
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 KH36250 Molded Case Breakers (MCCBs)
MSRP $3,491.67Surplus $1,132.78SKU: U00-8261 Brand: Square D MPN: KH36250 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- U00-8261
- Voltage Rating:
- 600 VAC, 250 VDC
- Series:
- 655/825/660, KH
- Used On:
- I-Line Panelboard and Switchboard
- Installation:
- Plug-On
- Interrupting Rating:
- 65 kA at 240 VAC, 35 kA at 480 VAC, 25 kA at 600 VAC
- Short Description:
- 600 VAC, 250 VDC, 250 A, 25 kA, 3-Pole, K-Frame, I-Line Mount, Thermal Magnetic, Molded Case Circuit Breaker
- Trip Setting:
- 1250 to 2500 A
- Type:
- Molded Case, Thermal Magnetic, Main
- Application:
- Construction
- Catalog:
- SchneiderElectric-SquareD_00935_11_12_11_13_CAT.pdf
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Approval:
- UL, CSA, IEC
MSRP $3,491.67Surplus $1,132.78 -
Square D LA36250 Molded Case Breakers (MCCBs)
MSRP $6,900.00Surplus $4,588.50SKU: U00-8281 Brand: Square D MPN: LA36250 UPC: 78590142620 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8281
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
- Type:
- Thermal Magnetic
- Data Sheet:
- SchneiderElectric-SquareD_47512_1_2_DATA.pdf
- Interrupting Rating:
- 22 kA at 600 VAC
- Approval:
- UL, CSA
- Number of Poles:
- 3
- Current Rating:
- 250 A
- Short Description:
- 600 VAC, 250 VDC, 250 A, 22 kA, 3-Pole, L-Frame, ABC Phase, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Series:
- LA
- Trip Setting:
- 1250 to 2500 A
- Voltage Rating:
- 600 VAC, 250 VDC
- Prop 65 Warning:
- Yes
- Used On:
- I-Line Panelboard and Switchboard
- Application:
- Power Distribution
- Country of Origin:
- Mexico
MSRP $6,900.00Surplus $4,588.50 -
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Square D LAL362501021 Molded Case Breakers (MCCBs)
MSRP $8,174.00Surplus $2,206.98SKU: C15-16789 Brand: Square D MPN: LAL362501021 UPC: 78590133946 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-16789
- Installation/Operator:
- SchneiderElectric-SquareD_01906_INST.pdf
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 250 A, 22 kA, 3-Pole, L-Frame, Unit Mount, Line/Load Lug Terminal, Thermal Magnetic, Adjustable, Molded Case Circuit Breaker with Shunt Trip
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Terminal Type:
- Line/Load Lug
- Maximum AC Voltage Rating:
- 600 V
- Series:
- LA
- Frame Type:
- L
- Interrupting Rating:
- 22 kA at 600 VAC, 10 kA at 250 VDC
- Current Rating:
- 250 A
- Catalog:
- SchneiderElectric-SquareD_32357_7_37_CAT.pdf
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Adjustable
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Size:
- 6 Inch Width x 5.84 Inch Depth x 11 Inch Height
- Data Sheet:
- SchneiderElectric_14549_1_2_DATA.pdf
- Approval:
- UL, CSA
- Maximum DC Voltage Rating:
- 250 V
MSRP $8,174.00Surplus $2,206.98 -
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Square D LH36250 Molded Case Breakers (MCCBs)
MSRP $6,224.00Surplus $5,880.00SKU: C15-10819 Brand: Square D MPN: LH36250 UPC: 78590133940 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10819
- TS PIK:
- 115345732
- Data Sheet:
- SchneiderElectric-SquareD_47562_1_2_DATA.pdf
- Application:
- Power Distribution
