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
- Price
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Square D FH26050AC Molded Case Breakers (MCCBs)
MSRP $1,062.00Surplus $393.16Square D FH26050AC Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7185 Brand: Square D MPN: FH26050AC UPC: Shipping Weight: 4.00 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7185
- Series:
- 650, FH
- Interrupting Rating:
- 65 kA at 120/240 VAC, 25 kA at 480 VAC Star/277 VAC/480 VAC, 18 kA at 600 VAC (UL), 50 kA at 125/250 VDC
- Voltage Rating:
- 120/240/480/600 VAC, 480 VAC Star/277 VAC (UL), 125/250 VDC
- Current Rating:
- 50 A
- Type:
- Molded Case, Thermal Magnetic
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 2
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_04541_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Approval:
- UL, CSA
- Prop 65 Warning:
- Yes
- Used On:
- Industrial Enclosure, Panelboard, Switchboard, Busway Plug-On Unit, Combination Starter or Motor Control Center
- Installation:
- Lug Load, I-Line
- Trip Setting:
- 400 to 850 A
- Application:
- Power Distribution
MSRP $1,062.00Surplus $393.16 -
Square D FH26020AB Molded Case Breakers (MCCBs)
MSRP $1,600.00Surplus $661.05SKU: C15-7183 Brand: Square D MPN: FH26020AB UPC: Shipping Weight: 4.36 lbs. Shipping Height: 9.00 In. Shipping Length: 13.00 In. Shipping Width: 6.00 In. Product...- SKU:
- C15-7183
- Interrupting Rating:
- 18 kA at 600 VAC
- Short Description:
- 240/480/600 VAC, 250 VDC, 20 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FH
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04531_1_2_DATA.pdf
- Current Rating:
- 20 A
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Prop 65 Warning:
- Yes
- Trip Setting:
- 275 A Hold, 600 A Trip
- Application:
- Construction
- Used On:
- I-Line Panelboard and Switchboard
- Installation:
- Plug-On
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Country of Origin:
- Mexico
MSRP $1,600.00Surplus $661.05 -
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Square D FH26020AC Molded Case Breakers (MCCBs)
MSRP $1,212.00Surplus $327.24SKU: L19-6505 Brand: Square D MPN: FH26020AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6505
- Prop 65 Warning:
- Yes
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 275 A Hold, 600 A Trip
- Series:
- 650, FH
- Interrupting Rating:
- 18 kA at 600 VAC
- Short Description:
- 240/480/600 VAC, 250 VDC, 20 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation:
- Plug-On
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Application:
- Construction
- Data Sheet:
- SchneiderElectric-SquareD_04532_1_2_DATA.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
MSRP $1,212.00Surplus $327.24 -
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Square D FH26020BC Molded Case Breakers (MCCBs)
MSRP $1,318.00Surplus $355.86SKU: L19-6506 Brand: Square D MPN: FH26020BC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6506
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Data Sheet:
- SchneiderElectric-SquareD_04533_1_DATA.pdf
- Series:
- 650, FH
- Trip Setting:
- 275 A Hold, 600 A Trip
- Current Rating:
- 20 A
- Number of Poles:
- 2
- Used On:
- I-Line Panelboard and Switchboard
- Interrupting Rating:
- 18 kA at 600 VAC
- Application:
- Construction
- Voltage Rating:
- 600 VAC, 250 VDC
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Short Description:
- 240/480/600 VAC, 250 VDC, 20 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation:
- Plug-On
MSRP $1,318.00Surplus $355.86 -
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Square D FH26030AC Molded Case Breakers (MCCBs)
MSRP $1,390.00Surplus $375.30SKU: L19-6507 Brand: Square D MPN: FH26030AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6507
- Installation:
- Plug-On
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Trip Setting:
- 275 A Hold, 600 A Trip
- Interrupting Rating:
- 18 kA at 600 VAC
- Number of Poles:
- 2
- Current Rating:
- 30 A
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04535_1_2_DATA.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Application:
- Construction
- Short Description:
- 240/480/600 VAC, 250 VDC, 30 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FH
MSRP $1,390.00Surplus $375.30 -
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Square D FH26030BC Molded Case Breakers (MCCBs)
