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 LAL36400 Molded Case Breakers (MCCBs)
MSRP $3,741.39Surplus $3,271.04SKU: C15-7720 Brand: Square D MPN: LAL36400 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7720
- TS PIK:
- 21332364
- Series:
- LA
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Frame Type:
- L
- Data Sheet:
- SchneiderElectric_14560_1_2_DATA.pdf
- Current Rating:
- 400 A
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Number of Poles:
- 3
- Maximum DC Voltage Rating:
- 250 V
- Installation/Operator:
- SchneiderElectric-SquareD_01906_INST.pdf
- Terminal Type:
- Line/Load Lug
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 6 Inch Width x 5.84 Inch Depth x 11 Inch Height
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 400 A, 22 kA, 3-Pole, L-Frame, Unit Mount, Line/Load Lug Terminal, Thermal Magnetic, Adjustable, Molded Case Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_7_37_CAT.pdf
- Type:
- Thermal Magnetic, Adjustable
- Interrupting Rating:
- 22 kA at 600 VAC, 10 kA at 250 VDC
- Country of Origin:
- United States
MSRP $3,741.39Surplus $3,271.04 -
Contact Us For Quote
Square D LAP36250MB Molded Case Breakers (MCCBs)
MSRP $3,257.81Surplus $1,511.16SKU: C15-7742 Brand: Square D MPN: LAP36250MB UPC: 78590153004 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7742
- TS PIK:
- 111090134
- Series:
- 601, LAP
- Voltage Rating:
- 600 V AC, 250 V DC
- Short Description:
- 600 V, 250 A, 3-Pole, Short Handle, Line/Load Lug Terminal, Unit Mount, Magnetic Trip, Molded Case Circuit Breaker
- Frame Type:
- L
MSRP $3,257.81Surplus $1,511.16 -
Contact Us For Quote
Square D LAP36400MB Molded Case Breakers (MCCBs)
MSRP $3,524.24Surplus $1,127.48SKU: C15-7743 Brand: Square D MPN: LAP36400MB UPC: 78590165038 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-7743
- TS PIK:
- 111091888
- Frame Type:
- L
- Type:
- Thermal Magnetic, Automatic
- Catalog:
- SchneiderElectric-SquareD_08285_3_9_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_00138_INST.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 V AC, 250 V DC
- Interrupting Rating:
- 42 kA at 240 V AC, 30 kA at 480 V AC, 22 kA at 600 V AC, 10 kA at 125/250 V DC
- Current Rating:
- 400 A
- Terminal Type:
- OFF End Lug
- Data Sheet:
- SchneiderElectric-SquareD_08747_1_2_DATA.pdf
MSRP $3,524.24Surplus $1,127.48 -
Square D LAP36400MB1021 Molded Case Breakers (MCCBs)
MSRP $5,525.00Surplus $1,297.90SKU: C15-7794 Brand: Square D MPN: LAP36400MB1021 UPC: 78590178894 Shipping Weight: 16.50 lbs. Shipping Height: 9.00 In. Shipping Length: 18.00 In. Shipping Width: 12...- SKU:
- C15-7794
- TS PIK:
- 21261840
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Terminal Type:
- OFF End Lug
- Series:
- 600, LAP
- Frame Type:
- L
- Short Description:
- 600 VAC, 250 VDC, 400 A, 42 kA Interrupt, 3-Pole, Line/Load Lug Terminal, I-Line Mount, AC Shunt Trip, Short Handle, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 42 kA at 240 VAC, 30 kA at 480 VAC, 22 kA at 600 VAC, 10 kA at 125/250 VDC
- Data Sheet:
- SchneiderElectric_04399_1_2_DATA.pdf
- Voltage Rating:
- 600 VAC, 250 VDC
- Type:
- Thermal Magnetic, Automatic
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
MSRP $5,525.00Surplus $1,297.90 -
Square D LC36350 Molded Case Breakers (MCCBs)
MSRP $12,920.00Surplus $2,656.29SKU: C15-7795 Brand: Square D MPN: LC36350 UPC: Shipping Weight: 26.60 lbs. Shipping Height: 10.00 In. Shipping Length: 18.00 In. Shipping Width: 12.00 In. Product...- SKU:
- C15-7795
- Number of Poles:
- 3
- Type:
- Molded Case
- Data Sheet:
