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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THQC2150 Miniature Circuit Breakers (MCBs) 2P 50A 120V
MSRP $120.00Surplus $47.97THQC2150 Miniature Circuit Breakers (MCBs) 2P 50A 120V​ ARCA SKU: C15-3852 Brand: MPN: THQC2150 UPC: 783164150964 Shipping Weight: 0.80 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3852
- Type:
- Thermal Magnetic
- Type:
- Compact
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA at 120/240 Volt AC
- Terminal Type:
- Lug
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable/Internal Common Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
MSRP $120.00Surplus $47.97 -
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THQL1115AFP2 Miniature Circuit Breakers (MCBs) 1P 15A 120V 50/60Hz
MSRP $450.00Surplus $74.48THQL1115AFP2 Miniature Circuit Breakers (MCBs) 1P 15A 120V 50/60Hz​ ARCA SKU: C15-4250 Brand: MPN: THQL1115AFP2 UPC: Shipping Weight: 0.50 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-4250
- Application:
- Commercial/Residential
- Approval:
- UL 489/CUL 489
- Amps:
- 15 A
- Interrupting Rating:
- 10 Kiloamp
- Mounting:
- 1 Inch Plug-In
- Poles:
- 1
- Size:
- 1 Inch Width x 2-3/8 Inch Depth x 3-9/32 Inch Height
- Terminal Type:
- Box
- Type:
- Fixed Thermal Magnetic
- Used On:
- Load Center
- Volts:
- 120/240 VAC
- Gauge:
- 14 to 10 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC, 15 A, 1-Pole, 10 kA, 1" Plug-In Mount, Box Terminal, Fixed Thermal Magnetic, Arc Fault Circuit Breaker
- Series:
- THQL
MSRP $450.00Surplus $74.48 -
THQL1115DF Miniature Circuit Breakers (MCBs) THQL 1P 15A 240V
MSRP $300.00Surplus $112.58THQL1115DF Miniature Circuit Breakers (MCBs) THQL 1P 15A 240V​ ARCA SKU: C15-3928 Brand: MPN: THQL1115DF UPC: 888614814714 Shipping Weight: 0.35 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3928
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120 VAC
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120 VAC, 15 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable Trip, Fixed Thermal Magnetic, Dual Function, Ground/Arc Fault
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Current Rating:
- 15 A
MSRP $300.00Surplus $112.58 -
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THQL1115DFS Miniature Circuit Breakers (MCBs) 1P 15A 120V
MSRP $470.00Surplus $89.02THQL1115DFS Miniature Circuit Breakers (MCBs) 1P 15A 120V​ ARCA SKU: C15-4358 Brand: MPN: THQL1115DFS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-4358
MSRP $470.00Surplus $89.02 -
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THQL1115GFT Miniature Circuit Breakers (MCBs)
MSRP $309.40Surplus $101.79THQL1115GFT Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8971 Brand: MPN: THQL1115GFT UPC: 78316448529 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-8971
- TS PIK:
- 126205042
MSRP $309.40Surplus $101.79 -
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THQL1115GFTP Miniature Circuit Breakers (MCBs) THQL 1P 15A 240V
MSRP $383.00Surplus $74.74THQL1115GFTP Miniature Circuit Breakers (MCBs) THQL 1P 15A 240V​ ARCA SKU: C15-2593 Brand: MPN: THQL1115GFTP UPC: 783164485806 Shipping Weight: 0.50 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2593
- Volts:
- 240 V
- Amps:
- 15 A
- Poles:
- 1
- Short Description:
- THQL 1P 120V 15A GFCI SLFTST P
MSRP $383.00Surplus $74.74 -
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THQL1115GFTS Miniature Circuit Breakers (MCBs) 1P 15A 120V
MSRP $200.00Surplus $74.25THQL1115GFTS Miniature Circuit Breakers (MCBs) 1P 15A 120V​ ARCA SKU: C15-3361 Brand: MPN: THQL1115GFTS UPC: 783164618235 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-3361
MSRP $200.00Surplus $74.25 -
THQL1120AF2 Miniature Circuit Breakers (MCBs) THQL 1P 20A 120V 50/60Hz
MSRP $285.36Surplus $92.70THQL1120AF2 Miniature Circuit Breakers (MCBs) THQL 1P 20A 120V 50/60Hz​ ARCA SKU: C15-3578 Brand: MPN: THQL1120AF2 UPC: 783164652819 Shipping Weight: 0.45 Shipping Height: 4.00 In...- SKU:
- C15-3578
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- 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, 20 A, 10 kA, 1-Pole, 14 to 10 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Arc Fault
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00500_1_CAD.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00500_1_CAD.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
MSRP $285.36Surplus $92.70 -
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THQL1120AF2S Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $205.00Surplus $82.46THQL1120AF2S Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-2656 Brand: MPN: THQL1120AF2S UPC: 783164618242 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-2656
MSRP $205.00Surplus $82.46 -
THQL1120DF Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $60.77Surplus $93.10THQL1120DF Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3839 Brand: MPN: THQL1120DF UPC: 888614814721 Shipping Weight: 0.40 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3839
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 22 kA at 120 VAC
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Non-Interchangeable Trip, Fixed Thermal Magnetic, Dual Function, Ground/Arc Fault
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_31_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Number of Poles:
- 1
- Current Rating:
- 20 A
- Voltage Rating:
- 120/240 VAC
- Mounting:
- Plug-On
- Series:
- THQL
MSRP $60.77Surplus $93.10 -
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THQL1120DFS Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $470.00Surplus $102.36THQL1120DFS Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-4359 Brand: MPN: THQL1120DFS UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-4359
MSRP $470.00Surplus $102.36 -
