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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Siemens BQD270 Miniature Circuit Breakers (MCBs)
MSRP $1,862.26Surplus $107.87SKU: C15-7404 Brand: Siemens MPN: BQD270 UPC: 78364327730 Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-7404
- TS PIK:
- 115495143
- Interrupting Rating:
- 14 kA at 480 Star/277 VAC/125/250 VDC (UL)
- Number of Poles:
- 2
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Data Sheet:
- SiemensAG_05431_1_DATA.pdf
- Current Rating:
- 70 A
- Catalog:
- SiemensAG_00565_11_16_CAT.pdf
- Installation/Operator:
- SiemensAG_00221_INST.pdf
- Short Description:
- 480 VAC Star/277 VAC, 70 A, 14 kA, 2-Pole, Low-Tab Mount, Molded Case, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Series:
- BQD
- Type:
- Branch, Molded Case, Thermal and Fixed Magnetic
- Voltage Rating:
- 480 Star/277 VAC at 50/60 Hz, 125/250 VDC (UL)
- Country of Origin:
- Mexico
MSRP $1,862.26Surplus $107.87 -
Siemens ED42B070 Molded Case Breakers (MCCBs)
MSRP $2,917.27Surplus $599.29SKU: C15-7424 Brand: Siemens MPN: ED42B070 UPC: 78364320930 Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7424
- TS PIK:
- 106248964
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 70 A, 18 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Type:
- Thermal Magnetic
- Size:
- 2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Frame Type:
- ED
- Current Rating:
- 70 A
- Series:
- ED4
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 18 kA at 480 VAC (UL 489), 30 kA at 250 VDC (UL 489)
- Voltage Rating:
- 480 VAC, 250 VDC
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Terminal Type:
- Load Lug
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $2,917.27Surplus $599.29 -
Siemens Q270 Miniature Circuit Breakers (MCBs) QP 2P 70A 240V
MSRP $435.62Surplus $24.91Siemens Q270 Miniature Circuit Breakers (MCBs) QP 2P 70A 240V​ ARCA SKU: C15-3778 Brand: Siemens MPN: Q270 UPC: Shipping Weight: 0.60 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3778
- Approval:
- UL 489
- Amps:
- 70 A
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Poles:
- 2
- Size:
- 3 Inch Width x 3 Inch Depth x 2 Inch Height
- Terminal Type:
- Low Vage
- Type:
- Common Trip
- Type:
- Thermal Magnetic
- Type:
- Miniature
- Used On:
- Load Center
- Volts:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 70 A, 10 kA Interrupt, 2-Pole, Plug-In Mount, QP-Frame, Low Voltage, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Specification/Technical:
- SiemensAG_57268_1_2_SPEC.pdf
- Number of Poles:
- 2
- Catalog:
- SiemensAG_23945_7_20_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
MSRP $435.62Surplus $24.91 -
Siemens Q27000S01 Miniature Circuit Breakers (MCBs)
MSRP $671.12Surplus $254.35SKU: C15-10555 Brand: Siemens MPN: Q27000S01 UPC: 78364323758 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10555
- TS PIK:
- 115559534
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Voltage Rating:
- 120/240 VAC at 50/60 Hz
- Current Rating:
- 70 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Terminal Type:
- Load Lug
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QP Frame, 120 VAC Shunt Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Mounting:
- Plug-On
- Size:
- 2 Inch W x 3 Inch D x 3-1/8 Inch H
- Used On:
- Loadcenter
- Interrupting Rating:
- 10 kA
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07043_1_DATA.pdf
- Number of Poles:
- 2
- Country of Origin:
- Mexico
MSRP $671.12Surplus $254.35 -
Square D BDA260701 Molded Case Breakers (MCCBs)
MSRP $1,332.71Surplus $670.39SKU: C15-10627 Brand: Square D MPN: BDA260701 UPC: 60648115224 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10627
- TS PIK:
- 127013667
- Type:
- Thermal Magnetic
- Voltage Rating:
- 600 Star/347 VAC 50/60 Hertz, 250 VDC
- Interrupting Rating:
- 14 kA at 600 Star/347 VAC, 10 kA at 250 VDC
- CAD Drawings:
- SchneiderElectric-SquareD_73443_1_CAD.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_31_7_32_CAT.pdf
- Frame Type:
- B
- Maximum DC Voltage Rating:
- 250 V
- Data Sheet:
- SchneiderElectric-SquareD_34815_1-4_DATA.pdf
- Maximum AC Voltage Rating:
- 347 V
- Series:
- BD
- Short Description:
- 600 Star/347 VAC 50/60 Hz, 250 VDC, 70 A, 14 kA, 2-Pole, B-Frame, AB Phase, I-Line Connection Line Lug Load Terminal, Thermal Magnetic, Molded Case Circuit Breaker
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- I-Line Connection Line Lug Load
- Size:
- 2.13 Inch Width x 3.5 Inch Depth x 5.39 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_01071_INST.pdf
