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 Q22000S01 Miniature Circuit Breakers (MCBs)
MSRP $488.03Surplus $235.37SKU: C15-6271 Brand: Siemens MPN: Q22000S01 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6271
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07007_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Current Rating:
- 20 A
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Terminal Type:
- Load Lug
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Used On:
- Loadcenter
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $488.03Surplus $235.37 -
Siemens Q22020CT Miniature Circuit Breakers (MCBs)
MSRP $204.20Surplus $78.17SKU: C15-10539 Brand: Siemens MPN: Q22020CT UPC: 78364319499 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10539
- TS PIK:
- 21367180
- Short Description:
- 120/240 V, 20 A, 10 kA Interrupt, 2-Pole, Thermal Magnetic, Plug-On Circuit Breaker
- Mounting:
- Plug-On
- Terminal Type:
- Load Lug
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Used On:
- Loadcenter
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_01646_1_DATA.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Current Rating:
- 20 A
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Triplex, Common Trip
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $204.20Surplus $78.17 -
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Siemens Q22020CT2NC Molded Case Breakers (MCCBs)
MSRP $209.64Surplus $56.60SKU: C15-17531 Brand: Siemens MPN: Q22020CT2NC UPC: 88762102432 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17531
- Current Rating:
- 20 A
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Series:
- QT
- Mounting:
- Plug-On
- Catalog:
- SiemensAG_00562_1_42_CAT.pdf
- Data Sheet:
- SiemensAG_07011_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- MEX
- Number of Poles:
- (2) Inside, (2) Outside
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Size:
- 2 Inch W x 2.06 Inch D x 3.12 Inch H
- Used On:
- Loadcenter
- Short Description:
- 120/240 VAC, 20 A, 10 kA, (2) 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QT Frame, Non-CTL, Quadplex, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Approval:
- UL 489, CSA C22.2
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic Trip, Quadplex, Common Trip, Non-Control
MSRP $209.64Surplus $56.60 -
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Siemens Q220H Miniature Circuit Breakers (MCBs)
MSRP $273.62Surplus $93.45SKU: C15-10544 Brand: Siemens MPN: Q220H UPC: 78364314875 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10544
- TS PIK:
- 21366662
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC, 20 A, 22 kA, 2-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Number of Poles:
- 2
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Terminal Type:
- Load Lug
- Current Rating:
- 20 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Used On:
- Loadcenter
- Interrupting Rating:
- 22 kA
- Data Sheet:
- SiemensAG_07020_1_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
MSRP $273.62Surplus $93.45 -
Siemens QSA2020SPD Molded Case Breakers (MCCBs)
MSRP $471.01Surplus $141.94SKU: U00-8608 Brand: Siemens MPN: QSA2020SPD UPC: 04089227875 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8608
- Country of Origin:
- MEX
- Short Description:
- 120/240 VAC, 20 A, 10 kA, (2) 1-Pole, 360 Joule Line to Neutral/720 Joule Line to Line, Plug-On Mount, QP Frame, Thermal Magnetic, Miniature Circuit Breaker and Surge Protective Device
- Terminal Type:
- Line, Load Lug
- Type:
- Thermal and Fixed Magnetic Trip
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_07136_1_DATA.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum) Load
- Used On:
- Loadcenter, Panelboard
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Application:
- Household, Facility Circuit
- Approval:
- UL 1449, CSA
- Mounting:
- Plug-On
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Poles:
- 1
- Catalog:
- SiemensAG_00564_7_28_CAT.pdf
MSRP $471.01Surplus $141.94 -
Square D QO1201021 Miniature Circuit Breakers (MCBs)
MSRP $514.57Surplus $342.19SKU: C15-10872 Brand: Square D MPN: QO1201021 UPC: 78590149381 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10872
- TS PIK:
- 111089491
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, 2-Panel Space, Pressure Plate Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 1
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 20 A
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_CAT.pdf
- Terminal Type:
- Pressure Plate
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_14834_1_2_DATA.pdf
- Country of Origin:
- United States
MSRP $514.57Surplus $342.19 -
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Square D QO1201200 Molded Case Breakers (MCCBs)
MSRP $257.29Surplus $69.47SKU: C15-17730 Brand: Square D MPN: QO1201200 UPC: 78590148295 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17730
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_1_39_CAT.pdf
- Approval:
- UL, CSA
- Mounting:
- Plug-On
- Data Sheet:
- SchneiderElectric-SquareD_14836_1_2_DATA.pdf
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 1
- Terminal Type:
- Pressure Plate
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Type:
- Thermal Magnetic
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 1-Pole, Plug-On Mount, 2-Panel Space, Pressure Plate Terminal, Auxiliary Switch, Miniature Circuit Breaker
MSRP $257.29Surplus $69.47 -
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Square D QO1201201 Molded Case Breakers (MCCBs)
MSRP $103.46Surplus $27.93SKU: C15-17731 Brand: Square D MPN: QO1201201 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17731
- Short Description:
- 120/240 VAC, 48 VDC, 20 A, 5/10 kA, 14 to 8 AWG Aluminum/Copper, (2) 14 to 10 AWG Copper, 1-Pole, Plug-On Mount, Miniature Circuit Breaker
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Size:
- 0.75 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_2_1_3_CAT.pdf
- Type:
- Thermal Magnetic
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_05047_1_2_DATA.pdf
- Mounting:
- Plug-On
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Approval:
- UL, CSA
MSRP $103.46Surplus $27.93 -
Square D QO2201021 Miniature Circuit Breakers (MCBs) 120V
Surplus $525.05Square D QO2201021 Miniature Circuit Breakers (MCBs) 120V​ ARCA SKU: C15-8610 Brand: Square D MPN: QO2201021 UPC: 78312604212 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-8610
- TS PIK:
- 21331636
- Type:
- Common Trip, Thermal Magnetic
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 20 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 3-Panel Space, Pressure Plate Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_14950_1_2_DATA.pdf
- Current Rating:
- 20 A
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 10 kA
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Approval:
- UL, CSA
- Country of Origin:
- Mexico
Surplus $525.05
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