
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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Eaton FAZ-D5/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 5A 120/240V 50/60Hz 3Ph EA
MSRP $556.39Surplus $125.04Eaton FAZ-D5/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 5A 120/240V 50/60Hz 3Ph EA​ ARCA SKU: C15-5057 Brand: Eaton MPN: FAZ-D5/3-RT UPC: 4015081021796 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-5057
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 2.09 Inch Width x 3.15 Inch Height
- Volts:
- 277/480 VAC at 50/60 Hertz
- Volts:
- 96 VDC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 kA at 96 Volt DC (UL
- Terminal Type:
- Screw
- Trip Setting:
- 10 to 20 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 5 A, 3-Pole, 10/14 kA, 10 to 20 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_56901_1-5_DATA.pdf
- Current Rating:
- 5 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 3
- Curve Type:
- D
MSRP $556.39Surplus $125.04 -
Eaton FAZ-D6/3-NA Din Rail Mounted Circuit Breakers 3P 6A 480V EA
MSRP $466.92Surplus $46.73Eaton FAZ-D6/3-NA Din Rail Mounted Circuit Breakers 3P 6A 480V EA​ ARCA SKU: C15-4059 Brand: Eaton MPN: FAZ-D6/3-NA UPC: 4015081021406 Shipping Weight: 0.85 lbs. Shipping Height: 3...- SKU:
- C15-4059
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 10 to 20 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 6 A, 3-Pole, 10/14 kA, 10 to 20 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_54216_1-5_DATA.pdf
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 6 A
- Number of Poles:
- 3
- Curve Type:
- D
- Country of Origin:
- Germany
MSRP $466.92Surplus $46.73 -
Eaton FAZ-D6/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 6A 277V 50/60Hz 3Ph
MSRP $520.00Surplus $42.16Eaton FAZ-D6/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 6A 277V 50/60Hz 3Ph​ ARCA SKU: C15-4085 Brand: Eaton MPN: FAZ-D6/3-RT UPC: 015081021806 Shipping Weight: 0.85 Shipping Height: 3...- SKU:
- C15-4085
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 2.09 Inch Width x 3.15 Inch Height
- Volts:
- 277/480 VAC at 50/60 Hertz
- Volts:
- 96 VDC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 kA at 96 Volt DC (UL
- Terminal Type:
- Screw
- Trip Setting:
- 10 to 20 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 6 A, 3-Pole, 10/14 kA, 10 to 20 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_56902_1-5_DATA.pdf
- Number of Poles:
- 3
- Current Rating:
- 6 A
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- D
- Country of Origin:
- Germany
MSRP $520.00Surplus $42.16 -
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Eaton FAZ-D8/3-NA Miniature Circuit Breakers (MCBs) FAZ 3P 8A 277V 50/60Hz 3Ph
MSRP $675.00Surplus $57.08Eaton FAZ-D8/3-NA Miniature Circuit Breakers (MCBs) FAZ 3P 8A 277V 50/60Hz 3Ph​ ARCA SKU: C15-3304 Brand: Eaton MPN: FAZ-D8/3-NA UPC: 015081021424 Shipping Weight: 0.90 Shipping Height: 5...- SKU:
- C15-3304
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 2.09 Inch Width x 3.15 Inch Height
- Volts:
- 277/480 VAC at 50/60 Hertz
- Volts:
- 96 VDC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 kA at 96 Volt DC (UL
- Terminal Type:
- Screw
- Trip Setting:
- 10 to 20 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 8 A, 3-Pole, 10/14 kA, 10 to 20 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_56904_1-5_DATA.pdf
- Current Rating:
- 8 A
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- D
- Country of Origin:
- Spain
MSRP $675.00Surplus $57.08 -
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Eaton FAZ-Z10/3 Din Rail Mounted Circuit Breakers
MSRP $436.05Surplus $156.98Eaton FAZ-Z10/3 Din Rail Mounted Circuit Breakers​ ARCA SKU: C15-5175 Brand: Eaton MPN: FAZ-Z10/3 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-5175
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Current Rating:
- 10 A
- Number of Poles:
- 3
- Size:
- 0.69 Inch Length
- Interrupting Rating:
- 5 kA at 480 Star/277 VAC, 5 kA at 96 VDC (UL, CSA)
- Terminal Type:
- Screw
- Series:
- FAZ
- Type:
