
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-B30/3-NA Miniature Circuit Breakers (MCBs) FAZ 3P 30A 277V 50/60Hz 3Ph EA
MSRP $444.00Surplus $37.41Eaton FAZ-B30/3-NA Miniature Circuit Breakers (MCBs) FAZ 3P 30A 277V 50/60Hz 3Ph EA​ ARCA SKU: C15-3313 Brand: Eaton MPN: FAZ-B30/3-NA UPC: 015081296761 Shipping Weight: 0.90 lbs. Shipping...- SKU:
- C15-3313
- 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:
- 3 to 5 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 30 A, 3-Pole, 10/14 kA, 3 to 5 x Rated Current, Screw Terminal, DIN Rail Mount, Standard Packaging, B-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Data Sheet:
- Eaton_53684_1_2_DATA.pdf
- TS PIK:
- 124610218
- Current Rating:
- 30 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 3
- Curve Type:
- B
- Country of Origin:
- Germany
MSRP $444.00Surplus $37.41 -
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Eaton FAZ-C30/1-NA-DC-SP Din Rail Mounted Circuit Breakers
MSRP $197.47Surplus $18.87SKU: C15-11651 Brand: Eaton MPN: FAZ-C30/1-NA-DC-SP UPC: Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-11651
- TS PIK:
- 124653190
- Series:
- FAZ
- Short Description:
- 277/480 VAC 50/60 Hz, 125 VDC per Pole, 30 A, 1-Pole, 10 kA, 5 to 10 x Rated Current, Screw Terminal, DIN Rail Mount, Single Packaging, C-Curve, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Terminal Type:
- Screw
- Voltage Rating:
- 277/480 VAC, 125 VDC per Pole
- Type:
- Current Limiting, Thermal Magnetic
- Number of Poles:
- 1
- Wire Size:
- 18 to 4/18 to 8 AWG
- Mounting:
- DIN Rail
- Current Rating:
- 30 A
- Approval:
- UL 489, CSA C22.2
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Interrupting Rating:
- 10 kA
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Trip Setting:
- 5 to 10 x Rated Current
MSRP $197.47Surplus $18.87 -
Eaton FAZ-C30/1-NA-L Miniature Circuit Breakers (MCBs)
MSRP $62.83Surplus $10.52Eaton FAZ-C30/1-NA-L Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-4237 Brand: Eaton MPN: FAZ-C30/1-NA-L UPC: 9008790868764 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-4237
- Series:
- FAZ
- Volts:
- 240 V
- Amps:
- 30 A
- Poles:
- 1
- Frequency Rating:
- 50/60 Hz
- Short Description:
- FAZ-NA UL 489 MCB 240VAC 1P 30A C CURVE
- TS PIK:
- 21520480
- Number of Poles:
- 1
- Current Rating:
- 30 A
- Mounting:
- DIN Rail
- Curve Type:
- C
- Country of Origin:
- United States
MSRP $62.83Surplus $10.52 -
Eaton FAZ-C30/1-NA-SP Din Rail Mounted Circuit Breakers FAZ 1P 30A 277V EA
MSRP $224.00Surplus $19.01Eaton FAZ-C30/1-NA-SP Din Rail Mounted Circuit Breakers FAZ 1P 30A 277V EA​ ARCA SKU: C15-3617 Brand: Eaton MPN: FAZ-C30/1-NA-SP UPC: 015081636383 Shipping Weight: 0.30 lbs. Shipping...- SKU:
- C15-3617
- 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 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, 30 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:
- 124653170
- Number of Poles:
- 1
- Current Rating:
- 30 A
- Voltage Rating:
- 277 VAC
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $224.00Surplus $19.01 -
Eaton FAZ-C30/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 30A 277V 50/60Hz 1Ph EA
MSRP $165.00Surplus $12.22Eaton FAZ-C30/1-RT-SP Miniature Circuit Breakers (MCBs) FAZ 1P 30A 277V 50/60Hz 1Ph EA​ ARCA SKU: C15-3008 Brand: Eaton MPN: FAZ-C30/1-RT-SP UPC: 015081637229 Shipping Weight: 0.30 lbs...- SKU:
- C15-3008
- 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, 30 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
- TS PIK:
- 124653253
- Voltage Rating:
- 270/480 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 1
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $165.00Surplus $12.22 -
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Eaton FAZ-C30/2 Miniature Circuit Breakers (MCBs) EA
MSRP $246.83Surplus $30.26Eaton FAZ-C30/2 Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9031 Brand: Eaton MPN: FAZ-C30/2 UPC: 4015081639915 Shipping Weight: 0.55 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9031
- Type:
- Thermal Magnetic
- Short Description:
- 277/480 VAC 50/60 Hz, 30 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
- Terminal Type:
- Screw
- Series:
- FAZ
- Current Rating:
- 30 A
- Data Sheet:
- Eaton_53932_1_2_DATA.pdf
- Voltage Rating:
- 277/480 VAC
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Wire Size:
- 18 to 4/18 to 8 AWG
- Size:
- 1.4 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Number of Poles:
- 2
- 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 $246.83Surplus $30.26 -
Eaton FAZ-C30/2-NA-L Din Rail Mounted Circuit Breakers EA
MSRP $398.88Surplus $34.69Eaton FAZ-C30/2-NA-L Din Rail Mounted Circuit Breakers EA https://www.eaton.com/mdmfiles/PDM72894873/SG56712_L/1000x1000_300dpi​ ARCA...- SKU:
- C15-9511
- Number of Poles:
- 2
- Current Rating:
- 30 A
- Mounting:
- DIN Rail
- Curve Type:
- C
- Country of Origin:
- Germany
- Voltage Rating:
- 240 VAC
- Series:
- FAZ
- Interrupting Rating:
- 10 kA
- Short Description:
- is a 2-pole, 30A thermal-magnetic miniature circuit breaker designed for DIN rail mounting.
