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
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- Qty in Cart
- Price
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Murray MP315 Miniature Circuit Breakers (MCBs) 3P 15A 50/60Hz 3Ph EA
MSRP $486.90Surplus $52.32Murray MP315 Miniature Circuit Breakers (MCBs) 3P 15A 50/60Hz 3Ph EA​ ARCA SKU: C15-8545 Brand: Murray MPN: MP315 UPC: 40892237658 Shipping Weight: 2.10 lbs. Shipping Height: 4.00 In...- SKU:
- C15-8545
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Series:
- MP-T
- Data Sheet:
- SiemensAG_06645_1_DATA.pdf
- Size:
- 3 Inch W x 3 Inch D x 3 1/8 Inch H
- Wire Size:
- 16 to 14 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Current Rating:
- 15 A
- Voltage Rating:
- 240 VAC
- Mounting:
- Plug-On
- Type:
- Common Trip
- Country of Origin:
- Mexico
MSRP $486.90Surplus $52.32 -
Eaton BR315 Miniature Circuit Breakers (MCBs) 3P 15A 240V EA
MSRP $337.57Surplus $59.62Eaton BR315 Miniature Circuit Breakers (MCBs) 3P 15A 240V EA​ ARCA SKU: C15-1252 Brand: Eaton MPN: BR315 UPC: 78667636770 Shipping Weight: 0.95 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1252
- Series:
- BR
- Type:
- Common Trip
- Type:
- Quadplex
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- TS PIK:
- 21493894
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 15 A
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $59.62 -
Square D QO315 Miniature Circuit Breakers (MCBs) 3P 15A 240V
MSRP $260.00Surplus $102.41Square D QO315 Miniature Circuit Breakers (MCBs) 3P 15A 240V​ ARCA SKU: C15-3748 Brand: Square D MPN: QO315 UPC: 78590140064 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3748
- Series:
- QO
- Type:
- Common Trip
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 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:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 5/10 kA
- Terminal Type:
- Pressure Plate
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 15 A, 5/10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-In Mount, Pressure Plate Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53563_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 597393
- Number of Poles:
- 3
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
- Country of Origin:
- Mexico
MSRP $260.00Surplus $102.41 -
Crouse-Hinds BR315 Miniature Circuit Breakers (MCBs) BR 3P 15A 50/60Hz 3Ph EA
MSRP $337.57Surplus $99.31Crouse-Hinds BR315 Miniature Circuit Breakers (MCBs) BR 3P 15A 50/60Hz 3Ph EA​ ARCA SKU: C15-5437 Brand: Crouse-Hinds MPN: BR315 UPC: 78667636770 Shipping Weight: 0.95 lbs. Shipping...- SKU:
- C15-5437
- TS PIK:
- 21493894
- Type:
- Common Trip
- Mounting:
- Plug-On
- Voltage Rating:
- 240 VAC
- Series:
- BR
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Current Rating:
- 15 A
- Interrupting Rating:
- 10 kA
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Used On:
- BR Series Load Center
- Wire Size:
- 14 to 4 AWG (Copper/Aluminum)
- Country of Origin:
- Dominican Republic
MSRP $337.57Surplus $99.31 -
Eaton CH315 Miniature Circuit Breakers (MCBs)
MSRP $376.54Surplus $72.71Eaton CH315 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1570 Brand: Eaton MPN: CH315 UPC: 78211310199 Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1570
- Series:
- CH
- Type:
- Full Vage
- Type:
- Non-Reversing
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Loadcenter
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10000 A at 240 VAC
- Enclosure:
- IP00
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- Data Sheet:
- Eaton_56019_1-14_DATA.pdf
- Installation/Operator:
- Eaton_00653_INST.pdf
- CAD Drawing:
- Eaton_21606_1_CAD.pdf
- TS PIK:
- 531273
- Current Rating:
- 15 A
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Country of Origin:
