
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-B50/3 Miniature Circuit Breakers (MCBs) FAZ 3P 50A 120/240V 50/60Hz 3Ph EA
MSRP $664.31Surplus $75.03Eaton FAZ-B50/3 Miniature Circuit Breakers (MCBs) FAZ 3P 50A 120/240V 50/60Hz 3Ph EA​ ARCA SKU: C15-2800 Brand: Eaton MPN: FAZ-B50/3 UPC: 015082788524 Shipping Weight: 0.85 lbs. Shipping...- SKU:
- C15-2800
- Series:
- FAZ
- Type:
- Current Limiting
- Type:
- Thermal Magnetic
- Approval:
- UL 1077
- Approval:
- CSA C22.2
- Approval:
- CCC
- Size:
- 2.09 Inch Width x 3.15 Inch Height
- Volts:
- 480 VAC Star/277 VAC at 50/60 Hertz
- Volts:
- 96 VDC (UL/CSA)
- Amps:
- 32 A
- Poles:
- 3
- Mounting:
- DIN Rail
- Interrupting Rating:
- 10 kA
- Interrupting Rating:
- 10 kA at 96 Volt DC (UL
- Interrupting Rating:
- CSA)
- Terminal Type:
- Screw
- Trip Setting:
- 3 to 5 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 50 A, 3-Pole, 10 kA, 3 to 5 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, B-Curve, Current Limiting, Thermal Magnetic
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_56862_1-9_DATA.pdf
- TS PIK:
- 124503332
- Number of Poles:
- 3
- Current Rating:
- 50 A
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- B
- Country of Origin:
- Germany
MSRP $664.31Surplus $75.03 -
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Eaton FAZ-C50/3 Din Rail Mounted Circuit Breakers EA
MSRP $597.80Surplus $153.89Eaton FAZ-C50/3 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: C15-9028 Brand: Eaton MPN: FAZ-C50/3 UPC: 4015082788780 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping...- SKU:
- C15-9028
- Mounting:
- DIN Rail
- Terminal Type:
- Screw
- Data Sheet:
- Eaton_40765_1-9_DATA.pdf
- Series:
- FAZ
- Voltage Rating:
- 277/480 VAC
- Catalog:
- Eaton_03771_V4T1_74_V4T1_75_V4T1_77_V4T1_85_V4T1_86_V4T1_88_V4T1_92_CAT.pdf
- Type:
- Thermal Magnetic
- Size:
- 2.09 Inch W x 2.36 Inch D x 3.15 Inch H
- Number of Poles:
- 3
- Interrupting Rating:
- 5 kA at 480 Star/277 VAC, 10 kA at 96 VDC (UL, CSA)
- Installation/Operator:
- Eaton_00479_INST.pdf
- Current Rating:
- 50 A
- Short Description:
- 480 VAC Star/277 VAC, 96 VDC, 50 A, 15 kA, 5 to 10 x Rated Current, 3-Pole, Screw Terminal, DIN Rail Mount, Current Limiting, Thermal Magnetic, Miniature Circuit Breaker
- Curve Type:
- C
- Approval:
- UL 1077, CSA C22.2
- Country of Origin:
- Germany
- Trip Setting:
- 5 to 10 x Rated Current
MSRP $597.80Surplus $153.89 -
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GENERAL ELECTRIC THQC2150WL Din Rail Mounted Circuit Breakers 2P 50A 120V
MSRP $272.26Surplus $52.06GENERAL ELECTRIC THQC2150WL Din Rail Mounted Circuit Breakers 2P 50A 120V​ ARCA SKU: C15-4753 Brand: GENERAL ELECTRIC MPN: THQC2150WL UPC: 78316401256 Shipping Weight: 0.80 lbs. Shipping...- SKU:
- C15-4753
- Type:
- Thermal Magnetic
- Type:
- Compact
- Approval:
- UL
- Volts:
- 120/240 VAC
- Amps:
- 32 A
- Poles:
- 2
- Interrupting Rating:
- 10 kA
- Terminal Type:
- Lug
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
- Short Description:
- 120/240 VAC, 50 A, 10 kA Interrupt, 2-Pole, 8 to 3 AWG Aluminum/Copper 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:
- 120635810
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Voltage Rating:
- 120/240 VAC
- Number of Poles:
- 2
- Current Rating:
- 50 A
- Mounting:
- DIN Rail
- Country of Origin:
- United States
- Libra Liquidity Lot:
- Libra Auction Lot
MSRP $272.26Surplus $52.06 -
Eaton FAZ-C50/1-SP Motor Circuit Protector (MCPs) EA
MSRP $313.10Surplus $20.51Eaton FAZ-C50/1-SP Motor Circuit Protector (MCPs) EA​ ARCA SKU: C15-9699 Brand: Eaton MPN: FAZ-C50/1-SP UPC: 4015081636792 Shipping Weight: 0.30 lbs. Shipping Height: 1.00 In...- SKU:
- C15-9699
- TS PIK:
- 124653211
- Number of Poles:
- 1
- Series:
- FAZ
- Terminal Type:
- Screw
- Interrupting Rating:
- 10 kA at 277 VAC, 10 kA at 48 VDC (UL, CSA)
- Size:
- 0.7 Inch Width x 3.15 Inch Height
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Short Description:
