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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Contact Us For Quote
Square D EGB1420 Molded Case Breakers (MCCBs) EA
MSRP $200.00Surplus $72.00Square D EGB1420 Molded Case Breakers (MCCBs) EA​ ARCA SKU: C15-9308 Brand: Square D MPN: EGB1420 UPC: Shipping Weight: 1.35 lbs. Shipping Height: 2.00 In. Shipping...- SKU:
- C15-9308
MSRP $200.00Surplus $72.00 -
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Square D EGB16020 Miniature Circuit Breakers (MCBs) 1P 20A
MSRP $206.55Surplus $74.36Square D EGB16020 Miniature Circuit Breakers (MCBs) 1P 20A​ ARCA SKU: C15-6686 Brand: Square D MPN: EGB16020 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6686
MSRP $206.55Surplus $74.36 -
Square D EGB24020 Molded Case Breakers (MCCBs) EGB 2P 20A 600V 50/60Hz 2Ph EA
MSRP $1,038.00Surplus $270.23Square D EGB24020 Molded Case Breakers (MCCBs) EGB 2P 20A 600V 50/60Hz 2Ph EA​ ARCA SKU: C15-4869 Brand: Square D MPN: EGB24020 UPC: 785901311119 Shipping Weight: 2.55 lbs. Shipping...- SKU:
- C15-4869
- Series:
- EGB
- Type:
- Thermal Magnetic
- Type:
- Branch
- Type:
- Miniature
- Approval:
- UL (Canada and US)
- Volts:
- 480 Star/277 VAC
- Amps:
- 32 A
- Used On:
- NF Merchandised Panelboard
- Poles:
- 2
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Application:
- Lighting
- Installation:
- Bolt-On
- Trip Setting:
- 270 A (Hold)
- Trip Setting:
- 875 Amp (Trip)
- Short Description:
- 480 Star/277 VAC, 20 A, 35 kA, 2-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45657_1_2_DATA.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Manufacturer Warranty:
- SchneiderElectric-SquareD_00002_WARR.pdf
- TS PIK:
- 115773402
- Voltage Rating:
- 480 Star/277 VAC
- Number of Poles:
- 2
- Current Rating:
- 20 A
- Country of Origin:
- Mexico
MSRP $1,038.00Surplus $270.23 -
Square D EGB24030 Molded Case Breakers (MCCBs) 2P 30A
MSRP $628.56Surplus $232.88Square D EGB24030 Molded Case Breakers (MCCBs) 2P 30A​ ARCA SKU: C15-6510 Brand: Square D MPN: EGB24030 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6510
- TS PIK:
- 109595017
- Short Description:
- 480 Star/277 VAC, 30 A, 35 kA, 2-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Voltage Rating:
- 480 Star/277 VAC
- Series:
- EGB
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Current Rating:
- 30 A
- Type:
- Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45659_1_2_DATA.pdf
- Number of Poles:
- 2
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Country of Origin:
- United States
MSRP $628.56Surplus $232.88 -
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Square D EGB24050 Miniature Circuit Breakers (MCBs) EA
MSRP $776.00Surplus $209.59SKU: C15-10695 Brand: Square D MPN: EGB24050 UPC: 78590132325 Shipping Weight: 2.45 lbs. Shipping Height: 4.00 In. Shipping Length: 10.00 In. Shipping Width: 6.00 In...- SKU:
- C15-10695
- TS PIK:
- 115773412
- Data Sheet:
- SchneiderElectric-SquareD_45663_1_2_DATA.pdf
- Short Description:
- 480 Star/277 VAC, 50 A, 35 kA, 2-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Number of Poles:
- 2
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Series:
- EGB
- Used On:
- NF Merchandised Panelboard
- Voltage Rating:
- 480 Star/277 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Branch, Miniature
MSRP $776.00Surplus $209.59 -
Square D EGB34015 Everything Else
MSRP $916.11Surplus $319.20SKU: C15-6414 Brand: Square D MPN: EGB34015 UPC: 78590131113 Shipping Weight: 1.66 lbs. Shipping Height: 5.66 In. Shipping Length: 2.94 In. Shipping Width: 4.05 In...- SKU:
- C15-6414
- TS PIK:
- 127909208
- Voltage Rating:
- 480 Star/277 VAC
- Number of Poles:
- 3
- Series:
- EGB
- Current Rating:
- 15 A
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Short Description:
- 480 Star/277 VAC, 15 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
- Data Sheet:
- SchneiderElectric-SquareD_45671_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
MSRP $916.11Surplus $319.20 -
Square D EGB34030 Everything Else
MSRP $916.11Surplus $385.70SKU: C15-6415 Brand: Square D MPN: EGB34030 UPC: 78590107301 Shipping Weight: 1.72 lbs. Shipping Height: 5.66 In. Shipping Length: 2.94 In. Shipping Width: 4.05 In...- SKU:
- C15-6415
- TS PIK:
- 115345453
- Short Description:
- 480 Star/277 VAC, 30 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Type:
- Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Number of Poles:
- 3
- Current Rating:
- 30 A
- Used On:
- NF Merchandised Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Voltage Rating:
- 480 Star/277 VAC
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45676_1_2_DATA.pdf
- Series:
- EGB
- Mounting:
- Bolt-On
- Country of Origin:
- Mexico
MSRP $916.11Surplus $385.70 -
Square D EGB34035 Miniature Circuit Breakers (MCBs)
MSRP $916.11Surplus $383.04SKU: C15-6571 Brand: Square D MPN: EGB34035 UPC: 78590131116 Shipping Weight: 3.15 lbs. Shipping Height: 4.00 In. Shipping Length: 6.00 In. Shipping Width: 3.00 In...- SKU:
- C15-6571
- TS PIK:
- 109595088
- Voltage Rating:
- 480 Star/277 VAC
- Type:
- Thermal Magnetic, Branch, Miniature
- Series:
- EGB
- Short Description:
- 480 Star/277 VAC, 35 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Current Rating:
- 35 A
- Number of Poles:
- 3
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45678_1_2_DATA.pdf
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Used On:
- NF Merchandised Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Country of Origin:
- Mexico
MSRP $916.11Surplus $383.04 -
Square D EGB34045 Miniature Circuit Breakers (MCBs)
MSRP $609.00Surplus $305.27SKU: C15-7758 Brand: Square D MPN: EGB34045 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In. Product...- SKU:
- C15-7758
- TS PIK:
- 21333992
- Voltage Rating:
- 480 Star/277 VAC
- Interrupting Rating:
- 35 kA at 480 Star/277 VAC
- Short Description:
- 480 Star/277 VAC, 45 A, 35 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Used On:
- NF Merchandised Panelboard
- Type:
- Thermal Magnetic, Branch, Miniature
- Series:
- EGB
- Number of Poles:
- 3
- Current Rating:
- 45 A
- Data Sheet:
- SchneiderElectric-SquareD_45681_1_2_DATA.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Approval:
- UL (Canada and US)
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Installation:
- Bolt-On
- Application:
- Lighting
MSRP $609.00Surplus $305.27 -
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
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.
