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
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GE THQC32070WL Din Rail Mounted Circuit Breakers
MSRP $228.70Surplus $152.08SKU: C15-10236 Brand: GE MPN: THQC32070WL UPC: 78316401280 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10236
- TS PIK:
- 112124811
- Number of Poles:
- 3
- Terminal Type:
- Lug
- Voltage Rating:
- 120/240 VAC
- Frame Type:
- Q-Line
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Current Rating:
- 70 A
- Type:
- Thermal Magnetic, Compact
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Approval:
- UL
- Maximum AC Voltage Rating:
- 240 V
MSRP $228.70Surplus $152.08 -
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GE THQL22070 Miniature Circuit Breakers (MCBs)
MSRP $95.29Surplus $25.73SKU: C15-14135 Brand: GE MPN: THQL22070 UPC: 78316405977 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14135
- Number of Poles:
- 2
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04200_1_CAD.pdf
- Maximum AC Voltage Rating:
- 240 V
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_1_7_6_29_6_31_CAT.pdf
- Type:
- Thermal Magnetic, Compact
- Approval:
- UL
- Short Description:
- 240 VAC, 70 A, 2-Pole, 10 kA, 6 to 1/0 AWG/4 to 1/0 AWG Copper/Aluminum, Plug-On Mount, Box Terminal, Thermal Magnetic, Non-Interchangeable, Molded Case Circuit Breaker
- Terminal Type:
- Plug-On
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Frame Type:
- Q-Line
MSRP $95.29Surplus $25.73 -
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GE THQL32070ST1 Miniature Circuit Breakers (MCBs)
MSRP $422.43Surplus $114.05SKU: C15-14156 Brand: GE MPN: THQL32070ST1 UPC: 78316407410 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-14156
- Approval:
- UL
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_10_CAT.pdf
- Series:
- THQL
- Number of Poles:
- 3
- Interrupting Rating:
- 10 kA
- Type:
- Molded Case, Fixed Thermal Magnetic, Internal Common Trip
- Current Rating:
- 70 A
- Used On:
- AL Series Panelboard
- Size:
- 3 Inch W x 2-3/8 Inch D x 3-9/32 Inch H
- Mounting:
- 1 Plug-On
- Wire Size:
- 6 to 1/0 AWG (Copper)/4 to 1/0 AWG (Aluminum)
- Voltage Rating:
- 120/240 VAC
- Terminal Type:
- Copper/Aluminum Load Lug, Plug-On
MSRP $422.43Surplus $114.05 -
GENERAL ELECTRIC THHQB2170 Miniature Circuit Breakers (MCBs)
MSRP $517.63Surplus $125.35GENERAL ELECTRIC THHQB2170 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4045 Brand: GENERAL ELECTRIC MPN: THHQB2170 UPC: 78316413506 Shipping Weight: 0.75 lbs. Shipping Height: 3...- SKU:
- C15-4045
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 22 kA at 120/240 VAC
- Terminal Type:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 70 A, 22 kA, 2-Pole, Q-Line Frame, Bolt-On Terminal, Thermal Magnetic, Compact
- TS PIK:
- 128629418
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Series:
- THHQ
- Country of Origin:
- United States
MSRP $517.63Surplus $125.35 -
Siemens B27000S01 Miniature Circuit Breakers (MCBs)
MSRP $952.91Surplus $356.10SKU: C15-10318 Brand: Siemens MPN: B27000S01 UPC: 78364326843 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10318
- TS PIK:
- 115555030
- Current Rating:
- 70 A
- Type:
- Molded Case
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Voltage Rating:
- 120/240 VAC
- Used On:
- Panelboard
- Installation/Operator:
- SiemensAG_00053_INST.pdf
- Catalog:
- SiemensAG_01829_5_21_10_16_CAT.pdf
- CAD Drawings:
- SiemensAG_10600_1_CAD.pdf
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_09777_1_2_DATA.pdf
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Installation:
- Bolt-On
- Application:
- Lighting, Distribution
- Short Description:
- BREAKER 70A 2P 120/240V 10K BL 120V SHNT
MSRP $952.91Surplus $356.10 -
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Siemens B270H Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $773.22Surplus $177.43Siemens B270H Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-6116 Brand: Siemens MPN: B270H UPC: 78364326395 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-6116
