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
- Product
- Qty in Cart
- Price
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Square D QO230EPD Miniature Circuit Breakers (MCBs)
MSRP $713.00Surplus $354.78SKU: C15-10892 Brand: Square D MPN: QO230EPD UPC: 78590112075 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10892
- TS PIK:
- 111083434
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Pressure Plate
- Type:
- Miniature, Thermal Magnetic, Equipment Protector, Common Trip
- Series:
- QO-EPD
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Mounting:
- Plug-On
- Data Sheet:
- SchneiderElectric-SquareD_14963_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03264_1_6_CAT.pdf
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Prop 65 Warning:
- Yes
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Used On:
- QO Loadcenter, NQ Panelboard, NQ OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Approval:
- UL, CSA
- Trip Sensitivity:
- 30 MilliA
- Country of Origin:
- Mexico
MSRP $713.00Surplus $354.78 -
Square D QO230GFI Miniature Circuit Breakers (MCBs)
MSRP $413.00Surplus $167.40SKU: C15-6643 Brand: Square D MPN: QO230GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6643
- TS PIK:
- 115900455
- Prop 65 Warning:
- Yes
- Series:
- QO-GFI
- Voltage Rating:
- 120/240 VAC
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Mounting:
- Plug-On
- Data Sheet:
- SchneiderElectric-SquareD_14964_1_2_DATA.pdf
- Type:
- Miniature, Thermal Magnetic, Common Trip
- Interrupting Rating:
- 10 kA
- Current Rating:
- 30 A
- Used On:
- QO Loadcenter, NQ Panelboard, NQ OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Terminal Type:
- Pressure Plate
- Catalog:
- SchneiderElectric-SquareD_03264_1_5_1_47_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Pressure Plate Terminal, 6 mA Class A Ground Fault, Pigtail, Miniature Circuit Breaker
- Number of Poles:
- 2
- Approval:
- UL, CSA
- Trip Sensitivity:
- 6 MilliA
- Country of Origin:
- Mexico
MSRP $413.00Surplus $167.40 -
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Square D QO230H Molded Case Breakers (MCCBs)
MSRP $348.00Surplus $93.96SKU: C15-17776 Brand: Square D MPN: QO230H UPC: 78590140043 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17776
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Series:
- QO
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Type:
- Common Trip, Miniature, Standard
- Mounting:
- Plug-On
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_53512_1_2_DATA.pdf
- Terminal Type:
- Pressure Plate
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
MSRP $348.00Surplus $93.96 -
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Square D QO230SWN Molded Case Breakers (MCCBs)
MSRP $162.00Surplus $43.74SKU: C15-17778 Brand: Square D MPN: QO230SWN UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17778
- Catalog:
- SchneiderElectric_00260_7_14_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Terminal Type:
- Pressure Plate
- Used On:
- NQOD Panelboard, QO Loadcenter, Speed-D Switchboard Distribution Panel
- Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_14966_1_2_DATA.pdf
- Mounting:
- Plug-On
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Series:
- QO-SWN
- Current Rating:
- 30 A
- Approval:
- UL, CSA
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
MSRP $162.00Surplus $43.74 -
Square D QO230VH Miniature Circuit Breakers (MCBs)
MSRP $146.00Surplus $83.85Square D QO230VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6454 Brand: Square D MPN: QO230VH UPC: 78590137184 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6454
- TS PIK:
- 21032371
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Data Sheet:
- SchneiderElectric-SquareD_53514_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 22 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Number of Poles:
- 2
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Interrupting Rating:
- 22 kA
- Current Rating:
- 30 A
- Type:
- Common Trip, Miniature, Standard
- Terminal Type:
- Pressure Plate
- Series:
- QO
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $146.00Surplus $83.85 -
Square D QO3030 Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph
MSRP $95.00Surplus $92.40Square D QO3030 Miniature Circuit Breakers (MCBs) QO 1P 30A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2180 Brand: Square D MPN: QO3030 UPC: 785901400967 Shipping Weight: 0.35 Shipping Height: 1.00...- SKU:
- C15-2180
- Type:
- Bi-Metallic
- Type:
- Thermal
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Volts:
- 240 VAC at 50/60 Hz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQOD Panelboard
- Used On:
- OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Enclosure:
- IP20
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Wire Size:
- (2) 14 to 10 AWG (Copper)
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Tandem
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_CAT.pdf
- Data Sheet:
- Eaton_41010_1-6_DATA.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Current Rating:
- 30 A
- Number of Poles:
- 3
- Installation/Operator:
- SchneiderElectric-SquareD_00194_INST.pdf
- Country of Origin:
- Mexico
MSRP $95.00Surplus $92.40 -
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Square D QO3301021 Miniature Circuit Breakers (MCBs) EA
MSRP $437.00Surplus $430.92Square D QO3301021 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10903 Brand: Square D MPN: QO3301021 UPC: 785901494119 Shipping Weight: 1.20 lbs. Shipping Height: 4.00 In...- SKU:
- C15-10903
- TS PIK:
- 111089502
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Terminal Type:
- Pressure Plate
- Type:
- Common Trip, Thermal Magnetic
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, Pressure Plate Terminal, Standard, AC Shunt Trip, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Data Sheet:
- SchneiderElectric-SquareD_15039_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Number of Poles:
- 3
- Approval:
- UL, CSA
MSRP $437.00Surplus $430.92 -
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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 QO330SWN Molded Case Breakers (MCCBs)
MSRP $191.52Surplus $51.71SKU: C15-17802 Brand: Square D MPN: QO330SWN UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17802
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Current Rating:
- 30 A
- Series:
- QO-SWN
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Catalog:
- SchneiderElectric-SquareD_03280_7_6_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Data Sheet:
- SchneiderElectric-SquareD_15047_1_2_DATA.pdf
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Terminal Type:
- Pressure Plate
- Approval:
- UL, CSA
- Mounting:
- Plug-On
- Used On:
- NQOD Panelboard, QO Loadcenter, Speed-D Switchboard Distribution Panel
- Poles:
- 3
- CAD Drawings:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 3-Panel Space, Pressure Plate Terminal, Switch Neutral, Miniature Circuit Breaker
MSRP $191.52Surplus $51.71 -
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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 -
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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
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.
