Square D FA24090AC - 90 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA24090AC, a 90 A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for steady performance, this thermal-magnetic device combines fast plug-in installation with precise, repeatable trip behavior, making it a reliable choice for residential spaces, commercial settings, and light industrial applications.

• Fast plug-in connection for quick installation and hassle-free replacements, minimizing downtime on service calls or routine panel maintenance.
• Thermal-magnetic trip unit provides stable, repeatable protection across a range of fault currents and ambient temperatures, helping to prevent nuisance trips while safeguarding wiring and devices.
• OEM-compatible design ensures reliable fit and coordinated protection when paired with matching Square D load centers and panelboards.
• Versatile application ideal for residential, commercial, and light industrial circuits that require solid overcurrent and short-circuit protection in a compact, plug-in form factor.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: FA24090AC
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 90 A
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the FA24090AC? When you need robust protection for higher-current branch circuits without sacrificing installation efficiency, this two-pole plug-in breaker delivers. The thermal-magnetic design actively responds to overloads and short circuits, providing dependable protection that helps preserve equipment and wiring in panelboards and load centers. Its plug-in form factor reduces service time and simplifies replacement, making it a practical choice for ongoing maintenance and upgrades in both new installations and retrofit projects.

Who is this ideal for? Electricians tackling commercial or light industrial panels, property managers maintaining multi-unit facilities, and contractors delivering reliable, code-compliant protection in residential builds. The FA24090AC is purpose-built to slot into matching OEM configurations, ensuring consistent trip characteristics and compatibility across Square D panel products.