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 EJB14040 Molded Case Breakers (MCCBs)
MSRP $323.99Surplus $87.48SKU: C15-18722 Brand: Square D MPN: EJB14040 UPC: 78590113054 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-18722
- Number of Poles:
- 1
- Series:
- EJB
- Approval:
- UL (Canada and US)
- Voltage Rating:
- 277 VAC
- Application:
- Lighting
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Installation:
- Bolt-On
- Used On:
- NF Merchandised Panelboard
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Short Description:
- 277 VAC, 40 A, 65 kA, 1-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_45703_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Current Rating:
- 40 A
MSRP $323.99Surplus $87.48 -
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Square D EJB14045 Molded Case Breakers (MCCBs)
MSRP $485.98Surplus $131.22SKU: C15-15994 Brand: Square D MPN: EJB14045 UPC: 78590113055 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15994
- Current Rating:
- 45 A
- Series:
- EJB
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Number of Poles:
- 1
- Used On:
- NF Merchandised Panelboard
- Short Description:
- 277 VAC, 45 A, 65 kA, 1-Pole, E-Frame, Bolt-On Mount, Aluminum Lug Terminal, Thermal Magnetic, Branch, Miniature, Panelboard Circuit Breaker
- Installation:
- Bolt-On
- Data Sheet:
- SchneiderElectric-SquareD_45705_1_2_DATA.pdf
- Type:
- Thermal Magnetic, Branch, Miniature
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Approval:
- UL (Canada and US)
- Application:
- Lighting
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Voltage Rating:
- 277 VAC
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
MSRP $485.98Surplus $131.22 -
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Square D EJB14050 Molded Case Breakers (MCCBs)
MSRP $701.07Surplus $189.29SKU: C15-15995 Brand: Square D MPN: EJB14050 UPC: 78590113056 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15995
- Installation:
- Bolt-On
- Series:
- EJB
- Voltage Rating:
- 277 VAC
- Number of Poles:
- 1
- Data Sheet:
- SchneiderElectric-SquareD_45706_1_2_DATA.pdf
- Approval:
- UL (Canada and US)
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Short Description:
- 277 VAC, 50 A, 65 kA, 1-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
- Type:
- Thermal Magnetic, Branch, Miniature
- Current Rating:
- 50 A
- Used On:
- NF Merchandised Panelboard
- Application:
- Lighting
MSRP $701.07Surplus $189.29 -
Contact Us For Quote
Square D EJB14070 Molded Case Breakers (MCCBs)
MSRP $1,824.28Surplus $492.56SKU: C15-15996 Brand: Square D MPN: EJB14070 UPC: 78590113058 Shipping Weight: 0.00 lbs. Shipping Height: 0.00 In. Shipping Length: 0.00 In. Shipping Width: 0.00 In...- SKU:
- C15-15996
- Catalog:
- SchneiderElectric-SquareD_32357_9_31-9_33_CAT.pdf
- Data Sheet:
- SchneiderElectric-SquareD_45709_1_2_DATA.pdf
- Installation:
- Bolt-On
- Short Description:
- 277 VAC, 70 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
- Current Rating:
- 70 A
- Application:
- Lighting
- Installation/Operator:
- SchneiderElectric-SquareD_01117_INST.pdf
- Number of Poles:
- 1
- Type:
- Thermal Magnetic, Branch, Miniature
- Interrupting Rating:
- 65 kA at 480 Star/277 VAC
- Voltage Rating:
- 277 VAC
- Approval:
- UL (Canada and US)
- Trip Setting:
- 630 A (Hold), 1800 A (Trip)
- Series:
- EJB
MSRP $1,824.28Surplus $492.56
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