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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Square D FA24040AC Molded Case Breakers (MCCBs) EA
MSRP $1,400.00Surplus $234.05SKU: C15-10957 Brand: Square D MPN: FA24040AC UPC: 785901253525 Shipping Weight: 4.20 lbs. Shipping Height: 7.00 In. Shipping Length: 11.00 In. Shipping Width: 6.00...- SKU:
- C15-10957
- Short Description:
- 480 VAC, 250 VDC, 40 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Number of Poles:
- 2
- Voltage Rating:
- 480 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric-SquareD_04276_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 40 A
- Series:
- 650, FA
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Trip Setting:
- 400 A Hold, 850 A Trip
- Installation:
- Plug-On
MSRP $1,400.00Surplus $234.05 -
Square D FAL34050 Molded Case Breakers (MCCBs)
MSRP $1,250.00Surplus $798.00Square D FAL34050 Molded Case Breakers (MCCBs)​ ARCA SKU: C15-7028 Brand: Square D MPN: FAL34050 UPC: Shipping Weight: 4.85 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- C15-7028
- Catalog:
- SchneiderElectric-SquareD_00096_25_26_CAT.pdf
- Terminal Type:
- Lug
- Voltage Rating:
- 480 VAC, 250 VDC
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Short Description:
- 480 VAC, 250 VDC, 50 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Type:
- Thermal Magnetic
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Data Sheet:
- SchneiderElectric-SquareD_04467_1_2_DATA.pdf
- Series:
- FA
- Frame Type:
- F
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Prop 65 Warning:
- Yes
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
MSRP $1,250.00Surplus $798.00 -
Square D FA24020AC Molded Case Breakers (MCCBs)
MSRP $522.73Surplus $349.09SKU: E30-10177 Brand: Square D MPN: FA24020AC UPC: Shipping Weight: 3.50 lbs. Shipping Height: 6.00 In. Shipping Length: 9.00 In. Shipping Width: 3.00 In. Product...- SKU:
- E30-10177
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Current Rating:
- 20 A
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Short Description:
- 480 VAC, 250 VDC, 20 A, 10/18/25 kA, 2-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Type:
- Molded Case, Thermal Magnetic, Main
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Voltage Rating:
- 480 VAC, 250 VDC
- Series:
- 650, FA
- Data Sheet:
- SchneiderElectric-SquareD_04266_1_2_DATA.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Trip Setting:
- 275 A Hold, 600 A Trip
- Installation:
- Plug-On
MSRP $522.73Surplus $349.09 -
Square D FA24050BC Molded Case Breakers (MCCBs)
MSRP $1,235.00Surplus $162.05SKU: C15-7054 Brand: Square D MPN: FA24050BC UPC: Shipping Weight: 4.40 lbs. Shipping Height: 5.00 In. Shipping Length: 13.00 In. Shipping Width: 8.00 In. Product...- SKU:
- C15-7054
- Short Description:
- 480 VAC, 250 VDC, 50 A, 10/18/25 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FA
- Number of Poles:
- 2
- Voltage Rating:
- 480 VAC, 250 VDC
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04280_1_2_DATA.pdf
- Current Rating:
- 50 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Trip Setting:
- 400 A Hold, 850 A Trip
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
- Installation:
- Plug-On
MSRP $1,235.00Surplus $162.05 -
Square D FA34015 Miniature Circuit Breakers (MCBs)
MSRP $1,060.48Surplus $514.12SKU: C15-1430 Brand: Square D MPN: FA34015 UPC: Shipping Weight: 6.17 lbs. Shipping Height: 6.50 In. Shipping Length: 10.80 In. Shipping Width: 5.10 In. Product...- SKU:
- C15-1430
- Application:
- Power Distribution
- Approval:
- UL
- Approval:
- CSA
- Amps:
- 15 A
- Interrupting Rating:
- 18 kA at 480 VAC
- Interrupting Rating:
- 10 Kiloamp at 250 Volt DC
- Poles:
- 3
- Trip Setting:
- 275 to 600 A
- Type:
- Thermal Magnetic
- Type:
- Molded Case
- Used On:
- Class 650/651 I-Line Panelboard/Switchboard
- Volts:
- 480 VAC at 50/60 Hertz
- Volts:
- 250 VDC
- Short Description:
- 480 VAC, 250 VDC, 15 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- FA
- Data Sheet:
- image ...
- Voltage Rating:
- 480 VAC, 250 VDC
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Country of Origin:
- United States
MSRP $1,060.48Surplus $514.12 -
Square D FAL34020 Molded Case Breakers (MCCBs)
MSRP $1,140.16Surplus $540.66SKU: C15-8565 Brand: Square D MPN: FAL34020 UPC: 78590142324 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-8565
- TS PIK:
- 128397896
- Frame Type:
- F
- Type:
- Thermal Magnetic
- Current Rating:
- 20 A
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Series:
- FA
- Catalog:
- SchneiderElectric-SquareD_00096_21-23_CAT.pdf
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Voltage Rating:
- 480 VAC, 250 VDC
- Data Sheet:
- SchneiderElectric_05208_1_2_DATA.pdf
- Number of Poles:
- 3
- Short Description:
- 480 V, 20 A, 18 kA Interrupt, 3-Pole, Line/Load Lug Terminal, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Prop 65 Warning:
- Yes
- Terminal Type:
- Lug
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
MSRP $1,140.16Surplus $540.66 -
Square D FC34015 Molded Case Breakers (MCCBs)
MSRP $4,650.00Surplus $949.24SKU: C15-7020 Brand: Square D MPN: FC34015 UPC: Shipping Weight: 4.15 lbs. Shipping Height: 5.00 In. Shipping Length: 9.00 In. Shipping Width: 5.00 In. Product...- SKU:
- C15-7020
- Short Description:
- 480 VAC, 250 VDC, 15 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Current Rating:
- 15 A
- Number of Poles:
- 3
- Series:
- FC
- Voltage Rating:
- 480 VAC, 250 VDC
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Trip Setting:
- 275 A Hold, 600 A Trip
- Used On:
- I-Line Panelboard and Switchboard
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation:
- Plug-On
- Application:
- Construction
MSRP $4,650.00Surplus $949.24
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