Square D EJB24080 - 80 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D EJB24080 is a dependable 80 A, 480 V, 2-pole bolt-on molded case circuit breaker designed to safeguard your electrical system with precision. Built for branch-circuit overcurrent and short-circuit protection, it integrates seamlessly into panelboards and load centers, delivering consistent performance in demanding environments.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that helps prevent loose contacts and intermittent trips in vibrating or compact installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection by automatically responding to both sustained overloads and instantaneous short circuits for reliable circuit safety.
• OEM-compatible design is engineered to pair with matching Square D load centers and panelboards, ensuring a cohesive, compliant protection solution.
• Versatile for multiple sectors suited for residential, commercial, and light industrial applications where dependable branch-circuit protection is essential.

Technical specifications

• Manufacturer: Square D
• Part number: EJB24080
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 80 A
• Voltage rating: 480 V
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Medium-duty feeders in commercial lighting and receptacle circuits where consistent protection is critical.
• Panelboard and load center upgrades in light industrial controls that demand robust, vibration-tolerant connections.
• Retrofits or replacements in established electrical systems that require a compatible, OEM-aligned 2-pole breaker.

Installation and compatibility tips

• Pair this breaker with matching Square D OEM panelboards for guaranteed fit and protection performance.
• Follow manufacturer torque specifications for bolt-on mounting to ensure a secure bus connection and optimal heat dissipation.
• Use in applications where 80 A circuits run at up to 480 V, keeping in mind conductor sizing and available short-circuit current in the electrical room.

Whether stocking spare parts for a commercial facility or upgrading a panelboard in a light industrial setting, the Square D EJB24080 delivers trustworthy overcurrent and short-circuit protection with a focus on reliability and precise trip response. Available from AmpState, this breaker helps you maintain safe, compliant electrical distribution with a component you can trust to perform when it matters most.