
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 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
- Country of Origin:
- Mexico
MSRP $1,250.00Surplus $798.00 -
Siemens ED42B050 Molded Case Breakers (MCCBs)
MSRP $1,626.00Surplus $378.30SKU: C15-7549 Brand: Siemens MPN: ED42B050 UPC: 78364320928 Shipping Weight: 2.60 lbs. Shipping Height: 3.00 In. Shipping Length: 7.00 In. Shipping Width: 6.00 In...- SKU:
- C15-7549
- TS PIK:
- 106248969
- Size:
- 2 Inch Width x 4.56 Inch Depth x 6.35 Inch Height
- Installation/Operator:
- SiemensAG_00313_INST.pdf
- Terminal Type:
- Load Lug
- Number of Poles:
- 2
- Type:
- Thermal Magnetic
- Voltage Rating:
- 480 VAC, 250 VDC
- Frame Type:
- ED
- Short Description:
- 480 VAC 50/60 Hz, 250 VDC, 50 A at 40 Deg C, 18 kA, 2-Pole, 10 to 1/0 AWG Copper/Aluminum, Load Lug Terminal, ED Frame, Thermal Magnetic Trip Unit, Molded Case Circuit Breaker
- Interrupting Rating:
- 65 kA at 240 VAC (UL 489), 18 kA at 480 VAC (UL 489), 30 kA at 250 VDC (UL 489)
- Series:
- ED4
- Catalog:
- SiemensAG_01698_17_78-17_80_CAT.pdf
- Current Rating:
- 50 A
- Country of Origin:
- Mexico
- Approval:
- UL 489
MSRP $1,626.00Surplus $378.30 -
Square D FA24050BC Molded Case Breakers (MCCBs)
MSRP $1,235.00Surplus $557.70SKU: 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
- Country of Origin:
- Mexico
MSRP $1,235.00Surplus $557.70 -
Contact Us For Quote
Square D FC34050 Molded Case Breakers (MCCBs)
MSRP $1,776.60Surplus $698.96SKU: C15-8568 Brand: Square D MPN: FC34050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8568
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC
- Short Description:
- 480 VAC, 250 VDC, 50 A, 10/18/25 kA, 3-Pole, F-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Number of Poles:
- 3
- Voltage Rating:
- 480 VAC, 250 VDC
- Current Rating:
- 50 A
- Catalog:
- SchneiderElectric-SquareD_00096_25_28_29_CAT.pdf
- Series:
- FC
- Trip Setting:
- 400 A Hold, 850 A Trip
- Application:
- Construction
- Installation:
- Plug-On
- Used On:
- I-Line Panelboard and Switchboard
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
- Type:
- Molded Case, Thermal Magnetic, Main
MSRP $1,776.60Surplus $698.96 -
Contact Us For Quote
Square D FCL34050 Molded Case Breakers (MCCBs)
MSRP $1,524.77Surplus $411.69SKU: C15-16180 Brand: Square D MPN: FCL34050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-16180
- Current Rating:
- 50 A
- Number of Poles:
- 3
- Series:
- 650, FCL
- Short Description:
- 480 VAC, 250 VDC, 50 A, 65 kA, 3-Pole, F-Frame, Individually Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Voltage Rating:
- 480 VAC, 250 VDC
- Catalog:
- SchneiderElectric-SquareD_00935_11_11_11_23_CAT.pdf
- Type:
- Thermal Magnetic
- Size:
- 4.5 Inch Width x 4.13 Inch Depth x 6 Inch Height
- Terminal Type:
- Lug
- Frame Type:
- F
- Interrupting Rating:
- 65 kA at 480 VAC
- Approval:
- UL, CSA, IEC, Federal Specification W-C-375B/GEN
- Installation/Operator:
- SchneiderElectric-SquareD_00076_INST.pdf
MSRP $1,524.77Surplus $411.69
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