THQL1120GFEP Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz
MSRP $650.00Surplus $57.00THQL1120GFEP Miniature Circuit Breakers (MCBs) 1P 20A 120V 50/60Hz​ ARCA SKU: C15-3431 Brand: MPN: THQL1120GFEP UPC: 783164321067 Shipping Weight: 0.45 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3431
- Volts:
- 120/240 V
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA
- Wire Size:
- 14 to 8 AWG Copper
- Wire Size:
- 12 to 8 AWG Aluminum
- Short Description:
- 120 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Fixed Thermal Magnetic, Equipment Protector, Ground Fault
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Mounting:
- Plug-On
MSRP $650.00Surplus $57.00 -
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THQL1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $309.40Surplus $73.15THQL1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3725 Brand: MPN: THQL1120GFT UPC: 783164485301 Shipping Weight: 0.45 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3725
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 20 A, 10 kA, 1-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Common Trip, Compact, Fixed Thermal Magnetic, Ground Fault, Self-Test
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_32_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- Current Rating:
- 20 A
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
MSRP $309.40Surplus $73.15 -
THQL1120GFTS Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $200.00Surplus $62.18THQL1120GFTS Miniature Circuit Breakers (MCBs) 1P 20A 120V​ ARCA SKU: C15-3233 Brand: MPN: THQL1120GFTS UPC: 783164618259 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-3233
MSRP $200.00Surplus $62.18 -
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THQL1120ST1 Miniature Circuit Breakers (MCBs) 1P 20A 120/240V
MSRP $189.00Surplus $105.07THQL1120ST1 Miniature Circuit Breakers (MCBs) 1P 20A 120/240V​ ARCA SKU: C15-2760 Brand: MPN: THQL1120ST1 UPC: 783164300680 Shipping Weight: 0.70 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-2760
- Type:
- Main Lug
- Amps:
- 32 A
- Interrupting Rating:
- 10 kA
- Enclosure:
- NEMA 3R
- Enclosure:
- Outdoor
- Enclosure:
- Rainproof
- Short Description:
- 120/240 VAC, 20 A, 10 kA Interrupt, 1-Pole, (1) 14 to 8 AWG Copper/12 to 8 AWG Aluminum Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_9_CAT.pdf
- Data Sheet:
- Eaton_40735_1_DATA.pdf
- Installation/Operator:
- Eaton_00231_INST.pdf
- Manufacturer Warranty:
- Eaton_00010_WARR.pdf
- Current Rating:
- 20 A
MSRP $189.00Surplus $105.07 -
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THQL1125 Miniature Circuit Breakers (MCBs) 1P 25A 120V
MSRP $16.30Surplus $7.69THQL1125 Miniature Circuit Breakers (MCBs) 1P 25A 120V​ ARCA SKU: C15-3286 Brand: MPN: THQL1125 UPC: 783164131628 Shipping Weight: 0.30 Shipping Height: 2.00 In. Shipping...- SKU:
- C15-3286
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120/240 Volt AC
- Terminal Type:
- Plug-In
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 25 A, 10 kA Interrupt, 1-Pole, (1) 14 to 8 AWG Copper/12 to 8 AWG Aluminum Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_30_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
MSRP $16.30Surplus $7.69 -
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THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 240V
MSRP $53.82Surplus $19.04THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 240V​ ARCA SKU: C15-3820 Brand: MPN: THQL1140 UPC: 783164012880 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-3820
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 1
- Interrupting Rating:
- 10 kA at 120/240 Volt AC
- Terminal Type:
- Plug-In
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 Volt
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, (1) 8 to 3 AWG Aluminum/Copper Load Lug Terminal, 1" Plug-In Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_1_7_CAT.pdf
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
MSRP $53.82Surplus $19.04 -
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THQL1150 Miniature Circuit Breakers (MCBs) THQL 1P 50A 240V
MSRP $53.82Surplus $7.87THQL1150 Miniature Circuit Breakers (MCBs) THQL 1P 50A 240V​ ARCA SKU: C15-2875 Brand: MPN: THQL1150 UPC: 783164012897 Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-2875
- Approval:
- UL
- Amps:
- 50 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, 50 A, 10 kA, 1-Pole, 8 to 3 AWG Copper/Aluminum, 1" Plug-In Mount, Box Terminal, Q-Line Frame, Molded Case, Compact, Fixed Thermal Magnetic, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Maximum AC Voltage Rating:
- 240 V
- Current Rating:
- 50 A
- Frame Type:
- Q-Line
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00015_6_8_6_30_CAT.pdf
- Installation/Operator:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00006_INST.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00499_1_CAD.pdf
- Number of Poles:
- 1
MSRP $53.82Surplus $7.87 -
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THQL1170 Miniature Circuit Breakers (MCBs) THQL 1P 70A 240V
MSRP $123.00Surplus $25.84THQL1170 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
MSRP $123.00Surplus $25.84 -
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THQL21100 Miniature Circuit Breakers (MCBs) THQL 2P 100A 120V
MSRP $275.00Surplus $45.03THQL21100 Miniature Circuit Breakers (MCBs) THQL 2P 100A 120V​ ARCA SKU: C15-3785 Brand: MPN: THQL21100 UPC: 783164099232 Shipping Weight: 0.60 Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3785
- 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 Volt
- Short Description:
- 120/240 VAC, 100 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_00501_1_CAD.pdf
MSRP $275.00Surplus $45.03
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