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 QOB120 Miniature Circuit Breakers (MCBs) 20A 120V EA
MSRP $54.18Surplus $15.87Square D QOB120 Miniature Circuit Breakers (MCBs) 20A 120V EA​ ARCA SKU: C15-3156 Brand: Square D MPN: QOB120 UPC: 78590141672 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3156
- Type:
- Miniature
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3 Inch Height
- Volts:
- 120/240 VAC at 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- NQ Series Panelboard
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Interrupting Rating:
- 5 kA at 48 Volt DC
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA, 1-Pole, Pressure Plate Terminal, Bolt-On Mount, Standard, Miniature, Branch
- Catalog:
- SchneiderElectric-SquareD_03283_9_10_9_14_9_24_CAT.pdf
- TS PIK:
- 111088419
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Series:
- QOB
- Country of Origin:
- United States
MSRP $54.18Surplus $15.87 -
Square D EDB14020 Miniature Circuit Breakers (MCBs) EA
MSRP $204.20Surplus $43.86Square D EDB14020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-2394 Brand: Square D MPN: EDB14020 UPC: 78590187890 Shipping Weight: 1.10 lbs. Shipping Height: 2.00 In...- SKU:
- C15-2394
- Series:
- EDB
- Type:
- Pigtail
- Approval:
- UL (Canada and US)
- Approval:
- IEC
- Volts:
- 277 VAC
- Amps:
- 32 A
- Used On:
- NF Merchandised Panelboard
- Poles:
- 1
- Interrupting Rating:
- 18 kA at 480 Star/277 VAC
- Application:
- Lighting
- Installation:
- Bolt-On
- Trip Setting:
- 270 A (Hold)
- Trip Setting:
- 875 Amp (Trip)
- Short Description:
- 277 VAC, 20 A, 18 kA, 1-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Installation/Operator:
- Eaton_00008_INST.pdf
- Manufacturer Warranty:
- Eaton_00010_WARR.pdf
- TS PIK:
- 113878692
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_45544_1_2_DATA.pdf
- Current Rating:
- 20 A
- Voltage Rating:
- 277 VAC
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $204.20Surplus $43.86 -
Square D QOB120GFI Miniature Circuit Breakers (MCBs)
MSRP $273.46Surplus $153.89Square D QOB120GFI Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6593 Brand: Square D MPN: QOB120GFI UPC: 78590136871 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6593
- TS PIK:
- 111088219
- Used On:
- NQ Panelboard/Interior
- Series:
- QOB-GFI
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15112_1_2_DATA.pdf
- Voltage Rating:
- 120 VAC
- Short Description:
- 120 VAC 50/60 Hz, 20 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
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Current Rating:
- 20 A
- Terminal Type:
- Pressure Plate
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Mounting:
- Bolt-On
- Type:
- Miniature, Thermal Magnetic
- Country of Origin:
- United States
MSRP $273.46Surplus $153.89 -
Square D QOB115GFI Miniature Circuit Breakers (MCBs) 15A 120V
MSRP $337.60Surplus $117.71Square D QOB115GFI Miniature Circuit Breakers (MCBs) 15A 120V​ ARCA SKU: C15-6384 Brand: Square D MPN: QOB115GFI UPC: 78590136870 Shipping Weight: 0.50 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6384
- TS PIK:
- 124023841
- Size:
- 0.75 Inch W x 2.91 Inch D x 4.12 Inch H
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Used On:
- NQOD Panelboard/Interior
- Terminal Type:
- Pressure Plate
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Current Rating:
- 15 A
- Series:
- QOB-GFI
- Short Description:
- 120 VAC 50/60 Hz, 15 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
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_15104_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Equipment Protector
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper)
- Mounting:
- Bolt-On
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
MSRP $337.60Surplus $117.71 -
Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $54.18Surplus $19.92Square 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
MSRP $54.18Surplus $19.92 -
Contact Us For Quote
Square D ECB14020G3 Miniature Circuit Breakers (MCBs)
MSRP $322.63Surplus $244.42Square D ECB14020G3 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3973 Brand: Square D MPN: ECB14020G3 UPC: 78590100097 Shipping Weight: 1.35 lbs. Shipping Height: 2.00 In...- SKU:
- C15-3973
- Series:
- ECB-G3
- Type:
- Molded Case
- Type:
- Thermal Magnetic
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 480 Star/277 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- Bolt-On
- Interrupting Rating:
- 14 kA at 277 VAC
- Interrupting Rating:
- 65 kA at 120 Volt AC
- Wire Size:
- 10 to 8 AWG Copper
- Wire Size:
- 12 to 8 AWG Aluminum
- Short Description:
