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 QOB350VH Miniature Circuit Breakers (MCBs)
MSRP $475.20Surplus $183.54SKU: C15-8614 Brand: Square D MPN: QOB350VH UPC: 78590105482 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping Length: 3.25 In. Shipping Width: 1.40 In...- SKU:
- C15-8614
- TS PIK:
- 21331646
- Type:
- Miniature, Standard
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Series:
- QOB-VH
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric_21401_1_2_DATA.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Used On:
- NQ Panelboard
MSRP $475.20Surplus $183.54 -
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Square D QOB360VH1021 Miniature Circuit Breakers (MCBs)
MSRP $629.00Surplus $329.93SKU: C15-6602 Brand: Square D MPN: QOB360VH1021 UPC: 78590133549 Shipping Weight: 1.25 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00...- SKU:
- C15-6602
- TS PIK:
- 109594883
MSRP $629.00Surplus $329.93 -
Square D QOB380 Miniature Circuit Breakers (MCBs)
MSRP $452.52Surplus $111.37Square D QOB380 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6603 Brand: Square D MPN: QOB380 UPC: 78590101973 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6603
- TS PIK:
- 122681579
- Series:
- QOB
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21406_1_2_DATA.pdf
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 80 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Current Rating:
- 80 A
- Type:
- Miniature, Standard
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $452.52Surplus $111.37 -
Square D QOB3801021 Miniature Circuit Breakers (MCBs)
MSRP $593.30Surplus $326.71SKU: C15-11911 Brand: Square D MPN: QOB3801021 UPC: 78590103104 Shipping Weight: 1.35 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In...- SKU:
- C15-11911
- TS PIK:
- 111080620
MSRP $593.30Surplus $326.71 -
Square D QOB380VH Miniature Circuit Breakers (MCBs)
MSRP $679.32Surplus $243.39Square D QOB380VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6476 Brand: Square D MPN: QOB380VH UPC: 78590105485 Shipping Weight: 1.15 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6476
- TS PIK:
- 126673415
- Voltage Rating:
- 120/240 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Number of Poles:
- 3
- Series:
- QOB-VH
- Data Sheet:
- SchneiderElectric_21407_1_2_DATA.pdf
- Type:
- Miniature, Standard
- Current Rating:
- 80 A
- Used On:
- NQ Panelboard
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 80 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Country of Origin:
- Mexico
MSRP $679.32Surplus $243.39 -
Square D QOB390 Miniature Circuit Breakers (MCBs)
MSRP $452.52Surplus $134.65Square D QOB390 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6478 Brand: Square D MPN: QOB390 UPC: 78590101972 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6478
- TS PIK:
- 126673416
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 90 A, 10 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Data Sheet:
- SchneiderElectric_21408_1_2_DATA.pdf
- Number of Poles:
- 3
- 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-SquareD_32357_9_16_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Used On:
- NQ Panelboard
- Series:
- QOB
- Current Rating:
- 90 A
- Country of Origin:
- Mexico
MSRP $452.52Surplus $134.65 -
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Square D QOB390VH Miniature Circuit Breakers (MCBs)
MSRP $550.25Surplus $263.43Square D QOB390VH Miniature Circuit Breakers (MCBs)​ ARCA SKU: E30-10234 Brand: Square D MPN: QOB390VH UPC: 78590105486 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- E30-10234
- TS PIK:
- 111081453
- Current Rating:
- 90 A
- Type:
- Miniature, Standard
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Number of Poles:
- 3
- Series:
- QOB-VH
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 90 A, 22 kA, 3-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric_21409_1_2_DATA.pdf
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02167_INST.pdf
- Interrupting Rating:
- 22 kA at 120/240 VAC
MSRP $550.25Surplus $263.43 -
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Square D QOCGK2C Miniature Circuit Breakers (MCBs) QO 2P 225A 120V 50/60Hz 1Ph
MSRP $105.00Surplus $39.91Square D QOCGK2C Miniature Circuit Breakers (MCBs) QO 2P 225A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2170 Brand: Square D MPN: QOCGK2C UPC: 785901489009 Shipping Weight: 1.99 Shipping Height: 8...- SKU:
