Square D FA14020 A - 20 A, 1-Pole Plug-In Circuit Breaker | AmpState

The Square D FA14020A is a reliable 20A, 1-pole plug-in molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Its fast plug-in connection means quicker installs and easier hot-swaps during maintenance, minimizing downtime while keeping electrical systems safe and compliant.

Why the FA14020A stands out

• Fast plug-in connection enables quick installation and straightforward replacement, reducing labor time on service calls or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying temperatures and load conditions, balancing nuisance trips with dependable safety.
• 1-pole, 20A design is ideal for protecting individual branch circuits such as lighting, receptacle, or small equipment circuits in both homes and light commercial settings.
• Molded case, plug-in mounting supports clean, compact integration into existing panelboards and load centers without specialized tools.
• OEM-ready compatibility is built to work with matching Square D OEM load centers and panelboards, ensuring proper fit and electrical coordination.
• Versatile applications suitable for residential, commercial, and light industrial environments, making it a practical choice for upgrades or new installs.

Specifications at a glance

• Manufacturer: Square D
• Part Number: FA14020A
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical scenarios

• Replacing a failed 1-pole 20A breaker on an existing residential panelboard to restore lighting or outlet circuit protection without rewiring.
• Adding a dedicated protection point for a small workshop receptacle circuit in a light commercial setting.
• Upgrading aging panelboards with a plug-in solution that simplifies future maintenance and part swaps.

How it helps you make a smart electrical decision

Choosing the FA14020A means prioritizing reliable, predictable protection for your vital circuits while keeping installation straightforward. The plug-in design reduces service downtime, and the thermal-magnetic trip unit provides balanced protection against both overloads and short circuits. Its compatibility with matching OEM panelboards ensures you won’t encounter fit or coordination issues, which translates to faster, safer electrical work with long-term peace of mind.

Whether you’re a professional electrician stocking a job site or a homeowner planning a panel upgrade, the Square D FA14020A 20A, 1-pole plug-in circuit breaker delivers precise protection where you need it most—on every branch circuit that powers your lights, outlets, and essential equipment.