- 277/480 VAC 50/60 Hz, 50 A, 1-Pole, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, C-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
- Current Rating:
- 50 A
- Voltage Rating:
- 277 VAC, 48 VDC (UL/CSA)
- Type:
- Current Limiting, Thermal Magnetic
- Country of Origin:
- Germany
- Approval:
- UL 1077, CSA C22.2, CCC
- Mounting:
- DIN Rail
- Trip Setting:
- 5 to 10 x Rated Current
MSRP $313.10Surplus $20.51 -
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Eaton FAZ-C50/2 Miniature Circuit Breakers (MCBs) FAZ 2P 50A 120/240V 50/60Hz 1Ph
MSRP $449.23Surplus $100.50Eaton FAZ-C50/2 Miniature Circuit Breakers (MCBs) FAZ 2P 50A 120/240V 50/60Hz 1Ph​ ARCA SKU: C15-3258 Brand: Eaton MPN: FAZ-C50/2 UPC: 015082787657 Shipping Weight: 0.60 Shipping Height: 2...- SKU:
- C15-3258
- 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:
- Line/Load
- 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, 50 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
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Data Sheet:
- Eaton_54005_1-9_DATA.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 277/480 VAC
- Number of Poles:
- 2
MSRP $449.23Surplus $100.50 -
Eaton FAZ-C50/3N Miniature Circuit Breakers (MCBs) EA
MSRP $966.01Surplus $134.61Eaton FAZ-C50/3N Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-9038 Brand: Eaton MPN: FAZ-C50/3N UPC: 4015082789800 Shipping Weight: 1.15 lbs. Shipping Height: 3.00 In...- SKU:
- C15-9038
- Number of Poles:
- 3+Neutral
- Mounting:
- DIN Rail
- Type:
- Thermal Magnetic
- Short Description:
- 277/480 VAC 50/60 Hz, 50 A, 3-Pole+ Neutral, 10 kA, 5 to 10 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, C-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Voltage Rating:
- 277/480 VAC
- Size:
- 2.09 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Series:
- FAZ
- Data Sheet:
- Eaton_54007_1-8_DATA.pdf
- Terminal Type:
- Screw
- Current Rating:
- 50 A
- Interrupting Rating:
- 10 kA
- Wire Size:
- 18 to 4/18 to 8 AWG
- 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 $966.01Surplus $134.61 -
Eaton FAZ-D50/1 Din Rail Mounted Circuit Breakers EA
MSRP $261.12Surplus $105.08Eaton FAZ-D50/1 Din Rail Mounted Circuit Breakers EA​ ARCA SKU: U00-2860 Brand: Eaton MPN: FAZ-D50/1 UPC: 4015081147700 Shipping Weight: 0.25 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- U00-2860
- Wire Size:
- 18 to 4/18 to 8 AWG
- Terminal Type:
- Screw
- Series:
- FAZ
- Size:
- 0.7 Inch Width x 2.36 Inch Depth x 3.15 Inch Height
- Voltage Rating:
- 277/480 VAC
- Catalog:
- Eaton_03771_V4T1_74-V4T1_92_CAT.pdf
- Mounting:
- DIN Rail
- Number of Poles:
- 1
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 10 kA
- Data Sheet:
- Eaton_54201_1_2_DATA.pdf
- Current Rating:
- 50 A
- Short Description:
- 277/480 VAC 50/60 Hz, 50 A, 1-Pole, 10 kA, 10 to 20 x Rated Current, Line/Load Terminal, DIN Rail Mount, Standard Packaging, D-Curve, Current Limiting, Thermal Magnetic, Supplementary Protector
- Curve Type:
- D
- Approval:
- UL 1077, UL (Canada and US), CSA C22.2, CE
- Country of Origin:
- Germany
- Trip Setting:
- 10 to 20 x Rated Current
MSRP $261.12Surplus $105.08 -
Eaton FAZ-Z50/2 Miniature Circuit Breakers (MCBs) FAZ 2P 50A 480V 50/60Hz 1Ph
MSRP $598.97Surplus $53.39Eaton FAZ-Z50/2 Miniature Circuit Breakers (MCBs) FAZ 2P 50A 480V 50/60Hz 1Ph​ ARCA SKU: C15-3329 Brand: Eaton MPN: FAZ-Z50/2 UPC: 015082788302 Shipping Weight: 0.60 Shipping Height: 1.00...- SKU:
- C15-3329
- 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:
- 2 to 3 x Rated Current
- Short Description:
- 277/480 VAC 50/60 Hz, 50 A, 2-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_54425_1-9_DATA.pdf
- Current Rating:
- 50 A
- Number of Poles:
- 2
- Voltage Rating:
- 277/480 VAC
- Curve Type:
- Z
- Country of Origin:
- Germany
MSRP $598.97Surplus $53.39 -
Eaton QCGFEP2050 Din Rail Mounted Circuit Breakers EA
