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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Contact Us For Quote
THQB115 Miniature Circuit Breakers (MCBs) THQB 1P 15A 120V
MSRP $28.00Surplus $13.01THQB115 Miniature Circuit Breakers (MCBs) THQB 1P 15A 120V​ ARCA SKU: C15-4346 Brand: MPN: THQB115 UPC: Shipping Weight: 0.30 Shipping Height: 4.00 In. Shipping Length: 4.00...- SKU:
- C15-4346
- Volts:
- 120 V
- Amps:
- 15 A
- Poles:
- 1
MSRP $28.00Surplus $13.01 -
Contact Us For Quote
THQB21100 Miniature Circuit Breakers (MCBs) THQB 2P 100A 120V 50/60Hz
MSRP $300.00Surplus $64.94THQB21100 Miniature Circuit Breakers (MCBs) THQB 2P 100A 120V 50/60Hz​ ARCA SKU: C15-2441 Brand: MPN: THQB21100 UPC: 783164135749 Shipping Weight: 0.75 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2441
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 100 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 100 A
MSRP $300.00Surplus $64.94 -
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THQB2115 CDP14A2P CDP14A2P Miniature Circuit Breakers (MCBs) 2P 15A
MSRP $190.00Surplus $49.41THQB2115 CDP14A2P CDP14A2P Miniature Circuit Breakers (MCBs) 2P 15A​ ARCA SKU: C15-4690 Brand: MPN: THQB2115 CDP14A2P CDP14A2P UPC: Shipping Weight: 0.65 lbs. Shipping Height: 2.00...- SKU:
- C15-4690
MSRP $190.00Surplus $49.41 -
THQB2115 Miniature Circuit Breakers (MCBs) THQB 2P 15A 240V
MSRP $190.00Surplus $53.20THQB2115 Miniature Circuit Breakers (MCBs) THQB 2P 15A 240V​ ARCA SKU: C15-3468 Brand: MPN: THQB2115 UPC: 783164012231 Shipping Weight: 0.65 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-3468
- 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:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 15 A, 10 kA, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 15 A
MSRP $190.00Surplus $53.20 -
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THQB2135 Miniature Circuit Breakers (MCBs) THQB 2P 35A 120V 50/60Hz
MSRP $126.75Surplus $44.79THQB2135 Miniature Circuit Breakers (MCBs) THQB 2P 35A 120V 50/60Hz​ ARCA SKU: C15-3490 Brand: MPN: THQB2135 UPC: 783164059847 Shipping Weight: 0.75 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3490
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 35 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_11_17_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Current Rating:
- 35 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
MSRP $126.75Surplus $44.79 -
THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 120/240V
MSRP $126.75Surplus $36.31THQB2140 Miniature Circuit Breakers (MCBs) THQB 2P 40A 120/240V​ ARCA SKU: C15-4046 Brand: MPN: THQB2140 UPC: 783164012262 Shipping Weight: 0.65 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4046
- Amps:
- 40 A
- Frame:
- 0
- Poles:
- 0
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 120/240 VAC, 40 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 40 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
MSRP $126.75Surplus $36.31 -
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THQB215 CDP14A2P CDP14A2P Miniature Circuit Breakers (MCBs)
MSRP $66.00Surplus $40.57THQB215 CDP14A2P CDP14A2P Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4688 Brand: MPN: THQB215 CDP14A2P CDP14A2P UPC: Shipping Weight: 0.65 lbs. Shipping Height: 3.00 In...- SKU:
- C15-4688
MSRP $66.00Surplus $40.57 -
THQB2150 Miniature Circuit Breakers (MCBs) THQB 2P 50A 120V
MSRP $126.75Surplus $36.31THQB2150 Miniature Circuit Breakers (MCBs) THQB 2P 50A 120V​ ARCA SKU: C15-3405 Brand: MPN: THQB2150 UPC: 783164012279 Shipping Weight: 0.65 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3405
