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 EGB34050 Miniature Circuit Breakers (MCBs) 480/277V
MSRP $916.11Surplus $304.28SKU: C15-6363 Brand: Square D MPN: EGB34050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6363
- TS PIK:
- 120251318
- Number of Poles:
- 3
- Short Description:
- 480 Star/277 VAC, 50 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Voltage Rating:
- 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45682_1_2_DATA.pdf
- Current Rating:
- 50 A
- Series:
- EGB
- Type:
- Thermal Magnetic, Branch, Miniature
- Used On:
- NF Merchandised Panelboard
- Mounting:
- Bolt-On
MSRP $916.11Surplus $304.28 -
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Square D EGB34060 Miniature Circuit Breakers (MCBs)
MSRP $916.11Surplus $391.74SKU: C15-6364 Brand: Square D MPN: EGB34060 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-6364
- TS PIK:
- 119311744
- Short Description:
- 480 Star/277 VAC, 60 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Data Sheet:
- SchneiderElectric-SquareD_45684_1_2_DATA.pdf
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Number of Poles:
- 3
- Type:
- Thermal Magnetic, Branch, Miniature
- Used On:
- NF Merchandised Panelboard
- Voltage Rating:
- 480 Star/277 VAC
- Series:
- EGB
- Current Rating:
- 60 A
MSRP $916.11Surplus $391.74 -
Square D EGB34090 Miniature Circuit Breakers (MCBs)
MSRP $1,292.00Surplus $515.77Square D EGB34090 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-7759 Brand: Square D MPN: EGB34090 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7759
- Short Description:
- 480 Star/277 VAC, 90 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Series:
- EGB
- Data Sheet:
- SchneiderElectric-SquareD_45690_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Used On:
- NF Merchandised Panelboard
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Voltage Rating:
- 480 Star/277 VAC
- Number of Poles:
- 3
- Current Rating:
- 90 A
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
MSRP $1,292.00Surplus $515.77 -
Square D EGB34100 Miniature Circuit Breakers (MCBs)
MSRP $1,292.00Surplus $518.83Square D EGB34100 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-7760 Brand: Square D MPN: EGB34100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7760
- TS PIK:
- 21333922
- Type:
- Thermal Magnetic, Branch, Miniature
- Series:
- EGB
- Used On:
- NF Merchandised Panelboard
- Number of Poles:
- 3
- Voltage Rating:
- 480 Star/277 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Short Description:
- 480 Star/277 VAC, 100 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Current Rating:
- 100 A
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45691_1_2_DATA.pdf
MSRP $1,292.00Surplus $518.83 -
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Square D EGB34110
MSRP $1,830.90Surplus $1,217.55SKU: U00-8010 Brand: Square D MPN: EGB34110 UPC: 78590113048 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- U00-8010
MSRP $1,830.90Surplus $1,217.55 -
Square D EGB34125 Miniature Circuit Breakers (MCBs)
MSRP $3,216.00Surplus $1,582.20SKU: C15-7761 Brand: Square D MPN: EGB34125 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7761
- Short Description:
- 480 Star/277 VAC, 125 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Voltage Rating:
- 480 Star/277 VAC
- Current Rating:
- 125 A
- Series:
- EGB
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Number of Poles:
- 3
- Used On:
- NF Merchandised Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45694_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
MSRP $3,216.00Surplus $1,582.20 -
Square D EHB14020AS Other Circuit Breakers
MSRP $480.00Surplus $72.16Square D EHB14020AS Other Circuit Breakers​ ARCA SKU: C15-7060 Brand: Square D MPN: EHB14020AS UPC: Shipping Weight: 0.80 lbs. Shipping Height: 1.00 In. Shipping...- SKU:
- C15-7060
MSRP $480.00Surplus $72.16 -
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Square D EHB14030 Miniature Circuit Breakers (MCBs)
Surplus $125.00Square D EHB14030 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-8618 Brand: Square D MPN: EHB14030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-8618
Surplus $125.00 -
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Square D EHB24020 Miniature Circuit Breakers (MCBs) 2P 20A
Surplus $380.00SKU: C15-8619 Brand: Square D MPN: EHB24020 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8619
Surplus $380.00 -
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Square D EHB24060 Molded Case Breakers (MCCBs) EHB 2P 60A 480V 50/60Hz 1Ph
MSRP $399.99Surplus $462.50SKU: C15-4671 Brand: Square D MPN: EHB24060 UPC: Shipping Weight: 0.90 lbs. Shipping Height: 3.00 In. Shipping Length: 3.00 In. Shipping Width: 3.00 In. Product...- SKU:
- C15-4671
- Frame Type:
- EHB
- Voltage Rating:
- 480 V
- Current Rating:
- 60 A
- Number of Poles:
- 2
- Short Description:
- Square D, EHB Series, type EHB, 2P, 1PH, 60A, 277/480V, 14kA@277V, standard interrupting capacity, 40°C, Bolt-On, Thermal Magnetic, molded case circuit breakers
MSRP $399.99Surplus $462.50 -
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Square D EHB34020 Other Circuit Breakers
MSRP $2,000.00Surplus $690.72SKU: C15-7067 Brand: Square D MPN: EHB34020 UPC: Shipping Weight: 1.45 lbs. Shipping Height: 4.00 In. Shipping Length: 4.00 In. Shipping Width: 4.00 In. Product...- SKU:
- C15-7067
- Series:
- EHB
- Number of Poles:
- 3
- Frame Type:
- E
- Terminal Type:
- Bolt-On
- Short Description:
- 240/480 Star/277 VAC, 20 A, 65/14 kA, 3-Pole, E-Frame, Bolt-On Mount, Thermal Magnetic, Miniature Circuit Breaker
- Current Rating:
- 20 A
- Voltage Rating:
- 240 VAC at 50/60 Hz, 480 VAC Star/277 VAC at 50/60 Hz (UL/CSA)
- Size:
- 3 Inch W x 2.97 Inch D x 3.5 Inch H
- Data Sheet:
- SchneiderElectric-SquareD_04186_1_DATA.pdf
- Maximum AC Voltage Rating:
- 277 V
- Type:
- Molded Case, Thermal Magnetic
- Interrupting Rating:
- 65 kA at 240 VAC, 14 kA at 480 VAC Star/277 VAC (UL/CSA)
- Catalog:
- SchneiderElectric-SquareD_00935_11_26_CAT.pdf
MSRP $2,000.00Surplus $690.72 -
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Square D EHB34040 Miniature Circuit Breakers (MCBs)
Surplus $698.25SKU: C15-8620 Brand: Square D MPN: EHB34040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8620
Surplus $698.25 -
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Square D EHB34070 Miniature Circuit Breakers (MCBs) 3P 70A 480V
Surplus $950.00SKU: C15-8621 Brand: Square D MPN: EHB34070 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8621
Surplus $950.00 -
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Square D EHB34090 Molded Case Breakers (MCCBs)
Surplus $1,045.00SKU: C15-8596 Brand: Square D MPN: EHB34090 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8596
Surplus $1,045.00 -
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Square D EHB34100 Miniature Circuit Breakers (MCBs) 3P 100A 480V
Surplus $950.00SKU: C15-8622 Brand: Square D MPN: EHB34100 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-8622
Surplus $950.00 -
Square D EJB14030 Miniature Circuit Breakers (MCBs) EA
MSRP $400.00Surplus $164.95SKU: C15-10701 Brand: Square D MPN: EJB14030 UPC: 78590113052 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10701
- TS PIK:
- 116558688
- Current Rating:
- 30 A
- Short Description:
- 277 VAC, 30 A, 65 kA, 1-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Used On:
- NF Merchandised Panelboard
- Voltage Rating:
- 277 VAC
- Series:
- EJB
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Number of Poles:
- 1
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45700_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
MSRP $400.00Surplus $164.95 -
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Square D EJB24015 Miniature Circuit Breakers (MCBs)
MSRP $1,241.00Surplus $409.32SKU: C15-7071 Brand: Square D MPN: EJB24015 UPC: 78590110734 Shipping Weight: 2.50 lbs. Shipping Height: 4.00 In. Shipping Length: 10.00 In. Shipping Width: 7.00 In...- SKU:
- C15-7071
- TS PIK:
- 121894758
MSRP $1,241.00Surplus $409.32 -
Square D EJB24020 Molded Case Breakers (MCCBs)
MSRP $1,241.00Surplus $396.34SKU: C15-8657 Brand: Square D MPN: EJB24020 UPC: 78590133521 Shipping Weight: 1.19 lbs. Shipping Height: 5.66 In. Shipping Length: 1.96 In. Shipping Width: 4.05 In...- SKU:
- C15-8657
- TS PIK:
- 115261561
- Series:
- EJB
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Voltage Rating:
- 480 Star/277 VAC
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Current Rating:
- 20 A
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45711_1_2_DATA.pdf
- Number of Poles:
- 2
- Type:
- Thermal Magnetic, Branch, Miniature
- Short Description:
- 480 Star/277 VAC, 20 A, 65 kA, 2-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Country of Origin:
- United States
- Prop 65 Warning:
- Yes
MSRP $1,241.00Surplus $396.34 -
Square D EJB24030 Miniature Circuit Breakers (MCBs) EA
MSRP $1,241.00Surplus $451.15SKU: C15-10702 Brand: Square D MPN: EJB24030 UPC: 78590112876 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-10702
- TS PIK:
- 116558661
- Used On:
- NF Merchandised Panelboard
- Type:
- Thermal Magnetic, Branch, Miniature
- Voltage Rating:
- 480 Star/277 VAC
- Current Rating:
- 30 A
- Number of Poles:
- 2
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Short Description:
- 480 Star/277 VAC, 30 A, 65 kA, 2-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Series:
- EJB
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45713_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
MSRP $1,241.00Surplus $451.15 -
Square D EJB24040 Miniature Circuit Breakers (MCBs)
MSRP $1,241.00Surplus $365.95Square D EJB24040 Miniature Circuit Breakers (MCBs)​ ARCA SKU: C15-7762 Brand: Square D MPN: EJB24040 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-7762
MSRP $1,241.00Surplus $365.95
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