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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Contact Us For Quote
Eaton FAZ-B40/1-NA Din Rail Mounted Circuit Breakers EA
MSRP $163.53Surplus $43.76Eaton FAZ-B40/1-NA Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-9393 Brand: Eaton MPN: FAZ-B40/1-NA UPC: 1508129641 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-9393
- TS PIK:
- 124610183
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Number of Poles:
- 1
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 40 A
- Interrupting Rating:
- 10 kA
- Mounting:
- DIN Rail
- Wire Size:
- 18 to 4/18 to 8 AWG
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_53720_1-3_DATA.pdf
- Series:
- FAZ
- Type:
- Thermal Magnetic
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 3 to 5 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, B-Curve, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Terminal Type:
- Screw
- Curve Type:
- B
- Approval:
- UL 489, CSA C22.2
- Country of Origin:
- Germany
- Trip Setting:
- 3 to 5 x Rated Current
MSRP $163.53Surplus $43.76 -
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Eaton FAZ-C40/1-NA-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 240V 50/60Hz 1Ph EA C Curve
MSRP $185.00Surplus $12.02Eaton FAZ-C40/1-NA-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 240V 50/60Hz 1Ph EA C Curve​ ARCA SKU: C15-3584 Brand: Eaton MPN: FAZ-C40/1-NA-SP UPC: 15081636406 Shipping Weight: 0.30 lbs...- SKU:
- C15-3584
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 0.7 Inch Width x 3.15 Inch Height
- Volts:
- 277 VAC at 50/60 Hertz
- Volts:
- 48 VDC (UL/CSA)
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 kA at 48 Volt DC (UL
- Terminal Type:
- Screw
- Trip Setting:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 5 to 10 x Rated Current, Screw Terminal, DIN Rail Mount, Single Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- TS PIK:
- 124653172
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 1
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $185.00Surplus $12.02 -
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Eaton FAZ-B40/1-SP Din Rail Mounted Circuit Breakers EA
MSRP $146.00Surplus $41.42Eaton FAZ-B40/1-SP Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-5132 Brand: Eaton MPN: FAZ-B40/1-SP UPC: Shipping Weight: 0.30 Shipping Height: 1.00 In. Shipping...- SKU:
- C15-5132
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- UL (Canada and US)
- Approval:
- CSA C22.2
- Approval:
- CE
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Line/Load
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 3 to 5 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10 kA, 3 to 5 x Rated Current, Line/Load Terminal, DIN Rail Mount, B-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Current Rating:
- 40 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 1
MSRP $146.00Surplus $41.42 -
Eaton FAZ-C40/1-NA-DC-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 125V 50/60Hz 1Ph EA C Curve
MSRP $270.00Surplus $30.55Eaton FAZ-C40/1-NA-DC-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 125V 50/60Hz 1Ph EA C Curve​ ARCA SKU: C15-2823 Brand: Eaton MPN: FAZ-C40/1-NA-DC-SP UPC: 015081636604 Shipping Weight: 0.30...- SKU:
- C15-2823
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Volts:
- 277/480 VAC
- Volts:
- 125 VDC per Pole
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 125 VDC per Pole, 40 A, 1-Pole, 10 kA, 5 to 10 x Rated Current, Screw Terminal, DIN Rail Mount, Single Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- TS PIK:
- 124653192
- Voltage Rating:
- 270/480 VAC
- Number of Poles:
- 1
- Current Rating:
- 40 A
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $270.00Surplus $30.55 -
Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)
MSRP $172.00Surplus $11.31Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3866 Brand: Eaton MPN: FAZ-C40/1-RT-SP UPC: 015081637243 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3866
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 5 to 10 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Single Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 1