- Current Limiting, Thermal Magnetic
- Mounting:
- DIN Rail
- Voltage Rating:
- 480 VAC Star/277 VAC, 96 VDC (UL/CSA)
- Data Sheet:
- Eaton_56908_1-9_DATA.pdf
- Trip Setting:
- 2 to 3 x Rated Current
- Approval:
- UL 1077, CSA C22.2, CCC
- Short Description:
- 277/480 VAC 50/60 Hz, 10 A, 3-Pole, 10 kA, 2 to 3 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, Z-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
MSRP $436.05Surplus $156.98 -
Eaton FAZ-Z20/3 Miniature Circuit Breakers (MCBs) FAZ 3P 20A 277V 50/60Hz 3Ph
MSRP $460.00Surplus $81.10Eaton FAZ-Z20/3 Miniature Circuit Breakers (MCBs) FAZ 3P 20A 277V 50/60Hz 3Ph​ ARCA SKU: C15-2694 Brand: Eaton MPN: FAZ-Z20/3 UPC: 015082789286 Shipping Weight: 0.75 lbs. Shipping...- SKU:
- C15-2694
- TS PIK:
- 124503387
- Number of Poles:
- 3
- Mounting:
- DIN Rail
- Terminal Type:
- Screw
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 20 A
- Interrupting Rating:
- 10 kA
- Type:
- Thermal Magnetic
- Data Sheet:
- Eaton_54402_1-9_DATA.pdf
- Wire Size:
- 18 to 4/18 to 8 AWG
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Short Description:
- 277/480 VAC 50/60 Hz, 20 A, 3-Pole, 10 kA, 2 to 3 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, Z-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
- Series:
- FAZ
- Curve Type:
- Z
- Approval:
- UL 1077, UL (Canada and US), CSA C22.2, CE
- Country of Origin:
- Germany
- Trip Setting:
- 2 to 3 x Rated Current
MSRP $460.00Surplus $81.10 -
Eaton FAZ-Z32/3 Din Rail Mounted Circuit Breakers EA
MSRP $436.05Surplus $39.41Eaton FAZ-Z32/3 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5176 Brand: Eaton MPN: FAZ-Z32/3 UPC: Shipping Weight: 0.85 Shipping Height: 3.00 In. Shipping Length: 3.00...- SKU:
- C15-5176
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- UL (Canada and US)
- Approval:
- CSA C22.2
- Approval:
- CE
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 2 to 3 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 32 A, 3-Pole, 10 kA, 2 to 3 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, Z-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_54414_1-9_DATA.pdf
- Current Rating:
- 32 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 3
- Curve Type:
- Z
- Country of Origin:
- Germany
MSRP $436.05Surplus $39.41 -
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Eaton PLSM-C10/3-MW Miniature Circuit Breakers (MCBs) 10A 50/60Hz EA
MSRP $2,501.00Surplus $18.30SKU: C15-5059 Brand: Eaton MPN: PLSM-C10/3-MW UPC: 01508242470 Shipping Weight: 0.75 lbs. Shipping Height: 3.00 In. Shipping Length: 4.00 In. Shipping Width: 3.00 In...- SKU:
- C15-5059
- Series:
- PLSM
- Type:
- Common Trip
- Approval:
- UL 1077
- Volts:
- 400 VAC at 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Short Description:
- 230/400 VAC 50/60 Hz, 10 A, 3-Pole, 10 kA, IP20, Din Rail Mount, C-Trip
- Catalog:
- Eaton_46615_116_CAT.pdf
- Data Sheet:
- Eaton_54739_1_2_DATA.pdf
- Installation/Operator:
- Eaton_00479_INST.pdf
- Current Rating:
- 10 A
- Voltage Rating:
- 400 VAC
- Number of Poles:
- 3
- Country of Origin:
- Mexico
MSRP $2,501.00Surplus $18.30 -
GENERAL ELECTRIC THQC32015WL Din Rail Mounted Circuit Breakers 3P 15A 240V
MSRP $370.99Surplus $24.22GENERAL ELECTRIC THQC32015WL Din Rail Mounted Circuit Breakers 3P 15A 240V​ ARCA SKU: C15-5923 Brand: GENERAL ELECTRIC MPN: THQC32015WL UPC: 78316401268 Shipping Weight: 2.60 lbs. Shipping...- SKU:
- C15-5923
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Number of Poles:
- 3
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Terminal Type:
- Lug
- Current Rating:
- 15 A
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Maximum AC Voltage Rating:
- 240 V
- Frame Type:
- Q-Line
MSRP $370.99Surplus $24.22 -
GENERAL ELECTRIC THQC32020WL Din Rail Mounted Circuit Breakers 3P 20A 240V
MSRP $393.25Surplus $22.79GENERAL ELECTRIC THQC32020WL Din Rail Mounted Circuit Breakers 3P 20A 240V​ ARCA SKU: C15-3501 Brand: GENERAL ELECTRIC MPN: THQC32020WL UPC: 78316401270 Shipping Weight: 1.35 lbs. Shipping...- SKU:
- C15-3501
