Square D FCP34030 30A 3P 480V Circuit Breaker, Bolt-On | AmpState

The Square D FCP34030 is a bolt-on circuit breaker engineered for dependable protection in 480V, three‑phase systems. With a 30 A rating and a 3‑pole configuration, this unit is designed to safeguard panelboards, load centers, and electrical distribution networks where precise, side-by-side protection matters.

• Bolt-on mounting offers straightforward, secure installation in compatible enclosures, reducing retrofit downtime.
• Three-pole design supports three‑phase circuits, enabling reliable protection across 480V distribution layouts.
• 30 A rating provides targeted protection for feeder and branch circuits without unnecessary interruptions.
• 480V operation aligns with industrial and commercial electrical systems commonly found in manufacturing, facilities, and adjacent infrastructure.
• Genuine Square D part (FCP34030) ensures compatibility with established panels and maintenance practices.
• AmpState availability means straightforward sourcing and access to support for fitment and ordering.

This breaker shines in retrofit and maintenance scenarios where keeping the exact part number is critical for compatibility and uptime. It helps you modernize or refurbish existing installations without sacrificing consistency with your current panelboard inventory.

Why professionals choose it — exact fit in legacy systems, streamlined replacement in three‑phase 480V panels, and predictable performance when panelboard compatibility matters. It counts as a practical, long-term solution for protecting critical feeders in industrial and commercial environments.

Practical use cases include retrofit work where panelboard models require the same part number for fast replacement, maintenance planning to minimize downtime, and upgrades to 480V three‑phase distribution where reliability and compatibility are non‑negotiable.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. Available from AmpState.