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 QO320VH Miniature Circuit Breakers (MCBs)
MSRP $371.00Surplus $236.74Square D QO320VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6544 Brand: Square D MPN: QO320VH UPC: 78590137186 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6544
- TS PIK:
- 123131436
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Type:
- Common Trip, Miniature, Standard
- Terminal Type:
- Pressure Plate
- Number of Poles:
- 3
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Mounting:
- Plug-On
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Series:
- QO
- Interrupting Rating:
- 22 kA
- Data Sheet:
- SchneiderElectric-SquareD_53574_1_2_DATA.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Current Rating:
- 20 A
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $371.00Surplus $236.74 -
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Square D QOB120VH1021 Miniature Circuit Breakers (MCBs)
MSRP $261.00Surplus $372.40Square D QOB120VH1021 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6546 Brand: Square D MPN: QOB120VH1021 UPC: 78590108854 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6546
- TS PIK:
- 109595119
- Short Description:
- 120/240 VAC 50/60 Hz, 20 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
- Series:
- QOB
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_2_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_11040_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $261.00Surplus $372.40 -
Square D QOB1201021 Miniature Circuit Breakers (MCBs)
MSRP $229.00Surplus $266.00Square D QOB1201021 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6592 Brand: Square D MPN: QOB1201021 UPC: 78590149419 Shipping Weight: 0.65 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6592
- TS PIK:
- 109595136
- Type:
- Miniature, Standard
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_2_9_16_CAT.pdf
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Used On:
- NQ Panelboard
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Installation:
- Bolt-On
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Data Sheet:
- SchneiderElectric_11027_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Series:
- QOB
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Country of Origin:
- Mexico
MSRP $229.00Surplus $266.00 -
Crouse-Hinds CHT2020 Miniature Circuit Breakers (MCBs) EA
MSRP $129.34Surplus $28.40Crouse-Hinds CHT2020 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5707 Brand: Crouse-Hinds MPN: CHT2020 UPC: Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5707
- TS PIK:
- 111022683
- Data Sheet:
- Eaton_36590_1_2_DATA.pdf
- Used On:
- Universal CTL and Non-CTL CH Load Center
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, Plug-On Mount, Twin Panel, Circuit Breaker
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Series:
- CHT
- Catalog:
- Eaton_36601_V1T1_35_V1T1_39_CAT.pdf
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Mounting:
- Plug-On
- Wire Size:
- 14 to 8 AWG Copper/Aluminum
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Installation/Operator:
- Eaton_00008_INST.pdf
- Approval:
- UL 489
- Country of Origin:
- United States
MSRP $129.34Surplus $28.40 -
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Eaton BABRSP2020 Miniature Circuit Breakers (MCBs) BAB 2P 20A 240V 50/60Hz 1Ph
MSRP $867.60Surplus $812.00SKU: C15-1117 Brand: Eaton MPN: BABRSP2020 UPC: 782116062584 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In...- SKU:
- C15-1117
- Approval:
- UL 489
- Approval:
- CSA 22.2
- Amps:
- 20 A
- Interrupting Rating:
- 10000 A at 120/240 VAC
- Mounting:
- Bolt-On
- Poles:
- 2
- Size:
- 2.25 Inch Width x 6.25 Inch Depth x 3.75 Inch Height
- Terminal Type:
- Miniature
- Type:
- Status Switch
- Volts:
- 120/240 VAC 50/60 Hertz
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, Bolt-On Mount, Remotely Operated, Type BAB, Smart Circuit Breaker
- Specification/Technical:
- EatonCorp_00324_1_2_SPEC.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
MSRP $867.60Surplus $812.00 -
Square D QHB220 Miniature Circuit Breakers (MCBs)
Surplus $263.34SKU: C15-11808 Brand: Square D MPN: QHB220 UPC: 78590134163 Shipping Weight: 3.00 lbs. Shipping Height: 1.50 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11808
- TS PIK:
- 111087964
- Number of Poles:
- 2
- Interrupting Rating:
- 65 kA at 120/240 VAC
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 65 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Type:
- Miniature
- Approval:
- UL, CSA
- Used On:
- NQ Panelboard
- Installation:
- Bolt-On
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Current Rating:
- 20 A
- Series:
- QH
- Data Sheet:
- SchneiderElectric-SquareD_70869_1_2_DATA.pdf
- Country of Origin:
- Mexico
Surplus $263.34 -
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Square D QHB320 Molded Case Breakers (MCCBs)
MSRP $689.85Surplus $186.26SKU: C15-17676 Brand: Square D MPN: QHB320 UPC: 78590134166 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17676
- Used On:
- NQ Panelboard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 65 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Interrupting Rating:
- 65 kA at 120/240 VAC
- Installation:
- Bolt-On
- Type:
- Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Approval:
- UL, CSA
- Series:
- QH
- Data Sheet:
- SchneiderElectric-SquareD_70873_1_2_DATA.pdf
MSRP $689.85Surplus $186.26 -
Square D QO2020 Everything Else
MSRP $73.00Surplus $63.00SKU: C15-6635 Brand: Square D MPN: QO2020 UPC: 78590140094 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-6635
- TS PIK:
- 111088405
- Number of Poles:
- 1
- Approval:
- UL, CSA
- Type:
- Tandem, Miniature
- Mounting:
- Plug-On
- Current Rating:
- 20 A
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
- Used On:
- QO Load Center
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Terminal Type:
- Box Lug
- Series:
- QO
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 1-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Tandem, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_53465_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $73.00Surplus $63.00 -