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
MSRP $126.75Surplus $36.31 -
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THQB2160 Miniature Circuit Breakers (MCBs) THQB 2P 60A 120V
MSRP $135.00Surplus $28.72THQB2160 Miniature Circuit Breakers (MCBs) THQB 2P 60A 120V​ ARCA SKU: C15-3486 Brand: MPN: THQB2160 UPC: 783164012286 Shipping Weight: 0.75 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3486
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120/240 VAC, 60 A, 10 kA, 2-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
MSRP $135.00Surplus $28.72 -
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THQB2170 Miniature Circuit Breakers (MCBs) 2P 70A 120/240V
MSRP $225.88Surplus $65.39THQB2170 Miniature Circuit Breakers (MCBs) 2P 70A 120/240V​ ARCA SKU: C15-2764 Brand: MPN: THQB2170 UPC: 783164099188 Shipping Weight: 0.74 Shipping Height: 3.50 In. Shipping...- SKU:
- C15-2764
- Type:
- Thermal Magnetic, Compact
- Terminal Type:
- Bolt-On
- Current Rating:
- 70 A
- Short Description:
- 120/240 VAC, 70 A, 10 kA, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Specification/Technical:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00324_1_2_SPEC.pdf
MSRP $225.88Surplus $65.39 -
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THQB21WY15 Miniature Circuit Breakers (MCBs) 2P 15A 240V
MSRP $316.00Surplus $91.77THQB21WY15 Miniature Circuit Breakers (MCBs) 2P 15A 240V​ ARCA SKU: C15-2109 Brand: MPN: THQB21WY15 UPC: 783164103540 Shipping Weight: 22.50 Shipping Height: 7.13 In. Shipping...- SKU:
- C15-2109
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 120 VAC, 15 A, (1) Thermal Magnetic, (1) Non-Automatic, 10 kA, 1" Bolt-On Mount, Fixed Thermal Magnetic, Molded Case
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_1_6_6_5_6_8_6_37_CAT.pdf
- Specification/Technical:
- SignifyHolding-PhilipsLighting_00326_1_2_SPEC.pdf
- Data Sheet:
- SignifyHolding-PhilipsLighting_00592_1_DATA.pdf
- Manufacturer Warranty:
- SignifyHolding-PhilipsLighting_00003_WARR.pdf
- Type:
- Thermal Magnetic, Compact
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04202_1_CAD.pdf
- Current Rating:
- 15 A
MSRP $316.00Surplus $91.77 -
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THQB22030 Miniature Circuit Breakers (MCBs) 2P 30A 120V
MSRP $340.00Surplus $71.94THQB22030 Miniature Circuit Breakers (MCBs) 2P 30A 120V​ ARCA SKU: C15-3378 Brand: MPN: THQB22030 UPC: 783164012323 Shipping Weight: 0.75 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-3378
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 30 A, 10 kA Interrupt, 2-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_35_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
- Current Rating:
- 30 A
MSRP $340.00Surplus $71.94 -
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THQB22040 Miniature Circuit Breakers (MCBs) THQB 2P 40A 240V
MSRP $199.00Surplus $79.31THQB22040 Miniature Circuit Breakers (MCBs) THQB 2P 40A 240V​ ARCA SKU: C15-3782 Brand: MPN: THQB22040 UPC: 783164012330 Shipping Weight: 0.65 lbs. Shipping Height: 2.00 In...- SKU:
- C15-3782
- Amps:
- 40 A
- Frame:
- 0
- Interrupting Rating:
- 0
- Poles:
- 0
- Size:
- 0
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 40 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Miniature Molded Case Circuit Breaker
- Series:
- 0
MSRP $199.00Surplus $79.31 -
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THQB22080 Miniature Circuit Breakers (MCBs) 2P 80A 240V
MSRP $500.00Surplus $110.00THQB22080 Miniature Circuit Breakers (MCBs) 2P 80A 240V​ ARCA SKU: C15-3207 Brand: MPN: THQB22080 UPC: 783164059908 Shipping Weight: 0.75 Shipping Height: 4.00 In. Shipping...- SKU:
