
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 LGL36400U31X Molded Case Breakers (MCCBs)
MSRP $5,081.00Surplus $4,157.31SKU: C15-10814 Brand: Square D MPN: LGL36400U31X UPC: 78590163760 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10814
- TS PIK:
- 124984911
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 18 kA Interrupt, 3-Pole, L-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Micrologic LI Trip, Molded Case Circuit Breaker
- Frame Type:
- L
- Prop 65 Warning:
- Yes
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Installation/Operator:
- SchneiderElectric-SquareD_00106_INST.pdf
- Catalog:
- SchneiderElectric_00257_7_38_CAT.pdf
- Type:
- Molded Case
- CAD Drawings:
- SchneiderElectric-SquareD_17741_1_CAD.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13842_1_2_DATA.pdf
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Load/Line Lug
- Size:
- 5.5 Inch Width x 6.61 Inch Depth x 11.3 Inch Height
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Country of Origin:
- United States
- Approval:
- UL, CSA, CE
MSRP $5,081.00Surplus $4,157.31 -
Square D MGA36400 Molded Case Breakers (MCCBs)
MSRP $8,168.00Surplus $5,921.16SKU: C15-7792 Brand: Square D MPN: MGA36400 UPC: 78590149614 Shipping Weight: 29.00 lbs. Shipping Height: 11.00 In. Shipping Length: 18.00 In. Shipping Width: 12.00...- SKU:
- C15-7792
- TS PIK:
- 21333627
- Data Sheet:
- SchneiderElectric-SquareD_70424_1-3_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_62_CAT.pdf
- Current Rating:
- 400 A
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 18 kA, 3-Pole, M-Frame, CBA Phase, Line Lug Load Terminal, Thermal Magnetic, Basic Electronic, ET 1.0, Panelboard Molded Case Circuit Breaker
- Type:
- Thermal Magnetic, Basic Electronic ET 1.0
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Series:
- MG
- Interrupting Rating:
- 18 kA at 600 VAC
- CAD Drawings:
- SchneiderElectric_30057_1_CAD.pdf
- Prop 65 Warning:
- Yes
- Application:
- Power Distribution
- Trip Setting:
- 800 to 4000 A
- Used On:
- I-Line Panelboard And Switchboard
- Approval:
- UL, CSA
- Country of Origin:
- United States
MSRP $8,168.00Surplus $5,921.16 -
Square D MJA36400 Molded Case Breakers (MCCBs)
MSRP $7,529.00Surplus $2,032.83SKU: C15-16921 Brand: Square D MPN: MJA36400 UPC: 78590157261 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-16921
- Application:
- Power Distribution
- Trip Setting:
- 800 to 4000 A
- Type:
- Thermal Magnetic, Basic Electronic ET 1.0
- CAD Drawings:
- SchneiderElectric_30157_1_CAD.pdf
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 25 kA, 3-Pole, M-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Basic Electronic, ET 1.0, Panelboard Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_62_CAT.pdf
- Approval:
- UL, CSA
- Series:
- MJ
- Used On:
- I-Line Panelboard And Switchboard
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Data Sheet:
- SchneiderElectric-SquareD_70441_1_2_DATA.pdf
- Interrupting Rating:
- 25 kA at 600 VAC
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
MSRP $7,529.00Surplus $2,032.83 -
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Square D PJA36040U44A Molded Case Breakers (MCCBs)
MSRP $18,007.00Surplus $4,861.89SKU: C15-17464 Brand: Square D MPN: PJA36040U44A UPC: 78590100296 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-17464
- Prop 65 Warning:
- Yes
- Current Rating:
- 400 A
- Number of Poles:
- 3
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 25 kA, 3-Pole, P-Frame, ABC Phase, Line Lug Load Terminal, Electronic, Ammeter, Micrologic 6.0 A, LSIG, Panelboard Molded Case Circuit Breaker
- Interrupting Rating:
- 25 kA at 600 VAC
- Approval:
- UL, CSA
- CAD Drawings:
- SchneiderElectric_30217_1_CAD.pdf
- Type:
- Electronic, Ammeter, Micrologic 6.0 A, LSIG
- Used On:
- I-Line Panelboard And Switchboard
- Application:
- Power Distribution
- Voltage Rating:
- 600 VAC 50/60 Hertz
- Data Sheet:
- SchneiderElectric-SquareD_53058_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_63_CAT.pdf
- Series:
- PJ
MSRP $18,007.00Surplus $4,861.89
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.