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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Din Rail Mounted Circuit Breakers
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Main Breakers
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Miniature Circuit Breakers (MCBs)
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Molded Case Breakers (MCCBs)
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Motor Circuit Protector (MCPs)
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Lug Terminal Kits
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Auxiliary, Shunt, Trip Units and UVRs
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Circuit Breaker Accessories
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- Qty in Cart
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Square D QO330EPD Molded Case Breakers (MCCBs)
MSRP $1,672.00Surplus $451.44SKU: C15-17801 Brand: Square D MPN: QO330EPD UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17801
- Interrupting Rating:
- 10 kA
- Series:
- QO
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Current Rating:
- 30 A
- Short Description:
- 240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 3-Pole, 12 to 8 AWG Aluminum, 14 to 8 AWG Copper, Plug-On Mount, Pressure Plate Terminal, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Used On:
- Load Center
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_6_CAT.pdf
- Type:
- Miniature, Ground Fault Protecting Class B
- Data Sheet:
- SchneiderElectric-SquareD_70911_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-Telemecanique_00587_INST.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Terminal Type:
- Pressure Plate
- Number of Poles:
- 3
- Approval:
- UL, CSA
MSRP $1,672.00Surplus $451.44 -
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Square D QO330GFI Molded Case Breakers (MCCBs)
MSRP $1,274.00Surplus $343.98SKU: C15-18856 Brand: Square D MPN: QO330GFI UPC: 78590121897 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18856
- Terminal Type:
- Box Lug
- Short Description:
- 208 VAC Star/120 VAC, 30 A, 3-Pole, 10 kA, Plug-On, Box Lug Terminal, Thermal Magnetic, Common Trip, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_05128_1_2_DATA.pdf
- Voltage Rating:
- 208 VAC Star/120 VAC at 50/60 Hz
- Installation/Operator:
- SchneiderElectric-SquareD_00454_INST.pdf
- Number of Poles:
- 3
- Current Rating:
- 30 A
- Type:
- Thermal Magnetic, Common Trip
- Catalog:
- SchneiderElectric-SquareD_03280_7_13_CAT.pdf
- Size:
- 2.25 Inch W x 2.91 Inch D x 4.12 Inch H
- Used On:
- QO Loadcenter, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Interrupting Rating:
- 10 kA
- Prop 65 Warning:
- Yes
MSRP $1,274.00Surplus $343.98 -
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Square D QO330VH Molded Case Breakers (MCCBs)
MSRP $1,017.00Surplus $249.20SKU: C15-10904 Brand: Square D MPN: QO330VH UPC: 78590137188 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10904
- TS PIK:
- 111088248
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Current Rating:
- 30 A
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 22 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Type:
- Common Trip, Miniature, Standard
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 22 kA
- Series:
- QO
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53590_1_2_DATA.pdf
- Mounting:
- Plug-On
MSRP $1,017.00Surplus $249.20 -
Square D QOB330GFI Miniature Circuit Breakers (MCBs) EA
MSRP $836.00Surplus $957.60SKU: C15-10918 Brand: Square D MPN: QOB330GFI UPC: 78590198922 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10918
- TS PIK:
- 124985533
- Data Sheet:
- SchneiderElectric-SquareD_15219_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00894_INST.pdf
- Used On:
- NQ Panelboard/Interior
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Type:
- Miniature, Thermal Magnetic
- Prop 65 Warning:
- Yes
- Terminal Type:
- Box Lug
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Size:
- 2.25 Inch W x 2.91 Inch D x 4.12 Inch H
- Short Description:
- 208 VAC Star/120 VAC, 30 A, 10 kA Interrupt, 3-Pole, Bolt-On Mount, 3-Panel Space, Box Lug Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Mounting:
- Bolt-On
- Series:
- QOB
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 208 VAC Star/120 VAC at 50/60 Hz
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
- Country of Origin:
- Mexico
MSRP $836.00Surplus $957.60 -
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Square D QOB330VH1021 Miniature Circuit Breakers (MCBs)
MSRP $629.00Surplus $280.37SKU: C15-6663 Brand: Square D MPN: QOB330VH1021 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6663
- TS PIK:
- 21356027
- Number of Poles:
- 3
- Type:
- Miniature
- Current Rating:
- 30 A
- Series:
