Square D PHF3616001680 1600A 3P 600V Circuit Breaker | AmpState

Square D PHF3616001680 is a rugged, three-pole circuit breaker designed for panelboards, load centers, and electrical distribution systems. With a 1600 A rating and a 600 V specification, it delivers reliable protection for demanding commercial and industrial applications.

This unit is built with retrofit and maintenance in mind, offering part-number continuity that simplifies stocking, ordering, and service planning. When your project requires a consistent part number to minimize downtime, the PHF3616001680 from Square D is a dependable choice.

• Three-pole configuration supports three-phase systems, providing balanced protection for multi-wire feeders.
• High-capacity amperage rated at 1600 A to safeguard large distribution circuits and critical equipment.
• 600 V rating suitable for typical commercial and industrial electrical networks requiring robust voltage protection.
• Direct compatibility with Square D panelboards and the PHF family, helping ensure a precise, proven fit in existing installations.
• Availability from AmpState with support to verify part-number accuracy and fit for your specific panel and wiring configuration.

Ideal use cases

• Retrofit projects where keeping the exact part number minimizes modification work and ensures consistent protection paths.
• Maintenance planning for facilities with asset-management programs that rely on standardized components.
• Protection of large feeders in warehouses, manufacturing spaces, and other environments where reliability matters.

Why choose this model — The PHF3616001680 offers a combination of capacity, compatibility, and part-number stability that helps reduce operational risk during upgrades and routine maintenance. If you’re unsure whether this is the right fit, AmpState provides guidance to confirm compatibility based on your system’s voltage, pole count, and wiring layout. Reach out and we’ll help verify the match.