
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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Eaton FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph
MSRP $571.75Surplus $56.53Eaton FAZ-D40/3 Miniature Circuit Breakers (MCBs) FAZ 3P 40A 120/240V 50/60Hz 3Ph​ ARCA SKU: C15-3742 Brand: Eaton MPN: FAZ-D40/3 UPC: 015082789002 Shipping Weight: 0.85 Shipping Height: 3...- SKU:
- C15-3742
- 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:
- 10 to 20 x Rated Current
- Short Description:
- 480 VAC Star/277 VAC, 96 VDC, 40 A, 15 kA, 10 to 20 x Rated Current, 3-Pole, Screw Terminal, DIN Rail Mount, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74_V4T1_75_V4T1_78_V4T1_85_V4T1_86_V4T1_88_V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_40783_1-9_DATA.pdf
- Installation/Operator:
- Eaton_00479_INST.pdf
- Number of Poles:
- 3
- Current Rating:
- 40 A
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- D
- Country of Origin:
- Germany
MSRP $571.75Surplus $56.53 -
Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA
MSRP $695.81Surplus $80.44Eaton FAZ-C40/3-NA Miniature Circuit Breakers (MCBs) 3P 40A 277V EA​ ARCA SKU: C15-3917 Brand: Eaton MPN: FAZ-C40/3-NA UPC: 015081021325 Shipping Weight: 0.90 lbs. Shipping Height: 3...- SKU:
- C15-3917
- 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:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 3-Pole, 10/14 kA, 5 to 10 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_56876_1-5_DATA.pdf
- Current Rating:
- 40 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 3
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $695.81Surplus $80.44 -
Eaton FAZ-C40/1-NA-DC-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 125V 50/60Hz 1Ph EA C Curve
MSRP $367.55Surplus $41.59Eaton 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 $367.55Surplus $41.59 -
Eaton FAZ-C40/1-RT-SP Miniature Circuit Breakers (MCBs)
MSRP $234.14Surplus $15.40Eaton 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 $234.14Surplus $15.40 -
Eaton FAZ-C40/1-SP Din Rail Mounted Circuit Breakers FAZ 1P 40A 480V EA
MSRP $197.39Surplus $28.38Eaton 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 $197.39Surplus $28.38 -
Eaton FAZ-C40/2 Miniature Circuit Breakers (MCBs) EA
MSRP $383.59Surplus $31.57Eaton FAZ-C40/2 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9042 Brand: Eaton MPN: FAZ-C40/2 UPC: 4015082787646 Shipping Weight: 0.55 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9042
- Series:
- FAZ
- Voltage Rating:
- 277/480 VAC
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 2-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
- Type:
- Thermal Magnetic
- Current Rating:
- 40 A
- Terminal Type:
- Screw
- Data Sheet:
- Eaton_53982_1-9_DATA.pdf
- Mounting:
- DIN Rail
- Wire Size:
- 18 to 4/18 to 8 AWG
- Number of Poles:
- 2
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Size:
- 1.4 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Interrupting Rating:
- 10 kA
- Curve Type:
- C
- Approval:
- UL 1077, UL (Canada and US), CSA C22.2, CE
- Country of Origin:
- Germany
- Trip Setting:
- 5 to 10 x Rated Current
MSRP $383.59Surplus $31.57 -
Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph
MSRP $925.68Surplus $89.55Eaton FAZ-C40/3-RT Miniature Circuit Breakers (MCBs) FAZ 3P 40A 240V 50/60Hz 3Ph​ ARCA SKU: C15-4111 Brand: Eaton MPN: FAZ-C40/3-RT UPC: 015081021721 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- C15-4111
- Type:
- Current Limiting
- Approval:
- UL 489
- Approval:
- CSA-C22.2
- Approval:
- IEC 60947-2
- Size:
- 45 Millimeter Length x 17.7 Millimeter Width x 105 Millimeter Height
- Volts:
- 240 VAC
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 15 kA
- Terminal Type:
- Screw
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 3-Pole, 10/14 kA, 5 to 10 x Rated Current, Ring Tongue Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_53988_1-5_DATA.pdf
- Voltage Rating:
- 240 VAC
- Current Rating:
- 40 A
- Number of Poles:
- 3
- Series:
- FAZ
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $925.68Surplus $89.55 -
Eaton FAZ-D40/1-NA-SP Din Rail Mounted Circuit Breakers
MSRP $251.84Surplus $37.01Eaton 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 $251.84Surplus $37.01 -
Eaton FAZ-D40/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 40A 120/240V 50/60Hz 1Ph
MSRP $268.82Surplus $31.21Eaton 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 $268.82Surplus $31.21 -
Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs)
MSRP $898.46Surplus $79.54Eaton FAZ-D40/3-RT Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-3558 Brand: Eaton MPN: FAZ-D40/3-RT UPC: 015081021929 Shipping Weight: 0.85 lbs. Shipping Height: 4.00 In...- SKU:
- C15-3558
- 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, 40 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_54192_1-5_DATA.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 40 A
- Curve Type:
- D
- TS PIK:
- 124501618
- Country of Origin:
- Spain
MSRP $898.46Surplus $79.54 -
Eaton FAZ-K40/2 Miniature Circuit Breakers (MCBs) FAZ 2P 40A 120/240V 50/60Hz 1Ph
MSRP $460.12Surplus $43.59Eaton FAZ-K40/2 Miniature Circuit Breakers (MCBs) FAZ 2P 40A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-2904 Brand: Eaton MPN: FAZ-K40/2 UPC: 015082788029 Shipping Weight: 0.55 Shipping Height: 2...- SKU:
- C15-2904
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- UL (Canada and US)
- Approval:
- CSA C22.2
- Approval:
- CE
- Size:
- 1.4 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Volts:
- 277/480 VAC
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Screw
- Wire Size:
- 18 to 4/18 to 8 AWG
- Trip Setting:
- 8 to 12 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 40 A, 2-Pole, 10 kA, 8 to 12 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, K-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_54315_1-8_DATA.pdf
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Voltage Rating:
- 270/480 VAC
- Curve Type:
- K
- Country of Origin:
- Germany
MSRP $460.12Surplus $43.59 -
GENERAL ELECTRIC THQC1140WL Din Rail Mounted Circuit Breakers 1P 40A 120V
MSRP $79.30Surplus $8.18GENERAL 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 $79.30Surplus $8.18
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.