- 480 VAC Star/277 VAC, 20 A, 1-Pole, 65 kA Interrupt, 12 to 8 AWG Aluminum, 10 to 8 AWG Copper, Bolt-On Mount
- Catalog:
- SchneiderElectric_00257_9_39_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_12646_1_2_DATA.pdf
- TS PIK:
- 123174923
- Voltage Rating:
- 480 Star/277 VAC
- Number of Poles:
- 1
- Current Rating:
- 20 A
MSRP $322.63Surplus $244.42 -
Square D EDB14020EPD Miniature Circuit Breakers (MCBs) 1P 20A 277V EA
MSRP $1,566.86Surplus $1,050.11SKU: C15-7757 Brand: Square D MPN: EDB14020EPD UPC: 785901425045 Shipping Weight: 2.10 lbs. Shipping Height: 8.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00...- SKU:
- C15-7757
- TS PIK:
- 120836330
- Series:
- EDB-EPD
- Size:
- 1.96 Inch Width x 4.05 Inch Depth x 6.64 Inch Height
- Number of Poles:
- 1
- Terminal Type:
- Lug
- Type:
- Miniature, Thermal Magnetic, Equipment Protector
- Mounting:
- Bolt-On
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Used On:
- NF Panelboard
- Current Rating:
- 20 A
- CAD Drawings:
- SchneiderElectric-SquareD_17561_1_CAD.pdf
- Catalog:
- SchneiderElectric_00257_9_28_CAT.pdf
- Interrupting Rating:
- 18 kA at 277 VAC, 25 kA at 240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_00071_INST.pdf
- Short Description:
- 277 VAC, 20 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
- Data Sheet:
- SchneiderElectric-SquareD_12655_1_2_DATA.pdf
- Voltage Rating:
- 277 VAC
- Country of Origin:
- Mexico
MSRP $1,566.86Surplus $1,050.11 -
Contact Us For Quote
Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA
MSRP $355.30Surplus $253.47Square D QOB120AFI Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10990 Brand: Square D MPN: QOB120AFI UPC: Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-10990
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, Arc Fault, Miniature Circuit Breaker
- Series:
- QOB-AFI
- Terminal Type:
- Pressure Plate
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Voltage Rating:
- 120 VAC at 50/60 Hz (UL/CSA)
- Current Rating:
- 20 A
- Mounting:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_15109_1_2_DATA.pdf
- Used On:
- NQ and NQOD Panelboard/Interior
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- CAD Drawings:
- SchneiderElectric-SquareD_03066_1_CAD.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00217_INST.pdf
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 1
MSRP $355.30Surplus $253.47 -
Square D QOB120VHGFI Miniature Circuit Breakers (MCBs) EA
MSRP $676.57Surplus $104.77Square D QOB120VHGFI Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6594 Brand: Square D MPN: QOB120VHGFI UPC: 78590152071 Shipping Weight: 0.45 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6594
- Current Rating:
- 20 A
- Installation/Operator:
- SchneiderElectric-SquareD_00193_INST.pdf
- Series:
- QO
- Catalog:
- SchneiderElectric-SquareD_03283_9_14_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15118_1_2_DATA.pdf
- Used On:
- Panelboard
- Short Description:
- 120 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 1-Pole, Bolt-On Mount, 1-Panel Space, Pressure Plate Terminal, Pigtail, 6 mA Class A Ground Fault, Miniature Circuit Breaker
- Number of Poles:
- 1
- Interrupting Rating:
- 22 kA
- Type:
- Miniature
- Mounting:
- Bolt-On
- Voltage Rating:
- 120 VAC
- Wire Size:
- 14 to 8 AWG (Copper), 12 to 8 AWG (Aluminum)
- Terminal Type:
- Pressure Plate
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
MSRP $676.57Surplus $104.77 -
Contact Us For Quote
Square D QOB150 Everything Else
MSRP $43.89Surplus $35.31Square D QOB150 Everything Else​ ARCA SKU: C15-6389 Brand: Square D MPN: QOB150 UPC: 78590141680 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6389
- TS PIK:
- 111088422
- Series:
- QOB
- Current Rating:
- 50 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Data Sheet:
- SchneiderElectric_21277_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Number of Poles:
- 1
- Mounting:
- Bolt-On
- Country of Origin:
- United States
MSRP $43.89Surplus $35.31 -
Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA
MSRP $329.43Surplus $94.13Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9374 Brand: Square D MPN: QOM100VH8106 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9374
- TS PIK:
- 122966518
- Data Sheet:
- SchneiderElectric-SquareD_05139_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, 12 to 2/0 AWG Aluminum/Copper, Bolt-On Mount, Miniature Circuit Breaker
- Wire Size:
- 12 to 2/0 AWG (Aluminum/Copper)
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- CAD Drawings:
- SchneiderElectric-SquareD_05485_1_CAD.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $329.43Surplus $94.13
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