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 240 VAC, 20 A, 10 kA Interrupt, 3-Pole, 14 to 8 AWG Copper/12 to 8 AWG Aluminum Line/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
- CAD Drawing:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- TS PIK:
- 112124801
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 20 A
- Number of Poles:
- 3
- Mounting:
- DIN Rail
- Country of Origin:
- United States
MSRP $393.25Surplus $22.79 -
GENERAL ELECTRIC THQC32030WL Din Rail Mounted Circuit Breakers 3P 30A 240V
MSRP $370.99Surplus $31.32GENERAL ELECTRIC THQC32030WL Din Rail Mounted Circuit Breakers 3P 30A 240V​ ARCA SKU: C15-5924 Brand: GENERAL ELECTRIC MPN: THQC32030WL UPC: 78316401272 Shipping Weight: 1.25 lbs. Shipping...- SKU:
- C15-5924
- Short Description:
- 120/240 VAC, 30 A, 3-Pole, 10 kA, 14 to 8 AWG/12 to 8 AWG Copper/Aluminum, DIN Rail Mount, Line and Load Lug Terminal, Thermal Magnetic, Non-Interchangeable, Molded Case Circuit Breaker
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Current Rating:
- 30 A
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01912_6_40_CAT.pdf
- Voltage Rating:
- 120/240 VAC
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_04206_1_CAD.pdf
- Number of Poles:
- 3
- Type:
- Thermal Magnetic
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $370.99Surplus $31.32 -
Siemens CQD3100 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $84.43SKU: C15-7414 Brand: Siemens MPN: CQD3100 UPC: 78364327785 Shipping Weight: 2.10 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 4.00 In...- SKU:
- C15-7414
- Type:
- Thermal Magnetic
- Series:
- CQD
- Voltage Rating:
- 277/480 VAC
- Mounting:
- DIN Rail
- Short Description:
- 480 VAC Star/277 VAC, 100 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Current Rating:
- 100 A
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Terminal Type:
- Lug
- Size:
- 3 Inch Width x 2.88 Inch Depth x 4.9 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Number of Poles:
- 3
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Approval:
- UL
- Country of Origin:
- Mexico
MSRP $1,603.00Surplus $84.43 -
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Siemens CQD380 Din Rail Mounted Circuit Breakers
MSRP $1,603.00Surplus $276.64SKU: C15-7415 Brand: Siemens MPN: CQD380 UPC: 78364327783 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7415
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 Star/277 VAC (UL)
- Current Rating:
- 80 A
- Type:
- Thermal Magnetic
- Wire Size:
- 8 to 1 AWG (Copper), 6 to 1/0 AWG (Aluminum)
- Mounting:
- DIN Rail
- Number of Poles:
- 3
- Terminal Type:
- Lug
- Voltage Rating:
- 277/480 VAC
- Size:
- 3 Inch W x 2.88 Inch D x 4.9 Inch H
- Catalog:
- SiemensAG_01698_17_1_17_11_CAT.pdf
- Series:
- CQD
- Short Description:
- 480 VAC Star/277 VAC, 80 A, 14 kA, 3-Pole, 8 to 1 AWG Copper/6 to 1/0 AWG Aluminum, Load Lug Terminal, DIN Rail Mount, CQD Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Approval:
- UL
MSRP $1,603.00Surplus $276.64 -
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Square D QOU330 Miniature Circuit Breakers (MCBs) QOU 3P 30A 240V 50/60Hz 3Ph EA
MSRP $340.00Surplus $152.95SKU: C15-4930 Brand: Square D MPN: QOU330 UPC: 78590141892 Shipping Weight: 1.15 lbs. Shipping Height: 4.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-4930
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 2.25 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Volts:
- 120/240 VAC 50/60 Hertz
- Volts:
- 48 VDC
- Amps:
- 32 A
- Used On:
- OEM
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Slotted Box Lug Line/Load
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 3-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Data Sheet:
- SchneiderElectric_21666_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- CAD Drawing:
- SchneiderElectric_30265_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Current Rating:
- 30 A
- Number of Poles:
- 3
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC 50/60 Hertz, 48 VDC
MSRP $340.00Surplus $152.95
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