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Square D QO220H Molded Case Breakers (MCCBs)
MSRP $341.00Surplus $92.07SKU: C15-17768 Brand: Square D MPN: QO220H UPC: 78590140037 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17768
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Series:
- QO
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Type:
- Common Trip, Miniature, Standard
- Number of Poles:
- 2
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_53499_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Mounting:
- Plug-On
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Terminal Type:
- Pressure Plate
- Interrupting Rating:
- 10 kA
MSRP $341.00Surplus $92.07 -
Square D QO220VH Miniature Circuit Breakers (MCBs)
MSRP $146.00Surplus $79.84Square D QO220VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6453 Brand: Square D MPN: QO220VH UPC: 78590137182 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6453
- TS PIK:
- 111088242
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 22 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Type:
- Common Trip, Miniature, Standard
- Series:
- QO
- Current Rating:
- 20 A
- Terminal Type:
- Pressure Plate
- Data Sheet:
- SchneiderElectric-SquareD_53502_1_2_DATA.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $146.00Surplus $79.84 -
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Square D QOB1202100 Molded Case Breakers (MCCBs)
MSRP $133.00Surplus $35.91SKU: C15-17822 Brand: Square D MPN: QOB1202100 UPC: 78590185101 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17822
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker with 120 VAC 1 A Alarm Switch
- Series:
- QOB
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_2_9_16_CAT.pdf
- Approval:
- UL, CSA
- Current Rating:
- 20 A
- Data Sheet:
- SchneiderElectric_11030_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Installation:
- Bolt-On
- Type:
- Miniature, Standard
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Used On:
- NQ Panelboard
MSRP $133.00Surplus $35.91 -
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Square D QOB220VH1021 Molded Case Breakers (MCCBs)
MSRP $400.00Surplus $215.10SKU: C15-11436 Brand: Square D MPN: QOB220VH1021 UPC: 78590132512 Shipping Weight: 2.00 lbs. Shipping Height: 3.00 In. Shipping Length: 2.25 In. Shipping Width: 3.00...- SKU:
- C15-11436
- TS PIK:
- 115773426
- Type:
- Miniature
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 20 A
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Used On:
- NQ Panelboard
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Installation:
- Bolt-On
- Series:
- QOB
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric_11082_1_2_DATA.pdf
MSRP $400.00Surplus $215.10 -
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Square D QOB320VH1021 Molded Case Breakers (MCCBs)
MSRP $1,154.00Surplus $311.58SKU: C15-17890 Brand: Square D MPN: QOB320VH1021 UPC: 78590109021 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17890
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_11135_1_2_DATA.pdf
- Installation:
- Bolt-On
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 20 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Series:
- QOB
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 3
- Approval:
- UL, CSA
- Type:
- Miniature
- Current Rating:
- 20 A
MSRP $1,154.00Surplus $311.58 -
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Square D QOU120VH Molded Case Breakers (MCCBs)
MSRP $190.00Surplus $51.30SKU: C15-17945 Brand: Square D MPN: QOU120VH UPC: 78590155952 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17945
- Current Rating:
- 20 A
- Series:
- QOU
- Short Description:
- 120/240 VAC, 20 A, 22 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric_21476_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- CAD Drawings:
- SchneiderElectric_30267_1_CAD.pdf
- Used On:
- OEM
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Approval:
- UL, CSA
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Installation/Operator:
- SchneiderElectric-SquareD_02170_INST.pdf
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Type:
- Miniature, Standard
- Number of Poles:
- 1
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Slotted Box Lug Line/Load
MSRP $190.00Surplus $51.30 -
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Square D QOU220VH Molded Case Breakers (MCCBs)
MSRP $198.00Surplus $53.46SKU: C15-17955 Brand: Square D MPN: QOU220VH UPC: 78590157983 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17955
- Interrupting Rating:
- 22 kA
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Terminal Type:
- Slotted Box Lug Line/Load
- Used On:
- OEM
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Current Rating:
- 20 A
- Data Sheet:
- SchneiderElectric_21559_1_2_DATA.pdf
- Type:
- Miniature, Standard
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_02170_INST.pdf
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Short Description:
- 120/240 VAC, 20 A, 22 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Approval:
- UL, CSA
- Series:
- QOU
MSRP $198.00Surplus $53.46 -
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Square D QOU320VH Molded Case Breakers (MCCBs)
MSRP $760.00Surplus $205.20SKU: C15-17971 Brand: Square D MPN: QOU320VH UPC: 78590156001 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17971
- Short Description:
- 120/240 VAC, 20 A, 22 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Series:
- QOU
- Type:
- Miniature, Standard
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Used On:
- OEM
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 20 A
- Interrupting Rating:
- 22 kA
- CAD Drawings:
- SchneiderElectric_30267_1_CAD.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Approval:
- UL, CSA
- Number of Poles:
- 3
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Data Sheet:
- SchneiderElectric_21658_1_2_DATA.pdf
MSRP $760.00Surplus $205.20
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