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 QOB250VH1021 Miniature Circuit Breakers (MCBs)
MSRP $360.00Surplus $532.00Square D QOB250VH1021 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6554 Brand: Square D MPN: QOB250VH1021 UPC: 78590172905 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6554
- TS PIK:
- 109594866
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 50 A
- Type:
- Miniature
- Series:
- QOB
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Data Sheet:
- SchneiderElectric_11110_1_2_DATA.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Used On:
- NQ Panelboard
- Approval:
- UL, CSA
- Installation:
- Bolt-On
MSRP $360.00Surplus $532.00 -
Square D QO250VH Miniature Circuit Breakers (MCBs) QO 2P 50A 120V 50/60Hz 1Ph 1 Phase
MSRP $146.00Surplus $120.40Square D QO250VH Miniature Circuit Breakers (MCBs) QO 2P 50A 120V 50/60Hz 1Ph 1 Phase​ ARCA SKU: C15-2171 Brand: Square D MPN: QO250VH UPC: 785901054962 Shipping Weight: 0.70 Shipping...- SKU:
- C15-2171
- Series:
- QO
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- Approval:
- UL
- Approval:
- CSA
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14970_1_2_DATA.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_03068_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Mexico
MSRP $146.00Surplus $120.40 -
Square D QO350VH Miniature Circuit Breakers (MCBs) QO 3P 50A 240V 50/60Hz 3Ph
MSRP $371.00Surplus $249.20Square D QO350VH Miniature Circuit Breakers (MCBs) QO 3P 50A 240V 50/60Hz 3Ph​ ARCA SKU: C15-2190 Brand: Square D MPN: QO350VH UPC: 785901060215 Shipping Weight: 1.03 Shipping Height: 2.30...- SKU:
- C15-2190
- Series:
- QO
- Type:
- Bi-Metallic
- Type:
- Thermal
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Amps:
- 32 A
- Used On:
- QO Load Center
- Used On:
- NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 22 kA
- Enclosure:
- IP20
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- Eaton_41012_1-6_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Current Rating:
- 50 A
- Country of Origin:
- Ireland
MSRP $371.00Surplus $249.20 -
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Square D QOB350VH1021 Molded Case Breakers (MCCBs)
MSRP $1,084.00Surplus $292.68SKU: C15-17897 Brand: Square D MPN: QOB350VH1021 UPC: 78590109025 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17897
- Series:
- QOB
- Installation/Operator:
- SchneiderElectric_00595_INST.pdf
- Catalog:
- SchneiderElectric-Telemecanique_00033_1_15_9_21_CAT.pdf
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Current Rating:
- 50 A
- Data Sheet:
- SchneiderElectric_11165_1_2_DATA.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Installation:
- Bolt-On
- Used On:
- NQ Panelboard
- Approval:
- UL, CSA
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Panelboard Circuit Breaker with 120/208/240 VAC Shunt Trip Package
- Type:
- Miniature
MSRP $1,084.00Surplus $292.68 -
Contact Us For Quote
Square D QOH250 Molded Case Breakers (MCCBs)
MSRP $182.00Surplus $49.14SKU: C15-17908 Brand: Square D MPN: QOH250 UPC: 78590133554 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17908
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_53684_1_2_DATA.pdf
- Approval:
- UL, CSA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Mounting:
- Plug-On
- Interrupting Rating:
- 42 kA
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Series:
- QO
- Terminal Type:
- Box Lug
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 42 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Type:
- Common Trip, Miniature, Standard
MSRP $182.00Surplus $49.14 -
Contact Us For Quote
Square D QOU250VH Molded Case Breakers (MCCBs)
MSRP $201.00Surplus $54.27SKU: C15-17959 Brand: Square D MPN: QOU250VH UPC: 78590149558 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17959
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Series:
- QOU
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Approval:
- UL, CSA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Interrupting Rating:
- 22 kA
- Number of Poles:
- 2
- Mounting:
- DIN Rail/Unit/Surface/Flush
- Type:
- Miniature, Standard
- Current Rating:
- 50 A
- Data Sheet:
- SchneiderElectric_21598_1_2_DATA.pdf
- Short Description:
- 120/240 VAC, 50 A, 22 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load, Standard, Miniature Circuit Breaker
- Used On:
- OEM
MSRP $201.00Surplus $54.27
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.