- Approval:
- UL, CSA
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
- Used On:
- I-Line Panelboard and Switchboard
- Trip Setting:
- 1250 to 2500 A
- Installation/Operator:
- SchneiderElectric-Telemecanique_00325_INST.pdf
- Number of Poles:
- 3
- Short Description:
- 600 VAC, 250 VDC, 250 A, 25 kA, 3-Pole, L-Frame, Line Lug Load Terminal, Thermal Magnetic, Panelboard Molded Case Circuit Breaker
- Current Rating:
- 250 A
- Series:
- LH
- Type:
- Thermal Magnetic
- Interrupting Rating:
- 25 kA at 600 VAC
- Voltage Rating:
- 600 VAC, 250 VDC
- Prop 65 Warning:
- Yes
MSRP $6,224.00Surplus $5,880.00 -
Square D LHL36250 Molded Case Breakers (MCCBs)
MSRP $7,598.00Surplus $3,510.00SKU: C15-7725 Brand: Square D MPN: LHL36250 UPC: 78590133936 Shipping Weight: 15.20 lbs. Shipping Height: 8.00 In. Shipping Length: 15.00 In. Shipping Width: 7.00 In...- SKU:
- C15-7725
- TS PIK:
- 21263438
- Size:
- 6 Inch Width x 5.84 Inch Depth x 11 Inch Height
- Catalog:
- SchneiderElectric-SquareD_32357_7_37_CAT.pdf
- CAD Drawings:
- SchneiderElectric-SquareD_74682_1_CAD.pdf
- Type:
- Thermal Magnetic, High Interrupting
- Number of Poles:
- 3
- Interrupting Rating:
- 25 kA at 600 VAC, 50 kA at 250 VDC
- Maximum AC Voltage Rating:
- 600 V
- Terminal Type:
- Line/Load Lug
- Maximum DC Voltage Rating:
- 250 V
- Data Sheet:
- SchneiderElectric-SquareD_69836_1_2_DATA.pdf
- Series:
- LHL
- Voltage Rating:
- 600 VAC 50/60 Hertz, 250 VDC
- Frame Type:
- L
- Short Description:
- 600 VAC 50/60 Hz, 250 VDC, 250 A, 25 kA, 3-Pole, L-Frame, Unit Mount, Line/Load Lug Terminal, Thermal Magnetic, High Interrupting, Molded Case Circuit Breaker
- Current Rating:
- 250 A
- Country of Origin:
- Mexico
- Approval:
- UL, CSA
MSRP $7,598.00Surplus $3,510.00 -
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Square D LJA36250U33X Molded Case Breakers (MCCBs)
MSRP $6,941.00Surplus $1,874.07SKU: C15-16853 Brand: Square D MPN: LJA36250U33X UPC: 78590100790 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00...- SKU:
- C15-16853
- Short Description:
- 600 VAC, 250 VDC, 250 A, 25 kA, 3-Pole, L-Frame, ABC Phase, Line Lug Load, Thermal Magnetic, Electronic, Standard, Micrologic 3.3 S, LSI, Panelboard Molded Case Circuit Breaker
- Series:
- LJ
- Voltage Rating:
- 600 VAC, 250 VDC
- Current Rating:
- 250 A
- Number of Poles:
- 3
- Approval:
- UL, CSA
- Type:
- Thermal Magnetic, Electronic, Standard, Micrologic 3.3 S, LSI
- Interrupting Rating:
- 25 kA at 600 VAC, 20 kA at 250 VDC
- Used On:
- I-Line Panelboard and Switchboard
- Data Sheet:
- SchneiderElectric-SquareD_69848_1-3_DATA.pdf
- Application:
- Power Distribution
- Catalog:
- SchneiderElectric-SquareD_32357_9_61_CAT.pdf
MSRP $6,941.00Surplus $1,874.07 -
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Square D N3250KAMB Other Circuit Breakers
MSRP $96.86Surplus $20.99SKU: C15-11560 Brand: Square D MPN: N3250KAMB UPC: Shipping Weight: 19.85 lbs. Shipping Height: 14.00 In. Shipping Length: 25.00 In. Shipping Width: 7.00 In...- SKU:
- C15-11560
- Number of Poles:
- 3
- Voltage Rating:
- 480 VAC Star/277 VAC
- Data Sheet:
- SQAREDE85050_1.pdf
- Type:
- Main
- Current Rating:
- 250 A
- Short Description:
- 480 VAC Star 277 VAC, 250 A, 3-Pole, Panelboard Main Breaker Kit,
