Square D FA22100AC - 100 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA22100AC — a 100A, 2-pole plug-in molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. With a fast plug-in connection, it simplifies installation and makes replacements quicker, reducing downtime on busy electrical projects.

Why this breaker stands out

• Thermal-magnetic trip unit delivers stable, repeatable protection by sensing both sustained overloads and sudden short-circuit events. This means your circuits stay protected across a range of loads and temperatures, while avoiding nuisance trips.
• Plug-in mounting streamlines installation and serviceability, allowing quick swaps in compatible OEM panelboards and load centers.
• Versatile for multiple environments designed for residential, commercial, and light industrial applications, making it a practical choice for a wide variety of panel configurations.

Key specifications at a glance

• Manufacturer: Square D
• Part Number: FA22100AC
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• New panel installations where rapid, reliable protection is required
• Retrofits or replacements in existing panelboards and load centers that use matching OEM breakers
• Residential service upgrades, commercial panel maintenance, and light industrial electrical environments

Practical benefits and practical tips

• Fast plug-in installation reduces on-site labor time and minimizes panel downtime during upgrades or maintenance.
• The dual-mode protection (thermal and magnetic) helps prevent overheating and minimizes the risk of damage from short circuits, supporting safer electrical systems.
• Since it’s designed to be compatible with matching OEM load centers, you can expect a cleaner, code-consistent integration when upgrading or expanding panel capacity.

Whether you’re upgrading an existing panel or configuring a new installation, the Square D FA22100AC 100A 2-pole plug-in breaker delivers reliable protection with installation efficiency. It’s a thoughtful choice for engineers, electricians, and facilities managers aiming for durable, straightforward branch circuit protection that fits your Square D load centers and panelboards.