- SchneiderElectric-SquareD_04829_1_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_00938_13_16_CAT.pdf
- Current Rating:
- 350 A
- Series:
- LC
- Voltage Rating:
- 240/480/600 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 600 VAC Star/347 VAC at 50/60 Hz (UL/CSA/NOM), 415 VAC at 50/60 Hz (IEC)
- Short Description:
- 600 VAC, 350 A, 3-Pole, L-Frame, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 100 kA at 240 VAC, 65 kA at 480 VAC Star/277 VAC or 480 VAC, 35 kA at 600 VAC Star/347 VAC or 600 VAC (UL/CSA/NOM); 65 kA at 415 VAC (IEC)
- Prop 65 Warning:
- Yes
MSRP $12,920.00Surplus $2,656.29 -
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Square D LCP36600 Molded Case Breakers (MCCBs)
MSRP $6,270.00Surplus $1,490.32SKU: C15-7796 Brand: Square D MPN: LCP36600 UPC: Shipping Weight: 24.15 lbs. Shipping Height: 12.00 In. Shipping Length: 15.00 In. Shipping Width: 12.00 In. Product...- SKU:
- C15-7796
MSRP $6,270.00Surplus $1,490.32 -
Square D LDL36400U31X Molded Case Breakers (MCCBs) EA
MSRP $4,827.00Surplus $3,177.37SKU: C15-10807 Brand: Square D MPN: LDL36400U31X UPC: 78590108330 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10807
- TS PIK:
- 124983949
- Prop 65 Warning:
- Yes
- Current Rating:
- 400 A
- Frame Type:
- L
- Series:
- LDL36
- Number of Poles:
- 3
- Interrupting Rating:
- 25 kA at 240 VAC, 18 kA at 480 VAC, 14 kA at 600 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_00106_INST.pdf
- Voltage Rating:
- 600 VAC at 50/60 Hz
- Maximum AC Voltage Rating:
- 600 V
- Size:
- 5.51 Inch W x 4.33 Inch D x 13.38 Inch H
- Type:
- Molded Case, Electronic Trip
- Catalog:
- SchneiderElectric_00257_7_38_7_64_CAT.pdf
- Terminal Type:
- Line Lug, Load Lug
- Short Description:
- 600 VAC 50/60 Hz, 400 A, 14 kA Interrupt, 3-Pole, L-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Micrologic LI Trip, Molded Case Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_13832_1_2_DATA.pdf
- Country of Origin:
- United States
MSRP $4,827.00Surplus $3,177.37 -
Square D LDL36400U33X Molded Case Breakers (MCCBs) EA
MSRP $5,391.00Surplus $3,064.50SKU: C15-10808 Brand: Square D MPN: LDL36400U33X UPC: 78590195435 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10808
- TS PIK:
- 127199324
- Country of Origin:
- Mexico
- Prop 65 Warning:
- Yes
MSRP $5,391.00Surplus $3,064.50 -
Square D LDL36600U31X Molded Case Breakers (MCCBs) EA
MSRP $7,109.00Surplus $3,741.06SKU: C15-10809 Brand: Square D MPN: LDL36600U31X UPC: 78590162670 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10809
- TS PIK:
- 124984906
- Prop 65 Warning:
- Yes
- Country of Origin:
- United States
MSRP $7,109.00Surplus $3,741.06 -
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Square D LE36150LSG Molded Case Breakers (MCCBs) LE 3P 150A 600V 50/60Hz 3Ph
MSRP $19,950.00Surplus $3,994.36SKU: C15-4674 Brand: Square D MPN: LE36150LSG UPC: Shipping Weight: 26.45 lbs. Shipping Height: 8.00 In. Shipping Length: 14.00 In. Shipping Width: 9.00 In. Product...- SKU:
- C15-4674
- Approval:
- UL
- Approval:
- CSA
- Approval:
- IEC
- Amps:
- 150 A
- Installation:
- Plug-On
- Interrupting Rating:
- 100 kA at 240 V AC
- Interrupting Rating:
- 65 Kiloamp at 480 Volt AC
- Interrupting Rating:
- 35 Kiloamp at 600 Volt AC
- Poles:
- 3
- Trip Setting:
- 0
- Type:
- Molded Case
- Type:
- Electronic Trip
- Type:
- Main
- Used On:
- I-Line Panelboard and Switchboard
- Volts:
- 600 VAC
- Short Description:
- 600 VAC, 150 A, 35 kA, 3-Pole, L-Frame, I-Line Mount, Molded Case Circuit Breaker
- Series:
- 600/665/736/830, LE
- Data Sheet:
- images.trad ...