- C15-2170
- Series:
- QO
- Type:
- Interlock Kit
- Used On:
- QOM2 2- Pole Main Circuit Breaker
- Short Description:
- 150 to 225 A, 2-Pole
- Catalog:
- SchneiderElectric-SquareD_03264_1_14_1_27_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15274_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00892_INST.pdf
- Prop 65 Warning:
- Yes
MSRP $105.00Surplus $39.91 -
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Square D QOGFI1PAF Circuit Breaker Accessories Handle Padlock Attachment 1P 120V
MSRP $51.00Surplus $45.50Square D QOGFI1PAF Circuit Breaker Accessories Handle Padlock Attachment 1P 120V​ ARCA SKU: C15-2199 Brand: Square D MPN: QOGFI1PAF UPC: 785901658603 Shipping Weight: 3.65 Shipping...- SKU:
- C15-2199
- Type:
- Padlockable
- Used On:
- QO-GFI/QO-AFI/QO-CAFI/QO-EPD Series Circuit Breaker
- Poles:
- 1
- Locking Provision:
- Off
- Short Description:
- Off Position, Fixed
- Catalog:
- SchneiderElectric-SquareD_03264_1_8_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15277_1_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00899_INST.pdf
MSRP $51.00Surplus $45.50 -
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Square D QOHPL Circuit Breaker Accessories EA
MSRP $9.50Surplus $3.42Square D QOHPL Circuit Breaker Accessories EA​ ARCA SKU: C15-6561 Brand: Square D MPN: QOHPL UPC: 785901763475 Shipping Weight: 0.05 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6561
MSRP $9.50Surplus $3.42 -
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Square D QOHT3 Circuit Breaker Accessories Handle Tie Kit
MSRP $18.00Surplus $8.28Square D QOHT3 Circuit Breaker Accessories Handle Tie Kit​ ARCA SKU: C15-4737 Brand: Square D MPN: QOHT3 UPC: 785901983644 Shipping Weight: 0.05 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-4737
- Type:
- Handle Tie Kit
- Used On:
- Three 10 to 30 A 1-Pole QO/B Circuit Breaker
- Short Description:
- Handle Tie Kit for (3) 10 to 30 A 1-Pole QO/B Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_15288_1_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00134_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_03283_9_21_CAT.pdf
MSRP $18.00Surplus $8.28 -
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Square D QOM100VH Miniature Circuit Breakers (MCBs) QOM 2P 100A 120V 50/60Hz 1Ph
MSRP $201.00Surplus $68.20Square D QOM100VH Miniature Circuit Breakers (MCBs) QOM 2P 100A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2182 Brand: Square D MPN: QOM100VH UPC: 785901004035 Shipping Weight: 1.28 Shipping...- SKU:
- C15-2182
- Series:
- QOM
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 5 Inch Width x 3.47 Inch Depth x 5.09 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- QO Load Center
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 to 2/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA Interrupt, 2-Pole, Bolt-On Mount
- Catalog:
- SchneiderElectric-SquareD_03264_1_10_1_22_1_24_1_39_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53489_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Number of Poles:
- 2
- Current Rating:
- 100 A
- Voltage Rating:
- 240 VAC
MSRP $201.00Surplus $68.20 -
Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA
MSRP $242.00Surplus $69.15Square D QOM100VH8106 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9374 Brand: Square D MPN: QOM100VH8106 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-9374
- TS PIK:
- 122966518
- Data Sheet:
- SchneiderElectric-SquareD_05139_1_2_DATA.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 100 A, 22 kA, 2-Pole, 12 to 2/0 AWG Aluminum/Copper, Bolt-On Mount, Miniature Circuit Breaker
- Wire Size:
- 12 to 2/0 AWG (Aluminum/Copper)
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 100 A
- CAD Drawings:
- SchneiderElectric-SquareD_05485_1_CAD.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 1
- Country of Origin:
- Mexico
MSRP $242.00Surplus $69.15 -
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Square D QOM2100VH Miniature Circuit Breakers (MCBs) EA
MSRP $468.00Surplus $221.61Square D QOM2100VH Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-6669 Brand: Square D MPN: QOM2100VH UPC: 78590102195 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-6669
- TS PIK:
- 111080322
MSRP $468.00Surplus $221.61 -
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Square D QOM2125VH Miniature Circuit Breakers (MCBs) QOM 2P 125A 120V 50/60Hz 1Ph
