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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GENERAL ELECTRIC THQL2170 Miniature Circuit Breakers (MCBs)
MSRP $254.15Surplus $72.42GENERAL ELECTRIC THQL2170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3861 Brand: GENERAL ELECTRIC MPN: THQL2170 UPC: 78316409920 Shipping Weight: 0.65 lbs. Shipping Height: 3...- SKU:
- C15-3861
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00504_1_CAD.pdf
- TS PIK:
- 555975
- Current Rating:
- 70 A
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00504_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
MSRP $254.15Surplus $72.42 -
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Square D QO370 Miniature Circuit Breakers (MCBs) 3P 70A 240V
MSRP $463.11Surplus $184.67Square 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
MSRP $463.11Surplus $184.67 -
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Eaton BR170 Miniature Circuit Breakers (MCBs)
MSRP $132.05Surplus $47.07Eaton BR170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-1209 Brand: Eaton MPN: BR170 UPC: 786676362405 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-1209
- TS PIK:
- 117083226
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Series:
- BR
- Interrupting Rating:
- 10 kA
- Mounting:
- Plug-On
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 1-Pole, Plug-On Mount, Thermal Magnetic, Circuit Breaker
- Number of Poles:
- 1
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Used On:
- HVAC Application
- Country of Origin:
- Dominican Republic
MSRP $132.05Surplus $47.07 -
Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $401.86Surplus $66.79Murray MP270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6308 Brand: Murray MPN: MP270 UPC: 04089227980 Shipping Weight: 4.00 lbs. Shipping Height: 4.00 In...- SKU:
- C15-6308
- TS PIK:
- 120071984
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Common Trip
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 10 kA
- Data Sheet:
- SiemensAG_06636_1_DATA.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-In Mount, MP-T Frame, Thermal Magnetic Trip Unit, Miniature Circuit Breaker
- Used On:
- Loadcenter
- Size:
- 2 Inch W x 3 Inch D x 3 1/8 Inch H
- Series:
- MP-T
- Number of Poles:
- 2
- Current Rating:
- 70 A
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 2/0 AWG (Copper/Aluminum)
- Mounting:
- Plug-On
- Country of Origin:
- Mexico
MSRP $401.86Surplus $66.79 -
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Square D HOM270 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $167.44Surplus $86.91Square D HOM270 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-3403 Brand: Square D MPN: HOM270 UPC: 78590106534 Shipping Weight: 0.70 lbs. Shipping Height: 3.00 In...- SKU:
- C15-3403
- Type:
- Standard
- Type:
- Common Trip
- Approval:
- UL
- Size:
- 2 Inch Width x 2.98 Inch Depth x 3.13 Inch Height
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Box Lug
- Wire Size:
- 8 to 2 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 70 A, 10 kA Interrupt, 2-Pole, 8 to 2 AWG Aluminum/Copper, Plug-In Mount, Box Lug Terminal, Standard
- Catalog:
- SchneiderElectric_00257_1_19_1_39_7_22_7_23_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13462_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00099_INST.pdf
- TS PIK:
- 111081980
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
MSRP $167.44Surplus $86.91 -
Eaton BR270 Miniature Circuit Breakers (MCBs) 2P 70A 120V EA
MSRP $264.36Surplus $63.74Eaton BR270 Miniature Circuit Breakers (MCBs) 2P 70A 120V EA​ ARCA SKU: C15-1244 Brand: Eaton MPN: BR270 UPC: 78667636315 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-1244
- Series:
- BR
- Type:
- Common Trip
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Load Center
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 8 to 1/0 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- TS PIK:
- 21493862
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Dominican Republic
MSRP $264.36Surplus $63.74 -
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Eaton BR270ST Miniature Circuit Breakers (MCBs) BR 2P 70A 240V 50/60Hz 1Ph Shunt Trip
MSRP $925.68Surplus $325.90Eaton BR270ST Miniature Circuit Breakers (MCBs) BR 2P 70A 240V 50/60Hz 1Ph Shunt Trip​ ARCA SKU: C15-2747 Brand: Eaton MPN: BR270ST UPC: 786676000376 Shipping Weight: 1.00 Shipping...- SKU:
- C15-2747
- Series:
- BR
- Type:
- Thermal Magnetic
- Type:
- Independent Trip
- Type:
- Quadplex
- Approval:
- UL 489
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Used On:
- BR Series Loadcenter
- Poles:
- 2
- Mounting:
- Plug-On
- Interrupting Rating:
- 10 kA
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Plug-On Mount, Common Trip, Shunt Trip, Duplex, Thermal Magnetic
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
MSRP $925.68Surplus $325.90 -
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Eaton BRH270 Miniature Circuit Breakers (MCBs) BRH 2P 70A 120/240V 50/60Hz 1Ph
MSRP $496.87Surplus $194.31Eaton BRH270 Miniature Circuit Breakers (MCBs) BRH 2P 70A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1312 Brand: Eaton MPN: BRH270 UPC: 786676373807 Shipping Weight: 0.60 lbs. Shipping...- SKU:
- C15-1312
- Type:
- Thermal Magnetic, Common Trip
- Used On:
- Loadcenter
- Catalog:
- Eaton_36620_V1T1_84_CAT.pdf
- Short Description:
- 120/240 VAC, 70 A, 22 kA, 2-Pole, Plug-On Mount, Common Trip, Duplex, Thermal Magnetic, Circuit Breaker
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 22 kA
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Series:
- BR
- Wire Size:
- 8 to 1/0 AWG (Aluminum/Copper)
- Country of Origin:
- Dominican Republic
MSRP $496.87Surplus $194.31 -
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 -
Square D QO170 Miniature Circuit Breakers (MCBs)
MSRP $91.21Surplus $30.75Square D QO170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6531 Brand: Square D MPN: QO170 UPC: 78590147747 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-6531
- TS PIK:
- 109595036
- Number of Poles:
- 1
- Series:
- QO
- Type:
- Miniature, Standard
- Mounting:
- Plug-On
- Current Rating:
- 70 A
- Size:
- 0.75 Inch Width x 2.91 Inch Depth x 3.11 Inch Height
- Wire Size:
- 8 to 2 AWG (Copper/Aluminum)
- Voltage Rating:
- 120/240 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01259_INST.pdf
- Interrupting Rating:
- 5/10 kA
- Used On:
- QO Load Center, NQ/NQOD Panelboard/OEM Interior/Speed-D Switchboard Distribution Panel
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 70 A, 5/10 kA Interrupt, 1-Pole, 8 to 2 AWG Copper/Aluminum, Plug-In Mount, Box Lug Terminal, Standard, Miniature Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_53445_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_1_2_1_3_CAT.pdf
- Terminal Type:
- Box Lug
- Country of Origin:
- Mexico
MSRP $91.21Surplus $30.75 -
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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
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