Square D FA24045AB - 45 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA24045AB — a 45 A, 2-pole plug-in molded case circuit breaker built to protect your panelboards and load centers from overcurrent and short circuits. With a fast plug-in connection, this unit minimizes downtime during installation or replacement, keeping electrical systems up and running with confidence.

• Fast plug-in connection for quick installation or replacement—minimizing panel downtime.
• Thermal-magnetic trip for stable, repeatable protection against overloads and short circuits.
• 2-pole design ensures simultaneous disconnection of both conductors for enhanced safety and code compliance.
• OEM-compatible—designed to fit matching Square D load centers and panelboards, ensuring reliable fit and performance.
• 45 A rating with molded case construction for dependable branch-circuit protection in various settings.
• Plug-in mounting—a straightforward, secure installation in compatible panel services.

Designed for versatility, this FA24045AB is suitable for:

• Residential panelboards and load centers needing reliable protection for branch circuits.
• Commercial panels and light industrial distributions where quick replacement and consistent trip performance matter.
• Upgrading aging protection or replacing a failed circuit breaker with an exact OEM match to preserve panel labeling and compatibility.

Technical snapshot

• Manufacturer: Square D
• Part Number: FA24045AB
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 45 A
• Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this matters: Choosing the FA24045AB means you get an OEM-grade component that fits and performs as intended within your Square D panelboard ecosystem. The combination of a fast-plug connection, reliable trip technology, and a two-pole design translates into quicker service, safer disconnections, and long-term protection for your electrical system.

If you’re upgrading, replacing, or specifying parts for a residential or light commercial installation, trust Square D FA24045AB to deliver predictable protection—the kind that electricians count on day in and day out. Available through AmpState as a genuine OEM option designed to integrate smoothly with your existing panelboard investments.