- QOB
- Voltage Rating:
- 120/240 V AC 50/60 Hertz
- Approval:
- UL, CSA
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Interrupting Rating:
- 22 kA at 120/240 V AC
- Used On:
- NQ Panelboard
- Data Sheet:
- SchneiderElectric_11146_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Installation:
- Bolt-On
MSRP $629.00Surplus $280.37 -
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Square D QOU330 Miniature Circuit Breakers (MCBs) QOU 3P 30A 240V 50/60Hz 3Ph EA
MSRP $340.00Surplus $152.95SKU: C15-4930 Brand: Square D MPN: QOU330 UPC: 78590141892 Shipping Weight: 1.15 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-4930
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21666_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 3
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
MSRP $340.00Surplus $152.95 -
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Square D QOU3301200 Molded Case Breakers (MCCBs)
MSRP $523.00Surplus $141.21SKU: C15-17973 Brand: Square D MPN: QOU3301200 UPC: 78590147253 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17973
- Series:
- QOU
- Number of Poles:
- 3
- Size:
- 3 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Interrupting Rating:
- 10 kA
- Type:
- Miniature, Standard, Auxiliary Switch
- Data Sheet:
- SchneiderElectric_21669_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Approval:
- UL, CSA
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Terminal Type:
- Slotted Box Lug Line/Load
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Slotted Box Lug Line/Load Terminal, Auxiliary Switch, Standard, Miniature Circuit Breaker
MSRP $523.00Surplus $141.21 -
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Square D QOU330VH Molded Case Breakers (MCCBs)
MSRP $735.00Surplus $198.45SKU: C15-17974 Brand: Square D MPN: QOU330VH UPC: 78590156006 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17974
- Type:
- Miniature, Standard
- Series:
- QOU
- Approval:
- UL, CSA
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Interrupting Rating:
- 22 kA
- Current Rating:
- 30 A
- Terminal Type:
- Slotted Box Lug Line/Load
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Data Sheet:
- SchneiderElectric_21674_1_2_DATA.pdf
- Used On:
- OEM
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Short Description:
- 120/240 VAC, 30 A, 22 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Mounting:
- DIN Rail/Unit/Surface/Flush
MSRP $735.00Surplus $198.45 -
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THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V
MSRP $294.93Surplus $77.14THQL32030 Miniature Circuit Breakers (MCBs) 3P 30A 240V​ ARCA SKU: C15-3004 Brand: MPN: THQL32030 UPC: 783164013023 Shipping Weight: 1.05 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3004
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 30 A, 10 kA, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
MSRP $294.93Surplus $77.14 -
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Unbranded SF-410648 Molded Case Breakers (MCCBs) 3P 30A
MSRP $1,561.92Surplus $562.29SKU: C15-4479 Brand: Unbranded MPN: SF-410648 UPC: Shipping Weight: 1.55 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-4479
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Short Description:
- 3P 30A
MSRP $1,561.92Surplus $562.29 -
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Westinghouse SF-423152 Molded Case Breakers (MCCBs) EB 3P 30A 240V 50/60Hz 3Ph
MSRP $195.00Surplus $70.20Westinghouse SF-423152 Molded Case Breakers (MCCBs) EB 3P 30A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4528 Brand: Westinghouse MPN: SF-423152 UPC: Shipping Weight: 4.00 Shipping Height: 5...- SKU:
- C15-4528
- Voltage Rating:
- 240 V
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Short Description:
- EB 3P 30A 240V 50/60Hz 3Ph
MSRP $195.00Surplus $70.20 -
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Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA
MSRP $329.00Surplus $53.20Siemens Q330 Miniature Circuit Breakers (MCBs) Q 3P 30A 240V EA​ ARCA SKU: C15-3643 Brand: Siemens MPN: Q330 UPC: 78364314841 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3643
- Approval:
- UL 489
- Amps:
- 30 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Thermal Magnetic
- Type:
- Common Trip
- Used On:
- Load Centre Main
- Used On:
- Feeder
- Volts:
- 240 V
- Short Description:
- 240 V, 30 A, 10 kA, 3-Pole, Plug-In, QP/MP Frame, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Data Sheet:
- SiemensAG_01548_1_DATA.pdf
- TS PIK:
- 21366630
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01502_1_12_CAT.pdf
- Voltage Rating:
- 240 V
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $329.00Surplus $53.20
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