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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Square D QO370 Miniature Circuit Breakers (MCBs) 3P 70A 240V
MSRP $340.20Surplus $135.66Square D QO370 Miniature Circuit Breakers (MCBs) 3P 70A 240V​ ARCA SKU: C15-6590 Brand: Square D MPN: QO370 UPC: 78590100438 Shipping Weight: 1.05 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6590
- TS PIK:
- 109595132
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 10 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Series:
- QO
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Box Lug
- Number of Poles:
- 3
- Type:
- Common Trip, Miniature, Standard
- Current Rating:
- 70 A
- Interrupting Rating:
- 10 kA
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Data Sheet:
- SchneiderElectric-SquareD_53610_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Country of Origin:
- United States
- Approval:
- UL, CSA
MSRP $340.20Surplus $135.66 -
Eaton BR370 Miniature Circuit Breakers (MCBs) 1P 15A 240V EA
MSRP $596.20Surplus $41.91Eaton BR370 Miniature Circuit Breakers (MCBs) 1P 15A 240V EA​ ARCA SKU: C15-1266 Brand: Eaton MPN: BR370 UPC: 786676368001 Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In...- SKU:
- C15-1266
- Series:
- BR
- Type:
- Bi-Metallic
- Approval:
- UL 489
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- Type BR Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA at 240 VAC
- Enclosure:
- IP20
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Data Sheet:
- Eaton_41007_1-6_DATA.pdf
- TS PIK:
- 21493900
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $596.20Surplus $41.91 -
Eaton CH370 Miniature Circuit Breakers (MCBs) CH 3P 70A 240V 50/60Hz 3Ph EA
MSRP $485.56Surplus $252.70Eaton CH370 Miniature Circuit Breakers (MCBs) CH 3P 70A 240V 50/60Hz 3Ph EA​ ARCA SKU: C15-3279 Brand: Eaton MPN: CH370 UPC: 782113102139 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- C15-3279
- Series:
- CH
- Type:
- Thermal Magnetic
- Type:
- Common Trip
- Type:
- Branch
- Approval:
- UL 489
- Approval:
- CSA
- Volts:
- 240 VAC
- Amps:
- 32 A
- Used On:
- CH Series Load Center
- Poles:
- 3
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_36_V1T1_37_CAT.pdf
- TS PIK:
- 531280
- Voltage Rating:
- 240 VAC
- Number of Poles:
- 3
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $485.56Surplus $252.70 -
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Crouse-Hinds BR370 Miniature Circuit Breakers (MCBs)
MSRP $596.20Surplus $148.96Crouse-Hinds BR370 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-5670 Brand: Crouse-Hinds MPN: BR370 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5670
- TS PIK:
- 21493900
- Voltage Rating:
- 240 VAC
- Current Rating:
- 70 A
- Interrupting Rating:
- 10 kA at 240 VAC
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Series:
- BR
- Used On:
- Type BR Load Center
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Type:
- Common Trip
MSRP $596.20Surplus $148.96 -
Cutler-Hammer BR370 Miniature Circuit Breakers (MCBs)
MSRP $994.00Surplus $426.95SKU: C15-11451 Brand: Cutler-Hammer MPN: BR370 UPC: Shipping Weight: 1.00 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-11451
- TS PIK:
- 21493900
- Number of Poles:
- 3
- Wire Size:
- 4 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, Plug-On Mount, Common Trip, Circuit Breaker
- Used On:
- Type BR Load Center
- Voltage Rating:
- 240 VAC
- Type:
- Common Trip
- Series:
- BR
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Catalog:
- Eaton_36620_V1T1_85_CAT.pdf
- Size:
- 1.9 Inch Length x 2.9 Inch Width x 2.5 Inch Height
- Interrupting Rating:
- 10 kA at 240 VAC
- Approval:
- UL 489
- Country of Origin:
- Dominican Republic
MSRP $994.00Surplus $426.95 -
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Eaton CHP370 Miniature Circuit Breakers (MCBs)
MSRP $1,253.00Surplus $338.31SKU: C15-19388 Brand: Eaton MPN: CHP370 UPC: 78211489078 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19388
- Short Description:
- 240 VAC, 70 A, 3-Pole, 10 kA, Thermal Magnetic, Circuit Breaker
- Type:
- Thermal Magnetic
- Series:
- CHP
- Used On:
- CH Series Loadcenter
- Current Rating:
- 70 A
- Catalog:
- Eaton_00001_V1T1_41_CAT.pdf
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Interrupting Rating:
- 10 kA at 240 VAC
- Terminal Type:
- Line Lug
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Mounting:
- Plug-On
- Approval:
- UL 489
MSRP $1,253.00Surplus $338.31 -
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Siemens ED23B070 Molded Case Breakers (MCCBs)
MSRP $1,801.00Surplus $254.41SKU: C15-7419 Brand: Siemens MPN: ED23B070 UPC: 78364320905 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7419