- Voltage Rating:
- 600 V AC
- Catalog:
- SchneiderElectric-SquareD_00935_11_14_11_16_CAT.pdf
- Current Rating:
- 150 A
- Number of Poles:
- 3
MSRP $19,950.00Surplus $3,994.36 -
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Square D LE36175LI Molded Case Breakers (MCCBs)
MSRP $1,500.00Surplus $963.34Square D LE36175LI Molded Case Breakers (MCCBs)​ ARCA SKU: C15-6900 Brand: Square D MPN: LE36175LI UPC: Shipping Weight: 26.50 lbs. Shipping Height: 6.00 In. Shipping...- SKU:
- C15-6900
- Number of Poles:
- 3
MSRP $1,500.00Surplus $963.34 -
Square D LGA36400U31X Molded Case Breakers (MCCBs) LGA 3P 400A 600V 50/60Hz 3Ph
MSRP $5,699.00Surplus $4,039.21SKU: C15-2812 Brand: Square D MPN: LGA36400U31X UPC: 785901644972 Shipping Weight: 15.50 lbs. Shipping Height: 8.00 In. Shipping Length: 15.00 In. Shipping Width: 8...- SKU:
- C15-2812
- Series:
- LG
- Type:
- Thermal Magnetic
- Type:
- Electronic
- Type:
- Standard
- Type:
- Micrologic 3.3
- Type:
- LI
- Approval:
- UL
- Approval:
- CSA
- Volts:
- 600 VAC
- Volts:
- 250 VDC
- Amps:
- 32 A
- Used On:
- I-Line Panelboard and Switchboard
- Poles:
- 3
- Interrupting Rating:
- 18 kA at 600 VAC
- Interrupting Rating:
- 20 kA at 250 Volt DC
- Application:
- Power Distribution
- Short Description:
- 600 VAC, 250 VDC, 400 A, 18 kA, 3-Pole, L-Frame, ABC Phase, Line Lug Load, Thermal Magnetic, Electronic, Standard, Micrologic 3.3, LI
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
- Data Sheet:
- SchneiderElectric_14613_1-3_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01976_INST.pdf
- CAD Drawing:
- SchneiderElectric_29999_1_CAD.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- Number of Poles:
- 3
- Voltage Rating:
- 600 VAC
- CAD Drawings:
- SchneiderElectric_29999_1_CAD.pdf
- Current Rating:
- 400 A
- Prop 65 Warning:
- Yes
- Country of Origin:
- Mexico
MSRP $5,699.00Surplus $4,039.21 -
Square D LGA36400U33X Molded Case Breakers (MCCBs)
MSRP $5,969.00Surplus $3,903.93SKU: C15-10811 Brand: Square D MPN: LGA36400U33X UPC: 78590180928 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10811
- TS PIK:
- 124821618
- Number of Poles:
- 3
- Current Rating:
- 400 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Series:
- LG
- Interrupting Rating:
- 18 kA at 600 VAC, 20 kA at 250 VDC
- Type:
- Thermal Magnetic, Electronic, Standard, Micrologic 3.3 S, LSI
- Installation/Operator:
- SchneiderElectric-SquareD_01976_INST.pdf
- Data Sheet:
- SchneiderElectric_14616_1-3_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
- Short Description:
- 600 VAC, 250 VDC, 400 A, 18 kA, 3-Pole, L-Frame, ABC Phase, Line Lug Load, Thermal Magnetic, Electronic, Standard, Micrologic 3.3 S, LSI, Panelboard Molded Case Circuit Breaker
- Country of Origin:
- United States
- Prop 65 Warning:
- Yes
MSRP $5,969.00Surplus $3,903.93 -
Square D LGA36600U33X Molded Case Breakers (MCCBs) EA
MSRP $8,372.00Surplus $4,522.50SKU: C15-10812 Brand: Square D MPN: LGA36600U33X UPC: 78590109337 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10812
- TS PIK:
- 126337187
- Prop 65 Warning:
- Yes
- Country of Origin:
- Canada
MSRP $8,372.00Surplus $4,522.50 -