- Catalog:
- SQAREDE62281_3.pdf
MSRP $96.86Surplus $20.99 -
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Square D QBL32250 Molded Case Breakers (MCCBs)
MSRP $1,344.00Surplus $362.88SKU: C15-18834 Brand: Square D MPN: QBL32250 UPC: 78590190723 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18834
- Prop 65 Warning:
- Yes
- Current Rating:
- 250 A
- Voltage Rating:
- 240 VAC
- Short Description:
- 240 VAC, 250 A, 10 kA Interrupt, 3-Pole, Q-Frame, Line/Load Lug Terminal, Thermal Magnetic, Molded Case Circuit Breaker
- Interrupting Rating:
- 10 kA at 240 VAC (UL/CSA/NOM), 10/5 kA at 240 VAC (IEC)
- Series:
- QB
- Size:
- 4.5 Inch W x 3.93 Inch D x 6.47 Inch H
- Number of Poles:
- 3
- Frame Type:
- Q
- Terminal Type:
- Line Lug, Load Lug
- Catalog:
- SchneiderElectric_00260_7_36_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_14666_1_2_DATA.pdf
- Approval:
- UL, CSA, CE
- Maximum AC Voltage Rating:
- 240 V
- Type:
- Molded Case, Thermal Magnetic
MSRP $1,344.00Surplus $362.88 -
Square D QDL32250 Molded Case Breakers (MCCBs)
MSRP $1,832.00Surplus $1,218.28SKU: C15-10860 Brand: Square D MPN: QDL32250 UPC: 78590154290 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10860
- TS PIK:
- 119982653
- Approval:
- UL, CSA
- Prop 65 Warning:
- Yes
- Voltage Rating:
- 240 VAC at 50/60 Hz (UL/CSA/NOM), 240 VAC (IEC)
- Wire Size:
- 4 AWG to 300 KCMIL (Aluminum/Copper)
- CAD Drawings:
- SchneiderElectric-SquareD_17838_1_CAD.pdf
- Size:
- 4.5 Inch W x 3.93 Inch D x 6.47 Inch H
- Type:
- Thermal Magnetic, Molded Case
- Interrupting Rating:
- 25 kA at 240 VAC (UL/CSA/NOM), 10 kA at 240 VAC (IEC)
- Number of Poles:
- 3
- Short Description:
- 240 VAC, 250 A, 25 kA Interrupt, 3-Pole, Unit Mount, Line/Load Lug Terminal, Q-Frame, Thermal Magnetic, Molded Case Circuit Breaker
- Terminal Type:
- Line Lug, Load Lug
- Installation/Operator:
- SchneiderElectric-SquareD_00130_INST.pdf
- Current Rating:
- 250 A
- Catalog:
- SchneiderElectric-SquareD_08286_5-8_CAT.pdf
- Used On:
- Panelboard/Switchboard
- Data Sheet:
- SchneiderElectric-SquareD_14719_1_2_DATA.pdf
- Country of Origin:
- Mexico
MSRP $1,832.00Surplus $1,218.28 -
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Unbranded HMCP250W5C Motor Circuit Protector (MCPs) 250A
MSRP $3,137.51Surplus $896.40Unbranded HMCP250W5C Motor Circuit Protector (MCPs) 250A​ ARCA SKU: C15-8930 Brand: Unbranded MPN: HMCP250W5C UPC: 78667915036 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In...- SKU:
- C15-8930
- TS PIK:
- 115927046
- Series:
- C, HMCP
- Frame Type:
- J
- Number of Poles:
- 3
- Catalog:
- Eaton_27487_V4T2_394_V4T2_395_V4T2_401_CAT.pdf
- Maximum DC Voltage Rating:
- 250 V
- Voltage Rating:
- 600 VAC, 250 VDC
- Current Rating:
- 250 A
- Short Description:
- 600 VAC, 250 VDC, 250 A, 1250 to 2500 A Trip, 96.2 to 204 A FLA, 3-Pole, NEMA 5, Non-Aluminum Line and Load Terminal, J Frame, Magnetic, Molded Case, Motor Circuit Protector
- Type:
- Molded Case, Magnetic
- Terminal Type:
- Non-Aluminum Line and Load Terminal
- Size:
- 4.06 Inch Width x 4.13 Inch Depth x 10 Inch Height
- Maximum AC Voltage Rating:
- 600 V
MSRP $3,137.51Surplus $896.40
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