- TS PIK:
- 123916570
- Voltage Rating:
- 120/240 VAC
- Interrupting Rating:
- 22 kA
- Catalog:
- SiemensAG_00564_7_29_CAT.pdf
- Number of Poles:
- 2
- Data Sheet:
- SiemensAG_05223_1_DATA.pdf
- Installation/Operator:
- SiemensAG_00215_INST.pdf
- Type:
- Molded Case, Branch, Thermal Magnetic
- Used On:
- P1 Panelboard
- Current Rating:
- 70 A
- Short Description:
- 120/240 VAC, 70 A, 22 kA, 2-Pole, Bolt-On Mount, Molded Case, Common Trip, Thermal Magnetic Trip Unit, Branch, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL 489, CSA C22.2
- Application:
- Electrical Distribution
- Installation:
- Bolt-On
MSRP $773.22Surplus $177.43 -
Siemens BQ1B070 Miniature Circuit Breakers (MCBs) 70A 120V
MSRP $116.39Surplus $45.70Siemens BQ1B070 Miniature Circuit Breakers (MCBs) 70A 120V​ ARCA SKU: C15-6131 Brand: Siemens MPN: BQ1B070 UPC: 78364316118 Shipping Weight: 0.35 lbs. Shipping Height: 3.00 In...- SKU:
- C15-6131
- TS PIK:
- 124234486
- Catalog:
- SiemensAG_57191_7_4_7_5_7_8_7_38_7_39_7_156_CAT.pdf
- Short Description:
- 120/240 VAC, 70 A, 10 kA Interrupt, 1-Pole, BQ Frame, Load Lug Terminal, Low Vage, Circuit Protector, Molded Case, Non-Interchangeable Trip Circuit Breaker
- Number of Poles:
- 1
- Type:
- Molded Case, Low Vage, Circuit Protector
- Size:
- 1 Inch Width x 3 Inch Depth x 4 Inch Height
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Load Lug
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Country of Origin:
- Mexico
- Approval:
- UL 489
- Maximum AC Voltage Rating:
- 240 V
MSRP $116.39Surplus $45.70 -
Siemens BQ2B070 Miniature Circuit Breakers (MCBs) 2P 70A 120V
MSRP $505.04Surplus $111.03Siemens BQ2B070 Miniature Circuit Breakers (MCBs) 2P 70A 120V​ ARCA SKU: C15-2269 Brand: Siemens MPN: BQ2B070 UPC: 78364310246 Shipping Weight: 0.63 lbs. Shipping Height: 2.00 In...- SKU:
- C15-2269
- Series:
- BQ
- Type:
- Molded Case
- Type:
- Thermal and Fixed Magnetic
- Type:
- Common Trip
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 2 Inch W x 3 Inch D x 4 Inch H
- Volts:
- 120/240 VAC at 50/60 Hz (UL)
- Amps:
- 32 A
- Used On:
- P1/P2/P3/P4/P5 Panelboard
- Poles:
- 2
- Interrupting Rating:
- 10 kA at 120/240 VAC Symmetrical (UL)
- Terminal Type:
- Load Lug
- Wire Size:
- 8 to 4 AWG (Copper)
- Wire Size:
- 8 to 2 AWG (Aluminum)
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, Load Lug Terminal, BQ Frame, Bolt-On, Common Trip
- Catalog:
- SiemensAG_01698_17_1_17_7_CAT.pdf
- Data Sheet:
- SiemensAG_05380_1_DATA.pdf
- TS PIK:
- 21366182
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 70 A
- Number of Poles:
- 2
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $505.04Surplus $111.03 -
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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
- Approval:
- UL, CSA
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 $69.43Square 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 $69.43 -
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THQL1170 Miniature Circuit Breakers (MCBs) THQL 1P 70A 240V
MSRP $167.44Surplus $43.45THQL1170 Miniature Circuit Breakers (MCBs) THQL 1P 70A 240V​ ARCA SKU: C15-3913 Brand: MPN: THQL1170 UPC: 783164146271 Shipping Weight: 0.35 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3913
- Approval:
- UL
- Amps:
- 70 A
- Frame:
- Q-Line
- Interrupting Rating:
- 10 kA at 120/240 VAC
- Maximum AC Voltage:
- 240 V
- Poles:
- 1
- Terminal Type:
- Plug-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Volts:
- 120/240 VAC
- Short Description:
- 120/240 VAC, 70 A, 10 kA Interrupt, 1-Pole, (1) 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Feeder Molded Case Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_30_CAT.pdf
- Number of Poles:
- 1
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
- Current Rating:
- 70 A
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $167.44Surplus $43.45
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