Square D LGL36400U31X Molded Case Breakers (MCCBs) EA
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
MSRP $5,081.00Surplus $4,157.31 -
Square D LGL36400U33X Molded Case Breakers (MCCBs)
MSRP $5,674.00Surplus $3,746.25SKU: C15-10815 Brand: Square D MPN: LGL36400U33X UPC: 78590163762 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10815
- TS PIK:
- 124984913
- Country of Origin:
- United States
- Prop 65 Warning:
- Yes
MSRP $5,674.00Surplus $3,746.25 -
Square D LGL36400U43XEN Molded Case Breakers (MCCBs)
MSRP $15,499.00Surplus $2,020.09SKU: C15-8736 Brand: Square D MPN: LGL36400U43XEN UPC: Shipping Weight: 18.50 lbs. Shipping Height: 10.00 In. Shipping Length: 20.00 In. Shipping Width: 12.00 In...- SKU:
- C15-8736
MSRP $15,499.00Surplus $2,020.09 -
Square D LGL36600U31X Molded Case Breakers (MCCBs)
MSRP $7,484.00Surplus $4,592.27SKU: C15-10816 Brand: Square D MPN: LGL36600U31X UPC: 78590159443 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-10816
- TS PIK:
- 124984834
- Number of Poles:
- 3
- Maximum AC Voltage Rating:
- 600 V
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC Star/277 VAC, 35 kA at 480 VAC, 18 kA at 600 VAC Star/347 VAC, 18 kA at 600 VAC (UL/CSA/NOM), 65 kA at 240 VAC, 35 kA at 415 VAC (IEC)
- Size:
- 5.51 Inch W x 6.61 Inch D x 13.38 Inch H
- Type:
- Molded Case, Electronic Trip
- Short Description:
- 600 VAC 50/60 Hz, 600 A, 18 kA Interrupt, 3-Pole, L-Frame, Line/Load Lug Terminal, Unit Mount, Electronic Micrologic LI Trip, Molded Case Circuit Breaker
- Voltage Rating:
- 240/480/600 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz, 600 VAC Star/347 VAC at 50/60 Hz (UL/CSA/NOM), 240/415 VAC at 50/60 Hz (IEC)
- Frame Type:
- L
- Prop 65 Warning:
- Yes
- Series:
- LGL
- Current Rating:
- 600 A
- Terminal Type:
- Lug (On End, Off End)
- Installation/Operator:
- SchneiderElectric-SquareD_00106_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_13843_1_2_DATA.pdf
- Catalog:
- SchneiderElectric_00257_7_38_CAT.pdf
- Country of Origin:
- Mexico
MSRP $7,484.00Surplus $4,592.27 -
Square D LH34225MC Molded Case Breakers (MCCBs)
MSRP $4,500.00Surplus $599.50SKU: C15-8737 Brand: Square D MPN: LH34225MC UPC: Shipping Weight: 16.55 lbs. Shipping Height: 11.00 In. Shipping Length: 20.00 In. Shipping Width: 10.00 In...- SKU:
- C15-8737
MSRP $4,500.00Surplus $599.50 -
Square D LH36400 Molded Case Breakers (MCCBs)
MSRP $8,145.00Surplus $4,051.71SKU: C15-7723 Brand: Square D MPN: LH36400 UPC: 78590133943 Shipping Weight: 18.20 lbs. Shipping Height: 9.00 In. Shipping Length: 18.00 In. Shipping Width: 12.00 In...- SKU:
- C15-7723
- TS PIK:
- 21332386
- Interrupting Rating:
- 25 kA at 600 VAC
- Installation/Operator:
- SchneiderElectric-Telemecanique_00325_INST.pdf
- Type:
- Thermal Magnetic
- Data Sheet:
- SchneiderElectric-SquareD_47565_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 400 A
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Short Description:
- 600 VAC, 250 VDC, 400 A, 25 kA, 3-Pole, L-Frame, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Voltage Rating:
- 600 VAC, 250 VDC
- Series:
- LH
MSRP $8,145.00Surplus $4,051.71
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