Square D FA24090AB - 90 A, 2-Pole Plug-In Circuit Breaker | AmpState

Upgrade or replace with confidence using the Square D FA24090AB—a 90A, 2-pole plug-in molded case circuit breaker designed to protect your most important electrical loads. Built for dependable branch circuit overcurrent and short-circuit protection, it integrates seamlessly into panelboards and loadcenters to keep systems safe and resilient.

Why this FA24090AB stands out

• Fast plug-in connection for quick installation and simple, service-friendly replacement—minimizing downtime during upgrades or maintenance.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits, helping to prevent nuisance trips while safeguarding wiring and devices.
• 2-pole design reduces potential fault paths and supports multi-wire branch circuits, providing coordinated protection across both conductors.
• OEM compatibility engineered to work with matching OEM loadcenters and panelboards, preserving electrical integrity and ensuring reliable performance.
• Versatile applications ideal for residential, commercial, and light industrial environments where dependable protection matters.

Key specifications

• Manufacturer: Square D
• Part Number: FA24090AB
• 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

Who should consider the FA24090AB? This breaker is a smart choice for electricians and maintenance teams looking to refresh service panels, upgrade aging protection, or expand capacity in homes, small offices, retail spaces, or light industrial setups. Its plug-in design reduces installation time and makes replacements straightforward, while the thermal-magnetic trip unit provides predictable, reliable response when it matters most.

Practical use cases

• Upgrading aging panelboards in single-family homes where reliable overcurrent protection is critical.
• Replacing a worn or failing breaker in residential or commercial loadcenters with minimal downtime.
• Adding or reorganizing branch circuits in small offices or retail environments without complicated wiring changes.
• Maintenance testing and service work requiring quick, firm protection for newly wired or expanded circuits.

Installed by professionals or capable DIY installers, the Square D FA24090AB offers a tangible combination of speed, safety, and compatibility. When you’re stocking your electrical toolkit, look to AmpState for genuine Square D components designed to keep panel systems robust and ready for the next project.