MSRP $916.16Surplus $247.37SKU: L19-6508 Brand: Square D MPN: FH26030BC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6508
- Short Description:
- 240/480/600 VAC, 250 VDC, 30 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Used On:
- I-Line Panelboard and Switchboard
- Interrupting Rating:
- 18 kA at 600 VAC
- Data Sheet:
- SchneiderElectric-SquareD_04536_1_2_DATA.pdf
- Current Rating:
- 30 A
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Voltage Rating:
- 600 VAC, 250 VDC
- Number of Poles:
- 2
- Installation:
- Plug-On
- Series:
- 650, FH
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Prop 65 Warning:
- Yes
- Trip Setting:
- 275 A Hold, 600 A Trip
- Application:
- Construction
MSRP $916.16Surplus $247.37 -
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Square D FH26040AB Molded Case Breakers (MCCBs)
MSRP $1,309.00Surplus $353.43SKU: L19-6509 Brand: Square D MPN: FH26040AB UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6509
- Trip Setting:
- 400 A Hold, 850 A Trip
- Type:
- Molded Case, Thermal Magnetic, Main
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Installation:
- Plug-On
- Application:
- Construction
- Current Rating:
- 40 A
- Data Sheet:
- SchneiderElectric-SquareD_04537_1_2_DATA.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 18 kA at 600 VAC
- Series:
- 650, FH
- Short Description:
- 240/480/600 VAC, 250 VDC, 40 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Used On:
- I-Line Panelboard and Switchboard
MSRP $1,309.00Surplus $353.43 -
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Square D FH26040AC Molded Case Breakers (MCCBs)
MSRP $1,200.00Surplus $324.00SKU: L19-6510 Brand: Square D MPN: FH26040AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6510
- Data Sheet:
- SchneiderElectric-SquareD_04538_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Installation:
- Plug-On
- Series:
- 650, FH
- Current Rating:
- 40 A
- Prop 65 Warning:
- Yes
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Type:
- Molded Case, Thermal Magnetic, Main
- Application:
- Construction
- Interrupting Rating:
- 18 kA at 600 VAC
- Number of Poles:
- 2
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 400 A Hold, 850 A Trip
- Short Description:
- 240/480/600 VAC, 250 VDC, 40 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 600 VAC, 250 VDC
MSRP $1,200.00Surplus $324.00 -
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Square D FH26040BC Molded Case Breakers (MCCBs)
MSRP $1,312.00Surplus $354.24SKU: L19-6511 Brand: Square D MPN: FH26040BC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6511
- Type:
- Molded Case, Thermal Magnetic, Main
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Series:
- 650, FH
- Short Description:
- 240/480/600 VAC, 250 VDC, 40 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04539_1_2_DATA.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Installation:
- Plug-On
- Trip Setting:
- 400 A Hold, 850 A Trip
- Number of Poles:
- 2
- Current Rating:
- 40 A
- Application:
- Construction
- Used On:
- I-Line Panelboard and Switchboard
- Interrupting Rating:
- 18 kA at 600 VAC
MSRP $1,312.00Surplus $354.24 -
Square D FH26050AB Molded Case Breakers (MCCBs)
MSRP $1,059.00Surplus $661.05Square D FH26050AB Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7184 Brand: Square D MPN: FH26050AB UPC: Shipping Weight: 3.75 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7184
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 18 kA at 600 VAC
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Series:
- 650, FH
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 50 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04540_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 2
- Number of Phases:
- 1
- Prop 65 Warning:
- Yes
- Application:
- Construction
- Trip Setting:
- 400 A Hold, 850 A Trip
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
- Country of Origin:
- Mexico
MSRP $1,059.00Surplus $661.05 -
Square D FH26050BC Molded Case Breakers (MCCBs)
MSRP $959.00Surplus $661.05Square D FH26050BC Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7186 Brand: Square D MPN: FH26050BC UPC: Shipping Weight: 4.03 lbs. Shipping Height: 7.00 In. Shipping...- SKU:
- C15-7186
- Short Description:
- 240/480/600 VAC, 250 VDC, 50 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Current Rating:
- 50 A
- Interrupting Rating:
- 65 kA at 120/240 VAC, 25 kA at 480 VAC Star/277 VAC/480 VAC, 18 kA at 600 VAC (UL), 50 kA at 125/250 VDC
- Series:
- 650, FH
- Voltage Rating:
- 120/240/480/600 VAC, 480 VAC Star/277 VAC (UL), 125/250 VDC
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04542_1_2_DATA.pdf
- Type:
- Molded Case, Thermal Magnetic
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Prop 65 Warning:
- Yes
- Trip Setting:
- 400 to 850 A
- Approval:
- UL, CSA
- Used On:
- Industrial Enclosure, Panelboard, Switchboard, Busway Plug-On Unit, Combination Starter or Motor Control Center
- Application:
- Power Distribution
- Installation:
- Lug Load, I-Line
- Country of Origin:
- Mexico
MSRP $959.00Surplus $661.05 -
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Square D FH26060AC Molded Case Breakers (MCCBs)
MSRP $1,089.00Surplus $294.03SKU: L19-6513 Brand: Square D MPN: FH26060AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6513
- Prop 65 Warning:
- Yes
- Series:
- 650, FH
- Data Sheet:
- SchneiderElectric-SquareD_04544_1_2_DATA.pdf
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Interrupting Rating:
- 18 kA at 600 VAC
- Current Rating:
- 60 A
- Installation:
- Plug-On
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Short Description:
- 240/480/600 VAC, 250 VDC, 60 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Type:
- Molded Case, Thermal Magnetic, Main
- Number of Poles:
- 2
- Voltage Rating:
- 600 VAC, 250 VDC
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 800 A Hold, 1450 A Trip
- Application:
- Construction
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
MSRP $1,089.00Surplus $294.03 -
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Square D FH26080AC Molded Case Breakers (MCCBs)
MSRP $976.00Surplus $263.52SKU: C15-16275 Brand: Square D MPN: FH26080AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16275
- Short Description:
- 240/480/600 VAC, 250 VDC, 80 A, 65/25/18/10 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FH
- Trip Setting:
- 800 A Hold, 1450 A Trip
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04545_1_2_DATA.pdf
- Number of Poles:
- 2
- Interrupting Rating:
- 18 kA at 600 VAC
- Type:
- Molded Case, Thermal Magnetic, Main
- Voltage Rating:
- 600 VAC, 250 VDC
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
- Current Rating:
- 80 A
- Application:
- Construction
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
MSRP $976.00Surplus $263.52 -
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Square D FH26080BC Molded Case Breakers (MCCBs)
MSRP $878.26Surplus $237.13SKU: C15-16276 Brand: Square D MPN: FH26080BC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16276
- Interrupting Rating:
- 18 kA at 600 VAC
- Series:
- 650, FH
- Short Description:
- 240/480/600 VAC, 250 VDC, 80 A, 65/25/18/10 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 600 VAC, 250 VDC
- Prop 65 Warning:
- Yes
- Data Sheet:
- SchneiderElectric-SquareD_04546_1_2_DATA.pdf
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal Magnetic, Main
- Catalog:
- SchneiderElectric_00256_11_9_CAT.pdf
- Trip Setting:
- 800 A Hold, 1450 A Trip
- Application:
- Construction
- Current Rating:
- 80 A
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
MSRP $878.26Surplus $237.13 -
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Square D FH26100AC Molded Case Breakers (MCCBs)
MSRP $1,368.00Surplus $369.36SKU: L19-6515 Brand: Square D MPN: FH26100AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- L19-6515
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Series:
- 650, FH
- Number of Poles:
- 2
- Short Description:
- 600 VAC/250 VDC, 100 A, 18 kA, 2-Pole, 100A-Frame, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Type:
- Molded Case, Thermal Magnetic, Main
- Catalog:
- SchneiderElectric-SquareD_00096_29_CAT.pdf
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Data Sheet:
- SchneiderElectric-SquareD_12915_1_2_DATA.pdf
- Trip Setting:
- 900 A Hold, 1700 A Trip
- Application:
- Construction
- Used On:
- I-Line Panelboard and Switchboard
- Interrupting Rating:
- 18 kA at 600 VAC
- Current Rating:
- 100 A
- Installation:
- Plug-On
- Voltage Rating:
- 600 VAC, 250 VDC
MSRP $1,368.00Surplus $369.36
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