MSRP $468.00Surplus $165.74Square D QOM2125VH Miniature Circuit Breakers (MCBs) QOM 2P 125A 120V 50/60Hz 1Ph​ ARCA SKU: C15-2220 Brand: Square D MPN: QOM2125VH UPC: 785901021971 Shipping Weight: 2.57 Shipping...- SKU:
- C15-2220
- Series:
- QOM
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Approval:
- IEC
- Size:
- 5.07 Inch Width x 3.6 Inch Depth x 5.6 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- QO Load Center
- Poles:
- 2
- Mounting:
- Bolt-On
- Interrupting Rating:
- 22 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 125 A, 22 kA Interrupt, 2-Pole, Bolt-On Mount, Lug Terminal
- Catalog:
- SchneiderElectric-SquareD_03264_1_10_1_23_1_24_1_35-1_37_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53504_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric-SquareD_17868_1_CAD.pdf
- Current Rating:
- 125 A
- Voltage Rating:
- 240 VAC
MSRP $468.00Surplus $165.74 -
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Square D QOM2200MM Main Breakers
MSRP $436.80Surplus $341.45SKU: U00-8598 Brand: Square D MPN: QOM2200MM UPC: 78590176522 Shipping Weight: 2.70 lbs. Shipping Height: 5.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- U00-8598
- TS PIK:
- 115543029
- Approval:
- UL, CSA
- Wire Size:
- 4 AWG to 300 KCMIL (Copper/Aluminum)
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC 50/60 Hz, 200 A, 10 kA, 2-Pole, Lug Terminal, Bolt-On Mount, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Current Rating:
- 200 A
- Used On:
- QO Load Center, Metering Equipment
- Voltage Rating:
- 120/240 VAC
- Series:
- QOM
- Type:
- Main
- Terminal Type:
- Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00344_INST.pdf
- Mounting:
- Bolt-On
MSRP $436.80Surplus $341.45 -
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Square D QOMB3 Circuit Breaker Accessories EA
MSRP $87.00Surplus $35.60Square D QOMB3 Circuit Breaker Accessories EA​ ARCA SKU: C15-10971 Brand: Square D MPN: QOMB3 UPC: 78590102983 Shipping Weight: 0.25 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-10971
- TS PIK:
- 111080578
MSRP $87.00Surplus $35.60 -
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Square D QON403L60N Circuit Breaker Accessories EA
MSRP $43.23Surplus $32.18Square D QON403L60N Circuit Breaker Accessories EA​ ARCA SKU: C15-4928 Brand: Square D MPN: QON403L60N UPC: 785901107439 Shipping Weight: 0.70 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-4928
- Type:
- Mounting Base
- Amps:
- 32 A
- Used On:
- QO/QO-GFI/QO-AFI/QO-EPD Series Circuit Breaker
- Poles:
- 3
- Mounting:
- Plug-On
- Number of Breakers:
- 3
- Short Description:
- 4.2" x 1.35", 240 VAC 3-Phase, 60 A, Plug-On Mount, 3-Pole, 3-Space
- Catalog:
- SchneiderElectric-SquareD_03280_7_17_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_15326_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00004_INST.pdf
- CAD Drawing:
- SchneiderElectric-SquareD_05487_1_CAD.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_05487_1_CAD.pdf
MSRP $43.23Surplus $32.18 -
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Square D QOPLPS Circuit Breaker Accessories
MSRP $204.00Surplus $106.88Square D QOPLPS Circuit Breaker Accessories​ ARCA SKU: C15-6697 Brand: Square D MPN: QOPLPS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0...- SKU:
- C15-6697
MSRP $204.00Surplus $106.88 -
Square D QOT1520 Miniature Circuit Breakers (MCBs)
MSRP $53.37Surplus $24.58Square D QOT1520 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6479 Brand: Square D MPN: QOT1520 UPC: 78590141804 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6479
- TS PIK:
- 111088438
- Short Description:
- 120/240 VAC 50/60 Hz, 15/20 A, 10 kA Interrupt, 1-Pole, 12 to 8 AWG Aluminum, 14 to 8 AWG Copper, Plug-In Mount, Pressure Plate Terminal, Tandem, Miniature Circuit Breaker
- Series:
- QO
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.23 Inch Height
- Current Rating:
- 15/20 A
- Type:
- Tandem, Miniature
- Terminal Type:
- Pressure Plate
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Mounting:
- Plug-On
- Number of Poles:
- 1
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01290_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53729_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_4_CAT.pdf
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Used On:
- QO Load Center
- Country of Origin:
- Mexico
MSRP $53.37Surplus $24.58
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.
