Square D EDB24045 - 45 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Square D EDB24045—a 45A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. This isn’t just a component; it’s a strategic upgrade for safer, more predictable electrical distribution.

Why this breaker stands out

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, minimizing loosening risks in busy electrical rooms or installations with equipment movement.
• Thermal-magnetic trip unit provides stable, repeatable protection by quickly reacting to overloads and short circuits, reducing nuisance trips and downtime.
• OEM-compatible design is engineered to pair with matching Square D load centers and panelboards, ensuring seamless integration and consistent protection characteristics.
• Versatile, job-ready solution suitable for residential, commercial, and light industrial applications where 2-pole protection at 480V is required.

Technical snapshot

• Manufacturer: Square D
• Part Number: EDB24045
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Voltage Rating: 480V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical value in real-world use

• Ideal for panel builds and retrofits where a rigid, vibration-resistant connection is critical to maintain electrical integrity over time.
• Pairs effectively with existing Square D panelboards and load centers, preserving coordination and trip characteristics across the protection scheme.
• Well-suited for 480V systems in commercial spaces, light industrial facilities, and suitable residential setups that demand dependable, two-pole protection.

Practical tips for installation and optimization

• Confirm your panelboard compatibility with the EDB24045 to ensure smooth installation and optimal performance.
• When replacing older breakers, choose the bolt-on variant for enhanced mechanical stability in environments prone to vibration or impact.
• Maintain clear labeling and documentation of protective devices to support effective maintenance and future upgrades.