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 QO250GFI Miniature Circuit Breakers (MCBs)
MSRP $413.00Surplus $167.47SKU: C15-6644 Brand: Square D MPN: QO250GFI UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6644
- TS PIK:
- 42800411
- Current Rating:
- 50 A
- Prop 65 Warning:
- Yes
- Number of Poles:
- 2
- Mounting:
- Plug-On
- Series:
- QO-GFI
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Box Lug Terminal, 6 mA Class A Ground Fault, Pigtail, Miniature Circuit Breaker
- Type:
- Miniature, Thermal Magnetic, Common Trip
- Installation/Operator:
- SchneiderElectric-SquareD_00198_INST.pdf
- Used On:
- QO Loadcenter, NQ Panelboard, NQ OEM Interior/Speed-D Switchboard Distribution Panel
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 4.12 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_14985_1_2_DATA.pdf
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Catalog:
- SchneiderElectric-SquareD_03264_1_5_1_45_1_47_CAT.pdf
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Voltage Rating:
- 120/240 VAC
- Trip Sensitivity:
- 6 MilliA
- Approval:
- UL, CSA
MSRP $413.00Surplus $167.47 -
Contact Us For Quote
Square D QO250H Molded Case Breakers (MCCBs)
MSRP $312.00Surplus $84.24SKU: C15-17783 Brand: Square D MPN: QO250H UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17783
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_CAT.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- CAD Drawings:
- SchneiderElectric-SquareD_05484_1_CAD.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 50 A, 10 kA Interrupt, 2-Pole, Plug-On Mount, 2-Panel Space, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_14986_1_2_DATA.pdf
- Mounting:
- Plug-On
- Type:
- Common Trip, Thermal Magnetic
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Size:
- 1.5 Inch W x 2.91 Inch D x 3 Inch H
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Approval:
- UL, CSA
- Installation/Operator:
- SchneiderElectric-SquareD_00194_INST.pdf
- Terminal Type:
- Box Lug
- Series:
- QO-H
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Interrupting Rating:
- 10 kA at 240 VAC, 5 kA at 48 VDC
MSRP $312.00Surplus $84.24 -
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 QO3501021 Molded Case Breakers (MCCBs)
MSRP $495.00Surplus $345.80SKU: U00-8581 Brand: Square D MPN: QO3501021 UPC: 78590149415 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8581
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Data Sheet:
- SchneiderElectric-SquareD_15063_1_2_DATA.pdf
- Current Rating:
- 50 A
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Terminal Type:
- Box Lug
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Type:
- Common Trip, Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Number of Poles:
- 3
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
MSRP $495.00Surplus $345.80 -
Contact Us For Quote
Square D QO350EPD Molded Case Breakers (MCCBs)
MSRP $871.00Surplus $235.17SKU: C15-18857 Brand: Square D MPN: QO350EPD UPC: 78590195712 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18857
- Installation/Operator:
- SchneiderElectric-Telemecanique_00370_INST.pdf
- Approval:
- UL, CSA
- Terminal Type:
- Box Lug
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Type:
- Miniature, Ground Fault Protecting Class B
- Data Sheet:
- SchneiderElectric-SquareD_53604_1_2_DATA.pdf
- Wire Size:
- 12 to 4 AWG (Aluminum), 14 to 6 AWG (Copper)
- Mounting:
- Plug-On
- Series:
- QO
- Short Description:
- 240 VAC 50/60 Hz, 50 A, 10 kA Interrupt, 3-Pole, 12 to 4 AWG Aluminum, 14 to 6 AWG Copper, Plug-On Mount, Box Lug Terminal, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Used On:
- Load Center
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_6_CAT.pdf
MSRP $871.00Surplus $235.17 -
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 -
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
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.
