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 FA24040AB Molded Case Breakers (MCCBs)
MSRP $1,392.00Surplus $158.62SKU: C15-7056 Brand: Square D MPN: FA24040AB UPC: Shipping Weight: 3.90 lbs. Shipping Height: 4.00 In. Shipping Length: 11.00 In. Shipping Width: 7.00 In. Product...- SKU:
- C15-7056
- Type:
- Molded Case, Thermal Magnetic, Main
- Current Rating:
- 40 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Short Description:
- 480 VAC, 250 VDC, 40 A, 10/18/25 kA, 1-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Series:
- 650, FA
- Number of Poles:
- 2
- Data Sheet:
- SchneiderElectric-SquareD_04275_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Voltage Rating:
- 480 VAC, 250 VDC
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 400 A Hold, 850 A Trip
- Installation:
- Plug-On
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
MSRP $1,392.00Surplus $158.62 -
Square D FA24040AC Molded Case Breakers (MCCBs) EA
MSRP $1,400.00Surplus $227.98SKU: 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
- Country of Origin:
- Mexico
MSRP $1,400.00Surplus $227.98 -
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Square D FA24040BC Miniature Circuit Breakers (MCBs) EA
MSRP $590.00Surplus $760.76Square D FA24040BC Miniature Circuit Breakers (MCBs) EA​ ARCA SKU: C15-10958 Brand: Square D MPN: FA24040BC UPC: 785901253532 Shipping Weight: 4.30 lbs. Shipping Height: 5.00 In...- SKU:
- C15-10958
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Current Rating:
- 40 A
- Used On:
- I-Line Panelboard and Switchboard
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Series:
- 650, FA
- Type:
- Molded Case, Thermal Magnetic, Main
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Data Sheet:
- SchneiderElectric-SquareD_04277_1_2_DATA.pdf
- Voltage Rating:
- 480 VAC, 250 VDC
- Short Description:
- 480 VAC, 250 VDC, 40 A, 10/18/25 kA, 4-Phase, 2-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Trip Setting:
- 400 A Hold, 850 A Trip
- Installation:
- Plug-On
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
MSRP $590.00Surplus $760.76 -
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Square D FAL24040 Molded Case Breakers (MCCBs)
MSRP $500.00Surplus $558.60SKU: C15-10968 Brand: Square D MPN: FAL24040 UPC: 785901254911 Shipping Weight: 2.85 lbs. Shipping Height: 5.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- C15-10968
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Terminal Type:
- Lug
- Voltage Rating:
- 480 VAC, 250 VDC
- Frame Type:
- F
- Short Description:
- 480 VAC, 250 VDC, 40 A, 18/10 kA, 2-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_00096_25_26_CAT.pdf
- Number of Poles:
- 2
- Series:
- FA
- Data Sheet:
- SchneiderElectric-SquareD_04418_1_2_DATA.pdf
- Prop 65 Warning:
- Yes
- Size:
- 3 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Current Rating:
- 40 A
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 18 kA at 480/600 VAC
MSRP $500.00Surplus $558.60 -
Eaton GD3040 Molded Case Breakers (MCCBs) EA
MSRP $980.23Surplus $308.00SKU: C15-9030 Brand: Eaton MPN: GD3040 UPC: Shipping Weight: 2.10 lbs. Shipping Height: 4.00 In. Shipping Length: 7.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-9030
- Current Rating:
- 40 A
- Short Description:
- 480 VAC 50/60 Hz/125/250 VDC, 40 A, 22 kA, 3-Pole, G-Frame, Molded Case, Fixed Thermal/Magnetic Trip, Circuit Breaker
- Voltage Rating:
- 480 VAC, 250 VDC
- Series:
- C, GD
- Maximum DC Voltage Rating:
- 250 V
- Installation/Operator:
- Eaton_00165_INST.pdf
- Size:
- 3 Inch Width
- Maximum AC Voltage Rating:
- 480 V
- Type:
- Molded Case, Thermal Magnetic
- Terminal Type:
- Screw Type ClA Line and Load
- Number of Poles:
- 3
- Interrupting Rating:
- 22 kA at 480 VAC, 10 kA at 250 VDC
- Catalog:
- Eaton_03771_V4T2_227_CAT.pdf
- Frame Type:
- G
- Country of Origin:
- Dominican Republic
- Approval:
- UL 489, CSA
MSRP $980.23Surplus $308.00 -
Siemens ED42B040 Molded Case Breakers (MCCBs)
MSRP $1,491.00Surplus $485.06SKU: C15-7671 Brand: Siemens MPN: ED42B040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7671
- TS PIK:
- 21333884
- Series:
- ED4
- Current Rating:
- 40 A
- Size:
- 2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Country of Origin:
- Mexico
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 18 kA at 480 VAC (UL 489), 30 kA at 250 VDC (UL 489)
- Number of Poles:
- 2
- Short Description:
- 480 VAC, 250 VDC, 40 A, 65 kA Interrupt, 2-Pole, ED4-Frame, Thermal Magnetic, Molded Case Circuit Breaker
- Frame Type:
- ED
- Voltage Rating:
- 480 VAC, 250 VDC
- Type:
- Thermal Magnetic
- Terminal Type:
- Load Lug
- Catalog:
- SiemensAG_00876_5_30_CAT.pdf
- Approval:
- UL 489
MSRP $1,491.00Surplus $485.06 -
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Square D FA24040AC Molded Case Breakers (MCCBs)
MSRP $1,050.00Surplus $800.80SKU: C15-10979 Brand: Square D MPN: FA24040AC UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-10979
- 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
- Data Sheet:
- SchneiderElectric-SquareD_04276_1_2_DATA.pdf
- Interrupting Rating:
- 18 kA at 480/600 VAC
- Approval:
- UL 489, CSA, IEC, Federal Specification W-C-375B/GEN
- Voltage Rating:
- 480 VAC, 250 VDC
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Current Rating:
- 40 A
- Number of Poles:
- 2
- Type:
- Molded Case, Thermal Magnetic, Main
- Installation:
- Plug-On
- Application:
- Construction, Commercial Building, Control Equipment Panel, Industrial Building, OEM Commercial
- Trip Setting:
- 400 A Hold, 850 A Trip
- Series:
- 650, FA
- Used On:
- I-Line Panelboard and Switchboard
MSRP $1,050.00Surplus $800.80 -
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Square D FA34040 Molded Case Breakers (MCCBs)
MSRP $699.00Surplus $148.45SKU: U00-8050 Brand: Square D MPN: FA34040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- U00-8050
- Trip Setting:
- 400 to 850 A
- Application:
- Power Distribution
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_04343_1_2_DATA.pdf
- Series:
- FA
- Type:
- Thermal Magnetic, Molded Case
- Short Description:
- 480 VAC, 250 VDC, 40 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_CAT.pdf
- Approval:
- UL, CSA
- Current Rating:
- 40 A
- Voltage Rating:
- 480 VAC, 250 VDC
- Used On:
- Class 650/651 I-Line Panelboard/Switchboard
- Interrupting Rating:
- 18 kA at 480 VAC, 10 kA at 250 VDC
- Number of Poles:
- 3
MSRP $699.00Surplus $148.45 -
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Square D FAL340201021 Molded Case Breakers (MCCBs)
MSRP $2,700.00Surplus $729.00SKU: C15-16104 Brand: Square D MPN: FAL340201021 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-16104
- Current Rating:
- 40 A
- Interrupting Rating:
- 18 kA
- Prop 65 Warning:
- Yes
- Short Description:
- 480 VAC, 250 VDC, 20 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Shunt Trip, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Voltage Rating:
- 480 VAC, 250 VDC
- Approval:
- UL, CSA, IEC
- Type:
- Molded Case, Thermal Magnetic
- Terminal Type:
- Lug
- Frame Type:
- F
- Size:
- 4.5 Inch L x 4.13 Inch W x 6 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_04455_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Maximum AC Voltage Rating (V):
- 480
- Maximum DC Voltage Rating (V):
- 250
MSRP $2,700.00Surplus $729.00 -
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Square D FAL34040 Molded Case Breakers (MCCBs)
MSRP $765.45Surplus $798.00SKU: E30-10178 Brand: Square D MPN: FAL34040 UPC: Shipping Weight: 4.55 lbs. Shipping Height: 5.00 In. Shipping Length: 8.00 In. Shipping Width: 6.00 In. Product...- SKU:
- E30-10178
- Current Rating:
- 40 A
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 18 kA at 480 VAC, 25 kA at 240 VAC, 10 kA at 250 VDC
- Frame Type:
- F
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Number of Poles:
- 3
- Series:
- FA
- Short Description:
- 480 VAC, 250 VDC, 40 A, 18/10 kA, 3-Pole, F-Frame, Unit Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_04464_1_2_DATA.pdf
- Terminal Type:
- Line Lug, Load Lug
- Catalog:
- SchneiderElectric-SquareD_00096_25_26_CAT.pdf
- Voltage Rating:
- 480 VAC, 250 VDC
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Prop 65 Warning:
- Yes
- Maximum AC Voltage Rating (V):
- 480
- Maximum DC Voltage Rating (V):
- 250
- Approval:
- UL, CSA
MSRP $765.45Surplus $798.00
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