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
- Price
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Siemens Q315H Miniature Circuit Breakers (MCBs)
MSRP $538.00Surplus $165.86SKU: C15-10561 Brand: Siemens MPN: Q315H UPC: 78364315641 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10561
- TS PIK:
- 115559540
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic, Common Trip
- Mounting:
- Plug-On
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Load Lug
- Current Rating:
- 15 A
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Used On:
- Load Center
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Data Sheet:
- SiemensAG_10320_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Interrupting Rating:
- 22 kA
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Short Description:
- BREAKER 15A 3P 240V 22K QPH
MSRP $538.00Surplus $165.86 -
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Siemens Q320H Miniature Circuit Breakers (MCBs)
MSRP $538.00Surplus $165.86SKU: C15-10563 Brand: Siemens MPN: Q320H UPC: 78364315642 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10563
- TS PIK:
- 115559543
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Terminal Type:
- Load Lug
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Data Sheet:
- SiemensAG_10321_1_2_DATA.pdf
- Used On:
- Load Center
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic, Common Trip
- Current Rating:
- 20 A
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Short Description:
- BREAKER 20A 3P 240V 22K QPH
MSRP $538.00Surplus $165.86 -
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Siemens Q340H Miniature Circuit Breakers (MCBs)
MSRP $538.00Surplus $165.86SKU: C15-10566 Brand: Siemens MPN: Q340H UPC: 78364315644 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10566
- TS PIK:
- 115559550
- Number of Poles:
- 3
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic, Common Trip
- Current Rating:
- 40 A
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Load Lug
- Data Sheet:
- SiemensAG_10324_1_2_DATA.pdf
- Wire Size:
- 8 to 6 AWG (Copper), 8 to 4 AWG (Aluminum)
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Used On:
- Load Center
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Mounting:
- Plug-On
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Interrupting Rating:
- 22 kA
- Country of Origin:
- Mexico
- Short Description:
- BREAKER 40A 3P 240V 22K QPH
- Approval:
- UL 489, CSA C22.2
MSRP $538.00Surplus $165.86 -
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Square D QO200 Molded Case Breakers (MCCBs)
MSRP $70.00Surplus $25.25Square D QO200 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7210 Brand: Square D MPN: QO200 UPC: 78590137170 Shipping Weight: 0.50 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-7210
- TS PIK:
- 21032731
- Number of Poles:
- 2
- Current Rating:
- 60 A
- Interrupting Rating:
- 10 kA
- Short Description:
- 240 VAC 50/60 Hz, 60 A, 10 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Molded Case Switch
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Series:
- QO
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Terminal Type:
- Box Lug
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_53459_1_2_DATA.pdf
- Type:
- Common Trip, Miniature
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Approval:
- UL, CSA
MSRP $70.00Surplus $25.25 -
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Square D QO2000 Molded Case Breakers (MCCBs)
MSRP $365.73Surplus $98.75SKU: C15-17756 Brand: Square D MPN: QO2000 UPC: 78590112059 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17756
- Short Description:
- 240 VAC 50/60 Hz, 100 A, 10 kA Interrupt, 2-Pole, 4 to 2/0 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Molded Case Switch
- Type:
- Common Trip, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Series:
- QO
- Number of Poles:
- 2
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric-SquareD_53460_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.5 Inch Height
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 100 A
- Approval:
- UL, CSA
MSRP $365.73Surplus $98.75 -
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Square D QO320EPD Molded Case Breakers (MCCBs)
MSRP $1,264.00Surplus $341.28SKU: C15-17799 Brand: Square D MPN: QO320EPD UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17799
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Approval:
- UL, CSA
- Number of Poles:
- 3
- Short Description:
- 240 VAC 50/60 Hz, 20 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
- Type:
- Miniature, Ground Fault Protecting Class B
- Used On:
- Load Center
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Current Rating:
- 20 A
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Data Sheet:
- SchneiderElectric-SquareD_53569_1_2_DATA.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Series:
- QO
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_6_CAT.pdf
MSRP $1,264.00Surplus $341.28 -
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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 QO350EPD Molded Case Breakers (MCCBs)
MSRP $871.00Surplus $235.17SKU: C15-18857 Brand: Square D MPN: QO350EPD UPC: 78590195712 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18857
- Installation/Operator:
- SchneiderElectric-Telemecanique_00370_INST.pdf
- Approval:
- UL, CSA
- Terminal Type:
- Box Lug
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Type:
- Miniature, Ground Fault Protecting Class B
- Data Sheet:
- SchneiderElectric-SquareD_53604_1_2_DATA.pdf
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Mounting:
- Plug-On
- Series:
- QO
- Short Description:
- 240 VAC 50/60 Hz, 50 A, 10 kA Interrupt, 3-Pole, 12 to 4 AWG Aluminum, 14 to 6 AWG Copper, Plug-On Mount, Box Lug Terminal, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Used On:
- Load Center
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_6_CAT.pdf
MSRP $871.00Surplus $235.17
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