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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Contact Us For Quote
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 -
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 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 -
Contact Us For Quote
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
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