- TS PIK:
- 21367344
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL)
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Interrupting Rating:
- 10 kA at 240 VAC (UL)
- Current Rating:
- 70 A
- Number of Poles:
- 3
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Series:
- ED2
- Terminal Type:
- Load Lug
- Type:
- Molded Case, Thermal and Fixed Magnetic
- Short Description:
- 240 VAC 50/60 Hz, 70 A at 40 Deg C, 10 kA, 3-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Size:
- 3 Inch W x 4.56 Inch D x 6.35 Inch H
- Wire Size:
- 10 to 1/0 AWG (Copper/Aluminum)
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Mounting:
- Plug-On
- Country of Origin:
- MEX
- Approval:
- UL 489, CSA C22.2
MSRP $1,801.00Surplus $254.41 -
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Siemens Q370 Miniature Circuit Breakers (MCBs) 3P 70A
Surplus $93.10Siemens Q370 Miniature Circuit Breakers (MCBs) 3P 70A​ ARCA SKU: C15-8489 Brand: Siemens MPN: Q370 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-8489
- TS PIK:
- 21332137
- Short Description:
- 240 VAC, 70 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, QP-Frame, Low Vage, Common Trip, Thermal Magnetic, Miniature, Circuit Breaker
- Size:
- 4 Inch Width x 13 Inch Depth x 3.4 Inch Height
- Number of Poles:
- 3
- Voltage Rating:
- 240 VAC
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Interrupting Rating:
- 10 kA
- Catalog:
- SiemensAG_23945_7_20_CAT.pdf
- Mounting:
- Plug-On
- Type:
- Low Vage, Common Trip, Thermal Magnetic, Miniature
- Current Rating:
- 70 A
- Used On:
- Load Center
- Country of Origin:
- Mexico
- Approval:
- UL 489
Surplus $93.10 -
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Siemens Q370H Molded Case Breakers (MCCBs)
MSRP $132.30Surplus $35.72SKU: C15-19055 Brand: Siemens MPN: Q370H UPC: 78364315647 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-19055
- Country of Origin:
- MEX
- 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
- Catalog:
- SiemensAG_00562_1_41_1_46_1_47_CAT.pdf
- Short Description:
- 240 VAC, 70 A, 22 kA, 3-Pole, 8 to 2/0 AWG Copper/Aluminum, Load Lug Terminal, Plug-On Mount, QPH Frame, Common Trip, Thermal Magnetic Trip Unit, Miniature Circuit Breaker for Load Center
- Data Sheet:
- SiemensAG_07073_1_DATA.pdf
- Number of Poles:
- 3
- Mounting:
- Plug-On
- Type:
- Thermal and Fixed Magnetic, Common Trip
- Interrupting Rating:
- 22 kA
- Current Rating:
- 70 A
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Approval:
- UL 489, CSA C22.2
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Used On:
- Loadcenter
MSRP $132.30Surplus $35.72 -
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Square D QO3701021 Molded Case Breakers (MCCBs)
MSRP $698.00Surplus $188.46SKU: C15-18860 Brand: Square D MPN: QO3701021 UPC: 78590103057 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18860
- Voltage Rating:
- 240 VAC at 50/60 Hz
- Size:
- 2.25 Inch W x 2.91 Inch D x 3 Inch H
- Catalog:
- SchneiderElectric-SquareD_03264_1_3_1_9_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 10 kA Interrupt, 3-Pole, Plug-On Mount, 4-Panel Space, Box Lug Terminal, AC Shunt Trip, Standard, Miniature Circuit Breaker
- Number of Poles:
- 3
- Type:
- Common Trip, Thermal Magnetic
- Terminal Type:
- Box Lug
- Interrupting Rating:
- 10 kA
- CAD Drawings:
- SchneiderElectric-SquareD_03059_1_CAD.pdf
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Approval:
- UL, CSA
- Data Sheet:
- SchneiderElectric-SquareD_15069_1_2_DATA.pdf
- Used On:
- QO Load Center, NQOD Panelboard, OEM Interior/Speed-D Switchboard Distribution Panel
- Mounting:
- Plug-On
- Current Rating:
- 70 A
MSRP $698.00Surplus $188.46 -
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Square D QO370VH Molded Case Breakers (MCCBs)
MSRP $896.00Surplus $241.92SKU: C15-17806 Brand: Square D MPN: QO370VH UPC: 78590106023 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-17806
- Current Rating:
- 70 A
- Voltage Rating:
- 120/240 VAC 50/60 Hertz
- Terminal Type:
- Box Lug
- Type:
- Common Trip, Miniature, Standard
- Number of Poles:
- 3
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Series:
- QO
- Interrupting Rating:
- 22 kA
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Short Description:
- 120/240 VAC 50/60 Hz, 70 A, 22 kA Interrupt, 3-Pole, 8 to 2 AWG Copper/Aluminum, Plug-On Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_01265_INST.pdf
- Size:
- 2.24 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_53611_1_2_DATA.pdf
- Approval:
- UL, CSA
MSRP $896.00Surplus $241.92
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