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 QOB330VH Miniature Circuit Breakers (MCBs)
MSRP $475.20Surplus $236.74Square D QOB330VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6558 Brand: Square D MPN: QOB330VH UPC: 78590137198 Shipping Weight: 0.80 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6558
- TS PIK:
- 109594403
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Number of Poles:
- 3
- Series:
- QOB-VH
- Data Sheet:
- SchneiderElectric_21389_1_2_DATA.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Installation:
- Bolt-On
- Approval:
- UL, CSA
- Country of Origin:
- United States
MSRP $475.20Surplus $236.74 -
Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V
MSRP $39.80Surplus $12.60Square D QOB130 Miniature Circuit Breakers (MCBs) 30A 120V​ ARCA SKU: C15-6649 Brand: Square D MPN: QOB130 UPC: 78590141676 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-6649
- TS PIK:
- 109595202
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 1-Pole, Q-Frame, Bolt-On Mount, Pressure Plate Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOB
- Current Rating:
- 30 A
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Number of Poles:
- 1
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Data Sheet:
- SchneiderElectric_21264_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Mounting:
- Bolt-On
- Country of Origin:
- Ireland
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $39.80Surplus $12.60 -
Contact Us For Quote
Square D QOB2301021 Molded Case Breakers (MCCBs)
MSRP $354.55Surplus $248.22SKU: U00-8586 Brand: Square D MPN: QOB2301021 UPC: 78590149430 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8586
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Pressure Plate, Miniature, Standard, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_20_CAT.pdf
- Data Sheet:
- SchneiderElectric_11086_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Series:
- QOB
- Installation:
- Bolt-On
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Current Rating:
- 30 A
MSRP $354.55Surplus $248.22 -
Contact Us For Quote
Square D QOU2301021 Molded Case Breakers (MCCBs)
MSRP $287.00Surplus $77.49SKU: C15-17956 Brand: Square D MPN: QOU2301021 UPC: 78590151794 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17956
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Series:
- QOU
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Slotted Box Lug Line/Load Terminal, Shunt Trip, Standard, Miniature Circuit Breaker
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric_21569_1_2_DATA.pdf
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Type:
- Miniature, Standard, Shunt Trip
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Terminal Type:
- Slotted Box Lug Line/Load
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Approval:
- UL, CSA
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Current Rating:
- 30 A
MSRP $287.00Surplus $77.49 -
Contact Us For Quote
Square D QOU330 Miniature Circuit Breakers (MCBs) QOU 3P 30A 240V 50/60Hz 3Ph EA
MSRP $340.00Surplus $152.95SKU: C15-4930 Brand: Square D MPN: QOU330 UPC: 78590141892 Shipping Weight: 1.15 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-4930
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21666_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 3
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
MSRP $340.00Surplus $152.95 -
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Square D QOU3301200 Molded Case Breakers (MCCBs)
MSRP $523.00Surplus $141.21SKU: C15-17973 Brand: Square D MPN: QOU3301200 UPC: 78590147253 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17973
- Series:
- QOU
- Number of Poles:
- 3
- Size:
- 3 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Interrupting Rating:
- 10 kA
- Type:
- Miniature, Standard, Auxiliary Switch
- Data Sheet:
- SchneiderElectric_21669_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Approval:
- UL, CSA
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Terminal Type:
- Slotted Box Lug Line/Load
- Current Rating:
- 30 A
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Slotted Box Lug Line/Load Terminal, Auxiliary Switch, Standard, Miniature Circuit Breaker
MSRP $523.00Surplus $141.21 -
Contact Us For Quote
Square D QOUQ230 Molded Case Breakers (MCCBs)
MSRP $108.00Surplus $29.16SKU: C15-17986 Brand: Square D MPN: QOUQ230 UPC: 78590176074 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17986
- Series:
- QOU
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Number of Poles:
- 2
- Type:
- Miniature, Standard
- Current Rating:
- 30 A
- Terminal Type:
- Slotted Box Lug Line/Load, 4-Point Quick-Connect
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Approval:
- UL, CSA
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, 4-Point Quick-Connect Terminal, Standard, Miniature Circuit Breaker
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21738_1_2_DATA.pdf
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
MSRP $108.00Surplus $29.16
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