Square D FI36080 - 80 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FI36080, a reliable 3-pole plug-in molded case circuit breaker designed to safeguard your electrical distribution with precision. Delivering dependable branch circuit overcurrent and short-circuit protection, this unit is built to integrate seamlessly into panelboards and load centers, keeping your systems up and running with confidence.

• 80 A, 600 V, 3-pole — ideal for three-phase circuits and demanding load conditions, providing robust protection where it matters most.
• Plug-in molded case design — fast, tool-free connection that simplifies installation and makes replacements quick, minimizing downtime during service or upgrades.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by sensing both overloads and short circuits, reducing nuisance trips while responding promptly to faults.
• OEM-compatible — designed to work with matching Square D OEM load centers and panelboards, ensuring proper fit, coordinated trip characteristics, and reliable performance.
• Versatile application — suitable for residential, commercial, and light industrial environments, from small service panels to more complex distribution setups.

Why this FI36080 stands out

Unlike generic breakers, the FI36080 is purpose-built to pair with Square D’s load centers, delivering harmonized trip curves and assured electrical coordination. The plug-in format minimizes commissioning time and simplifies future maintenance or panel upgrades. With a rugged molded-case construction, it stands up to everyday electrical demands in busy facilities while delivering predictable protection when fault conditions arise.

Practical use cases

• Upgrading aging panelboards in commercial spaces to enhance protection and reliability.
• Installing or expanding three-phase systems in light industrial environments where quick swap-out capability matters.
• Performing service replacements during planned maintenance to reduce downtime and keep critical loads protected.
• Replacing or refurbishing circuits in residential or small-business installations that require solid overcurrent and short-circuit protection at 600 V.

Specifications at a glance

• Square D
• FI36080
• Thermal-magnetic molded case circuit breaker
• 80 A
• 600 V
• 3
• Plug-in
• Branch circuit overcurrent and short-circuit protection

For professionals seeking dependable, plug-in protection that aligns with Square D panelboards and load centers, the FI36080 delivers clarity of protection, straightforward installation, and lasting performance across a range of residential, commercial, and light industrial projects.