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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Siemens Q21500S01 Molded Case Breakers (MCCBs)
MSRP $199.14Surplus $53.77SKU: C15-17525 Brand: Siemens MPN: Q21500S01 UPC: 78364308870 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17525
- Country of Origin:
- MEX
- Short Description:
- BREAKER 15A 2P 120/240V 10K QP 120V ST
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic, Common Trip
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_10310_1_2_DATA.pdf
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Current Rating:
- 15 A
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Approval:
- UL 489, CSA C22.2
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Used On:
- Load Center
MSRP $199.14Surplus $53.77 -
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Square D QHB315 Molded Case Breakers (MCCBs)
MSRP $550.31Surplus $148.57SKU: C15-17675 Brand: Square D MPN: QHB315 UPC: 78590134165 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17675
- Series:
- QH
- Current Rating:
- 15 A
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 65 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker
- Type:
- Miniature
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_70872_1_2_DATA.pdf
- Approval:
- UL, CSA
- Interrupting Rating:
- 65 kA at 120/240 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Used On:
- NQ Panelboard
- Installation:
- Bolt-On
MSRP $550.31Surplus $148.57 -
Square D QO115VH Miniature Circuit Breakers (MCBs) QO 1P 15A 120V 50/60Hz 1Ph EA
MSRP $98.01Surplus $74.23Square D QO115VH Miniature Circuit Breakers (MCBs) QO 1P 15A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-4922 Brand: Square D MPN: QO115VH UPC: 785901371779 Shipping Weight: 0.30 Shipping Height: 1...- SKU:
- C15-4922
- Series:
- QO
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 1
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 22 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53330_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01254_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Country of Origin:
- Mexico
MSRP $98.01Surplus $74.23 -
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Square D QO215H Molded Case Breakers (MCCBs)
MSRP $688.82Surplus $185.98SKU: C15-17763 Brand: Square D MPN: QO215H UPC: 78590140031 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17763
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 15 A
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Number of Poles:
- 2
- Series:
- QO
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_53486_1_2_DATA.pdf
- Type:
- Common Trip, Miniature, Standard
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_01268_INST.pdf
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
MSRP $688.82Surplus $185.98 -
Square D QO215VH Miniature Circuit Breakers (MCBs) QO 2P 15A 120V 50/60Hz 1Ph 1 Phase
MSRP $198.75Surplus $163.90Square D QO215VH Miniature Circuit Breakers (MCBs) QO 2P 15A 120V 50/60Hz 1Ph 1 Phase​ ARCA SKU: C15-2175 Brand: Square D MPN: QO215VH UPC: 785901371816 Shipping Weight: 24.71 Shipping...- SKU:
- C15-2175
- Series:
- QO
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 22 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53534_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Current Rating:
- 15 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Country of Origin:
- Mexico
MSRP $198.75Surplus $163.90 -
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Square D QO315VH Molded Case Breakers (MCCBs)
MSRP $944.74Surplus $255.08SKU: C15-17797 Brand: Square D MPN: QO315VH UPC: 78590137185 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17797
- Current Rating:
- 15 A
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 22 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Type:
- Common Trip, Miniature, Standard
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53565_1_2_DATA.pdf
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Series:
- QO
- Approval:
- UL, CSA
- Terminal Type:
- Pressure Plate
MSRP $944.74Surplus $255.08 -
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Square D QOB1151021 Molded Case Breakers (MCCBs)
MSRP $336.24Surplus $90.79SKU: C15-18862 Brand: Square D MPN: QOB1151021 UPC: 78590149418 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18862
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Type:
- Miniature, Standard
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric_11013_1_2_DATA.pdf
- Series:
- QOB
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_2_9_16_CAT.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Installation:
- Bolt-On
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
MSRP $336.24Surplus $90.79 -
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Square D QOB115VH1021 Molded Case Breakers (MCCBs)
MSRP $613.95Surplus $165.77SKU: C15-17818 Brand: Square D MPN: QOB115VH1021 UPC: 78590149555 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17818
- Used On:
- NQ Panelboard
- Current Rating:
- 15 A
- Data Sheet:
- SchneiderElectric_11025_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_2_9_16_CAT.pdf
- Installation:
- Bolt-On
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Type:
- Miniature, Standard
- Series:
- QOB
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Approval:
- UL, CSA
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 22 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Number of Poles:
- 1
MSRP $613.95Surplus $165.77 -
Square D QOT1515 Miniature Circuit Breakers (MCBs)
MSRP $36.73Surplus $31.24SKU: C15-6605 Brand: Square D MPN: QOT1515 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6605
- TS PIK:
- 109595258
- Type:
- Tandem, Miniature
- Interrupting Rating:
- 10 kA
- Series:
- QO
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 1-Pole, 12 to 8 AWG Aluminum, 14 to 8 AWG Copper, Plug-On Mount, Pressure Plate Terminal, Tandem, Miniature Circuit Breaker
- Number of Poles:
- 1
- Current Rating:
- 15 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
- Terminal Type:
- Pressure Plate
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Mounting:
- Plug-On
- Used On:
- QO Load Center
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_53728_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01290_INST.pdf
- Country of Origin:
- United States
MSRP $36.73Surplus $31.24 -
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Square D QOU115VH Molded Case Breakers (MCCBs)
MSRP $138.85Surplus $37.49SKU: C15-17942 Brand: Square D MPN: QOU115VH UPC: 78590163120 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17942
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Interrupting Rating:
- 22 kA
- Installation/Operator:
- SchneiderElectric-SquareD_02170_INST.pdf
- Data Sheet:
- SchneiderElectric_21464_1_2_DATA.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 15 A, 22 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Series:
- QOU
- Current Rating:
- 15 A
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Approval:
- UL, CSA
- Number of Poles:
- 1
- Used On:
- OEM
- Type:
- Miniature, Standard
- Terminal Type:
- Slotted Box Lug Line/Load
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Mounting:
- DIN Rail/Unit/Surface/Flush
MSRP $138.85Surplus $37.49
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