
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 QOB330 Miniature Circuit Breakers (MCBs) EA
MSRP $316.44Surplus $85.80Square D QOB330 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-1435 Brand: Square D MPN: QOB330 UPC: 78590141712 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1435
- Series:
- QOB
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- NQ Merchandised Panelboard
- Poles:
- 3
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Interrupting Rating:
- 5 kA at 48 Volt DC
- Installation:
- Bolt-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_9_10_CAT.pdf
- Data Sheet:
- SchneiderElectric_21383_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 111088432
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
- Current Rating:
- 30 A
- Mounting:
- Bolt-On
- Country of Origin:
- United States
MSRP $316.44Surplus $85.80 -
Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $39.80Surplus $12.60Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V​ ARCA SKU: C15-6649 Brand: Square D MPN: QOB130 UPC: 78590141676 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6649
- TS PIK:
- 109595202
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21264_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $39.80Surplus $12.60 -
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Square D EDB14030EPD Miniature Circuit Breakers (MCBs)
MSRP $673.85Surplus $656.64SKU: C15-10678 Brand: Square D MPN: EDB14030EPD UPC: 78590147557 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10678
- TS PIK:
- 120836421
- Series:
- EDB-EPD
- Voltage Rating:
- 120/240/277 VAC at 50/60 Hz (UL/CSA), 240/415 VAC at 50/60 Hz (IEC)
- Interrupting Rating:
- 25 kA at 120 VAC, 18 kA at 120/240/277 VAC (UL/CSA), 20 kA at 240 VAC, 10 kA at 415 VAC (IEC)
- Type:
- Thermal Magnetic, Equipment Protector
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Used On:
- NF Panelboard
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Short Description:
- 277 VAC, 30 A, 18 kA Interrupt, 1-Pole, 12 to 4 AWG Aluminum, 14 to 6 AWG Copper, Bolt-On Mount, Lug Terminal, Equipment Protector, Miniature Circuit Breaker
- Current Rating:
- 30 A
- Approval:
- UL 489/1053, CSA C22.2
- Data Sheet:
- SchneiderElectric-SquareD_12658_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00257_9_28_CAT.pdf
- Size:
- 0.98 Inch W x 4.05 Inch D x 5.66 Inch H
- Trip Sensitivity:
- 30 MilliA
- CAD Drawings:
- SchneiderElectric-SquareD_17562_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00071_INST.pdf
MSRP $673.85Surplus $656.64 -
Square D EGB34030 Everything Else
MSRP $916.11Surplus $301.00SKU: C15-6415 Brand: Square D MPN: EGB34030 UPC: 78590107301 Shipping Weight: 1.72 lbs. Shipping Height: 5.66 In. Shipping Length: 2.94 In. Shipping Width: 4.05 In...- SKU:
- C15-6415
- TS PIK:
- 115345453
- Short Description:
- 480 Star/277 VAC, 30 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Type:
- Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 30 A
- Used On:
- NF Merchandised Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Voltage Rating:
- 480 Star/277 VAC
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45676_1_2_DATA.pdf
- Series:
- EGB
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
- Application:
- Lighting
- Trip Setting:
- 270 A (Hold), 875 A (Trip)
- Approval:
- UL (Canada and US)
- Installation:
- Bolt-On
MSRP $916.11Surplus $301.00 -
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Square D EHB14030 Molded Case Breakers (MCCBs)
MSRP $933.00Surplus $1,050.00SKU: C15-8618 Brand: Square D MPN: EHB14030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8618
- Voltage Rating:
- 120/240/277 VAC at 50/60 Hz (UL/CSA)
- Type:
- Miniature, Thermal Magnetic
- Interrupting Rating:
- 65 kA at 120 VAC, 14 kA at 240/277 VAC
- Mounting:
- Bolt-On
- Current Rating:
- 30 A
- Series:
- EHB
- Short Description:
- 277 V, 30 A, 1-Pole, Miniature Circuit Breaker
- Size:
- 1 Inch W x 2.97 Inch D x 3.5 Inch H
- Approval:
- UL
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Number of Poles:
- 1
MSRP $933.00Surplus $1,050.00 -
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Square D QOB130EPD Everything Else
MSRP $355.28Surplus $143.89SKU: C15-6387 Brand: Square D MPN: QOB130EPD UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6387
- TS PIK:
- 124024777
- Prop 65 Warning:
- Yes
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00881_INST.pdf
- Approval:
- UL, CSA
- Series:
- QOB-EPD
- Terminal Type:
- Pressure Plate
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_15124_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQOD Panelboard/Interior
- Type:
- Thermal Magnetic, Equipment Protector
- Current Rating:
- 30 A
- Mounting:
- Bolt-On
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Interrupting Rating:
- 10 kA
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
MSRP $355.28Surplus $143.89 -
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Square D QOB130GFI Miniature Circuit Breakers (MCBs)
MSRP $200.88Surplus $67.72SKU: C15-6463 Brand: Square D MPN: QOB130GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6463
- TS PIK:
- 21032441
- Current Rating:
- 30 A
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Used On:
- NQOD Panelboard/Interior
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Interrupting Rating:
- 10 kA
- Trip Sensitivity:
- 6 MilliA
- Data Sheet:
- SchneiderElectric-SquareD_15125_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Equipment Protector
- Prop 65 Warning:
- Yes
- Number of Poles:
- 1
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Mounting:
- Bolt-On
- Short Description:
- 120 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Series:
- QOB-GFI
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Terminal Type:
- Pressure Plate
MSRP $200.88Surplus $67.72 -
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Square D QOB130HID Miniature Circuit Breakers (MCBs)