- Curve Type:
- C
- TS PIK:
- 124653255
- Country of Origin:
- Spain
MSRP $172.00Surplus $11.31 -
Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA
MSRP $145.00Surplus $20.85Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA​ ARCA SKU: C15-3808 Brand: Eaton MPN: FAZ-C40/1-SP UPC: 015081636789 Shipping Weight: 0.30 lbs. Shipping...- SKU:
- C15-3808
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- UL (Canada and US)
- Approval:
- CSA C22.2
- Approval:
- CE
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- TS PIK:
- 124653210
- Number of Poles:
- 1
- Current Rating:
- 40 A
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $145.00Surplus $20.85 -
Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers
MSRP $185.00Surplus $27.19Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers​ ARCA SKU: C15-3590 Brand: Eaton MPN: FAZ-D40/1-NA-SP UPC: 015081637069 Shipping Weight: 0.15 lbs. Shipping Height: 1.00 In...- SKU:
- C15-3590
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 1
- 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, 40 A, 1-Pole, 10/14 kA, 10 to 20 x Rated Current, Screw Terminal, DIN Rail Mount, Single Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- TS PIK:
- 124653238
- Number of Poles:
- 1
- Current Rating:
- 40 A
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- D
- Country of Origin:
- Germany
MSRP $185.00Surplus $27.19 -
Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph
MSRP $197.47Surplus $22.93Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-1794 Brand: Eaton MPN: FAZ-D40/1-RT-SP UPC: 015081637410 Shipping Weight: 0.50 Shipping...- SKU:
- C15-1794
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 0.7 Inch Width x 3.15 Inch Height
- Volts:
- 277 VAC at 50/60 Hertz
- Volts:
- 48 VDC (UL/CSA)
- Amps:
- 32 A
- Poles:
- 1
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 Kiloamp at 48 Volt DC (UL
- Terminal Type:
- Screw
- Trip Setting:
- 10 to 20 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 1-Pole, 10/14 kA, 10 to 20 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Single Packaging, D-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_56860_1-3_DATA.pdf
- Number of Poles:
- 1
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 40 A
- Curve Type:
- D
- Country of Origin:
- Germany
MSRP $197.47Surplus $22.93 -
GENERAL ELECTRIC THQC1140WL Din Rail Mounted Circuit Breakers 1P 40A 120V
MSRP $58.25Surplus $6.01GENERAL ELECTRIC THQC1140WL Din Rail Mounted Circuit Breakers 1P 40A 120V​ ARCA SKU: C15-5920 Brand: GENERAL ELECTRIC MPN: THQC1140WL UPC: 78316404859 Shipping Weight: 0.40 lbs. Shipping...- SKU:
- C15-5920
- Terminal Type:
- Lug
- Type:
- Thermal Magnetic
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- Interrupting Rating:
- 10 kA
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 1
- Short Description:
- 120/240 VAC, 40 A, 10 kA Interrupt, 1-Pole, 8 to 3 AWG Aluminum/Copper Line/Load Lug Terminal, 35 MM DIN Rail Mount, Q-Line Frame, Non-Interchangeable Trip, Compact, Fixed Thermal Magnetic, Cable-In Cable-Out, Miniature Molded Case Circuit Breaker
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $58.25Surplus $6.01 -
Contact Us For Quote
Square D QOU140 Miniature Circuit Breakers (MCBs) QOU 1P 40A 240V 50/60Hz 1Ph
MSRP $50.00Surplus $24.21Square D QOU140 Miniature Circuit Breakers (MCBs) QOU 1P 40A 240V 50/60Hz 1Ph​ ARCA SKU: C15-3658 Brand: Square D MPN: QOU140 UPC: 785901418597 Shipping Weight: 0.40 Shipping Height: 1.00...- SKU:
- C15-3658
- Series:
- QOU
- Type:
- Miniature
- Type:
- Standard
- Approval:
- UL
- Approval:
- CSA
- Size:
- 0.75 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:
- 1
- 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, 40 A, 10 kA Interrupt, 1-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_21490_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
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Number of Poles:
- 1
- Current Rating:
- 40 A
- Voltage Rating:
- 120/240 VAC
- Country of Origin:
- Mexico
MSRP $50.00Surplus $24.21
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