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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THQB1130 Miniature Circuit Breakers (MCBs) THQB 1P 30A 240V
MSRP $60.00Surplus $11.20THQB1130 Miniature Circuit Breakers (MCBs) THQB 1P 30A 240V​ ARCA SKU: C15-3997 Brand: MPN: THQB1130 UPC: 783164012194 Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-3997
- 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:
- Bolt-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 30 A, 10 kA, 1-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
- TS PIK:
- 127049622
- Current Rating:
- 30 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
MSRP $60.00Surplus $11.20 -
THQL1115DF Miniature Circuit Breakers (MCBs) THQL 1P 15A 240V
MSRP $300.00Surplus $71.96THQL1115DF 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
- Country of Origin:
- United States
MSRP $300.00Surplus $71.96 -
THQL1120AF2 Miniature Circuit Breakers (MCBs) THQL 1P 20A 120V 50/60Hz
MSRP $285.36Surplus $55.23THQL1120AF2 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
- Country of Origin:
- United States
MSRP $285.36Surplus $55.23 -
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 V
- 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
- Country of Origin:
- United States
MSRP $60.77Surplus $93.10 -
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
- Country of Origin:
- United States
MSRP $650.00Surplus $57.00 -
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THQL1120GFT Miniature Circuit Breakers (MCBs) 1P 20A 120V
MSRP $309.40Surplus $78.47THQL1120GFT 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 V
- 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 $78.47 -
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THQL1125 Miniature Circuit Breakers (MCBs) 1P 25A 120V
MSRP $16.30Surplus $9.58THQL1125 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 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- 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
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Current Rating:
- 25 A
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
MSRP $16.30Surplus $9.58 -
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THQL1140 Miniature Circuit Breakers (MCBs) THQL 1P 40A 240V
MSRP $53.82Surplus $10.91THQL1140 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 VAC
- Terminal Type:
- Plug-On
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- 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
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 1
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01789_1_CAD.pdf
MSRP $53.82Surplus $10.91 -
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THQL1150 Miniature Circuit Breakers (MCBs) THQL 1P 50A 240V
MSRP $53.82Surplus $11.48THQL1150 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 $11.48 -
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THQL1170 Miniature Circuit Breakers (MCBs) THQL 1P 70A 240V
MSRP $123.00Surplus $31.92THQL1170 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 $123.00Surplus $31.92 -
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Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)
MSRP $109.00Surplus $30.59Westinghouse BAB1050 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-11420 Brand: Westinghouse MPN: BAB1050 UPC: Shipping Weight: 0.30 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-11420
- Type:
- Thermal Magnetic
- Series:
- BAB
- Mounting:
- Bolt-On
- Short Description:
- 120/240 VAC, 50 A, 10 kA, 1-Pole, Extended Tang Line/Box Lug Load Terminal, Bolt-On Mount, Thermal Magnetic, Miniature, Circuit Breaker
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Wire Size:
- 14 to 4 AWG Aluminum/Copper (Load)
- Current Rating:
- 50 A
- Interrupting Rating:
- 10000 A at 120/240 VAC, 5000 A at 24 to 48 VDC, 3800 A at 62.5 VDC
- Terminal Type:
- Extended Tang Line Terminal, Box Lug Load Terminal
- Catalog:
- Eaton_03771_V4T1_11_V4T1_12_V4T1_46_CAT.pdf
MSRP $109.00Surplus $30.59
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