MSRP $30.91Surplus $500.00SKU: C15-10909 Brand: Square D MPN: QOB130HID UPC: 78590136283 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10909
- TS PIK:
- 116963368
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Series:
- QOB-HID
- Mounting:
- Bolt-On
- Used On:
- NQ and NQOD Panelboard/Interior
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Current Rating:
- 30 A
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Terminal Type:
- Pressure Plate
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Application:
- Fluorescent/HID Lighting
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, High Intensity Discharge, Miniature Circuit Breaker
- Approval:
- UL, CSA
- Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_15126_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00832_INST.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
MSRP $30.91Surplus $500.00 -
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Square D QOB230EPD Miniature Circuit Breakers (MCBs)
MSRP $600.00Surplus $428.26SKU: C15-11816 Brand: Square D MPN: QOB230EPD UPC: 78590112078 Shipping Weight: 1.00 lbs. Shipping Height: 4.00 In. Shipping Length: 3.00 In. Shipping Width: 1.50 In...- SKU:
- C15-11816
- TS PIK:
- 111083437
- Prop 65 Warning:
- Yes
- Series:
- QOB-EPD
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, 30 mA Class B Ground Fault, Miniature Circuit Breaker
- Type:
- Miniature, Thermal Magnetic, Equipment Protector, Common Trip
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 V AC
- Interrupting Rating:
- 10 kA
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Approval:
- UL, CSA
- Mounting:
- Bolt-On
- Used On:
- NQ Panelboard/Interior
- Trip Sensitivity:
- 30 MilliA
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_15163_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
MSRP $600.00Surplus $428.26 -
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Square D QOB230EPD1200 Molded Case Breakers (MCCBs)
MSRP $646.00Surplus $174.42SKU: C15-17868 Brand: Square D MPN: QOB230EPD1200 UPC: 78590153826 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17868
- Prop 65 Warning:
- Yes
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Type:
- Thermal Magnetic, Miniature
- Interrupting Rating:
- 10 kA
- Size:
- 2.25 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Current Rating:
- 30 A
- Installation/Operator:
- SchneiderElectric-SquareD_00133_INST.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_05482_1_CAD.pdf
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
- Mounting:
- Bolt-On
- Approval:
- UL, CSA
- Used On:
- NQ/NQOD Panelboard
- Short Description:
- 120/240 VAC, 30 A, 2-Pole, 10 kA, Bolt-On Mount, Pressure Plate Terminal, Thermal Magnetic, Miniature, Miniature Circuit Breaker
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_05133_1_2_DATA.pdf
MSRP $646.00Surplus $174.42 -
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Square D QOB230GFI Miniature Circuit Breakers (MCBs) QOB 2P 30A 240V 50/60Hz 1Ph
MSRP $595.00Surplus $266.00Square D QOB230GFI Miniature Circuit Breakers (MCBs) QOB 2P 30A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3520 Brand: Square D MPN: QOB230GFI UPC: 785901563037 Shipping Weight: 0.90 Shipping...- SKU:
- C15-3520
- Series:
- QOB-GFI
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Equipment Protector
- Approval:
- UL
- Approval:
- CSA
- Size:
- 1.5 Inch W x 2.91 Inch D x 4.12 Inch H
- Volts:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Amps:
- 32 A
- Used On:
- NQOD Panelboard/Interior
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 12 to 8 AWG (Aluminum)
- Wire Size:
- 14 to 8 AWG (Copper)
- Trip Sensitivity:
- 6 MilliA
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15164_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Prop 65 Warning:
- Yes
- Current Rating:
- 30 A
- Country of Origin:
- Mexico
MSRP $595.00Surplus $266.00 -
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Square D QOB230HID Molded Case Breakers (MCCBs)
MSRP $136.00Surplus $36.72SKU: C15-17870 Brand: Square D MPN: QOB230HID UPC: 78590136294 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17870
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 30 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, 2-Panel Space, Pressure Plate Terminal, High Intensity Discharge, Miniature Circuit Breaker
- Type:
- Thermal Magnetic
- Poles:
- 2
- Series:
- QOB-HID
- Terminal Type:
- Pressure Plate
- Voltage Rating:
- 120/240 VAC at 50/60 Hz (UL/CSA)
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_15165_1_2_DATA.pdf
- Application:
- Fluorescent/HID Lighting
- Catalog:
- SchneiderElectric_00260_9_15_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00832_INST.pdf
- Mounting:
- Bolt-On
- Used On:
- NQ and NQOD Panelboard/Interior
MSRP $136.00Surplus $36.72 -
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Square D QOB230VH Miniature Circuit Breakers (MCBs) EA
MSRP $185.00Surplus $95.76Square D QOB230VH Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-8612 Brand: Square D MPN: QOB230VH UPC: 78590137194 Shipping Weight: 0.60 lbs. Shipping Height: 1.00 In...- SKU:
- C15-8612
- TS PIK:
- 111088254
- Series:
- QOB-VH
- Type:
- Miniature, Standard
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Current Rating:
- 30 A
- Data Sheet:
- SchneiderElectric_21326_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Used On:
- NQ Panelboard
- Interrupting Rating:
- 22 kA at 240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Short Description:
- 240 VAC 50/60 Hz, 30 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Mounting:
- Bolt-On
- Country of Origin:
- United States
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $185.00Surplus $95.76 -
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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