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 EJB34050 Miniature Circuit Breakers (MCBs)
MSRP $1,197.94Surplus $811.12SKU: C15-7078 Brand: Square D MPN: EJB34050 UPC: 78590133523 Shipping Weight: 4.10 lbs. Shipping Height: 1.00 In. Shipping Length: 6.00 In. Shipping Width: 5.00 In...- SKU:
- C15-7078
- TS PIK:
- 120071557
- Series:
- EJB
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Branch, Miniature
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Short Description:
- 480 Star/277 VAC, 50 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Voltage Rating:
- 480 Star/277 VAC
- Used On:
- NF Merchandised Panelboard
- Data Sheet:
- SchneiderElectric-SquareD_45736_1_2_DATA.pdf
- Number of Poles:
- 3
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Country of Origin:
- Mexico
MSRP $1,197.94Surplus $811.12 -
Square D EDB34050 Molded Case Breakers (MCCBs) 3P 50A
MSRP $910.71Surplus $449.01Square D EDB34050 Molded Case Breakers (MCCBs) 3P 50A​ ARCA SKU: C15-6612 Brand: Square D MPN: EDB34050 UPC: Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping...- SKU:
- C15-6612
- TS PIK:
- 116335203
- Current Rating:
- 50 A
- Voltage Rating:
- 480 Star/277 VAC
- Type:
- Thermal Magnetic, Branch, Miniature
- Number of Poles:
- 3
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Interrupting Rating:
- 18 kA at 480 Star/277 VAC
- Data Sheet:
- SchneiderElectric-SquareD_45618_1_2_DATA.pdf
- Series:
- EDB
- Short Description:
- 480 Star/277 VAC, 50 A, 18 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Country of Origin:
- Mexico
- Approval:
- UL (Canada and US)
- Used On:
- NF Merchandised Panelboard
- Installation:
- Bolt-On
- Application:
- Lighting
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
MSRP $910.71Surplus $449.01 -
Square D EGB34050 Miniature Circuit Breakers (MCBs) 480/277V
MSRP $1,247.10Surplus $414.22SKU: 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 $1,247.10Surplus $414.22 -
Contact Us For Quote
Square D EJB34050SA Molded Case Breakers (MCCBs)
MSRP $4,335.74Surplus $1,170.65SKU: C15-18726 Brand: Square D MPN: EJB34050SA UPC: 78590164865 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18726
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45737_1_2_DATA.pdf
- Used On:
- NF Merchandised Panelboard
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Series:
- EJB
- Number of Poles:
- 3
- Installation:
- Bolt-On
- Short Description:
- 480 Star/277 VAC, 50 A, 65 kA, 3-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker with Shunt Trip Package
- Voltage Rating:
- 480 Star/277 VAC
- Current Rating:
- 50 A
- Type:
- Thermal Magnetic, Branch, Miniature
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Application:
- Lighting
- Approval:
- UL (Canada and US)
MSRP $4,335.74Surplus $1,170.65
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.
