    C15-5663
    TS PIK:
    21493895
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
    Voltage Rating:
    240 VAC
    Type:
    Common Trip
    Mounting:
    Plug-On
    Current Rating:
    20 A
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    Used On:
    Type BR Load Center
    Interrupting Rating:
    10 kA at 240 VAC
    Size:
    2.9 Inch Length x 2.9 Inch Width x 2.7 Inch Height
    Series:
    BR
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Number of Poles:
    3
    MSRP $459.53
    Surplus $125.42
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    Qty in Cart: 0
    Price:
    MSRP $459.53
    Surplus $125.42
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    Crouse-Hinds BR320ST Miniature Circuit Breakers (MCBs)
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    Crouse-Hinds BR320ST Miniature Circuit Breakers (MCBs)

    MSRP $891.90
    Surplus $332.81
    SKU:  C15-5664 Brand:  Crouse-Hinds MPN:  BR320ST UPC:   Shipping Weight:  0.00 lbs. Shipping Height:  0.00 In. Shipping Length:  0.00 In. Shipping Width:  0.00 In. Product...
    SKU:
    C15-5664
    TS PIK:
    115785804
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic, Circuit Breaker
    Current Rating:
    20 A
    Type:
    Thermal Magnetic, Common Trip
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA
    Number of Poles:
    3
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Catalog:
    Eaton_36620_V1T1_84_CAT.pdf
    Used On:
    BR Series Loadcenter
    Voltage Rating:
    240 VAC
    Series:
    BR
    MSRP $891.90
    Surplus $332.81
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    Qty in Cart: 0
    Price:
    MSRP $891.90
    Surplus $332.81
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    Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA
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    Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA

    MSRP $459.53
    Surplus $141.22
    Eaton BR320 Miniature Circuit Breakers (MCBs) BR 3P 20A 240V 50/60Hz 3Ph EA​ ARCA SKU:  C15-1253 Brand:  Eaton MPN:  BR320 UPC:  786676367752 Shipping Weight:  0.95 lbs. Shipping...
    SKU:
    C15-1253
    Series:
    BR
    Type:
    Bi-Metallic
    Type:
    Thermal
    Approval:
    UL 489
    Size:
    2.9 Inch Length x 2.9 Inch Width x 2.7 Inch Height
    Volts:
    240 VAC
    Amps:
    32 A
    Used On:
    Type BR Load Center
    Poles:
    3
    Mounting:
    Plug-On
    Interrupting Rating:
    10 kA at 240 VAC
    Enclosure:
    IP20
    Wire Size:
    14 to 4 AWG (Aluminum/Copper)
    Short Description:
    240 VAC, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
    Catalog:
    Eaton_36620_V1T1_85_CAT.pdf
    Data Sheet:
    Eaton_41028_1-6_DATA.pdf
    TS PIK:
    21493895
    Current Rating:
    20 A
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Country of Origin:
    Dominican Republic
    MSRP $459.53
    Surplus $141.22
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    Qty in Cart: 0
    Price:
    MSRP $459.53
    Surplus $141.22
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    Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA
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    Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA

    MSRP $997.83
    Surplus $358.48
    Eaton BR320ST Miniature Circuit Breakers (MCBs) BR 3P 20A 120/240V 50/60Hz 3Ph EA​ ARCA SKU:  C15-1254 Brand:  Eaton MPN:  BR320ST UPC:  786676003360 Shipping Weight:  1.30 Shipping Height:  3...
    SKU:
    C15-1254
    Series:
    BR
    Type:
    Barrier
    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, 20 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
    Catalog:
    Eaton_36620_V1T1_84_CAT.pdf
    Data Sheet:
    Mersen_00019_FB22_FB23_DATA.pdf
    Number of Poles:
    3
    Voltage Rating:
    240 VAC
    Current Rating:
    20 A
    MSRP $997.83
    Surplus $358.48
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    Qty in Cart: 0
    Price:
    MSRP $997.83
    Surplus $358.48
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  • Eaton CHP320 Miniature Circuit Breakers (MCBs) CH 3P 20A 240V 50/60Hz 3Ph Eaton CHP320 Miniature Circuit Breakers (MCBs) CH 3P 20A 240V 50/60Hz 3Ph
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    Eaton CHP320 Miniature Circuit Breakers (MCBs) CH 3P 20A 240V 50/60Hz 3Ph

    MSRP $1,506.96
    Surplus $186.65
    Eaton CHP320 Miniature Circuit Breakers (MCBs) CH 3P 20A 240V 50/60Hz 3Ph​ ARCA SKU:  C15-1568 Brand:  Eaton MPN:  CHP320 UPC:  621037071445 Shipping Weight:  0.86 Shipping Height:  3.38 In...
    SKU:
    C15-1568
    Approval:
    UL 489
    Amps:
    20 A
    Interrupting Rating:
    10 kA at 240 VAC
    Mounting:
    Plug-On
    Poles:
    3
    Terminal Type:
    Line Lug
    Type:
    Thermal Magnetic
    Used On:
    CH Series Loadcenter
    Volts:
    240 VAC
    Gauge:
    14 to 6 AWG (Copper/Aluminum)
    Short Description:
    240 VAC, 20 A, 3-Pole, 10 kA, Thermal Magnetic, Circuit Breaker
    Series:
    CH
    Specification/Technical:
    Eaton_47679_1_2_SPEC.pdf
    Voltage Rating:
    240 VAC
    Wire Size:
    14 to 6 AWG (Copper/Aluminum)
    Number of Poles:
    3
    Current Rating:
    20 A
    Catalog:
    Eaton_00001_V1T1_41_CAT.pdf
    MSRP $1,506.96
    Surplus $186.65
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    Qty in Cart: 0
    Price:
    MSRP $1,506.96
    Surplus $186.65
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