- United States
MSRP $376.54Surplus $72.71 -
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Eaton CHP315 Miniature Circuit Breakers (MCBs)
MSRP $1,012.00Surplus $273.24SKU: C15-19381 Brand: Eaton MPN: CHP315 UPC: 78211392383 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19381
- Series:
- CHP
- Short Description:
- 240 VAC, 15 A, 3-Pole, 10 kA, Thermal Magnetic, Circuit Breaker
- Interrupting Rating:
- 10 kA at 240 VAC
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Voltage Rating:
- 240 VAC
- Current Rating:
- 15 A
- Used On:
- CH Series Loadcenter
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Catalog:
- Eaton_00001_V1T1_41_CAT.pdf
- Terminal Type:
- Line Lug
- Approval:
- UL 489
MSRP $1,012.00Surplus $273.24 -
Eaton HQP3015H Miniature Circuit Breakers (MCBs) EA
MSRP $542.59Surplus $41.40Eaton HQP3015H Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-5272 Brand: Eaton MPN: HQP3015H UPC: 78667934450 Shipping Weight: 0.95 lbs. Shipping Height: 5.00 In. Shipping...- SKU:
- C15-5272
- Approval:
- UL 489
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 10000 A at 240 VAC
- Mounting:
- Plug-On
- Poles:
- 3
- Size:
- 3.2 Inch Width x 3.8 Inch Depth x 4.9 Inch Height
- Terminal Type:
- Steel Box Lug Standard Load
- Type:
- Fixed Thermal Magnetic
- Type:
- Non-Interchangeable Trip
- Type:
- Miniature
- Volts:
- 240 VAC 60 Hertz
- Gauge:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Number of Poles:
- 3
- Catalog:
- Eaton_03771_V4T1_2_V4T1_5_V4T1_6_V4T1_46_CAT.pdf
- Voltage Rating:
- 240 VAC 60 Hertz
- Current Rating:
- 15 A
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Short Description:
- QUICkLAG INDUSTRIAL CIRCUIT BREAkER, 15A, THREE-POLE, 240V, 10 kAIC, THERMAL-MAG
- Country of Origin:
- Dominican Republic
MSRP $542.59Surplus $41.40 -
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Siemens Q315 Miniature Circuit Breakers (MCBs) 3P 15A
MSRP $127.36Surplus $53.20Siemens Q315 Miniature Circuit Breakers (MCBs) 3P 15A​ ARCA SKU: C15-6276 Brand: Siemens MPN: Q315 UPC: 66286200429 Shipping Weight: 0.90 lbs. Shipping Height: 4.00 In. Shipping...- SKU:
- C15-6276
- TS PIK:
- 115704615
- Used On:
- Load Centre Main, Feeder
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, 14 to 6 AWG Copper/Aluminum, Load Lug Terminal, Plug-In Mount, QP Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Data Sheet:
- SiemensAG_07055_1_DATA.pdf
- Type:
- Thermal Magnetic, Common Trip
- Interrupting Rating:
- 10 kA
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Size:
- 4 Inch Width x 12.8 Inch Depth x 3.4 Inch Height
- Voltage Rating:
- 240 V
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Mounting:
- Plug-On
- Country of Origin:
- MEX
- Approval:
- UL 489
MSRP $127.36Surplus $53.20 -
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Siemens Q31500S01 Molded Case Breakers (MCCBs)
MSRP $240.61Surplus $64.96SKU: C15-19054 Brand: Siemens MPN: Q31500S01 UPC: 78364308871 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19054
- Used On:
- Loadcenter
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Data Sheet:
- SiemensAG_07056_1_DATA.pdf
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Country of Origin:
- MEX
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Approval:
- UL 489, CSA C22.2
- Interrupting Rating:
- 10 kA
- Short Description:
- 240 VAC, 15 A, 10 kA, 3-Pole, 14 to 6 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
- Current Rating:
- 15 A
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Size:
- 3 Inch W x 3 Inch D x 3-1/8 Inch H
- Terminal Type:
- Load Lug
- Number of Poles:
- 3
MSRP $240.61Surplus $64.96 -
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Siemens Q315H Miniature Circuit Breakers (MCBs)