- Type:
- Thermal Magnetic
MSRP $398.88Surplus $34.69 -
Eaton FAZ-C30/2-RT Miniature Circuit Breakers (MCBs) FAZ 2P 30A 277V 50/60Hz 1Ph EA
MSRP $313.00Surplus $41.71Eaton FAZ-C30/2-RT Miniature Circuit Breakers (MCBs) FAZ 2P 30A 277V 50/60Hz 1Ph EA​ ARCA SKU: C15-3635 Brand: Eaton MPN: FAZ-C30/2-RT UPC: 015081020892 Shipping Weight: 0.92 lbs. Shipping...- SKU:
- C15-3635
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 489
- Approval:
- CSA C22.2
- Size:
- 1.39 Inch Width x 2.36 Inch Depth x 4.13 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:
- 5 to 10 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 30 A, 2-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_53934_1-5_DATA.pdf
- TS PIK:
- 124501515
- Current Rating:
- 30 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 2
- Curve Type:
- C
- Country of Origin:
- Germany
MSRP $313.00Surplus $41.71 -
Eaton FAZ-C30/3-RT Miniature Circuit Breakers (MCBs) EA
MSRP $687.00Surplus $48.22SKU: C15-9700 Brand: Eaton MPN: FAZ-C30/3-RT UPC: 01508102169 Shipping Weight: 0.90 lbs. Shipping Height: 2.00 In. Shipping Length: 5.00 In. Shipping Width: 3.00 In...- SKU:
- C15-9700
- TS PIK:
- 124501595
- Data Sheet:
- Eaton_53937_1-5_DATA.pdf
- Short Description:
- 277/480 VAC 50/60 Hz, 30 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, Miniature Circuit Breaker
- Interrupting Rating:
- 10 kA
- Catalog:
- Eaton_03771_V4T1_47-V4T1_72_CAT.pdf
- Wire Size:
- 18 to 4/18 to 8 AWG
- Series:
- FAZ
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 4.13 Inch Height
- Current Rating:
- 30 A
- Type:
- Thermal Magnetic
- Number of Poles:
- 3
- Terminal Type:
- Screw
- Mounting:
- DIN Rail
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- C
- Approval:
- UL 489, CSA C22.2
- Country of Origin:
- Germany
- Trip Setting:
- 5 to 10 x Rated Current
MSRP $687.00Surplus $48.22 -
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Eaton FAZ-D30/3-NA Din Rail Mounted Circuit Breakers FAZ 3P 30A 480V 50/60Hz 3Ph EA D Curve
MSRP $620.00Surplus $77.88Eaton FAZ-D30/3-NA Din Rail Mounted Circuit Breakers FAZ 3P 30A 480V 50/60Hz 3Ph EA D Curve​ ARCA SKU: C15-4196 Brand: Eaton MPN: FAZ-D30/3-NA UPC: 015081021493 Shipping Weight: 0.90 lbs...- SKU:
- C15-4196
- 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, 30 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_54157_1-5_DATA.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 277/480 VAC
- Current Rating:
- 30 A
- TS PIK:
- 124501575
- Curve Type:
- D
- Country of Origin:
- Spain
MSRP $620.00Surplus $77.88 -
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 -
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Square D QOU230 Miniature Circuit Breakers (MCBs)
MSRP $92.46Surplus $51.21Square D QOU230 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6402 Brand: Square D MPN: QOU230 UPC: 78590141871 Shipping Weight: 0.75 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-6402
- TS PIK:
- 124025006
- Interrupting Rating:
- 10 kA
- Series:
- QOU
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 30 A, 10 kA Interrupt, 2-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Current Rating:
- 30 A
- Number of Poles:
- 2
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Type:
- Miniature, Standard
- Mounting:
- DIN Rail
- Used On:
- OEM
- Size:
- 1.5 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Data Sheet:
- SchneiderElectric_21568_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Country of Origin:
- Mexico
MSRP $92.46Surplus $51.21 -
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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
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.