MSRP $2,587.70Surplus $589.62SKU: U00-8529 Brand: Eaton MPN: QCGFEP2050 UPC: 78667957430 Shipping Weight: 0.85 lbs. Shipping Height: 3.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- U00-8529
- Number of Poles:
- 2
- Voltage Rating:
- 120/240 VAC
- Current Rating:
- 50 A
- Catalog:
- Eaton_03771_V4T1_3-V4T1_46_CAT.pdf
- Interrupting Rating:
- 10000 A
- Type:
- Thermal Magnetic
- Wire Size:
- 14 to 4 AWG Copper/Aluminum (Standard Load)
- Terminal Type:
- Lug
- Mounting:
- DIN Rail
- Approval:
- UL, CSA
- Trip Sensitivity:
- 30 MilliA
- Short Description:
- QC 2 POLE 50A GF EP BKR 30MA 120/240VAC
MSRP $2,587.70Surplus $589.62 -
GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V
MSRP $457.91Surplus $11.82GENERAL ELECTRIC THQC1150WL Din Rail Mounted Circuit Breakers 1P 50A 120V​ ARCA SKU: C15-5921 Brand: GENERAL ELECTRIC MPN: THQC1150WL UPC: 78316404861 Shipping Weight: 1.25 lbs. Shipping...- SKU:
- C15-5921
- Voltage Rating:
- 120/240 VAC
- Catalog:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_00542_6_4_6_5_6_8_6_40_CAT.pdf
- CAD Drawings:
- ABBElectrificationProducts-ABBGEIndustrialSolutions_01788_1_CAD.pdf
- Short Description:
- 120/240 VAC, 50 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
- Type:
- Thermal Magnetic
- Current Rating:
- 50 A
- Number of Poles:
- 1
- Terminal Type:
- Lug
- Interrupting Rating:
- 10 kA
- Mounting:
- DIN Rail
- Approval:
- UL
- Country of Origin:
- United States
- Frame Type:
- Q-Line
- Maximum AC Voltage Rating:
- 240 V
MSRP $457.91Surplus $11.82 -
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Square D M9F21250 Miniature Circuit Breakers (MCBs) M 2P 50A 120V 50/60Hz 1Ph EA
MSRP $326.71Surplus $63.82Square D M9F21250 Miniature Circuit Breakers (MCBs) M 2P 50A 120V 50/60Hz 1Ph EA​ ARCA SKU: C15-4893 Brand: Square D MPN: M9F21250 UPC: 606481167692 Shipping Weight: 0.55 lbs. Shipping...- SKU:
- C15-4893
- Type:
- Thermal Magnetic
- Type:
- Miniature
- Approval:
- UL 1077
- Approval:
- CSA C22.2
- Size:
- 1.42 Inch Width x 2.83 Inch Depth x 3.19 Inch Height
- Volts:
- 240/415/440 VAC 50/60 Hertz
- Amps:
- 32 A
- Poles:
- 2
- Mounting:
- DIN Rail
- Interrupting Rating:
- 5 kA at 480 Star/277 VAC
- Terminal Type:
- Tunnel (Top or Bottom)
- Wire Size:
- 0.55
- Short Description:
- 240/415/440 VAC 50/60 Hz, 50 A, 5 kA Interrupt, 2-Pole, B Curve, Gray, Toggle Control, Clip-On Mount, Tunnel Terminal, Thermal Magnetic
- Catalog:
- SchneiderElectric-SquareD_60281_16_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_60767_1-3_DATA.pdf
- CAD Drawing:
- SchneiderElectric_30029_1-7_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Current Rating:
- 50 A
- Voltage Rating:
- 240/415/440 VAC 50/60 Hertz
- CAD Drawings:
- SchneiderElectric_30029_1-7_CAD.pdf
- Number of Poles:
- 2
MSRP $326.71Surplus $63.82 -
Square D QOU150 Miniature Circuit Breakers (MCBs)
MSRP $54.72Surplus $32.96Square D QOU150 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-6564 Brand: Square D MPN: QOU150 UPC: 78590141862 Shipping Weight: 0.35 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-6564
- TS PIK:
- 109594956
- Short Description:
- 120/240 VAC 50/60 Hz, 48 VDC, 50 A, 10 kA Interrupt, 1-Pole, 14 to 2 AWG Copper/Aluminum, Unit Mount, Slotted Box Lug Line/Load Terminal, Standard, Miniature Circuit Breaker
- Number of Poles:
- 1
- Voltage Rating:
- 120/240 VAC
- Series:
- QOU
- Installation/Operator:
- SchneiderElectric-SquareD_02171_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_7_19_7_21_CAT.pdf
- Terminal Type:
- Slotted Box Lug Line/Load
- Current Rating:
- 50 A
- Mounting:
- DIN Rail
- Wire Size:
- 14 to 2 AWG (Copper/Aluminum)
- Type:
- Miniature, Standard
- Interrupting Rating:
- 10 kA
- Size:
- 0.75 Inch Width x 2.95 Inch Depth x 4.05 Inch Height
- CAD Drawings:
- SchneiderElectric_30265_1_CAD.pdf
- Used On:
- OEM
- Data Sheet:
- SchneiderElectric_21503_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $54.72Surplus $32.96
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.