MSRP $538.00Surplus $165.86SKU: C15-10561 Brand: Siemens MPN: Q315H UPC: 78364315641 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10561
- TS PIK:
- 115559540
- Type:
- Low Vage, Circuit Protector, Thermal and Fixed Magnetic, Common Trip
- Mounting:
- Plug-On
- Wire Size:
- 14 to 6 AWG (Copper/Aluminum)
- Number of Poles:
- 3
- Size:
- 3 Inch Width x 3 Inch Depth x 3 Inch Height
- Terminal Type:
- Load Lug
- Current Rating:
- 15 A
- Catalog:
- SiemensAG_01796_7_6_7_20_7_26_7_27_CAT.pdf
- Used On:
- Load Center
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Data Sheet:
- SiemensAG_10320_1_2_DATA.pdf
- Voltage Rating:
- 240 VAC 50/60 Hertz
- Interrupting Rating:
- 22 kA
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Short Description:
- BREAKER 15A 3P 240V 22K QPH
MSRP $538.00Surplus $165.86 -
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Square D QO3151021 Molded Case Breakers (MCCBs)
MSRP $626.00Surplus $169.02SKU: C15-17793 Brand: Square D MPN: QO3151021 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-17793
- Approval:
- UL, CSA
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Aluminum/Copper, Plug-On Mount, Pressure Plate Terminal, Standard, AC Shunt Trip, Miniature Circuit Breaker
- Terminal Type:
- Pressure Plate
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Number of Poles:
- 3
- Current Rating:
- 15 A
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 14 to 8 AWG (Aluminum/Copper), (2) 14 to 10 AWG (Copper)
- Data Sheet:
- SchneiderElectric-SquareD_15024_1_2_DATA.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_03058_1_CAD.pdf
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Interrupting Rating:
- 10 kA
- Type:
- Common Trip, Thermal Magnetic
- Mounting:
- Plug-On
MSRP $626.00Surplus $169.02 -
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Square D QO315GFI Molded Case Breakers (MCCBs)
MSRP $1,228.00Surplus $331.56SKU: C15-18855 Brand: Square D MPN: QO315GFI UPC: 78590165231 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18855
- Series:
- QO
- Number of Poles:
- 3
- Data Sheet:
- SchneiderElectric-SquareD_53564_1_2_DATA.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 4.13 Inch Height
- Terminal Type:
- Pressure Plate
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_5_CAT.pdf
- Current Rating:
- 15 A
- Used On:
- Load Center
- Mounting:
- Plug-On
- Approval:
- UL, CSA
- Type:
- Miniature, Pigtail, Ground Fault Protecting Class A
- Voltage Rating:
- 208/120 VAC 50/60 Hertz
- Interrupting Rating:
- 10 kA
- Short Description:
- 208/120 VAC 50/60 Hz, 15 A, 10 kA Interrupt, 3-Pole, 12 to 8 AWG Aluminum, 14 to 8 AWG Copper, Plug-On Mount, Pressure Plate Terminal, Pigtail, Miniature Circuit Breaker
- Wire Size:
- 12 to 8 AWG (Aluminum), 14 to 8 AWG (Copper)
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
MSRP $1,228.00Surplus $331.56 -
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Square D QO315VH Molded Case Breakers (MCCBs)
MSRP $694.00Surplus $187.38SKU: C15-17797 Brand: Square D MPN: QO315VH UPC: 78590137185 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17797
- Current Rating:
- 15 A
- Short Description:
- 120/240 VAC 50/60 Hz, 15 A, 22 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/Aluminum, Plug-On Mount, Pressure Plate Terminal, Standard, Miniature Circuit Breaker
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Type:
- Common Trip, Miniature, Standard
- Wire Size:
- 14 to 8 AWG (Copper/Aluminum)
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_53565_1_2_DATA.pdf
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 2.99 Inch Height
- Series:
- QO
- Approval:
- UL, CSA
- Terminal Type:
- Pressure Plate
MSRP $694.00Surplus $187.38
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