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
- Approval:
- UL, CSA, CE
MSRP $1,332.71Surplus $670.39 -
Square D BDA260702 Molded Case Breakers (MCCBs)
MSRP $1,225.17Surplus $646.73SKU: C15-10628 Brand: Square D MPN: BDA260702 UPC: 60648115225 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10628
- TS PIK:
- 127013668
- Series:
- BD
- Number of Poles:
- 2
- Terminal Type:
- I-Line Connection Line Lug Load
- Maximum AC Voltage Rating:
- 347 V
- Voltage Rating:
- 600 Star/347 VAC 50/60 Hertz, 250 VDC
- Size:
- 2.13 Inch Width x 3.5 Inch Depth x 5.39 Inch Height
- Frame Type:
- B
- Type:
- Thermal Magnetic
- Maximum DC Voltage Rating:
- 250 V
- Catalog:
- SchneiderElectric-SquareD_32357_7_31_7_32_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_34816_1-4_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01071_INST.pdf
- Short Description:
- 600 Star/347 VAC 50/60 Hz, 250 VDC, 70 A, 14 kA, 2-Pole, B-Frame, AC Phase, I-Line Connection Line Lug Load Terminal, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 70 A
- Interrupting Rating:
- 14 kA at 600 Star/347 VAC, 10 kA at 250 VDC
- CAD Drawings:
- SchneiderElectric-SquareD_73444_1_CAD.pdf
- Country of Origin:
- United States
- Prop 65 Warning:
- Yes
- Approval:
- UL, CSA, CE
MSRP $1,225.17Surplus $646.73 -
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Square D QO270 Miniature Circuit Breakers (MCBs) QO 2P 70A 240V 50/60Hz 1Ph EA
MSRP $197.01Surplus $97.77Square D QO270 Miniature Circuit Breakers (MCBs) QO 2P 70A 240V 50/60Hz 1Ph EA​ ARCA SKU: C15-3708 Brand: Square D MPN: QO270 UPC: 78590140058 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-3708
- Series:
- QO
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- 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
- Volts:
- 48 VDC
- 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:
- 5/10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 5/10 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_53541_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 597390
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
MSRP $197.01Surplus $97.77 -
Square D QO270VH Miniature Circuit Breakers (MCBs)
MSRP $304.93Surplus $192.96SKU: C15-10898 Brand: Square D MPN: QO270VH UPC: 78590105498 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10898
- TS PIK:
- 111081463
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Series:
- QO
- Data Sheet:
- SchneiderElectric-SquareD_53542_1_2_DATA.pdf
- Mounting:
- Plug-On
- Type:
- Common Trip, Miniature, Standard
- Interrupting Rating:
- 22 kA
- Current Rating:
- 70 A
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Terminal Type:
- Box Lug
- Number of Poles:
- 2
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 22 kA Interrupt, 2-Pole, 8 to 2 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Size:
- 1.5 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
MSRP $304.93Surplus $192.96 -
Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $246.99Surplus $95.96Square D QOB270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6395 Brand: Square D MPN: QOB270 UPC: 78590141704 Shipping Weight: 0.60 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6395
- TS PIK:
- 124024938
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA, 2-Pole, Q-Frame, Bolt-On Mount, Box Lug Terminal, Miniature, Standard, Panelboard Circuit Breaker
- Type:
- Miniature, Standard
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Interrupting Rating:
- 10 kA at 120/240 VAC, 5 kA at 48 VDC
- Series:
- QOB
- Used On:
- NQ Panelboard
- Catalog:
- SchneiderElectric-SquareD_32357_9_16_CAT.pdf
- Data Sheet:
- SchneiderElectric_21348_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02166_INST.pdf
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $246.99Surplus $95.96 -
Square D QOU270 Miniature Circuit Breakers (MCBs)
MSRP $251.40Surplus $120.22SKU: C15-6674 Brand: Square D MPN: QOU270 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6674
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
- Current Rating:
- 70 A
- Terminal Type:
- Slotted Box Lug Line/Load
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.45 Inch Height
- Type:
- Miniature, Standard
- Number of Poles:
- 2
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric_21615_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Used On:
- OEM
- Mounting:
- DIN Rail/Unit/Surface/Flush
- CAD Drawings:
- SchneiderElectric_30266_1_CAD.pdf
- Series:
- QOU
- TS PIK:
- 21355736
MSRP $251.40Surplus $120.22
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