- C15-3207
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 80 A, 10 kA Interrupt, 2-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum Load Lug Terminal, 1" Bolt-On Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_35_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01786_1_CAD.pdf
MSRP $500.00Surplus $110.00 -
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THQB3100 Miniature Circuit Breakers (MCBs) THQB 3P 100A 240VAC 50/60Hz
MSRP $150.00Surplus $62.79THQB3100 Miniature Circuit Breakers (MCBs) THQB 3P 100A 240VAC 50/60Hz​ ARCA SKU: C15-4349 Brand: MPN: THQB3100 UPC: Shipping Weight: 1.10 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4349
MSRP $150.00Surplus $62.79 -
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THQB32015 Miniature Circuit Breakers (MCBs)
MSRP $393.25Surplus $121.78SKU: C15-8968 Brand: MPN: THQB32015 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8968
- TS PIK:
- 112124773
MSRP $393.25Surplus $121.78 -
THQB32040 Miniature Circuit Breakers (MCBs) THQB 3P 40A 240V
MSRP $393.25Surplus $138.23THQB32040 Miniature Circuit Breakers (MCBs) THQB 3P 40A 240V​ ARCA SKU: C15-2470 Brand: MPN: THQB32040 UPC: 783164012422 Shipping Weight: 1.15 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-2470
- Amps:
- 40 A
- Frame:
- 0
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 40 A, 10 kA, 3-Pole, 8 to 3 AWG Copper/Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Current Rating:
- 40 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQB
MSRP $393.25Surplus $138.23 -
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THQB32070 Miniature Circuit Breakers (MCBs)
MSRP $477.75Surplus $146.29SKU: C15-8969 Brand: MPN: THQB32070 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8969
- TS PIK:
- 112124779
MSRP $477.75Surplus $146.29 -
THQB32070 Miniature Circuit Breakers (MCBs) 3P 70A 120V
MSRP $510.00Surplus $97.97SKU: C15-3998 Brand: GENERAL ELECTRIC MPN: THQB32070 UPC: 78316401245 Shipping Weight: 1.05 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 3...- SKU:
- C15-3998
- Type:
- Thermal Magnetic
- Type:
- Compact
- Amps:
- 32 A
- Terminal Type:
- Bolt-On
- Short Description:
- 240 VAC, 70 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_35_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00005_INST.pdf
- Current Rating:
- 70 A
- Mounting:
- Bolt-On
- Number of Poles:
- 3
- Series:
- THQ
MSRP $510.00Surplus $97.97 -
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THQB32100 Miniature Circuit Breakers (MCBs) THQB 3P 100A 240V 50/60Hz
MSRP $450.00Surplus $108.68THQB32100 Miniature Circuit Breakers (MCBs) THQB 3P 100A 240V 50/60Hz​ ARCA SKU: C15-4171 Brand: MPN: THQB32100 UPC: 783164012477 Shipping Weight: 1.10 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-4171
- Amps:
- 100 A
- Frame:
- 0
- Interrupting Rating:
- 0
- Poles:
- 0
- Size:
- 0
- Terminal Type:
- Bolt-On
- Type:
- Thermal Magnetic
- Type:
- Compact
- Short Description:
- 240 VAC, 100 A, 10 kA, 3-Pole, 6 to 1/0 AWG Copper/4 to 1/0 AWG Aluminum, 1" Bolt-On Mount, Q-Line Frame, Molded Case, Non-Interchangeable/Common Trip, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Series:
- 0
MSRP $450.00Surplus $108.68
Disclaimer: ARCA Supply is not an authorized distributor, reseller or representative of any manufacturer, brand or product listed. All product names, trademarks, brands and logos are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder. All items sold by ARCA Supply are covered under ARCA Supply's warranty and not the manufacturer warranty.
