Square D FI36030 - 30 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FI36030 — a tangible upgrade for reliable electrical protection. This 30 A, 600 V, 3-pole plug-in molded case circuit breaker is designed to shield branch circuits inside panelboards and load centers, delivering dependable overcurrent and short-circuit protection when and where you need it.

Why this FI36030 stands out

• Fast plug-in connection for quick installation and painless replacement, minimizing downtime during upgrades or maintenance.
• Thermal-magnetic trip unit combines precise thermal overload sensing with instantaneous magnetic trip for short circuits, delivering stable, repeatable protection performance under varying load conditions.
• 3-pole design optimized for three-phase panelboards and load centers, common in commercial and light industrial applications.
• 600 V rating expands compatibility with higher voltage circuits while maintaining reliable protection characteristics.
• OEM panel compatibility engineered to integrate seamlessly with matching Square D load centers and panelboards, ensuring consistent fit and coordination with other protection devices.
• Molded case construction provides rugged durability and predictable trip behavior across the life of the breaker.

Ideal use cases

• New installations in commercial and light industrial spaces needing robust three-phase protection
• Retrofits or replacements in existing Square D panelboards and load centers to restore original protection characteristics
• Subpanel circuits where a compact, plug-in solution minimizes installation labor and panel downtime

Specifications at a glance

• Manufacturer: Square D
• Part Number: FI36030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

What it means for you

Choosing the Square D FI36030 means selecting a proven, plug-in solution that reduces installation time without compromising safety. It’s particularly well-suited for environments where three-phase distribution and higher insulation voltage are common—think service entrances, commercial offices, light manufacturing, and retrofit projects. By aligning with matching OEM panelboards, this breaker ensures consistent trip performance and predictable coordination with other protection devices, giving you peace of mind across installations and replacements.

Available from AmpState, the FI36030 brings a reliable, plug-in protection option to your electrical infrastructure—helping you safeguard people, equipment, and productivity with confidence.